src/switch_core

Bug Summary

File:	src/switch_core_media.c
Location:	line 3906, column 6
Description:	Value stored to 'te' is never read

Annotated Source Code

1	/*
2	* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
3	* Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
4	*
5	* Version: MPL 1.1
6	*
7	* The contents of this file are subject to the Mozilla Public License Version
8	* 1.1 (the "License"); you may not use this file except in compliance with
9	* the License. You may obtain a copy of the License at
10	* http://www.mozilla.org/MPL/
11	*
12	* Software distributed under the License is distributed on an "AS IS" basis,
13	* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14	* for the specific language governing rights and limitations under the
15	* License.
16	*
17	* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
18	*
19	* The Initial Developer of the Original Code is
20	* Anthony Minessale II <anthm@freeswitch.org>
21	* Portions created by the Initial Developer are Copyright (C)
22	* the Initial Developer. All Rights Reserved.
23	*
24	* Contributor(s):
25	*
26	* Anthony Minessale II <anthm@freeswitch.org>
27	*
28	* switch_core_media.c -- Core Media
29	*
30	*/
31
32	#include <switch.h>
33	#include <switch_ssl.h>
34	#include <switch_stun.h>
35	#include <switch_nat.h>
36	#include "private/switch_core_pvt.h"
37	#include <switch_curl.h>
38	#include <errno(*__errno_location ()).h>
39	#include <sofia-sip/sdp.h>
40	#include <sofia-sip/su.h>
41
42	static switch_t38_options_t * switch_core_media_process_udptl(switch_core_session_t session, sdp_session_t sdp, sdp_media_t *m);
43	static void switch_core_media_find_zrtp_hash(switch_core_session_t session, sdp_session_t sdp);
44	static void switch_core_media_set_r_sdp_codec_string(switch_core_session_t session, const char codec_string, sdp_session_t *sdp, switch_sdp_type_t sdp_type);
45
46	//#define GOOGLE_ICE
47	#define RTCP_MUX
48	#define MAX_CODEC_CHECK_FRAMES50 50//x:mod_sofia.h
49	#define MAX_MISMATCH_FRAMES5 5//x:mod_sofia.h
50	#define type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio" type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio"
51
52	typedef enum {
53	SMF_INIT = (1 << 0),
54	SMF_READY = (1 << 1),
55	SMF_JB_PAUSED = (1 << 2)
56	} smh_flag_t;
57
58
59	typedef struct secure_settings_s {
60	int crypto_tag;
61	unsigned char local_raw_key[SWITCH_RTP_MAX_CRYPTO_LEN64];
62	unsigned char remote_raw_key[SWITCH_RTP_MAX_CRYPTO_LEN64];
63	switch_rtp_crypto_key_type_t crypto_type;
64	char *local_crypto_key;
65	char *remote_crypto_key;
66	} switch_secure_settings_t;
67
68
69
70	struct media_helper {
71	switch_core_session_t *session;
72	switch_thread_cond_t *cond;
73	switch_mutex_t *cond_mutex;
74	int up;
75	};
76
77	typedef enum {
78	CRYPTO_MODE_OPTIONAL,
79	CRYPTO_MODE_MANDATORY,
80	CRYPTO_MODE_FORBIDDEN
81	} switch_rtp_crypto_mode_t;
82
83	typedef struct switch_rtp_engine_s {
84	switch_secure_settings_t ssec[CRYPTO_INVALID+1];
85	switch_rtp_crypto_key_type_t crypto_type;
86
87	switch_media_type_t type;
88
89	switch_rtp_t *rtp_session;
90	switch_frame_t read_frame;
91	switch_codec_t read_codec;
92	switch_codec_t write_codec;
93
94	switch_codec_implementation_t read_impl;
95	switch_codec_implementation_t write_impl;
96
97	switch_size_t last_ts;
98	switch_size_t last_seq;
99	uint32_t check_frames;
100	uint32_t mismatch_count;
101	uint32_t last_codec_ms;
102	uint8_t codec_reinvites;
103	uint32_t max_missed_packets;
104	uint32_t max_missed_hold_packets;
105	uint32_t ssrc;
106	uint32_t remote_ssrc;
107	switch_port_t remote_rtcp_port;
108	switch_rtp_bug_flag_t rtp_bugs;
109
110
111	char *local_sdp_ip;
112	switch_port_t local_sdp_port;
113	char *adv_sdp_ip;
114	switch_port_t adv_sdp_port;
115	char *proxy_sdp_ip;
116	switch_port_t proxy_sdp_port;
117
118
119	/ ZRTP /
120	char *local_sdp_zrtp_hash;
121	char *remote_sdp_zrtp_hash;
122
123	payload_map_t *cur_payload_map;
124	payload_map_t *payload_map;
125	payload_map_t *pmap_tail;
126
127	uint32_t timestamp_send;
128
129	char *cand_acl[SWITCH_MAX_CAND_ACL25];
130	int cand_acl_count;
131
132	ice_t ice_in;
133	ice_t ice_out;
134
135	int8_t rtcp_mux;
136
137	dtls_fingerprint_t local_dtls_fingerprint;
138	dtls_fingerprint_t remote_dtls_fingerprint;
139
140	char *remote_rtp_ice_addr;
141	switch_port_t remote_rtp_ice_port;
142
143	char *remote_rtcp_ice_addr;
144	switch_port_t remote_rtcp_ice_port;
145
146	struct media_helper mh;
147	switch_thread_t *media_thread;
148	switch_mutex_t *read_mutex[2];
149
150	uint8_t reset_codec;
151	uint8_t codec_negotiated;
152
153	uint8_t fir;
154	uint8_t pli;
155	uint8_t no_crypto;
156	} switch_rtp_engine_t;
157
158
159	struct switch_media_handle_s {
160	switch_core_session_t *session;
161	switch_channel_t *channel;
162	switch_core_media_flag_t media_flags[SCMF_MAX];
163	smh_flag_t flags;
164	switch_rtp_engine_t engines[SWITCH_MEDIA_TYPE_TOTAL2];
165
166	char *codec_order[SWITCH_MAX_CODECS50];
167	int codec_order_last;
168	const switch_codec_implementation_t *codecs[SWITCH_MAX_CODECS50];
169
170	int payload_space;
171	char *origin;
172
173	switch_mutex_t *mutex;
174	switch_mutex_t *sdp_mutex;
175
176	const switch_codec_implementation_t *negotiated_codecs[SWITCH_MAX_CODECS50];
177	int num_negotiated_codecs;
178	switch_payload_t ianacodes[SWITCH_MAX_CODECS50];
179	char *fmtps[SWITCH_MAX_CODECS50];
180	int video_count;
181
182	uint32_t owner_id;
183	uint32_t session_id;
184
185	switch_core_media_params_t *mparams;
186
187	char *msid;
188	char *cname;
189
190	switch_rtp_crypto_mode_t crypto_mode;
191	switch_rtp_crypto_key_type_t crypto_suite_order[CRYPTO_INVALID+1];
192	};
193
194
195	static switch_srtp_crypto_suite_t SUITES[CRYPTO_INVALID] = {
196	{ "AEAD_AES_256_GCM_8", AEAD_AES_256_GCM_8, 44},
197	{ "AEAD_AES_128_GCM_8", AEAD_AES_128_GCM_8, 28},
198	{ "AES_CM_256_HMAC_SHA1_80", AES_CM_256_HMAC_SHA1_80, 46},
199	{ "AES_CM_192_HMAC_SHA1_80", AES_CM_192_HMAC_SHA1_80, 38},
200	{ "AES_CM_128_HMAC_SHA1_80", AES_CM_128_HMAC_SHA1_80, 30},
201	{ "AES_CM_256_HMAC_SHA1_32", AES_CM_256_HMAC_SHA1_32, 46},
202	{ "AES_CM_192_HMAC_SHA1_32", AES_CM_192_HMAC_SHA1_32, 38},
203	{ "AES_CM_128_HMAC_SHA1_32", AES_CM_128_HMAC_SHA1_32, 30},
204	{ "AES_CM_128_NULL_AUTH", AES_CM_128_NULL_AUTH, 30}
205	};
206
207	SWITCH_DECLARE(switch_rtp_crypto_key_type_t)__attribute__((visibility("default"))) switch_rtp_crypto_key_type_t switch_core_media_crypto_str2type(const char *str)
208	{
209	int i;
210
211	for (i = 0; i < CRYPTO_INVALID; i++) {
212	if (!strncasecmp(str, SUITES[i].name, strlen(SUITES[i].name))) {
213	return SUITES[i].type;
214	}
215	}
216
217	return CRYPTO_INVALID;
218	}
219
220
221	SWITCH_DECLARE(const char )__attribute__((visibility("default"))) const char switch_core_media_crypto_type2str(switch_rtp_crypto_key_type_t type)
222	{
223	switch_assert(type < CRYPTO_INVALID)((type < CRYPTO_INVALID) ? (void) (0) : __assert_fail ("type < CRYPTO_INVALID" , "src/switch_core_media.c", 223, __PRETTY_FUNCTION__));
224	return SUITES[type].name;
225	}
226
227
228	SWITCH_DECLARE(int)__attribute__((visibility("default"))) int switch_core_media_crypto_keylen(switch_rtp_crypto_key_type_t type)
229	{
230	switch_assert(type < CRYPTO_INVALID)((type < CRYPTO_INVALID) ? (void) (0) : __assert_fail ("type < CRYPTO_INVALID" , "src/switch_core_media.c", 230, __PRETTY_FUNCTION__));
231	return SUITES[type].keylen;
232	}
233
234
235	static int get_channels(const char *name, int dft)
236	{
237
238	if (!zstr(name)_zstr(name) && !switch_true(switch_core_get_variable("NDLB_broken_opus_sdp")) && !strcasecmp(name, "opus")) {
239	return 2; /* IKR???*/
240	}
241
242	return dft ? dft : 1;
243	}
244
245	static void _switch_core_media_pass_zrtp_hash2(switch_core_session_t aleg_session, switch_core_session_t bleg_session, switch_media_type_t type)
246	{
247	switch_rtp_engine_t *aleg_engine;
248	switch_rtp_engine_t *bleg_engine;
249
250	if (!aleg_session->media_handle \|\| !bleg_session->media_handle) return;
251	aleg_engine = &aleg_session->media_handle->engines[type];
252	bleg_engine = &bleg_session->media_handle->engines[type];
253
254
255
256	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(aleg_session->channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 256, (const char)switch_channel_get_session(aleg_session ->channel), SWITCH_LOG_DEBUG1,
257	"Deciding whether to pass zrtp-hash between a-leg and b-leg\n");
258
259	if (!(switch_channel_test_flag(aleg_session->channel, CF_ZRTP_PASSTHRU_REQ))) {
260	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(aleg_session->channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 260, (const char)switch_channel_get_session(aleg_session ->channel), SWITCH_LOG_DEBUG1,
261	"CF_ZRTP_PASSTHRU_REQ not set on a-leg, so not propagating zrtp-hash\n");
262	return;
263	}
264
265	if (aleg_engine->remote_sdp_zrtp_hash) {
266	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(aleg_session->channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 266, (const char)switch_channel_get_session(aleg_session ->channel), SWITCH_LOG_DEBUG, "Passing a-leg remote zrtp-hash (audio) to b-leg\n");
267	bleg_engine->local_sdp_zrtp_hash = switch_core_session_strdup(bleg_session, aleg_engine->remote_sdp_zrtp_hash)switch_core_perform_session_strdup(bleg_session, aleg_engine-> remote_sdp_zrtp_hash, "src/switch_core_media.c", (const char * )__func__, 267);
268	switch_channel_set_variable(bleg_session->channel, "l_sdp_audio_zrtp_hash", bleg_engine->local_sdp_zrtp_hash)switch_channel_set_variable_var_check(bleg_session->channel , "l_sdp_audio_zrtp_hash", bleg_engine->local_sdp_zrtp_hash , SWITCH_TRUE);
269	}
270
271	if (bleg_engine->remote_sdp_zrtp_hash) {
272	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(aleg_session->channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 272, (const char)switch_channel_get_session(aleg_session ->channel), SWITCH_LOG_DEBUG, "Passing b-leg remote zrtp-hash (audio) to a-leg\n");
273	aleg_engine->local_sdp_zrtp_hash = switch_core_session_strdup(aleg_session, bleg_engine->remote_sdp_zrtp_hash)switch_core_perform_session_strdup(aleg_session, bleg_engine-> remote_sdp_zrtp_hash, "src/switch_core_media.c", (const char * )__func__, 273);
274	switch_channel_set_variable(aleg_session->channel, "l_sdp_audio_zrtp_hash", aleg_engine->local_sdp_zrtp_hash)switch_channel_set_variable_var_check(aleg_session->channel , "l_sdp_audio_zrtp_hash", aleg_engine->local_sdp_zrtp_hash , SWITCH_TRUE);
275	}
276	}
277
278	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_pass_zrtp_hash2(switch_core_session_t aleg_session, switch_core_session_t bleg_session)
279	{
280	_switch_core_media_pass_zrtp_hash2(aleg_session, bleg_session, SWITCH_MEDIA_TYPE_AUDIO);
281	_switch_core_media_pass_zrtp_hash2(aleg_session, bleg_session, SWITCH_MEDIA_TYPE_VIDEO);
282	}
283
284
285	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_pass_zrtp_hash(switch_core_session_t *session)
286	{
287	switch_channel_t *channel = switch_core_session_get_channel(session);
288
289	switch_core_session_t *other_session;
290	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 290, (const char)switch_channel_get_session(channel ), SWITCH_LOG_DEBUG1, "Deciding whether to pass zrtp-hash between legs\n");
291	if (!(switch_channel_test_flag(channel, CF_ZRTP_PASSTHRU_REQ))) {
292	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 292, (const char)switch_channel_get_session(channel ), SWITCH_LOG_DEBUG1, "CF_ZRTP_PASSTHRU_REQ not set, so not propagating zrtp-hash\n");
293	return;
294	} else if (!(switch_core_session_get_partner(session, &other_session)switch_core_session_perform_get_partner(session, &other_session , "src/switch_core_media.c", (const char *)__func__, 294) == SWITCH_STATUS_SUCCESS)) {
295	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 295, (const char)switch_channel_get_session(channel ), SWITCH_LOG_DEBUG1, "No partner channel found, so not propagating zrtp-hash\n");
296	return;
297	} else {
298	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 298, (const char)switch_channel_get_session(channel ), SWITCH_LOG_DEBUG1, "Found peer channel; propagating zrtp-hash if set\n");
299	switch_core_media_pass_zrtp_hash2(session, other_session);
300	switch_core_session_rwunlock(other_session);
301	}
302	}
303
304	SWITCH_DECLARE(const char )__attribute__((visibility("default"))) const char switch_core_media_get_zrtp_hash(switch_core_session_t *session, switch_media_type_t type, switch_bool_t local)
305	{
306	switch_rtp_engine_t *engine;
307	if (!session->media_handle) return NULL((void*)0);
308
309	engine = &session->media_handle->engines[type];
310
311	if (local) {
312	return engine->local_sdp_zrtp_hash;
313	}
314
315
316	return engine->remote_sdp_zrtp_hash;
317
318	}
319
320	static void switch_core_media_find_zrtp_hash(switch_core_session_t session, sdp_session_t sdp)
321	{
322	switch_channel_t *channel = switch_core_session_get_channel(session);
323	switch_rtp_engine_t *audio_engine;
324	switch_rtp_engine_t *video_engine;
325	sdp_media_t *m;
326	sdp_attribute_t *attr;
327	int got_audio = 0, got_video = 0;
328
329	if (!session->media_handle) return;
330
331	audio_engine = &session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO];
332	video_engine = &session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO];
333
334
335	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 335, (const char)switch_channel_get_session(channel ), SWITCH_LOG_DEBUG1, "Looking for zrtp-hash\n");
336	for (m = sdp->sdp_media; m; m = m->m_next) {
337	if (got_audio && got_video) break;
338	if (m->m_port && ((m->m_type == sdp_media_audio && !got_audio)
339	\|\| (m->m_type == sdp_media_video && !got_video))) {
340	for (attr = m->m_attributes; attr; attr = attr->a_next) {
341	if (zstr(attr->a_name)_zstr(attr->a_name)) continue;
342	if (strcasecmp(attr->a_name, "zrtp-hash") \|\| !(attr->a_value)) continue;
343	if (m->m_type == sdp_media_audio) {
344	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 344, (const char)switch_channel_get_session(channel ), SWITCH_LOG_DEBUG,
345	"Found audio zrtp-hash; setting r_sdp_audio_zrtp_hash=%s\n", attr->a_value);
346	switch_channel_set_variable(channel, "r_sdp_audio_zrtp_hash", attr->a_value)switch_channel_set_variable_var_check(channel, "r_sdp_audio_zrtp_hash" , attr->a_value, SWITCH_TRUE);
347	audio_engine->remote_sdp_zrtp_hash = switch_core_session_strdup(session, attr->a_value)switch_core_perform_session_strdup(session, attr->a_value, "src/switch_core_media.c", (const char *)__func__, 347);
348	got_audio++;
349	} else if (m->m_type == sdp_media_video) {
350	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 350, (const char)switch_channel_get_session(channel ), SWITCH_LOG_DEBUG,
351	"Found video zrtp-hash; setting r_sdp_video_zrtp_hash=%s\n", attr->a_value);
352	switch_channel_set_variable(channel, "r_sdp_video_zrtp_hash", attr->a_value)switch_channel_set_variable_var_check(channel, "r_sdp_video_zrtp_hash" , attr->a_value, SWITCH_TRUE);
353	video_engine->remote_sdp_zrtp_hash = switch_core_session_strdup(session, attr->a_value)switch_core_perform_session_strdup(session, attr->a_value, "src/switch_core_media.c", (const char *)__func__, 353);
354	got_video++;
355	}
356	switch_channel_set_flag(channel, CF_ZRTP_HASH)switch_channel_set_flag_value(channel, CF_ZRTP_HASH, 1);
357	break;
358	}
359	}
360	}
361	}
362
363
364	static switch_t38_options_t * switch_core_media_process_udptl(switch_core_session_t session, sdp_session_t sdp, sdp_media_t *m)
365	{
366	switch_t38_options_t *t38_options = switch_channel_get_private(session->channel, "t38_options");
367	sdp_attribute_t *attr;
368
369	if (!t38_options) {
370	t38_options = switch_core_session_alloc(session, sizeof(switch_t38_options_t))switch_core_perform_session_alloc(session, sizeof(switch_t38_options_t ), "src/switch_core_media.c", (const char *)__func__, 370);
371
372	// set some default value
373	t38_options->T38FaxVersion = 0;
374	t38_options->T38MaxBitRate = 14400;
375	t38_options->T38FaxRateManagement = switch_core_session_strdup(session, "transferredTCF")switch_core_perform_session_strdup(session, "transferredTCF", "src/switch_core_media.c", (const char *)__func__, 375);
376	t38_options->T38FaxUdpEC = switch_core_session_strdup(session, "t38UDPRedundancy")switch_core_perform_session_strdup(session, "t38UDPRedundancy" , "src/switch_core_media.c", (const char *)__func__, 376);
377	t38_options->T38FaxMaxBuffer = 500;
378	t38_options->T38FaxMaxDatagram = 500;
379	}
380
381	t38_options->remote_port = (switch_port_t)m->m_port;
382
383	if (sdp->sdp_origin) {
384	t38_options->sdp_o_line = switch_core_session_strdup(session, sdp->sdp_origin->o_username)switch_core_perform_session_strdup(session, sdp->sdp_origin ->o_username, "src/switch_core_media.c", (const char *)__func__ , 384);
385	} else {
386	t38_options->sdp_o_line = "unknown";
387	}
388
389	if (m->m_connections && m->m_connections->c_address) {
390	t38_options->remote_ip = switch_core_session_strdup(session, m->m_connections->c_address)switch_core_perform_session_strdup(session, m->m_connections ->c_address, "src/switch_core_media.c", (const char *)__func__ , 390);
391	} else if (sdp && sdp->sdp_connection && sdp->sdp_connection->c_address) {
392	t38_options->remote_ip = switch_core_session_strdup(session, sdp->sdp_connection->c_address)switch_core_perform_session_strdup(session, sdp->sdp_connection ->c_address, "src/switch_core_media.c", (const char *)__func__ , 392);
393	}
394
395	for (attr = m->m_attributes; attr; attr = attr->a_next) {
396	if (!strcasecmp(attr->a_name, "T38FaxVersion") && attr->a_value) {
397	t38_options->T38FaxVersion = (uint16_t) atoi(attr->a_value);
398	} else if (!strcasecmp(attr->a_name, "T38MaxBitRate") && attr->a_value) {
399	t38_options->T38MaxBitRate = (uint32_t) atoi(attr->a_value);
400	} else if (!strcasecmp(attr->a_name, "T38FaxFillBitRemoval")) {
401	t38_options->T38FaxFillBitRemoval = switch_safe_atoi(attr->a_value, 1);
402	} else if (!strcasecmp(attr->a_name, "T38FaxTranscodingMMR")) {
403	t38_options->T38FaxTranscodingMMR = switch_safe_atoi(attr->a_value, 1);
404	} else if (!strcasecmp(attr->a_name, "T38FaxTranscodingJBIG")) {
405	t38_options->T38FaxTranscodingJBIG = switch_safe_atoi(attr->a_value, 1);
406	} else if (!strcasecmp(attr->a_name, "T38FaxRateManagement") && attr->a_value) {
407	t38_options->T38FaxRateManagement = switch_core_session_strdup(session, attr->a_value)switch_core_perform_session_strdup(session, attr->a_value, "src/switch_core_media.c", (const char *)__func__, 407);
408	} else if (!strcasecmp(attr->a_name, "T38FaxMaxBuffer") && attr->a_value) {
409	t38_options->T38FaxMaxBuffer = (uint32_t) atoi(attr->a_value);
410	} else if (!strcasecmp(attr->a_name, "T38FaxMaxDatagram") && attr->a_value) {
411	t38_options->T38FaxMaxDatagram = (uint32_t) atoi(attr->a_value);
412	} else if (!strcasecmp(attr->a_name, "T38FaxUdpEC") && attr->a_value) {
413	t38_options->T38FaxUdpEC = switch_core_session_strdup(session, attr->a_value)switch_core_perform_session_strdup(session, attr->a_value, "src/switch_core_media.c", (const char *)__func__, 413);
414	} else if (!strcasecmp(attr->a_name, "T38VendorInfo") && attr->a_value) {
415	t38_options->T38VendorInfo = switch_core_session_strdup(session, attr->a_value)switch_core_perform_session_strdup(session, attr->a_value, "src/switch_core_media.c", (const char *)__func__, 415);
416	}
417	}
418
419	switch_channel_set_variable(session->channel, "has_t38", "true")switch_channel_set_variable_var_check(session->channel, "has_t38" , "true", SWITCH_TRUE);
420	switch_channel_set_private(session->channel, "t38_options", t38_options);
421	switch_channel_set_app_flag_key("T38", session->channel, CF_APP_T38);
422
423	switch_channel_execute_on(session->channel, "sip_execute_on_image");
424	switch_channel_api_on(session->channel, "sip_api_on_image");
425
426	return t38_options;
427	}
428
429
430
431
432
433	SWITCH_DECLARE(switch_t38_options_t )__attribute__((visibility("default"))) switch_t38_options_t switch_core_media_extract_t38_options(switch_core_session_t session, const char r_sdp)
434	{
435	sdp_media_t *m;
436	sdp_parser_t parser = NULL((void)0);
437	sdp_session_t *sdp;
438	switch_t38_options_t t38_options = NULL((void)0);
439
440	if (!(parser = sdp_parse(NULL((void*)0), r_sdp, (int) strlen(r_sdp), 0))) {
441	return NULL((void*)0);
442	}
443
444	if (!(sdp = sdp_session(parser))) {
445	sdp_parser_free(parser);
446	return NULL((void*)0);
447	}
448
449	for (m = sdp->sdp_media; m; m = m->m_next) {
450	if (m->m_proto == sdp_proto_udptl && m->m_type == sdp_media_image && m->m_port) {
451	t38_options = switch_core_media_process_udptl(session, sdp, m);
452	break;
453	}
454	}
455
456	sdp_parser_free(parser);
457
458	return t38_options;
459
460	}
461
462
463
464	//?
465	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_process_t38_passthru(switch_core_session_t *session,
466	switch_core_session_t other_session, switch_t38_options_t t38_options)
467	{
468	char *remote_host;
469	switch_port_t remote_port;
470	char tmp[32] = "";
471	switch_rtp_engine_t *a_engine;
472	switch_media_handle_t *smh;
473
474	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 474, __PRETTY_FUNCTION__));
475
476	if (!(smh = session->media_handle)) {
477	return SWITCH_STATUS_FALSE;
478	}
479
480	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
481
482	remote_host = switch_rtp_get_remote_host(a_engine->rtp_session);
483	remote_port = switch_rtp_get_remote_port(a_engine->rtp_session);
484
485	a_engine->cur_payload_map->remote_sdp_ip = switch_core_session_strdup(session, t38_options->remote_ip)switch_core_perform_session_strdup(session, t38_options->remote_ip , "src/switch_core_media.c", (const char *)__func__, 485);
486	a_engine->cur_payload_map->remote_sdp_port = t38_options->remote_port;
487
488	if (remote_host && remote_port && !strcmp(remote_host, a_engine->cur_payload_map->remote_sdp_ip)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (remote_host) && __builtin_constant_p (a_engine-> cur_payload_map->remote_sdp_ip) && (__s1_len = __builtin_strlen (remote_host), __s2_len = __builtin_strlen (a_engine->cur_payload_map ->remote_sdp_ip), (!((size_t)(const void )((remote_host) + 1) - (size_t)(const void )(remote_host) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((a_engine->cur_payload_map ->remote_sdp_ip) + 1) - (size_t)(const void )(a_engine-> cur_payload_map->remote_sdp_ip) == 1) \|\| __s2_len >= 4) ) ? __builtin_strcmp (remote_host, a_engine->cur_payload_map ->remote_sdp_ip) : (__builtin_constant_p (remote_host) && ((size_t)(const void )((remote_host) + 1) - (size_t)(const void )(remote_host) == 1) && (__s1_len = __builtin_strlen (remote_host), __s1_len < 4) ? (__builtin_constant_p (a_engine ->cur_payload_map->remote_sdp_ip) && ((size_t)( const void )((a_engine->cur_payload_map->remote_sdp_ip ) + 1) - (size_t)(const void )(a_engine->cur_payload_map-> remote_sdp_ip) == 1) ? __builtin_strcmp (remote_host, a_engine ->cur_payload_map->remote_sdp_ip) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip); int __result = (((const unsigned char ) (const char ) (remote_host))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (remote_host))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (remote_host))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (remote_host))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (a_engine ->cur_payload_map->remote_sdp_ip) && ((size_t)( const void )((a_engine->cur_payload_map->remote_sdp_ip ) + 1) - (size_t)(const void )(a_engine->cur_payload_map-> remote_sdp_ip) == 1) && (__s2_len = __builtin_strlen ( a_engine->cur_payload_map->remote_sdp_ip), __s2_len < 4) ? (__builtin_constant_p (remote_host) && ((size_t )(const void )((remote_host) + 1) - (size_t)(const void )(remote_host ) == 1) ? __builtin_strcmp (remote_host, a_engine->cur_payload_map ->remote_sdp_ip) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (remote_host) ; int __result = (((const unsigned char ) (const char ) (a_engine ->cur_payload_map->remote_sdp_ip))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip ))[1] - __s2[1]); if (__s2_len > 1 && __result == 0 ) { __result = (((const unsigned char ) (const char ) (a_engine ->cur_payload_map->remote_sdp_ip))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip ))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (remote_host , a_engine->cur_payload_map->remote_sdp_ip)))); }) &&
489	remote_port == a_engine->cur_payload_map->remote_sdp_port) {
490	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 490, (const char)(session), SWITCH_LOG_DEBUG,
491	"Audio params are unchanged for %s.\n",
492	switch_channel_get_name(session->channel));
493	} else {
494	const char err = NULL((void)0);
495
496	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 496, (const char)(session), SWITCH_LOG_DEBUG,
497	"Audio params changed for %s from %s:%d to %s:%d\n",
498	switch_channel_get_name(session->channel),
499	remote_host, remote_port, a_engine->cur_payload_map->remote_sdp_ip, a_engine->cur_payload_map->remote_sdp_port);
500
501	switch_snprintf(tmp, sizeof(tmp), "%d", a_engine->cur_payload_map->remote_sdp_port);
502	switch_channel_set_variable(session->channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE, a_engine->cur_payload_map->remote_sdp_ip)switch_channel_set_variable_var_check(session->channel, "remote_media_ip" , a_engine->cur_payload_map->remote_sdp_ip, SWITCH_TRUE );
503	switch_channel_set_variable(session->channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE, tmp)switch_channel_set_variable_var_check(session->channel, "remote_media_port" , tmp, SWITCH_TRUE);
504	if (switch_rtp_set_remote_address(a_engine->rtp_session, a_engine->cur_payload_map->remote_sdp_ip,
505	a_engine->cur_payload_map->remote_sdp_port, 0, SWITCH_TRUE, &err) != SWITCH_STATUS_SUCCESS) {
506	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 506, (const char)(session), SWITCH_LOG_ERROR, "AUDIO RTP REPORTS ERROR: [%s]\n", err);
507	switch_channel_hangup(session->channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION)switch_channel_perform_hangup(session->channel, "src/switch_core_media.c" , (const char *)__func__, 507, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION );
508	}
509	}
510
511	switch_core_media_copy_t38_options(t38_options, other_session);
512
513	return SWITCH_STATUS_SUCCESS;
514
515	}
516
517	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_session_get_payload_code(switch_core_session_t *session,
518	switch_media_type_t type,
519	const char *iananame,
520	uint32_t rate,
521	switch_payload_t *ptP,
522	switch_payload_t *recv_ptP,
523	char **fmtpP)
524	{
525	payload_map_t *pmap;
526	switch_media_handle_t *smh;
527	switch_rtp_engine_t *engine;
528	switch_payload_t pt = 0, recv_pt = 0;
529	int found = 0;
530	char fmtp = NULL((void)0);
531
532	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 532, __PRETTY_FUNCTION__));
533
534	if (!(smh = session->media_handle)) {
535	return SWITCH_STATUS_FALSE;
536	}
537
538	engine = &smh->engines[type];
539
540	switch_mutex_lock(smh->sdp_mutex);
541	for (pmap = engine->payload_map; pmap ; pmap = pmap->next) {
542
543	if (!pmap->allocated) continue;
544
545	if (!strcasecmp(pmap->iananame, iananame) && (!rate \|\| (rate == pmap->rate))) {
546	pt = pmap->pt;
547	recv_pt = pmap->recv_pt;
548	fmtp = pmap->rm_fmtp;
549	found++;
550	break;
551	}
552	}
553	switch_mutex_unlock(smh->sdp_mutex);
554
555	if (found) {
556	if (ptP) {
557	*ptP = pt;
558	}
559	if (recv_ptP) {
560	*recv_ptP = recv_pt;
561	}
562
563	if (!zstr(fmtp)_zstr(fmtp) && fmtpP) {
564	*fmtpP = fmtp;
565	}
566
567	return SWITCH_STATUS_SUCCESS;
568	}
569
570	return SWITCH_STATUS_FALSE;
571
572	}
573
574
575	SWITCH_DECLARE(payload_map_t )__attribute__((visibility("default"))) payload_map_t switch_core_media_add_payload_map(switch_core_session_t *session,
576	switch_media_type_t type,
577	const char *name,
578	const char *fmtp,
579	switch_sdp_type_t sdp_type,
580	uint32_t pt,
581	uint32_t rate,
582	uint32_t ptime,
583	uint32_t channels,
584	uint8_t negotiated)
585	{
586	payload_map_t *pmap;
587	int exists = 0;
588	switch_media_handle_t *smh;
589	switch_rtp_engine_t *engine;
590	int local_pt = 0;
591
592	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 592, __PRETTY_FUNCTION__));
593
594	if (!(smh = session->media_handle)) {
595	return NULL((void*)0);
596	}
597
598	engine = &smh->engines[type];
599
600	switch_mutex_lock(smh->sdp_mutex);
601
602
603	for (pmap = engine->payload_map; pmap && pmap->allocated; pmap = pmap->next) {
604	exists = (!strcasecmp(name, pmap->iananame) && (!pmap->rate \|\| rate == pmap->rate) && (!pmap->ptime \|\| pmap->ptime == ptime));
605
606	if (exists) {
607
608	if (!zstr(fmtp)_zstr(fmtp) && !zstr(pmap->rm_fmtp)_zstr(pmap->rm_fmtp)) {
609	if (strcmp(pmap->rm_fmtp, fmtp)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (pmap->rm_fmtp) && __builtin_constant_p (fmtp) && (__s1_len = __builtin_strlen (pmap->rm_fmtp), __s2_len = __builtin_strlen (fmtp), (!((size_t)(const void )((pmap->rm_fmtp) + 1) - ( size_t)(const void )(pmap->rm_fmtp) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((fmtp) + 1) - (size_t )(const void )(fmtp) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (pmap->rm_fmtp, fmtp) : (__builtin_constant_p (pmap->rm_fmtp ) && ((size_t)(const void )((pmap->rm_fmtp) + 1) - (size_t)(const void )(pmap->rm_fmtp) == 1) && (__s1_len = __builtin_strlen (pmap->rm_fmtp), __s1_len < 4) ? (__builtin_constant_p (fmtp) && ((size_t)(const void )((fmtp) + 1) - (size_t )(const void )(fmtp) == 1) ? __builtin_strcmp (pmap->rm_fmtp , fmtp) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (fmtp); int __result = (((const unsigned char ) (const char ) (pmap->rm_fmtp))[0] - __s2 [0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (pmap->rm_fmtp ))[1] - __s2[1]); if (__s1_len > 1 && __result == 0 ) { __result = (((const unsigned char ) (const char ) (pmap ->rm_fmtp))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (pmap ->rm_fmtp))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (fmtp) && ((size_t)(const void )((fmtp) + 1) - (size_t )(const void )(fmtp) == 1) && (__s2_len = __builtin_strlen (fmtp), __s2_len < 4) ? (__builtin_constant_p (pmap->rm_fmtp ) && ((size_t)(const void )((pmap->rm_fmtp) + 1) - (size_t)(const void )(pmap->rm_fmtp) == 1) ? __builtin_strcmp (pmap->rm_fmtp, fmtp) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (pmap-> rm_fmtp); int __result = (((const unsigned char ) (const char ) (fmtp))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ( fmtp))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ( fmtp))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (fmtp ))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (pmap ->rm_fmtp, fmtp)))); })) {
610	exists = 0;
611	local_pt = pmap->pt;
612	continue;
613	}
614	}
615
616	break;
617	}
618	}
619
620
621	if (!exists) {
622	switch_ssize_t hlen = -1;
623
624	if (engine->payload_map && !engine->payload_map->allocated) {
625	pmap = engine->payload_map;
626	} else {
627	pmap = switch_core_alloc(session->pool, sizeof(pmap))switch_core_perform_alloc(session->pool, sizeof(pmap), "src/switch_core_media.c" , (const char *)__func__, 627);
628	}
629
630	pmap->type = type;
631	pmap->iananame = switch_core_strdup(session->pool, name)switch_core_perform_strdup(session->pool, name, "src/switch_core_media.c" , (const char *)__func__, 631);
632	pmap->rm_encoding = pmap->iananame;
633	pmap->hash = switch_ci_hashfunc_default(pmap->iananame, &hlen);
634	pmap->channels = 1;
635	}
636
637	pmap->sdp_type = sdp_type;
638
639	if (ptime) {
640	pmap->ptime = ptime;
641	}
642
643	if (rate) {
644	pmap->rate = rate;
645	}
646
647	if (channels) {
648	pmap->channels = channels;
649	}
650
651	if (!zstr(fmtp)_zstr(fmtp) && (zstr(pmap->rm_fmtp)_zstr(pmap->rm_fmtp) \|\| strcmp(pmap->rm_fmtp, fmtp)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (pmap->rm_fmtp) && __builtin_constant_p (fmtp) && (__s1_len = __builtin_strlen (pmap->rm_fmtp), __s2_len = __builtin_strlen (fmtp), (!((size_t)(const void )((pmap->rm_fmtp) + 1) - ( size_t)(const void )(pmap->rm_fmtp) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((fmtp) + 1) - (size_t )(const void )(fmtp) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (pmap->rm_fmtp, fmtp) : (__builtin_constant_p (pmap->rm_fmtp ) && ((size_t)(const void )((pmap->rm_fmtp) + 1) - (size_t)(const void )(pmap->rm_fmtp) == 1) && (__s1_len = __builtin_strlen (pmap->rm_fmtp), __s1_len < 4) ? (__builtin_constant_p (fmtp) && ((size_t)(const void )((fmtp) + 1) - (size_t )(const void )(fmtp) == 1) ? __builtin_strcmp (pmap->rm_fmtp , fmtp) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (fmtp); int __result = (((const unsigned char ) (const char ) (pmap->rm_fmtp))[0] - __s2 [0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (pmap->rm_fmtp ))[1] - __s2[1]); if (__s1_len > 1 && __result == 0 ) { __result = (((const unsigned char ) (const char ) (pmap ->rm_fmtp))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (pmap ->rm_fmtp))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (fmtp) && ((size_t)(const void )((fmtp) + 1) - (size_t )(const void )(fmtp) == 1) && (__s2_len = __builtin_strlen (fmtp), __s2_len < 4) ? (__builtin_constant_p (pmap->rm_fmtp ) && ((size_t)(const void )((pmap->rm_fmtp) + 1) - (size_t)(const void )(pmap->rm_fmtp) == 1) ? __builtin_strcmp (pmap->rm_fmtp, fmtp) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (pmap-> rm_fmtp); int __result = (((const unsigned char ) (const char ) (fmtp))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ( fmtp))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ( fmtp))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (fmtp ))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (pmap ->rm_fmtp, fmtp)))); }))) {
652	pmap->rm_fmtp = switch_core_strdup(session->pool, fmtp)switch_core_perform_strdup(session->pool, fmtp, "src/switch_core_media.c" , (const char *)__func__, 652);
653	}
654
655	pmap->allocated = 1;
656
657
658	pmap->recv_pt = (switch_payload_t) pt;
659
660
661	if (sdp_type == SDP_TYPE_REQUEST \|\| !exists) {
662	pmap->pt = (switch_payload_t) (local_pt ? local_pt : pt);
663	}
664
665	if (negotiated) {
666	pmap->negotiated = negotiated;
667	}
668
669	if (!exists) {
670	if (pmap == engine->payload_map) {
671	engine->pmap_tail = pmap;
672	} else if (!engine->payload_map) {
673	engine->payload_map = engine->pmap_tail = pmap;
674	} else {
675	engine->pmap_tail->next = pmap;
676	engine->pmap_tail = engine->pmap_tail->next;
677	}
678	}
679
680	switch_mutex_unlock(smh->sdp_mutex);
681
682	return pmap;
683	}
684
685
686
687
688	SWITCH_DECLARE(const char )__attribute__((visibility("default"))) const char switch_core_media_get_codec_string(switch_core_session_t *session)
689	{
690	const char preferred = NULL((void)0), fallback = NULL((void)0);
691	switch_media_handle_t *smh;
692
693	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 693, __PRETTY_FUNCTION__));
694
695	if (!(smh = session->media_handle)) {
696	preferred = "PCMU";
697	fallback = "PCMU";
698	} else {
699
700	if (!(preferred = switch_channel_get_variable(session->channel, "absolute_codec_string")switch_channel_get_variable_dup(session->channel, "absolute_codec_string" , SWITCH_TRUE, -1))) {
701	preferred = switch_channel_get_variable(session->channel, "codec_string")switch_channel_get_variable_dup(session->channel, "codec_string" , SWITCH_TRUE, -1);
702	}
703
704	if (!preferred) {
705	if (switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
706	preferred = smh->mparams->outbound_codec_string;
707	fallback = smh->mparams->inbound_codec_string;
708
709	} else {
710	preferred = smh->mparams->inbound_codec_string;
711	fallback = smh->mparams->outbound_codec_string;
712	}
713	}
714	}
715
716	return !zstr(preferred)_zstr(preferred) ? preferred : fallback;
717	}
718
719	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_session_clear_crypto(switch_core_session_t *session)
720	{
721	int i;
722	switch_media_handle_t *smh;
723
724	const char *vars[] = { "rtp_last_audio_local_crypto_key",
725	"srtp_remote_audio_crypto_key",
726	"srtp_remote_audio_crypto_tag",
727	"srtp_remote_audio_crypto_type",
728	"srtp_remote_video_crypto_key",
729	"srtp_remote_video_crypto_tag",
730	"srtp_remote_video_crypto_type",
731	"rtp_secure_media",
732	"rtp_secure_media_inbound",
733	"rtp_secure_media_outbound",
734	NULL((void*)0)};
735
736	for(i = 0; vars[i] ;i++) {
737	switch_channel_set_variable(session->channel, vars[i], NULL)switch_channel_set_variable_var_check(session->channel, vars [i], ((void*)0), SWITCH_TRUE);
738	}
739
740	if (!(smh = session->media_handle)) {
741	return;
742	}
743	for (i = 0; i < CRYPTO_INVALID; i++) {
744	memset(&smh->engines[SWITCH_MEDIA_TYPE_AUDIO].ssec[i], 0, sizeof(smh->engines[SWITCH_MEDIA_TYPE_AUDIO].ssec[i]));
745	memset(&smh->engines[SWITCH_MEDIA_TYPE_VIDEO].ssec[i], 0, sizeof(smh->engines[SWITCH_MEDIA_TYPE_VIDEO].ssec[i]));
746	}
747
748	}
749
750	SWITCH_DECLARE(const char )__attribute__((visibility("default"))) const char switch_core_session_local_crypto_key(switch_core_session_t *session, switch_media_type_t type)
751	{
752	if (!session->media_handle) {
753	return NULL((void*)0);
754	}
755
756	return session->media_handle->engines[type].ssec[session->media_handle->engines[type].crypto_type].local_crypto_key;
757	}
758
759
760
761	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_parse_rtp_bugs(switch_rtp_bug_flag_t flag_pole, const char str)
762	{
763
764	if (switch_stristr("clear", str)) {
765	*flag_pole = 0;
766	}
767
768	if (switch_stristr("CISCO_SKIP_MARK_BIT_2833", str)) {
769	*flag_pole \|= RTP_BUG_CISCO_SKIP_MARK_BIT_2833;
770	}
771
772	if (switch_stristr("~CISCO_SKIP_MARK_BIT_2833", str)) {
773	*flag_pole &= ~RTP_BUG_CISCO_SKIP_MARK_BIT_2833;
774	}
775
776	if (switch_stristr("SONUS_SEND_INVALID_TIMESTAMP_2833", str)) {
777	*flag_pole \|= RTP_BUG_SONUS_SEND_INVALID_TIMESTAMP_2833;
778	}
779
780	if (switch_stristr("~SONUS_SEND_INVALID_TIMESTAMP_2833", str)) {
781	*flag_pole &= ~RTP_BUG_SONUS_SEND_INVALID_TIMESTAMP_2833;
782	}
783
784	if (switch_stristr("IGNORE_MARK_BIT", str)) {
785	*flag_pole \|= RTP_BUG_IGNORE_MARK_BIT;
786	}
787
788	if (switch_stristr("~IGNORE_MARK_BIT", str)) {
789	*flag_pole &= ~RTP_BUG_IGNORE_MARK_BIT;
790	}
791
792	if (switch_stristr("SEND_LINEAR_TIMESTAMPS", str)) {
793	*flag_pole \|= RTP_BUG_SEND_LINEAR_TIMESTAMPS;
794	}
795
796	if (switch_stristr("~SEND_LINEAR_TIMESTAMPS", str)) {
797	*flag_pole &= ~RTP_BUG_SEND_LINEAR_TIMESTAMPS;
798	}
799
800	if (switch_stristr("START_SEQ_AT_ZERO", str)) {
801	*flag_pole \|= RTP_BUG_START_SEQ_AT_ZERO;
802	}
803
804	if (switch_stristr("~START_SEQ_AT_ZERO", str)) {
805	*flag_pole &= ~RTP_BUG_START_SEQ_AT_ZERO;
806	}
807
808	if (switch_stristr("NEVER_SEND_MARKER", str)) {
809	*flag_pole \|= RTP_BUG_NEVER_SEND_MARKER;
810	}
811
812	if (switch_stristr("~NEVER_SEND_MARKER", str)) {
813	*flag_pole &= ~RTP_BUG_NEVER_SEND_MARKER;
814	}
815
816	if (switch_stristr("IGNORE_DTMF_DURATION", str)) {
817	*flag_pole \|= RTP_BUG_IGNORE_DTMF_DURATION;
818	}
819
820	if (switch_stristr("~IGNORE_DTMF_DURATION", str)) {
821	*flag_pole &= ~RTP_BUG_IGNORE_DTMF_DURATION;
822	}
823
824	if (switch_stristr("ACCEPT_ANY_PACKETS", str)) {
825	*flag_pole \|= RTP_BUG_ACCEPT_ANY_PACKETS;
826	}
827
828	if (switch_stristr("~ACCEPT_ANY_PACKETS", str)) {
829	*flag_pole &= ~RTP_BUG_ACCEPT_ANY_PACKETS;
830	}
831
832	if (switch_stristr("ACCEPT_ANY_PAYLOAD", str)) {
833	*flag_pole \|= RTP_BUG_ACCEPT_ANY_PAYLOAD;
834	}
835
836	if (switch_stristr("~ACCEPT_ANY_PAYLOAD", str)) {
837	*flag_pole &= ~RTP_BUG_ACCEPT_ANY_PAYLOAD;
838	}
839
840	if (switch_stristr("GEN_ONE_GEN_ALL", str)) {
841	*flag_pole \|= RTP_BUG_GEN_ONE_GEN_ALL;
842	}
843
844	if (switch_stristr("~GEN_ONE_GEN_ALL", str)) {
845	*flag_pole &= ~RTP_BUG_GEN_ONE_GEN_ALL;
846	}
847
848	if (switch_stristr("CHANGE_SSRC_ON_MARKER", str)) {
849	*flag_pole \|= RTP_BUG_CHANGE_SSRC_ON_MARKER;
850	}
851
852	if (switch_stristr("~CHANGE_SSRC_ON_MARKER", str)) {
853	*flag_pole &= ~RTP_BUG_CHANGE_SSRC_ON_MARKER;
854	}
855
856	if (switch_stristr("FLUSH_JB_ON_DTMF", str)) {
857	*flag_pole \|= RTP_BUG_FLUSH_JB_ON_DTMF;
858	}
859
860	if (switch_stristr("~FLUSH_JB_ON_DTMF", str)) {
861	*flag_pole &= ~RTP_BUG_FLUSH_JB_ON_DTMF;
862	}
863
864	if (switch_stristr("ALWAYS_AUTO_ADJUST", str)) {
865	*flag_pole \|= (RTP_BUG_ALWAYS_AUTO_ADJUST \| RTP_BUG_ACCEPT_ANY_PACKETS);
866	}
867
868	if (switch_stristr("~ALWAYS_AUTO_ADJUST", str)) {
869	*flag_pole &= ~(RTP_BUG_ALWAYS_AUTO_ADJUST \| RTP_BUG_ACCEPT_ANY_PACKETS);
870	}
871	}
872
873
874	static switch_status_t switch_core_media_build_crypto(switch_media_handle_t *smh,
875	switch_media_type_t type,
876	int index, switch_rtp_crypto_key_type_t ctype, switch_rtp_crypto_direction_t direction, int force)
877	{
878	unsigned char b64_key[512] = "";
879	unsigned char *key;
880	const char *val;
881	switch_channel_t *channel;
882	char *p;
883	switch_rtp_engine_t *engine;
884
885	switch_assert(smh)((smh) ? (void) (0) : __assert_fail ("smh", "src/switch_core_media.c" , 885, __PRETTY_FUNCTION__));
886	channel = switch_core_session_get_channel(smh->session);
887
888	engine = &smh->engines[type];
889
890	if (!force && engine->ssec[ctype].local_raw_key[0]) {
891	return SWITCH_STATUS_SUCCESS;
892	}
893
894
895
896	//#define SAME_KEY
897	#ifdef SAME_KEY
898	if (switch_channel_test_flag(channel, CF_WEBRTC) && type == SWITCH_MEDIA_TYPE_VIDEO) {
899	if (direction == SWITCH_RTP_CRYPTO_SEND) {
900	memcpy(engine->ssec[ctype].local_raw_key, smh->engines[SWITCH_MEDIA_TYPE_AUDIO].ssec.local_raw_key, SUITES[ctype].keylen);
901	key = engine->ssec[ctype].local_raw_key;
902	} else {
903	memcpy(engine->ssec[ctype].remote_raw_key, smh->engines[SWITCH_MEDIA_TYPE_AUDIO].ssec.remote_raw_key, SUITES[ctype].keylen);
904	key = engine->ssec[ctype].remote_raw_key;
905	}
906	} else {
907	#endif
908	if (direction == SWITCH_RTP_CRYPTO_SEND) {
909	key = engine->ssec[ctype].local_raw_key;
910	} else {
911	key = engine->ssec[ctype].remote_raw_key;
912	}
913
914	switch_rtp_get_random(key, SUITES[ctype].keylen);
915	#ifdef SAME_KEY
916	}
917	#endif
918
919	switch_b64_encode(key, SUITES[ctype].keylen, b64_key, sizeof(b64_key));
920	p = strrchr((char *) b64_key, '=');
921
922	while (p && p && p == '=') {
923	*p-- = '\0';
924	}
925
926	if (!index) index = ctype + 1;
927
928	engine->ssec[ctype].local_crypto_key = switch_core_session_sprintf(smh->session, "%d %s inline:%s", index, SUITES[ctype].name, b64_key);
929	switch_channel_set_variable_name_printf(smh->session->channel, engine->ssec[ctype].local_crypto_key, "rtp_last_%s_local_crypto_key", type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio");
930	switch_channel_set_flag(smh->session->channel, CF_SECURE)switch_channel_set_flag_value(smh->session->channel, CF_SECURE , 1);
931
932	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 932, (const char)(smh->session), SWITCH_LOG_DEBUG, "Set Local %s crypto Key [%s]\n",
933	type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio",
934	engine->ssec[ctype].local_crypto_key);
935
936	if (!(smh->mparams->ndlb & SM_NDLB_DISABLE_SRTP_AUTH) &&
937	!((val = switch_channel_get_variable(channel, "NDLB_support_asterisk_missing_srtp_auth")switch_channel_get_variable_dup(channel, "NDLB_support_asterisk_missing_srtp_auth" , SWITCH_TRUE, -1)) && switch_true(val))) {
938	engine->ssec[ctype].crypto_type = ctype;
939	} else {
940	engine->ssec[ctype].crypto_type = AES_CM_128_NULL_AUTH;
941	}
942
943	return SWITCH_STATUS_SUCCESS;
944	}
945
946
947
948
949
950	switch_status_t switch_core_media_add_crypto(switch_secure_settings_t ssec, const char key_str, switch_rtp_crypto_direction_t direction)
951	{
952	unsigned char key[SWITCH_RTP_MAX_CRYPTO_LEN64];
953	switch_rtp_crypto_key_type_t type;
954	char *p;
955
956
957	p = strchr(key_str, ' ')(__extension__ (__builtin_constant_p (' ') && !__builtin_constant_p (key_str) && (' ') == '\0' ? (char *) __rawmemchr (key_str , ' ') : __builtin_strchr (key_str, ' ')));
958
959	if (p && p && (p + 1)) {
960	p++;
961
962	type = switch_core_media_crypto_str2type(p);
963
964	if (type == CRYPTO_INVALID) {
965	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 965, ((void)0), SWITCH_LOG_ERROR, "Parse Error near [%s]\n", p);
966	goto bad;
967	}
968
969	p = strchr(p, ' ')(__extension__ (__builtin_constant_p (' ') && !__builtin_constant_p (p) && (' ') == '\0' ? (char *) __rawmemchr (p, ' ') : __builtin_strchr (p, ' ')));
970	if (p && p && (p + 1)) {
971	p++;
972	if (strncasecmp(p, "inline:", 7)) {
973	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 973, ((void)0), SWITCH_LOG_ERROR, "Parse Error near [%s]\n", p);
974	goto bad;
975	}
976
977	p += 7;
978	switch_b64_decode(p, (char *) key, sizeof(key));
979
980	if (direction == SWITCH_RTP_CRYPTO_SEND) {
981	memcpy(ssec->local_raw_key, key, SUITES[type].keylen);
982	} else {
983	memcpy(ssec->remote_raw_key, key, SUITES[type].keylen);
984	}
985	return SWITCH_STATUS_SUCCESS;
986	}
987
988	}
989
990	bad:
991
992	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 992, ((void)0), SWITCH_LOG_ERROR, "Error!\n");
993	return SWITCH_STATUS_FALSE;
994
995	}
996
997	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_set_rtp_session(switch_core_session_t session, switch_media_type_t type, switch_rtp_t rtp_session)
998	{
999	switch_rtp_engine_t *engine;
1000	if (!session->media_handle) return;
1001	engine = &session->media_handle->engines[type];
1002	engine->rtp_session = rtp_session;
1003	engine->type = type;
1004	}
1005
1006
1007	static void switch_core_session_get_recovery_crypto_key(switch_core_session_t *session, switch_media_type_t type)
1008	{
1009	const char *tmp;
1010	switch_rtp_engine_t *engine;
1011	char keyvar, tagvar, *ctypevar;
1012
1013	if (!session->media_handle) return;
1014	engine = &session->media_handle->engines[type];
1015
1016	if (type == SWITCH_MEDIA_TYPE_AUDIO) {
1017	keyvar = "srtp_remote_audio_crypto_key";
1018	tagvar = "srtp_remote_audio_crypto_tag";
1019	ctypevar = "srtp_remote_audio_crypto_type";
1020	} else {
1021	keyvar = "srtp_remote_video_crypto_key";
1022	tagvar = "srtp_remote_video_crypto_tag";
1023	ctypevar = "srtp_remote_video_crypto_type";
1024	}
1025
1026	if ((tmp = switch_channel_get_variable(session->channel, keyvar)switch_channel_get_variable_dup(session->channel, keyvar, SWITCH_TRUE , -1))) {
1027	if ((tmp = switch_channel_get_variable(session->channel, ctypevar)switch_channel_get_variable_dup(session->channel, ctypevar , SWITCH_TRUE, -1))) {
1028	engine->crypto_type = switch_core_media_crypto_str2type(tmp);
1029	}
1030
1031	engine->ssec[engine->crypto_type].remote_crypto_key = switch_core_session_strdup(session, tmp)switch_core_perform_session_strdup(session, tmp, "src/switch_core_media.c" , (const char *)__func__, 1031);
1032
1033	if ((tmp = switch_channel_get_variable(session->channel, tagvar)switch_channel_get_variable_dup(session->channel, tagvar, SWITCH_TRUE , -1))) {
1034	int tv = atoi(tmp);
1035	engine->ssec[engine->crypto_type].crypto_tag = tv;
1036	} else {
1037	engine->ssec[engine->crypto_type].crypto_tag = 1;
1038	}
1039
1040	switch_channel_set_flag(session->channel, CF_SECURE)switch_channel_set_flag_value(session->channel, CF_SECURE, 1);
1041	}
1042	}
1043
1044
1045	static void switch_core_session_apply_crypto(switch_core_session_t *session, switch_media_type_t type)
1046	{
1047	switch_rtp_engine_t *engine;
1048	const char *varname;
1049
1050	if (type == SWITCH_MEDIA_TYPE_AUDIO) {
1051	varname = "rtp_secure_audio_confirmed";
1052	} else {
1053	varname = "rtp_secure_video_confirmed";
1054	}
1055
1056	if (!session->media_handle) return;
1057
1058	engine = &session->media_handle->engines[type];
1059
1060	if (switch_channel_test_flag(session->channel, CF_RECOVERING)) {
1061	return;
1062	}
1063
1064	if (engine->ssec[engine->crypto_type].remote_crypto_key && switch_channel_test_flag(session->channel, CF_SECURE)) {
1065	switch_core_media_add_crypto(&engine->ssec[engine->crypto_type], engine->ssec[engine->crypto_type].remote_crypto_key, SWITCH_RTP_CRYPTO_RECV);
1066
1067
1068	switch_rtp_add_crypto_key(engine->rtp_session, SWITCH_RTP_CRYPTO_SEND, 1,
1069	engine->ssec[engine->crypto_type].crypto_type,
1070	engine->ssec[engine->crypto_type].local_raw_key,
1071	SUITES[engine->ssec[engine->crypto_type].crypto_type].keylen);
1072
1073	switch_rtp_add_crypto_key(engine->rtp_session, SWITCH_RTP_CRYPTO_RECV,
1074	engine->ssec[engine->crypto_type].crypto_tag,
1075	engine->ssec[engine->crypto_type].crypto_type,
1076	engine->ssec[engine->crypto_type].remote_raw_key,
1077	SUITES[engine->ssec[engine->crypto_type].crypto_type].keylen);
1078
1079	switch_channel_set_variable(session->channel, varname, "true")switch_channel_set_variable_var_check(session->channel, varname , "true", SWITCH_TRUE);
1080
1081
1082	switch_channel_set_variable(session->channel, "rtp_secure_media_negotiated", SUITES[engine->crypto_type].name)switch_channel_set_variable_var_check(session->channel, "rtp_secure_media_negotiated" , SUITES[engine->crypto_type].name, SWITCH_TRUE);
1083
1084	}
1085
1086	}
1087
1088	static void switch_core_session_parse_crypto_prefs(switch_core_session_t *session)
1089	{
1090	const char var = NULL((void)0);
1091	const char val = NULL((void)0);
1092	char suites = NULL((void)0);
1093	switch_media_handle_t *smh;
1094	char *fields[CRYPTO_INVALID+1];
1095	int argc = 0, i = 0, j = 0, k = 0;
1096
1097	if (!(smh = session->media_handle)) {
1098	return;
1099	}
1100
1101	if (switch_channel_test_flag(session->channel, CF_WEBRTC)) {
1102	return;
1103	}
1104
1105	if (switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_INBOUND) {
1106	var = "rtp_secure_media_inbound";
1107	} else {
1108	var = "rtp_secure_media_outbound";
1109	}
1110
1111	if (!(val = switch_channel_get_variable(session->channel, var)switch_channel_get_variable_dup(session->channel, var, SWITCH_TRUE , -1))) {
1112	var = "rtp_secure_media";
1113	val = switch_channel_get_variable(session->channel, var)switch_channel_get_variable_dup(session->channel, var, SWITCH_TRUE , -1);
1114	}
1115
1116	if (!zstr(val)_zstr(val) && (suites = strchr(val, ':')(__extension__ (__builtin_constant_p (':') && !__builtin_constant_p (val) && (':') == '\0' ? (char *) __rawmemchr (val, ':' ) : __builtin_strchr (val, ':'))))) {
1117	*suites++ = '\0';
1118	}
1119
1120	if (zstr(suites)_zstr(suites)) {
1121	suites = (char *) switch_channel_get_variable(session->channel, "rtp_secure_media_suites")switch_channel_get_variable_dup(session->channel, "rtp_secure_media_suites" , SWITCH_TRUE, -1);
1122	}
1123
1124	if (zstr(val)_zstr(val)) {
1125	if (switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_INBOUND && !switch_channel_test_flag(session->channel, CF_RECOVERING)) {
1126	val = "optional";
1127	} else {
1128	val = "forbidden";
1129	}
1130	}
1131
1132	if (!strcasecmp(val, "optional")) {
1133	smh->crypto_mode = CRYPTO_MODE_OPTIONAL;
1134	} else if (switch_true(val) \|\| !strcasecmp(val, "mandatory")) {
1135	smh->crypto_mode = CRYPTO_MODE_MANDATORY;
1136	} else {
1137	smh->crypto_mode = CRYPTO_MODE_FORBIDDEN;
1138	if (!switch_false(val) && strcasecmp(val, "forbidden")) {
1139	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1139, (const char)(session), SWITCH_LOG_WARNING, "INVALID VALUE FOR %s defaulting to 'forbidden'\n", var);
1140	}
1141	}
1142
1143	if (smh->crypto_mode != CRYPTO_MODE_FORBIDDEN && !zstr(suites)_zstr(suites)) {
1144	argc = switch_split((char )suites, ':', fields)switch_separate_string((char )suites, ':', fields, (sizeof(fields ) / sizeof(fields[0])));
1145
1146	for (i = 0; i < argc; i++) {
1147	int ok = 0;
1148
1149	for (j = 0; j < CRYPTO_INVALID; j++) {
1150	if (!strcasecmp(fields[i], SUITES[j].name)) {
1151	smh->crypto_suite_order[k++] = SUITES[j].type;
1152	ok++;
1153	break;
1154	}
1155	}
1156
1157	if (!ok) {
1158	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1158, (const char)(session), SWITCH_LOG_WARNING, "INVALID SUITE SUPPLIED\n");
1159	}
1160
1161	}
1162	} else {
1163	for (i = 0; i < CRYPTO_INVALID; i++) {
1164	smh->crypto_suite_order[k++] = SUITES[i].type;
1165	}
1166	}
1167	}
1168
1169
1170
1171	SWITCH_DECLARE(int)__attribute__((visibility("default"))) int switch_core_session_check_incoming_crypto(switch_core_session_t *session,
1172	const char *varname,
1173	switch_media_type_t type, const char *crypto, int crypto_tag, switch_sdp_type_t sdp_type)
1174	{
1175	int got_crypto = 0;
1176	int i = 0;
1177	int ctype = 0;
1178	const char vval = NULL((void)0);
1179	switch_rtp_engine_t *engine;
1180	switch_media_handle_t *smh;
1181
1182	if (!(smh = session->media_handle)) {
1183	return 0;
1184	}
1185
1186	if (smh->crypto_mode == CRYPTO_MODE_FORBIDDEN) {
1187	return -1;
1188	}
1189
1190	engine = &session->media_handle->engines[type];
1191
1192	for (i = 0; smh->crypto_suite_order[i] != CRYPTO_INVALID; i++) {
1193	switch_rtp_crypto_key_type_t j = SUITES[smh->crypto_suite_order[i]].type;
1194
1195	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1195, (const char)(session), SWITCH_LOG_DEBUG,"looking for crypto suite [%s] in [%s]\n", SUITES[j].name, crypto);
1196
1197	if (switch_stristr(SUITES[j].name, crypto)) {
1198	ctype = SUITES[j].type;
1199	vval = SUITES[j].name;
1200	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1200, (const char)(session), SWITCH_LOG_DEBUG, "Found suite %s\n", vval);
1201	switch_channel_set_variable(session->channel, "rtp_secure_media_negotiated", vval)switch_channel_set_variable_var_check(session->channel, "rtp_secure_media_negotiated" , vval, SWITCH_TRUE);
1202	break;
1203	}
1204	}
1205
1206	if (engine->ssec[engine->crypto_type].remote_crypto_key && switch_rtp_ready(engine->rtp_session)) {
1207	/* Compare all the key. The tag may remain the same even if key changed */
1208	if (crypto && engine->crypto_type != CRYPTO_INVALID && !strcmp(crypto, engine->ssec[engine->crypto_type].remote_crypto_key)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (crypto) && __builtin_constant_p (engine->ssec[engine ->crypto_type].remote_crypto_key) && (__s1_len = __builtin_strlen (crypto), __s2_len = __builtin_strlen (engine->ssec[engine ->crypto_type].remote_crypto_key), (!((size_t)(const void * )((crypto) + 1) - (size_t)(const void )(crypto) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((engine->ssec [engine->crypto_type].remote_crypto_key) + 1) - (size_t)(const void )(engine->ssec[engine->crypto_type].remote_crypto_key ) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (crypto, engine ->ssec[engine->crypto_type].remote_crypto_key) : (__builtin_constant_p (crypto) && ((size_t)(const void )((crypto) + 1) - ( size_t)(const void )(crypto) == 1) && (__s1_len = __builtin_strlen (crypto), __s1_len < 4) ? (__builtin_constant_p (engine-> ssec[engine->crypto_type].remote_crypto_key) && (( size_t)(const void )((engine->ssec[engine->crypto_type ].remote_crypto_key) + 1) - (size_t)(const void )(engine-> ssec[engine->crypto_type].remote_crypto_key) == 1) ? __builtin_strcmp (crypto, engine->ssec[engine->crypto_type].remote_crypto_key ) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (engine->ssec[engine->crypto_type ].remote_crypto_key); int __result = (((const unsigned char * ) (const char ) (crypto))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (crypto))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (crypto))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (crypto))[3] - __s2[3]); } } __result; })) ) : (__builtin_constant_p (engine->ssec[engine->crypto_type ].remote_crypto_key) && ((size_t)(const void )((engine ->ssec[engine->crypto_type].remote_crypto_key) + 1) - ( size_t)(const void )(engine->ssec[engine->crypto_type] .remote_crypto_key) == 1) && (__s2_len = __builtin_strlen (engine->ssec[engine->crypto_type].remote_crypto_key), __s2_len < 4) ? (__builtin_constant_p (crypto) && ((size_t)(const void )((crypto) + 1) - (size_t)(const void * )(crypto) == 1) ? __builtin_strcmp (crypto, engine->ssec[engine ->crypto_type].remote_crypto_key) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (crypto); int __result = (((const unsigned char ) (const char ) (engine->ssec[engine->crypto_type].remote_crypto_key ))[0] - __s2[0]); if (__s2_len > 0 && __result == 0 ) { __result = (((const unsigned char ) (const char ) (engine ->ssec[engine->crypto_type].remote_crypto_key))[1] - __s2 [1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (engine->ssec[ engine->crypto_type].remote_crypto_key))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char *) (engine->ssec[engine-> crypto_type].remote_crypto_key))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (crypto, engine->ssec[engine-> crypto_type].remote_crypto_key)))); })) {
1209	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1209, (const char)(session), SWITCH_LOG_DEBUG, "Existing key is still valid.\n");
1210	got_crypto = 1;
1211	} else {
1212	const char *a = switch_stristr("AE", engine->ssec[engine->crypto_type].remote_crypto_key);
1213	const char *b = switch_stristr("AE", crypto);
1214
1215	if (sdp_type == SDP_TYPE_REQUEST) {
1216	if (!vval) {
1217	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1217, (const char)(session), SWITCH_LOG_DEBUG, "Unsupported Crypto [%s]\n", crypto);
1218	goto end;
1219	}
1220	switch_channel_set_variable(session->channel, varname, vval)switch_channel_set_variable_var_check(session->channel, varname , vval, SWITCH_TRUE);
1221
1222	switch_core_media_build_crypto(session->media_handle, type, crypto_tag, ctype, SWITCH_RTP_CRYPTO_SEND, 1);
1223	switch_rtp_add_crypto_key(engine->rtp_session, SWITCH_RTP_CRYPTO_SEND, atoi(crypto), engine->ssec[engine->crypto_type].crypto_type,
1224	engine->ssec[engine->crypto_type].local_raw_key, SUITES[ctype].keylen);
1225	}
1226
1227	if (a && b && !strncasecmp(a, b, 23)) {
1228	engine->crypto_type = ctype;
1229
1230	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1230, (const char)(session), SWITCH_LOG_DEBUG, "Change Remote key to [%s]\n", crypto);
1231	engine->ssec[engine->crypto_type].remote_crypto_key = switch_core_session_strdup(session, crypto)switch_core_perform_session_strdup(session, crypto, "src/switch_core_media.c" , (const char *)__func__, 1231);
1232
1233	if (engine->type == SWITCH_MEDIA_TYPE_AUDIO) {
1234	switch_channel_set_variable(session->channel, "srtp_remote_audio_crypto_key", crypto)switch_channel_set_variable_var_check(session->channel, "srtp_remote_audio_crypto_key" , crypto, SWITCH_TRUE);
1235	switch_channel_set_variable_printf(session->channel, "srtp_remote_audio_crypto_tag", "%d", crypto_tag);
1236	switch_channel_set_variable_printf(session->channel, "srtp_remote_audio_crypto_type", "%s", switch_core_media_crypto_type2str(ctype));
1237	} else if (engine->type == SWITCH_MEDIA_TYPE_VIDEO) {
1238	switch_channel_set_variable(session->channel, "srtp_remote_video_crypto_key", crypto)switch_channel_set_variable_var_check(session->channel, "srtp_remote_video_crypto_key" , crypto, SWITCH_TRUE);
1239	switch_channel_set_variable_printf(session->channel, "srtp_remote_video_crypto_tag", "%d", crypto_tag);
1240	switch_channel_set_variable_printf(session->channel, "srtp_remote_video_crypto_type", "%s", switch_core_media_crypto_type2str(ctype));
1241	}
1242
1243	engine->ssec[engine->crypto_type].crypto_tag = crypto_tag;
1244
1245
1246	if (switch_rtp_ready(engine->rtp_session) && switch_channel_test_flag(session->channel, CF_SECURE)) {
1247	switch_core_media_add_crypto(&engine->ssec[engine->crypto_type], engine->ssec[engine->crypto_type].remote_crypto_key, SWITCH_RTP_CRYPTO_RECV);
1248	switch_rtp_add_crypto_key(engine->rtp_session, SWITCH_RTP_CRYPTO_RECV, engine->ssec[engine->crypto_type].crypto_tag,
1249	engine->ssec[engine->crypto_type].crypto_type, engine->ssec[engine->crypto_type].remote_raw_key, SUITES[engine->ssec[engine->crypto_type].crypto_type].keylen);
1250	}
1251	got_crypto++;
1252
1253	} else {
1254	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1254, (const char)(session), SWITCH_LOG_DEBUG, "Ignoring unacceptable key\n");
1255	}
1256	}
1257	} else if (!switch_rtp_ready(engine->rtp_session)) {
1258
1259	if (!vval) {
1260	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1260, (const char)(session), SWITCH_LOG_DEBUG, "Unsupported Crypto [%s]\n", crypto);
1261	goto end;
1262	}
1263
1264	engine->crypto_type = ctype;
1265	engine->ssec[engine->crypto_type].remote_crypto_key = switch_core_session_strdup(session, crypto)switch_core_perform_session_strdup(session, crypto, "src/switch_core_media.c" , (const char *)__func__, 1265);
1266	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1266, (const char)(session), SWITCH_LOG_DEBUG, "Set Remote Key [%s]\n", engine->ssec[engine->crypto_type].remote_crypto_key);
1267	if (engine->type == SWITCH_MEDIA_TYPE_AUDIO) {
1268	switch_channel_set_variable(session->channel, "srtp_remote_audio_crypto_key", crypto)switch_channel_set_variable_var_check(session->channel, "srtp_remote_audio_crypto_key" , crypto, SWITCH_TRUE);
1269	switch_channel_set_variable_printf(session->channel, "srtp_remote_audio_crypto_type", "%s", switch_core_media_crypto_type2str(ctype));
1270	} else if (engine->type == SWITCH_MEDIA_TYPE_VIDEO) {
1271	switch_channel_set_variable(session->channel, "srtp_remote_video_crypto_key", crypto)switch_channel_set_variable_var_check(session->channel, "srtp_remote_video_crypto_key" , crypto, SWITCH_TRUE);
1272	switch_channel_set_variable_printf(session->channel, "srtp_remote_video_crypto_type", "%s", switch_core_media_crypto_type2str(ctype));
1273	}
1274
1275	engine->ssec[engine->crypto_type].crypto_tag = crypto_tag;
1276	got_crypto++;
1277
1278	switch_channel_set_variable(session->channel, varname, vval)switch_channel_set_variable_var_check(session->channel, varname , vval, SWITCH_TRUE);
1279	switch_channel_set_flag(smh->session->channel, CF_SECURE)switch_channel_set_flag_value(smh->session->channel, CF_SECURE , 1);
1280
1281	if (zstr(engine->ssec[engine->crypto_type].local_crypto_key)_zstr(engine->ssec[engine->crypto_type].local_crypto_key )) {
1282	switch_core_media_build_crypto(session->media_handle, type, crypto_tag, ctype, SWITCH_RTP_CRYPTO_SEND, 1);
1283	}
1284	}
1285
1286	end:
1287
1288	return got_crypto;
1289	}
1290
1291
1292	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_session_check_outgoing_crypto(switch_core_session_t *session)
1293	{
1294	switch_channel_t *channel = switch_core_session_get_channel(session);
1295	switch_media_handle_t *smh;
1296	int i;
1297
1298	if (!switch_core_session_media_handle_ready(session) == SWITCH_STATUS_SUCCESS) {
1299	return;
1300	}
1301
1302	if (!(smh = session->media_handle)) {
1303	return;
1304	}
1305
1306	if (!(smh->crypto_mode == CRYPTO_MODE_OPTIONAL \|\| smh->crypto_mode == CRYPTO_MODE_MANDATORY)) {
1307	return;
1308	}
1309
1310	switch_channel_set_flag(channel, CF_SECURE)switch_channel_set_flag_value(channel, CF_SECURE, 1);
1311
1312	for (i = 0; smh->crypto_suite_order[i] != CRYPTO_INVALID; i++) {
1313	switch_core_media_build_crypto(session->media_handle,
1314	SWITCH_MEDIA_TYPE_AUDIO, 0, smh->crypto_suite_order[i], SWITCH_RTP_CRYPTO_SEND, 0);
1315
1316	switch_core_media_build_crypto(session->media_handle,
1317	SWITCH_MEDIA_TYPE_VIDEO, 0, smh->crypto_suite_order[i], SWITCH_RTP_CRYPTO_SEND, 0);
1318	}
1319
1320	}
1321
1322	#define add_stat(_i, _s)switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), _s) ; switch_snprintf(var_val, sizeof(var_val ), "%" "ld", _i); switch_channel_set_variable_var_check(channel , var_name, var_val, SWITCH_TRUE) \
1323	switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", switch_str_nil(prefix)(prefix ? prefix : ""), _s) ; \
1324	switch_snprintf(var_val, sizeof(var_val), "%" SWITCH_SIZE_T_FMT"ld", _i); \
1325	switch_channel_set_variable(channel, var_name, var_val)switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE)
1326
1327	#define add_stat_double(_i, _s)switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), _s) ; switch_snprintf(var_val, sizeof(var_val ), "%0.2f", _i); switch_channel_set_variable_var_check(channel , var_name, var_val, SWITCH_TRUE) \
1328	switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", switch_str_nil(prefix)(prefix ? prefix : ""), _s) ; \
1329	switch_snprintf(var_val, sizeof(var_val), "%0.2f", _i); \
1330	switch_channel_set_variable(channel, var_name, var_val)switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE)
1331
1332	static void set_stats(switch_core_session_t session, switch_media_type_t type, const char prefix)
1333	{
1334	switch_rtp_stats_t stats = switch_core_media_get_stats(session, type, NULL((void)0));
1335	switch_channel_t *channel = switch_core_session_get_channel(session);
1336
1337	char var_name[256] = "", var_val[35] = "";
1338
1339	if (stats) {
1340	stats->inbound.std_deviation = sqrt(stats->inbound.variance);
1341
1342	add_stat(stats->inbound.raw_bytes, "in_raw_bytes")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_raw_bytes") ; switch_snprintf(var_val, sizeof (var_val), "%" "ld", stats->inbound.raw_bytes); switch_channel_set_variable_var_check (channel, var_name, var_val, SWITCH_TRUE);
1343	add_stat(stats->inbound.media_bytes, "in_media_bytes")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_media_bytes") ; switch_snprintf(var_val, sizeof(var_val), "%" "ld", stats->inbound.media_bytes); switch_channel_set_variable_var_check (channel, var_name, var_val, SWITCH_TRUE);
1344	add_stat(stats->inbound.packet_count, "in_packet_count")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_packet_count") ; switch_snprintf(var_val , sizeof(var_val), "%" "ld", stats->inbound.packet_count); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1345	add_stat(stats->inbound.media_packet_count, "in_media_packet_count")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_media_packet_count") ; switch_snprintf(var_val , sizeof(var_val), "%" "ld", stats->inbound.media_packet_count ); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1346	add_stat(stats->inbound.skip_packet_count, "in_skip_packet_count")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_skip_packet_count") ; switch_snprintf(var_val , sizeof(var_val), "%" "ld", stats->inbound.skip_packet_count ); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1347	add_stat(stats->inbound.jb_packet_count, "in_jitter_packet_count")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_jitter_packet_count") ; switch_snprintf( var_val, sizeof(var_val), "%" "ld", stats->inbound.jb_packet_count ); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1348	add_stat(stats->inbound.dtmf_packet_count, "in_dtmf_packet_count")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_dtmf_packet_count") ; switch_snprintf(var_val , sizeof(var_val), "%" "ld", stats->inbound.dtmf_packet_count ); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1349	add_stat(stats->inbound.cng_packet_count, "in_cng_packet_count")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_cng_packet_count") ; switch_snprintf(var_val , sizeof(var_val), "%" "ld", stats->inbound.cng_packet_count ); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1350	add_stat(stats->inbound.flush_packet_count, "in_flush_packet_count")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_flush_packet_count") ; switch_snprintf(var_val , sizeof(var_val), "%" "ld", stats->inbound.flush_packet_count ); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1351	add_stat(stats->inbound.largest_jb_size, "in_largest_jb_size")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_largest_jb_size") ; switch_snprintf(var_val , sizeof(var_val), "%" "ld", stats->inbound.largest_jb_size ); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1352	add_stat_double(stats->inbound.min_variance, "in_jitter_min_variance")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_jitter_min_variance") ; switch_snprintf( var_val, sizeof(var_val), "%0.2f", stats->inbound.min_variance ); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1353	add_stat_double(stats->inbound.max_variance, "in_jitter_max_variance")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_jitter_max_variance") ; switch_snprintf( var_val, sizeof(var_val), "%0.2f", stats->inbound.max_variance ); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1354	add_stat_double(stats->inbound.lossrate, "in_jitter_loss_rate")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_jitter_loss_rate") ; switch_snprintf(var_val , sizeof(var_val), "%0.2f", stats->inbound.lossrate); switch_channel_set_variable_var_check (channel, var_name, var_val, SWITCH_TRUE);
1355	add_stat_double(stats->inbound.burstrate, "in_jitter_burst_rate")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_jitter_burst_rate") ; switch_snprintf(var_val , sizeof(var_val), "%0.2f", stats->inbound.burstrate); switch_channel_set_variable_var_check (channel, var_name, var_val, SWITCH_TRUE);
1356	add_stat_double(stats->inbound.mean_interval, "in_mean_interval")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_mean_interval") ; switch_snprintf(var_val , sizeof(var_val), "%0.2f", stats->inbound.mean_interval); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1357	add_stat(stats->inbound.flaws, "in_flaw_total")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_flaw_total") ; switch_snprintf(var_val, sizeof (var_val), "%" "ld", stats->inbound.flaws); switch_channel_set_variable_var_check (channel, var_name, var_val, SWITCH_TRUE);
1358	add_stat_double(stats->inbound.R, "in_quality_percentage")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_quality_percentage") ; switch_snprintf(var_val , sizeof(var_val), "%0.2f", stats->inbound.R); switch_channel_set_variable_var_check (channel, var_name, var_val, SWITCH_TRUE);
1359	add_stat_double(stats->inbound.mos, "in_mos")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "in_mos") ; switch_snprintf(var_val, sizeof( var_val), "%0.2f", stats->inbound.mos); switch_channel_set_variable_var_check (channel, var_name, var_val, SWITCH_TRUE);
1360
1361
1362	add_stat(stats->outbound.raw_bytes, "out_raw_bytes")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "out_raw_bytes") ; switch_snprintf(var_val, sizeof (var_val), "%" "ld", stats->outbound.raw_bytes); switch_channel_set_variable_var_check (channel, var_name, var_val, SWITCH_TRUE);
1363	add_stat(stats->outbound.media_bytes, "out_media_bytes")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "out_media_bytes") ; switch_snprintf(var_val , sizeof(var_val), "%" "ld", stats->outbound.media_bytes); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1364	add_stat(stats->outbound.packet_count, "out_packet_count")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "out_packet_count") ; switch_snprintf(var_val , sizeof(var_val), "%" "ld", stats->outbound.packet_count) ; switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1365	add_stat(stats->outbound.media_packet_count, "out_media_packet_count")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "out_media_packet_count") ; switch_snprintf( var_val, sizeof(var_val), "%" "ld", stats->outbound.media_packet_count ); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1366	add_stat(stats->outbound.skip_packet_count, "out_skip_packet_count")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "out_skip_packet_count") ; switch_snprintf(var_val , sizeof(var_val), "%" "ld", stats->outbound.skip_packet_count ); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1367	add_stat(stats->outbound.dtmf_packet_count, "out_dtmf_packet_count")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "out_dtmf_packet_count") ; switch_snprintf(var_val , sizeof(var_val), "%" "ld", stats->outbound.dtmf_packet_count ); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1368	add_stat(stats->outbound.cng_packet_count, "out_cng_packet_count")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "out_cng_packet_count") ; switch_snprintf(var_val , sizeof(var_val), "%" "ld", stats->outbound.cng_packet_count ); switch_channel_set_variable_var_check(channel, var_name, var_val , SWITCH_TRUE);
1369
1370	add_stat(stats->rtcp.packet_count, "rtcp_packet_count")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "rtcp_packet_count") ; switch_snprintf(var_val , sizeof(var_val), "%" "ld", stats->rtcp.packet_count); switch_channel_set_variable_var_check (channel, var_name, var_val, SWITCH_TRUE);
1371	add_stat(stats->rtcp.octet_count, "rtcp_octet_count")switch_snprintf(var_name, sizeof(var_name), "rtp_%s_%s", (prefix ? prefix : ""), "rtcp_octet_count") ; switch_snprintf(var_val , sizeof(var_val), "%" "ld", stats->rtcp.octet_count); switch_channel_set_variable_var_check (channel, var_name, var_val, SWITCH_TRUE);
1372
1373	}
1374	}
1375
1376	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_set_stats(switch_core_session_t *session)
1377	{
1378
1379	if (!session->media_handle) {
1380	return;
1381	}
1382
1383	set_stats(session, SWITCH_MEDIA_TYPE_AUDIO, "audio");
1384	set_stats(session, SWITCH_MEDIA_TYPE_VIDEO, "video");
1385	}
1386
1387
1388
1389	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_media_handle_destroy(switch_core_session_t *session)
1390	{
1391	switch_media_handle_t *smh;
1392	switch_rtp_engine_t a_engine, v_engine;
1393
1394	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 1394, __PRETTY_FUNCTION__));
1395
1396	if (!(smh = session->media_handle)) {
1397	return;
1398	}
1399
1400	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
1401	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
1402
1403
1404	if (switch_core_codec_ready(&a_engine->read_codec)) {
1405	switch_core_codec_destroy(&a_engine->read_codec);
1406	}
1407
1408	if (switch_core_codec_ready(&a_engine->write_codec)) {
1409	switch_core_codec_destroy(&a_engine->write_codec);
1410	}
1411
1412	if (switch_core_codec_ready(&v_engine->read_codec)) {
1413	switch_core_codec_destroy(&v_engine->read_codec);
1414	}
1415
1416	if (switch_core_codec_ready(&v_engine->write_codec)) {
1417	switch_core_codec_destroy(&v_engine->write_codec);
1418	}
1419
1420	switch_core_session_unset_read_codec(session);
1421	switch_core_session_unset_write_codec(session);
1422	switch_core_media_deactivate_rtp(session);
1423
1424
1425
1426	}
1427
1428
1429	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_media_handle_create(switch_media_handle_t *smhp, switch_core_session_t session, switch_core_media_params_t *params)
1430	{
1431	switch_status_t status = SWITCH_STATUS_FALSE;
1432	switch_media_handle_t smh = NULL((void)0);
1433	int i;
1434
1435	smhp = NULL((void)0);
1436
1437	if (zstr(params->sdp_username)_zstr(params->sdp_username)) {
1438	params->sdp_username = "FreeSWITCH";
1439	}
1440
1441
1442	if ((session->media_handle = switch_core_session_alloc(session, (sizeof(smh)))switch_core_perform_session_alloc(session, (sizeof(smh)), "src/switch_core_media.c" , (const char *)__func__, 1442))) {
1443	session->media_handle->session = session;
1444
1445
1446	*smhp = session->media_handle;
1447	switch_set_flag(session->media_handle, SMF_INIT)(session->media_handle)->flags \|= (SMF_INIT);
1448	session->media_handle->media_flags[SCMF_RUNNING] = 1;
1449	session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO].read_frame.buflen = SWITCH_RTP_MAX_BUF_LEN16384;
1450	session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO].type = SWITCH_MEDIA_TYPE_AUDIO;
1451	session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO].crypto_type = CRYPTO_INVALID;
1452
1453	for (i = 0; i < CRYPTO_INVALID; i++) {
1454	session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO].ssec[i].crypto_type = i;
1455	}
1456
1457	session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO].read_frame.buflen = SWITCH_RTP_MAX_BUF_LEN16384;
1458	session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO].type = SWITCH_MEDIA_TYPE_VIDEO;
1459	session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO].crypto_type = CRYPTO_INVALID;
1460
1461	for (i = 0; i < CRYPTO_INVALID; i++) {
1462	session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO].ssec[i].crypto_type = i;
1463	}
1464
1465	session->media_handle->mparams = params;
1466
1467	for (i = 0; i <= CRYPTO_INVALID; i++) {
1468	session->media_handle->crypto_suite_order[i] = CRYPTO_INVALID;
1469	}
1470
1471	switch_mutex_init(&session->media_handle->mutex, SWITCH_MUTEX_NESTED0x1, switch_core_session_get_pool(session));
1472	switch_mutex_init(&session->media_handle->sdp_mutex, SWITCH_MUTEX_NESTED0x1, switch_core_session_get_pool(session));
1473
1474	session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO].ssrc =
1475	(uint32_t) ((intptr_t) &session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO] + (uint32_t) time(NULL((void*)0)));
1476
1477	session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO].ssrc =
1478	(uint32_t) ((intptr_t) &session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO] + (uint32_t) time(NULL((void*)0)) / 2);
1479
1480	session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO].payload_map = switch_core_alloc(session->pool, sizeof(payload_map_t))switch_core_perform_alloc(session->pool, sizeof(payload_map_t ), "src/switch_core_media.c", (const char *)__func__, 1480);
1481	session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO].cur_payload_map = session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO].payload_map;
1482	session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO].cur_payload_map->current = 1;
1483	session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO].payload_map = switch_core_alloc(session->pool, sizeof(payload_map_t))switch_core_perform_alloc(session->pool, sizeof(payload_map_t ), "src/switch_core_media.c", (const char *)__func__, 1483);
1484	session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO].cur_payload_map = session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO].payload_map;
1485	session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO].cur_payload_map->current = 1;
1486
1487	switch_channel_set_flag(session->channel, CF_DTLS_OK)switch_channel_set_flag_value(session->channel, CF_DTLS_OK , 1);
1488
1489	status = SWITCH_STATUS_SUCCESS;
1490	}
1491
1492
1493	return status;
1494	}
1495
1496	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_media_handle_set_media_flag(switch_media_handle_t *smh, switch_core_media_flag_t flag)
1497	{
1498	switch_assert(smh)((smh) ? (void) (0) : __assert_fail ("smh", "src/switch_core_media.c" , 1498, __PRETTY_FUNCTION__));
1499
1500	smh->media_flags[flag] = 1;
1501
1502	}
1503
1504	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_media_handle_set_media_flags(switch_media_handle_t *smh, switch_core_media_flag_t flags[SCMF_MAX])
1505	{
1506	int i;
1507	switch_assert(smh)((smh) ? (void) (0) : __assert_fail ("smh", "src/switch_core_media.c" , 1507, __PRETTY_FUNCTION__));
1508
1509	for(i = 0; i < SCMF_MAX; i++) {
1510	if (flags[i]) {
1511	smh->media_flags[i] = flags[i];
1512	}
1513	}
1514
1515	}
1516
1517	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_media_handle_clear_media_flag(switch_media_handle_t *smh, switch_core_media_flag_t flag)
1518	{
1519	switch_assert(smh)((smh) ? (void) (0) : __assert_fail ("smh", "src/switch_core_media.c" , 1519, __PRETTY_FUNCTION__));
1520
1521	smh->media_flags[flag] = 0;
1522	}
1523
1524	SWITCH_DECLARE(int32_t)__attribute__((visibility("default"))) int32_t switch_media_handle_test_media_flag(switch_media_handle_t *smh, switch_core_media_flag_t flag)
1525	{
1526	switch_assert(smh)((smh) ? (void) (0) : __assert_fail ("smh", "src/switch_core_media.c" , 1526, __PRETTY_FUNCTION__));
1527	return smh->media_flags[flag];
1528	}
1529
1530	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_session_media_handle_ready(switch_core_session_t *session)
1531	{
1532	if (session->media_handle && switch_test_flag(session->media_handle, SMF_INIT)((session->media_handle)->flags & SMF_INIT)) {
1533	return SWITCH_STATUS_SUCCESS;
1534	}
1535
1536	return SWITCH_STATUS_FALSE;
1537	}
1538
1539
1540
1541	SWITCH_DECLARE(switch_media_handle_t )__attribute__((visibility("default"))) switch_media_handle_t switch_core_session_get_media_handle(switch_core_session_t *session)
1542	{
1543	if (switch_core_session_media_handle_ready(session) == SWITCH_STATUS_SUCCESS) {
1544	return session->media_handle;
1545	}
1546
1547	return NULL((void*)0);
1548	}
1549
1550	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_session_clear_media_handle(switch_core_session_t *session)
1551	{
1552	if (!session->media_handle) {
1553	return SWITCH_STATUS_FALSE;
1554	}
1555
1556	return SWITCH_STATUS_SUCCESS;
1557	}
1558
1559	SWITCH_DECLARE(switch_core_media_params_t )__attribute__((visibility("default"))) switch_core_media_params_t switch_core_media_get_mparams(switch_media_handle_t *smh)
1560	{
1561	switch_assert(smh)((smh) ? (void) (0) : __assert_fail ("smh", "src/switch_core_media.c" , 1561, __PRETTY_FUNCTION__));
1562	return smh->mparams;
1563	}
1564
1565	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_prepare_codecs(switch_core_session_t *session, switch_bool_t force)
1566	{
1567	const char abs, codec_string = NULL((void*)0);
1568	const char ocodec = NULL((void)0);
1569	switch_media_handle_t *smh;
1570
1571	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 1571, __PRETTY_FUNCTION__));
1572
1573	if (!(smh = session->media_handle)) {
1574	return;
1575	}
1576
1577	if (!force && (switch_channel_test_flag(session->channel, CF_PROXY_MODE) \|\| switch_channel_test_flag(session->channel, CF_PROXY_MEDIA))) {
1578	return;
1579	}
1580
1581	if (force) {
1582	smh->mparams->num_codecs = 0;
1583	}
1584
1585	if (smh->mparams->num_codecs) {
1586	return;
1587	}
1588
1589	smh->payload_space = 0;
1590
1591	switch_assert(smh->session != NULL)((smh->session != ((void)0)) ? (void) (0) : __assert_fail ("smh->session != ((void)0)", "src/switch_core_media.c", 1591, __PRETTY_FUNCTION__));
1592
1593	if ((abs = switch_channel_get_variable(session->channel, "absolute_codec_string")switch_channel_get_variable_dup(session->channel, "absolute_codec_string" , SWITCH_TRUE, -1))) {
1594	codec_string = abs;
1595	goto ready;
1596	}
1597
1598	if (!(codec_string = switch_channel_get_variable(session->channel, "codec_string")switch_channel_get_variable_dup(session->channel, "codec_string" , SWITCH_TRUE, -1))) {
1599	codec_string = switch_core_media_get_codec_string(smh->session);
1600	}
1601
1602	if (codec_string && *codec_string == '=') {
1603	codec_string++;
1604	goto ready;
1605	}
1606
1607	if ((ocodec = switch_channel_get_variable(session->channel, SWITCH_ORIGINATOR_CODEC_VARIABLE)switch_channel_get_variable_dup(session->channel, "originator_codec" , SWITCH_TRUE, -1))) {
1608	if (!codec_string \|\| (smh->media_flags[SCMF_DISABLE_TRANSCODING])) {
1609	codec_string = ocodec;
1610	} else {
1611	if (!(codec_string = switch_core_session_sprintf(smh->session, "%s,%s", ocodec, codec_string))) {
1612	codec_string = ocodec;
1613	}
1614	}
1615	}
1616
1617	ready:
1618	if (codec_string) {
1619	char tmp_codec_string = switch_core_session_strdup(smh->session, codec_string)switch_core_perform_session_strdup(smh->session, codec_string , "src/switch_core_media.c", (const char )__func__, 1619);
1620
1621
1622	switch_channel_set_variable(session->channel, "rtp_use_codec_string", codec_string)switch_channel_set_variable_var_check(session->channel, "rtp_use_codec_string" , codec_string, SWITCH_TRUE);
1623	smh->codec_order_last = switch_separate_string(tmp_codec_string, ',', smh->codec_order, SWITCH_MAX_CODECS50);
1624	smh->mparams->num_codecs = switch_loadable_module_get_codecs_sorted(smh->codecs, SWITCH_MAX_CODECS50, smh->codec_order, smh->codec_order_last);
1625	} else {
1626	smh->mparams->num_codecs = switch_loadable_module_get_codecs(smh->codecs, sizeof(smh->codecs) / sizeof(smh->codecs[0]));
1627	}
1628	}
1629
1630
1631	static void check_jb(switch_core_session_t session, const char input)
1632	{
1633	const char *val;
1634	switch_media_handle_t *smh;
1635	switch_rtp_engine_t *a_engine;
1636
1637	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 1637, __PRETTY_FUNCTION__));
1638
1639	if (!(smh = session->media_handle)) {
1640	return;
1641	}
1642
1643	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
1644
1645	if (!a_engine->rtp_session) return;
1646
1647
1648	if (!zstr(input)_zstr(input)) {
1649	const char *s;
1650
1651	if (!strcasecmp(input, "pause")) {
1652	switch_rtp_pause_jitter_buffer(a_engine->rtp_session, SWITCH_TRUE);
1653	return;
1654	} else if (!strcasecmp(input, "resume")) {
1655	switch_rtp_pause_jitter_buffer(a_engine->rtp_session, SWITCH_FALSE);
1656	return;
1657	} else if (!strcasecmp(input, "stop")) {
1658	switch_rtp_deactivate_jitter_buffer(a_engine->rtp_session);
1659	return;
1660	} else if (!strncasecmp(input, "debug:", 6)) {
1661	s = input + 6;
1662	if (s && !strcmp(s, "off")__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (s) && __builtin_constant_p ("off") && (__s1_len = __builtin_strlen (s), __s2_len = __builtin_strlen ("off"), (!((size_t)(const void )((s) + 1) - (size_t)(const void )( s) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )(("off") + 1) - (size_t)(const void )("off") == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (s, "off") : (__builtin_constant_p (s) && ((size_t)(const void )((s) + 1) - (size_t)(const void )(s) == 1) && (__s1_len = __builtin_strlen (s) , __s1_len < 4) ? (__builtin_constant_p ("off") && ((size_t)(const void )(("off") + 1) - (size_t)(const void )("off") == 1) ? __builtin_strcmp (s, "off") : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) ("off"); int __result = (((const unsigned char ) (const char ) (s))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ( s))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (s) )[2] - __s2[2]); if (__s1_len > 2 && __result == 0 ) __result = (((const unsigned char ) (const char ) (s))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ("off" ) && ((size_t)(const void )(("off") + 1) - (size_t)( const void )("off") == 1) && (__s2_len = __builtin_strlen ("off"), __s2_len < 4) ? (__builtin_constant_p (s) && ((size_t)(const void )((s) + 1) - (size_t)(const void )(s) == 1) ? __builtin_strcmp (s, "off") : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (s); int __result = (((const unsigned char ) (const char ) ("off"))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ( "off"))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ( "off"))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) ("off" ))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (s, "off" )))); })) {
1663	s = NULL((void*)0);
1664	}
1665	switch_rtp_debug_jitter_buffer(a_engine->rtp_session, s);
1666	return;
1667	}
1668
1669	switch_channel_set_variable(session->channel, "jitterbuffer_msec", input)switch_channel_set_variable_var_check(session->channel, "jitterbuffer_msec" , input, SWITCH_TRUE);
1670	}
1671
1672
1673	if ((val = switch_channel_get_variable(session->channel, "jitterbuffer_msec")switch_channel_get_variable_dup(session->channel, "jitterbuffer_msec" , SWITCH_TRUE, -1)) \|\| (val = smh->mparams->jb_msec)) {
1674	int jb_msec = atoi(val);
1675	int maxlen = 0, max_drift = 0;
1676	char p, q;
1677
1678
1679	if ((p = strchr(val, ':')(__extension__ (__builtin_constant_p (':') && !__builtin_constant_p (val) && (':') == '\0' ? (char *) __rawmemchr (val, ':' ) : __builtin_strchr (val, ':'))))) {
1680	p++;
1681	maxlen = atoi(p);
1682	if ((q = strchr(p, ':')(__extension__ (__builtin_constant_p (':') && !__builtin_constant_p (p) && (':') == '\0' ? (char *) __rawmemchr (p, ':') : __builtin_strchr (p, ':'))))) {
1683	q++;
1684	max_drift = abs(atoi(q));
1685	}
1686	}
1687
1688	if (jb_msec < 0 && jb_msec > -20) {
1689	jb_msec = (a_engine->read_codec.implementation->microseconds_per_packet / 1000) * abs(jb_msec);
1690	}
1691
1692	if (maxlen < 0 && maxlen > -20) {
1693	maxlen = (a_engine->read_codec.implementation->microseconds_per_packet / 1000) * abs(maxlen);
1694	}
1695
1696	if (jb_msec < 10 \|\| jb_msec > 10000) {
1697	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1697, (const char)(session), SWITCH_LOG_ERROR,
1698	"Invalid Jitterbuffer spec [%d] must be between 10 and 10000\n", jb_msec);
1699	} else {
1700	int qlen, maxqlen = 10;
1701
1702	qlen = jb_msec / (a_engine->read_impl.microseconds_per_packet / 1000);
1703
1704	if (maxlen) {
1705	maxqlen = maxlen / (a_engine->read_impl.microseconds_per_packet / 1000);
1706	}
1707
1708	if (maxqlen < qlen) {
1709	maxqlen = qlen * 5;
1710	}
1711	if (switch_rtp_activate_jitter_buffer(a_engine->rtp_session, qlen, maxqlen,
1712	a_engine->read_impl.samples_per_packet,
1713	a_engine->read_impl.samples_per_second, max_drift) == SWITCH_STATUS_SUCCESS) {
1714	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1714, (const char)(session),
1715	SWITCH_LOG_DEBUG, "Setting Jitterbuffer to %dms (%d frames) (%d max frames) (%d max drift)\n",
1716	jb_msec, qlen, maxqlen, max_drift);
1717	switch_channel_set_flag(session->channel, CF_JITTERBUFFER)switch_channel_set_flag_value(session->channel, CF_JITTERBUFFER , 1);
1718	if (!switch_false(switch_channel_get_variable(session->channel, "rtp_jitter_buffer_plc")switch_channel_get_variable_dup(session->channel, "rtp_jitter_buffer_plc" , SWITCH_TRUE, -1))) {
1719	switch_channel_set_flag(session->channel, CF_JITTERBUFFER_PLC)switch_channel_set_flag_value(session->channel, CF_JITTERBUFFER_PLC , 1);
1720	}
1721	} else {
1722	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1722, (const char)(session),
1723	SWITCH_LOG_WARNING, "Error Setting Jitterbuffer to %dms (%d frames)\n", jb_msec, qlen);
1724	}
1725
1726	}
1727	}
1728
1729	}
1730
1731	//?
1732	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_read_frame(switch_core_session_t session, switch_frame_t *frame,
1733	switch_io_flag_t flags, int stream_id, switch_media_type_t type)
1734	{
1735	switch_rtcp_frame_t rtcp_frame;
1736	switch_rtp_engine_t *engine;
1737	switch_status_t status;
1738	switch_media_handle_t *smh;
1739	int do_cng = 0;
1740
1741	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 1741, __PRETTY_FUNCTION__));
1742
1743	if (!(smh = session->media_handle)) {
1744	return SWITCH_STATUS_FALSE;
1745	}
1746
1747	if (!smh->media_flags[SCMF_RUNNING]) {
1748	return SWITCH_STATUS_FALSE;
1749	}
1750
1751	engine = &smh->engines[type];
1752
1753	engine->read_frame.datalen = 0;
1754
1755	if (!engine->read_codec.implementation \|\| !switch_core_codec_ready(&engine->read_codec)) {
1756	return SWITCH_STATUS_FALSE;
1757	}
1758
1759	switch_assert(engine->rtp_session != NULL)((engine->rtp_session != ((void)0)) ? (void) (0) : __assert_fail ("engine->rtp_session != ((void)0)", "src/switch_core_media.c" , 1759, __PRETTY_FUNCTION__));
1760	engine->read_frame.datalen = 0;
1761
1762	if (!switch_channel_up_nosig(session->channel)(switch_channel_get_state(session->channel) < CS_HANGUP ) \|\| !switch_rtp_ready(engine->rtp_session) \|\| switch_channel_test_flag(session->channel, CF_NOT_READY)) {
1763	return SWITCH_STATUS_FALSE;
1764	}
1765
1766	if (engine->read_mutex[type] && switch_mutex_trylock(engine->read_mutex[type]) != SWITCH_STATUS_SUCCESS) {
1767	/* return CNG, another thread is already reading */
1768	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1768, (const char)(session), SWITCH_LOG_DEBUG1, "%s is already being read for %s\n",
1769	switch_channel_get_name(session->channel), type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio");
1770	return SWITCH_STATUS_INUSE;
1771	}
1772
1773
1774	while (smh->media_flags[SCMF_RUNNING] && engine->read_frame.datalen == 0) {
1775	engine->read_frame.flags = SFF_NONE;
1776
1777	status = switch_rtp_zerocopy_read_frame(engine->rtp_session, &engine->read_frame, flags);
1778
1779	if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_BREAK) {
1780	if (status == SWITCH_STATUS_TIMEOUT) {
1781
1782	if (switch_channel_get_variable(session->channel, "execute_on_media_timeout")switch_channel_get_variable_dup(session->channel, "execute_on_media_timeout" , SWITCH_TRUE, -1)) {
1783	*frame = &engine->read_frame;
1784	switch_set_flag((frame), SFF_CNG)((frame))->flags \|= (SFF_CNG);
1785	(*frame)->datalen = engine->read_impl.encoded_bytes_per_packet;
1786	memset((frame)->data, 0, (frame)->datalen);
1787	switch_channel_execute_on(session->channel, "execute_on_media_timeout");
1788	switch_goto_status(SWITCH_STATUS_SUCCESS, end)status = SWITCH_STATUS_SUCCESS; goto end;
1789	}
1790
1791
1792	switch_channel_hangup(session->channel, SWITCH_CAUSE_MEDIA_TIMEOUT)switch_channel_perform_hangup(session->channel, "src/switch_core_media.c" , (const char *)__func__, 1792, SWITCH_CAUSE_MEDIA_TIMEOUT);
1793	}
1794	goto end;
1795	}
1796
1797	/* re-set codec if necessary */
1798	if (engine->reset_codec > 0) {
1799	const char *val;
1800	int rtp_timeout_sec = 0;
1801	int rtp_hold_timeout_sec = 0;
1802
1803	engine->reset_codec = 0;
1804
1805	if (switch_rtp_ready(engine->rtp_session)) {
1806	if (type == SWITCH_MEDIA_TYPE_VIDEO) {
1807	switch_core_media_set_video_codec(session, 1);
1808	} else {
1809	if (switch_core_media_set_codec(session, 1, 0) != SWITCH_STATUS_SUCCESS) {
1810	frame = NULL((void)0);
1811	switch_goto_status(SWITCH_STATUS_GENERR, end)status = SWITCH_STATUS_GENERR; goto end;
1812	}
1813	}
1814
1815	if ((val = switch_channel_get_variable(session->channel, "rtp_timeout_sec")switch_channel_get_variable_dup(session->channel, "rtp_timeout_sec" , SWITCH_TRUE, -1))) {
1816	int v = atoi(val);
1817	if (v >= 0) {
1818	rtp_timeout_sec = v;
1819	}
1820	}
1821
1822	if ((val = switch_channel_get_variable(session->channel, "rtp_hold_timeout_sec")switch_channel_get_variable_dup(session->channel, "rtp_hold_timeout_sec" , SWITCH_TRUE, -1))) {
1823	int v = atoi(val);
1824	if (v >= 0) {
1825	rtp_hold_timeout_sec = v;
1826	}
1827	}
1828
1829	if (rtp_timeout_sec) {
1830	engine->max_missed_packets = (engine->read_impl.samples_per_second * rtp_timeout_sec) /
1831	engine->read_impl.samples_per_packet;
1832
1833	switch_rtp_set_max_missed_packets(engine->rtp_session, engine->max_missed_packets);
1834	if (!rtp_hold_timeout_sec) {
1835	rtp_hold_timeout_sec = rtp_timeout_sec * 10;
1836	}
1837	}
1838
1839	if (rtp_hold_timeout_sec) {
1840	engine->max_missed_hold_packets = (engine->read_impl.samples_per_second * rtp_hold_timeout_sec) /
1841	engine->read_impl.samples_per_packet;
1842	}
1843	}
1844
1845	check_jb(session, NULL((void*)0));
1846
1847	engine->check_frames = 0;
1848	engine->last_ts = 0;
1849	engine->last_seq = 0;
1850
1851	do_cng = 1;
1852	}
1853
1854	if (do_cng) {
1855	/* return CNG for now */
1856	*frame = &engine->read_frame;
1857	switch_set_flag((frame), SFF_CNG)((frame))->flags \|= (SFF_CNG);
1858	(*frame)->datalen = engine->read_impl.encoded_bytes_per_packet;
1859	memset((frame)->data, 0, (frame)->datalen);
1860	switch_goto_status(SWITCH_STATUS_SUCCESS, end)status = SWITCH_STATUS_SUCCESS; goto end;
1861	}
1862
1863
1864	/* Try to read an RTCP frame, if successful raise an event */
1865	if (switch_rtcp_zerocopy_read_frame(engine->rtp_session, &rtcp_frame) == SWITCH_STATUS_SUCCESS) {
1866	switch_event_t *event;
1867
1868	if (switch_event_create(&event, SWITCH_EVENT_RECV_RTCP_MESSAGE)switch_event_create_subclass_detailed("src/switch_core_media.c" , (const char * )(const char )__func__, 1868, &event, SWITCH_EVENT_RECV_RTCP_MESSAGE , ((void)0)) == SWITCH_STATUS_SUCCESS) {
1869	char value[30];
1870	char header[50];
1871	int i;
1872
1873	char *uuid = switch_core_session_get_uuid(session);
1874	if (uuid) {
1875	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Unique-ID", switch_core_session_get_uuid(session));
1876	}
1877
1878	snprintf(value, sizeof(value), "%.8x", rtcp_frame.ssrc);
1879	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "SSRC", value);
1880
1881	snprintf(value, sizeof(value), "%u", rtcp_frame.ntp_msw);
1882	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "NTP-Most-Significant-Word", value);
1883
1884	snprintf(value, sizeof(value), "%u", rtcp_frame.ntp_lsw);
1885	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "NTP-Least-Significant-Word", value);
1886
1887	snprintf(value, sizeof(value), "%u", rtcp_frame.timestamp);
1888	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "RTP-Timestamp", value);
1889
1890	snprintf(value, sizeof(value), "%u", rtcp_frame.packet_count);
1891	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Sender-Packet-Count", value);
1892
1893	snprintf(value, sizeof(value), "%u", rtcp_frame.octect_count);
1894	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Octect-Packet-Count", value);
1895
1896	snprintf(value, sizeof(value), "%" SWITCH_SIZE_T_FMT"ld", engine->read_frame.timestamp);
1897	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Last-RTP-Timestamp", value);
1898
1899	snprintf(value, sizeof(value), "%u", engine->read_frame.rate);
1900	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "RTP-Rate", value);
1901
1902	snprintf(value, sizeof(value), "%" SWITCH_TIME_T_FMT"ld", switch_time_now());
1903	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Capture-Time", value);
1904
1905	// Add sources info
1906	for (i = 0; i < rtcp_frame.report_count; i++) {
1907	snprintf(header, sizeof(header), "Source%u-SSRC", i);
1908	snprintf(value, sizeof(value), "%.8x", rtcp_frame.reports[i].ssrc);
1909	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, header, value);
1910	snprintf(header, sizeof(header), "Source%u-Fraction", i);
1911	snprintf(value, sizeof(value), "%u", rtcp_frame.reports[i].fraction);
1912	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, header, value);
1913	snprintf(header, sizeof(header), "Source%u-Lost", i);
1914	snprintf(value, sizeof(value), "%u", rtcp_frame.reports[i].lost);
1915	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, header, value);
1916	snprintf(header, sizeof(header), "Source%u-Highest-Sequence-Number-Received", i);
1917	snprintf(value, sizeof(value), "%u", rtcp_frame.reports[i].highest_sequence_number_received);
1918	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, header, value);
1919	snprintf(header, sizeof(header), "Source%u-Jitter", i);
1920	snprintf(value, sizeof(value), "%u", rtcp_frame.reports[i].jitter);
1921	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, header, value);
1922	snprintf(header, sizeof(header), "Source%u-LSR", i);
1923	snprintf(value, sizeof(value), "%u", rtcp_frame.reports[i].lsr);
1924	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, header, value);
1925	snprintf(header, sizeof(header), "Source%u-DLSR", i);
1926	snprintf(value, sizeof(value), "%u", rtcp_frame.reports[i].dlsr);
1927	switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, header, value);
1928	}
1929
1930	switch_event_fire(&event)switch_event_fire_detailed("src/switch_core_media.c", (const char * )(const char )__func__, 1930, &event, ((void)0));
1931	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1931, (const char)(session), SWITCH_LOG_DEBUG10, "Dispatched RTCP event\n");
1932	}
1933	}
1934
1935	/* Fast PASS! */
1936	if (switch_test_flag((&engine->read_frame), SFF_PROXY_PACKET)(((&engine->read_frame))->flags & SFF_PROXY_PACKET )) {
1937	*frame = &engine->read_frame;
1938	switch_goto_status(SWITCH_STATUS_SUCCESS, end)status = SWITCH_STATUS_SUCCESS; goto end;
1939	}
1940
1941	if (switch_rtp_has_dtmf(engine->rtp_session)) {
1942	switch_dtmf_t dtmf = { 0 };
1943	switch_rtp_dequeue_dtmf(engine->rtp_session, &dtmf);
1944	switch_channel_queue_dtmf(session->channel, &dtmf);
1945	}
1946
1947	if (engine->read_frame.datalen > 0) {
1948	uint32_t bytes = 0;
1949	int frames = 1;
1950
1951	/* autofix timing */
1952	if (!switch_test_flag((&engine->read_frame), SFF_CNG)(((&engine->read_frame))->flags & SFF_CNG)) {
1953	if (!engine->read_codec.implementation \|\| !switch_core_codec_ready(&engine->read_codec)) {
1954	frame = NULL((void)0);
1955	switch_goto_status(SWITCH_STATUS_GENERR, end)status = SWITCH_STATUS_GENERR; goto end;
1956	}
1957
1958	/* check for timing issues */
1959	if (smh->media_flags[SCMF_AUTOFIX_TIMING] && engine->check_frames < MAX_CODEC_CHECK_FRAMES50) {
1960
1961
1962	engine->check_frames++;
1963
1964	if (!engine->read_impl.encoded_bytes_per_packet) {
1965	engine->check_frames = MAX_CODEC_CHECK_FRAMES50;
1966	goto skip;
1967	}
1968
1969	if (smh->media_flags[SCMF_AUTOFIX_TIMING] && (engine->read_frame.datalen % 10) == 0) {
1970
1971	if (engine->last_ts && engine->read_frame.datalen != engine->read_impl.encoded_bytes_per_packet) {
1972
1973	uint32_t codec_ms = (int) (engine->read_frame.timestamp -
1974	engine->last_ts) / (engine->read_impl.samples_per_second / 1000);
1975
1976	if (engine->last_seq && (int) (engine->read_frame.seq - engine->last_seq) > 1) {
1977	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1977, (const char)(session), SWITCH_LOG_DEBUG, "Correcting calculated ptime value from %d to %d to compensate for %d lost packet(s)\n", codec_ms, codec_ms / (int) (engine->read_frame.seq - engine->last_seq), (int) (engine->read_frame.seq - engine->last_seq - 1));
1978	codec_ms = codec_ms / (int) (engine->read_frame.seq - engine->last_seq);
1979	}
1980
1981	if ((codec_ms % 10) != 0 \|\| codec_ms > engine->read_impl.samples_per_packet * 10) {
1982	engine->last_ts = 0;
1983	engine->last_seq = 0;
1984	goto skip;
1985	}
1986
1987
1988	if (engine->last_codec_ms && engine->last_codec_ms == codec_ms) {
1989	engine->mismatch_count++;
1990	}
1991
1992	engine->last_codec_ms = codec_ms;
1993
1994	if (engine->mismatch_count > MAX_MISMATCH_FRAMES5) {
1995	if (codec_ms != engine->cur_payload_map->codec_ms) {
1996
1997	if (codec_ms > 120) { /* yeah right */
1998	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 1998, (const char)(session), SWITCH_LOG_WARNING,
1999	"Your phone is trying to send timestamps that suggest an increment of %dms per packet\n"
2000	"That seems hard to believe so I am going to go on ahead and um ignore that, mmkay?\n",
2001	(int) codec_ms);
2002	engine->check_frames = MAX_CODEC_CHECK_FRAMES50;
2003	goto skip;
2004	}
2005
2006	engine->read_frame.datalen = 0;
2007
2008	if (codec_ms != engine->cur_payload_map->codec_ms) {
2009	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2009, (const char)(session), SWITCH_LOG_WARNING,
2010	"Asynchronous PTIME not supported, changing our end from %d to %d\n",
2011	(int) engine->cur_payload_map->codec_ms,
2012	(int) codec_ms
2013	);
2014
2015	switch_channel_set_variable_printf(session->channel, "rtp_h_X-Broken-PTIME", "Adv=%d;Sent=%d",
2016	(int) engine->cur_payload_map->codec_ms, (int) codec_ms);
2017
2018	engine->cur_payload_map->codec_ms = codec_ms;
2019
2020	/* mark to re-set codec */
2021	engine->reset_codec = 2;
2022	}
2023	}
2024	}
2025
2026	} else {
2027	engine->mismatch_count = 0;
2028	}
2029
2030	engine->last_ts = engine->read_frame.timestamp;
2031	engine->last_seq = engine->read_frame.seq;
2032
2033
2034	} else {
2035	engine->mismatch_count = 0;
2036	engine->last_ts = 0;
2037	engine->last_seq = 0;
2038	}
2039	}
2040
2041	/* autofix payload type */
2042
2043	if (!engine->reset_codec &&
2044	engine->codec_negotiated &&
2045	(!smh->mparams->cng_pt \|\| engine->read_frame.payload != smh->mparams->cng_pt) &&
2046	(!smh->mparams->recv_te \|\| engine->read_frame.payload != smh->mparams->recv_te) &&
2047	(!smh->mparams->te \|\| engine->read_frame.payload != smh->mparams->te) &&
2048	engine->read_frame.payload != engine->cur_payload_map->recv_pt &&
2049	engine->read_frame.payload != engine->cur_payload_map->agreed_pt &&
2050	engine->read_frame.payload != engine->cur_payload_map->pt) {
2051
2052	payload_map_t *pmap;
2053
2054
2055	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2055, (const char)(session), SWITCH_LOG_DEBUG,
2056	"alternate payload received (received %d, expecting %d)\n",
2057	(int) engine->read_frame.payload, (int) engine->cur_payload_map->agreed_pt);
2058
2059
2060	/* search for payload type */
2061	switch_mutex_lock(smh->sdp_mutex);
2062	for (pmap = engine->payload_map; pmap; pmap = pmap->next) {
2063	if (engine->read_frame.payload == pmap->recv_pt && pmap->negotiated) {
2064	engine->cur_payload_map = pmap;
2065	engine->cur_payload_map->current = 1;
2066	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2066, (const char)(session), SWITCH_LOG_WARNING,
2067	"Changing current codec to %s (payload type %d).\n",
2068	pmap->iananame, pmap->pt);
2069
2070	/* mark to re-set codec */
2071	engine->reset_codec = 1;
2072	break;
2073	}
2074	}
2075	switch_mutex_unlock(smh->sdp_mutex);
2076
2077	if (!engine->reset_codec) {
2078	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2078, (const char)(session), SWITCH_LOG_WARNING,
2079	"Could not change to payload type %d, ignoring...\n",
2080	(int) engine->read_frame.payload);
2081	}
2082	}
2083
2084	skip:
2085
2086	if ((bytes = engine->read_impl.encoded_bytes_per_packet)) {
2087	frames = (engine->read_frame.datalen / bytes);
2088	}
2089	engine->read_frame.samples = (int) (frames * engine->read_impl.samples_per_packet);
2090
2091	if (engine->read_frame.datalen == 0) {
2092	continue;
2093	}
2094	}
2095	break;
2096	}
2097	}
2098
2099	if (engine->read_frame.datalen == 0) {
2100	frame = NULL((void)0);
2101	}
2102
2103	*frame = &engine->read_frame;
2104
2105	status = SWITCH_STATUS_SUCCESS;
2106
2107	end:
2108
2109	if (engine->read_mutex[type]) {
2110	switch_mutex_unlock(engine->read_mutex[type]);
2111	}
2112
2113	return status;
2114	}
2115
2116	//?
2117	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_write_frame(switch_core_session_t *session,
2118	switch_frame_t *frame, switch_io_flag_t flags, int stream_id, switch_media_type_t type)
2119	{
2120	switch_status_t status = SWITCH_STATUS_SUCCESS;
2121	int bytes = 0, samples = 0, frames = 0;
2122	switch_rtp_engine_t *engine;
2123	switch_media_handle_t *smh;
2124
2125	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 2125, __PRETTY_FUNCTION__));
2126
2127	if (!(smh = session->media_handle)) {
2128	return SWITCH_STATUS_FALSE;
2129	}
2130
2131	if (!smh->media_flags[SCMF_RUNNING]) {
2132	return SWITCH_STATUS_FALSE;
2133	}
2134
2135	engine = &smh->engines[type];
2136
2137	while (!(engine->read_codec.implementation && switch_rtp_ready(engine->rtp_session))) {
2138	if (switch_channel_ready(session->channel)switch_channel_test_ready(session->channel, SWITCH_TRUE, SWITCH_FALSE )) {
2139	switch_yield(10000)switch_sleep(10000);;
2140	} else {
2141	return SWITCH_STATUS_GENERR;
2142	}
2143	}
2144
2145	if (!engine->read_codec.implementation \|\| !switch_core_codec_ready(&engine->read_codec)) {
2146	return SWITCH_STATUS_GENERR;
2147	}
2148
2149
2150	if (!engine->read_codec.implementation \|\| !switch_core_codec_ready(&engine->read_codec)) {
2151	return SWITCH_STATUS_FALSE;
2152	}
2153
2154	if (!switch_test_flag(frame, SFF_CNG)((frame)->flags & SFF_CNG) && !switch_test_flag(frame, SFF_PROXY_PACKET)((frame)->flags & SFF_PROXY_PACKET)) {
2155	if (engine->read_impl.encoded_bytes_per_packet) {
2156	bytes = engine->read_impl.encoded_bytes_per_packet;
2157	frames = ((int) frame->datalen / bytes);
2158	} else
2159	frames = 1;
2160
2161	samples = frames * engine->read_impl.samples_per_packet;
2162	}
2163
2164	engine->timestamp_send += samples;
2165
2166	if (switch_rtp_write_frame(engine->rtp_session, frame) < 0) {
2167	status = SWITCH_STATUS_FALSE;
2168	}
2169
2170
2171	return status;
2172	}
2173
2174
2175	//?
2176	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_copy_t38_options(switch_t38_options_t t38_options, switch_core_session_t session)
2177	{
2178	switch_channel_t *channel = switch_core_session_get_channel(session);
2179	switch_t38_options_t *local_t38_options = switch_channel_get_private(channel, "t38_options");
2180
2181	switch_assert(t38_options)((t38_options) ? (void) (0) : __assert_fail ("t38_options", "src/switch_core_media.c" , 2181, __PRETTY_FUNCTION__));
2182
2183	if (!local_t38_options) {
2184	local_t38_options = switch_core_session_alloc(session, sizeof(switch_t38_options_t))switch_core_perform_session_alloc(session, sizeof(switch_t38_options_t ), "src/switch_core_media.c", (const char *)__func__, 2184);
2185	}
2186
2187	local_t38_options->T38MaxBitRate = t38_options->T38MaxBitRate;
2188	local_t38_options->T38FaxFillBitRemoval = t38_options->T38FaxFillBitRemoval;
2189	local_t38_options->T38FaxTranscodingMMR = t38_options->T38FaxTranscodingMMR;
2190	local_t38_options->T38FaxTranscodingJBIG = t38_options->T38FaxTranscodingJBIG;
2191	local_t38_options->T38FaxRateManagement = switch_core_session_strdup(session, t38_options->T38FaxRateManagement)switch_core_perform_session_strdup(session, t38_options->T38FaxRateManagement , "src/switch_core_media.c", (const char *)__func__, 2191);
2192	local_t38_options->T38FaxMaxBuffer = t38_options->T38FaxMaxBuffer;
2193	local_t38_options->T38FaxMaxDatagram = t38_options->T38FaxMaxDatagram;
2194	local_t38_options->T38FaxUdpEC = switch_core_session_strdup(session, t38_options->T38FaxUdpEC)switch_core_perform_session_strdup(session, t38_options->T38FaxUdpEC , "src/switch_core_media.c", (const char *)__func__, 2194);
2195	local_t38_options->T38VendorInfo = switch_core_session_strdup(session, t38_options->T38VendorInfo)switch_core_perform_session_strdup(session, t38_options->T38VendorInfo , "src/switch_core_media.c", (const char *)__func__, 2195);
2196	local_t38_options->remote_ip = switch_core_session_strdup(session, t38_options->remote_ip)switch_core_perform_session_strdup(session, t38_options->remote_ip , "src/switch_core_media.c", (const char *)__func__, 2196);
2197	local_t38_options->remote_port = t38_options->remote_port;
2198
2199
2200	switch_channel_set_private(channel, "t38_options", local_t38_options);
2201
2202	}
2203
2204	//?
2205	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_get_offered_pt(switch_core_session_t session, const switch_codec_implementation_t mimp, switch_payload_t *pt)
2206	{
2207	int i = 0;
2208	switch_media_handle_t *smh;
2209
2210	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 2210, __PRETTY_FUNCTION__));
2211
2212	if (!(smh = session->media_handle) \|\| !mimp) {
2213	return SWITCH_STATUS_FALSE;
2214	}
2215
2216
2217	for (i = 0; i < smh->mparams->num_codecs; i++) {
2218	const switch_codec_implementation_t *imp = smh->codecs[i];
2219
2220	if (!strcasecmp(imp->iananame, mimp->iananame) && imp->actual_samples_per_second == mimp->actual_samples_per_second) {
2221	*pt = smh->ianacodes[i];
2222
2223	return SWITCH_STATUS_SUCCESS;
2224	}
2225	}
2226
2227	return SWITCH_STATUS_FALSE;
2228	}
2229
2230
2231
2232	//?
2233	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_set_video_codec(switch_core_session_t *session, int force)
2234	{
2235	switch_media_handle_t *smh;
2236	switch_rtp_engine_t *v_engine;
2237
2238	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 2238, __PRETTY_FUNCTION__));
2239
2240	if (!(smh = session->media_handle)) {
2241	return SWITCH_STATUS_FALSE;
2242	}
2243	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
2244
2245
2246	if (!v_engine->codec_negotiated) {
2247	return SWITCH_STATUS_FALSE;
2248	}
2249
2250	if (v_engine->read_codec.implementation && switch_core_codec_ready(&v_engine->read_codec)) {
2251	if (!force) {
2252	return SWITCH_STATUS_SUCCESS;
2253	}
2254	if (strcasecmp(v_engine->read_codec.implementation->iananame, v_engine->cur_payload_map->rm_encoding) \|\|
2255	v_engine->read_codec.implementation->samples_per_second != v_engine->cur_payload_map->rm_rate) {
2256
2257	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2257, (const char)(session), SWITCH_LOG_DEBUG, "Changing Codec from %s to %s\n",
2258	v_engine->read_codec.implementation->iananame, v_engine->cur_payload_map->rm_encoding);
2259	switch_core_codec_destroy(&v_engine->read_codec);
2260	switch_core_codec_destroy(&v_engine->write_codec);
2261	} else {
2262	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2262, (const char)(session), SWITCH_LOG_DEBUG, "Already using %s\n",
2263	v_engine->read_codec.implementation->iananame);
2264	return SWITCH_STATUS_SUCCESS;
2265	}
2266	}
2267
2268
2269
2270	if (switch_core_codec_init(&v_engine->read_codec,switch_core_codec_init_with_bitrate(&v_engine->read_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session))
2271	v_engine->cur_payload_map->rm_encoding,switch_core_codec_init_with_bitrate(&v_engine->read_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session))
2272	v_engine->cur_payload_map->rm_fmtp,switch_core_codec_init_with_bitrate(&v_engine->read_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session))
2273	v_engine->cur_payload_map->rm_rate,switch_core_codec_init_with_bitrate(&v_engine->read_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session))
2274	0,switch_core_codec_init_with_bitrate(&v_engine->read_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session))
2275	1,switch_core_codec_init_with_bitrate(&v_engine->read_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session))
2276	SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE,switch_core_codec_init_with_bitrate(&v_engine->read_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session))
2277	NULL, switch_core_session_get_pool(session))switch_core_codec_init_with_bitrate(&v_engine->read_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
2278	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2278, (const char)(session), SWITCH_LOG_ERROR, "Can't load codec?\n");
2279	return SWITCH_STATUS_FALSE;
2280	} else {
2281	if (switch_core_codec_init(&v_engine->write_codec,switch_core_codec_init_with_bitrate(&v_engine->write_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session))
2282	v_engine->cur_payload_map->rm_encoding,switch_core_codec_init_with_bitrate(&v_engine->write_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session))
2283	v_engine->cur_payload_map->rm_fmtp,switch_core_codec_init_with_bitrate(&v_engine->write_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session))
2284	v_engine->cur_payload_map->rm_rate,switch_core_codec_init_with_bitrate(&v_engine->write_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session))
2285	0,switch_core_codec_init_with_bitrate(&v_engine->write_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session))
2286	1,switch_core_codec_init_with_bitrate(&v_engine->write_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session))
2287	SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE,switch_core_codec_init_with_bitrate(&v_engine->write_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session))
2288	NULL, switch_core_session_get_pool(session))switch_core_codec_init_with_bitrate(&v_engine->write_codec , v_engine->cur_payload_map->rm_encoding, v_engine-> cur_payload_map->rm_fmtp, v_engine->cur_payload_map-> rm_rate, 0, 1, 0, SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE , ((void*)0), switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
2289	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2289, (const char)(session), SWITCH_LOG_ERROR, "Can't load codec?\n");
2290	return SWITCH_STATUS_FALSE;
2291	} else {
2292	v_engine->read_frame.rate = v_engine->cur_payload_map->rm_rate;
2293	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2293, (const char)(session), SWITCH_LOG_DEBUG, "Set VIDEO Codec %s %s/%ld %d ms\n",
2294	switch_channel_get_name(session->channel), v_engine->cur_payload_map->rm_encoding,
2295	v_engine->cur_payload_map->rm_rate, v_engine->cur_payload_map->codec_ms);
2296	v_engine->read_frame.codec = &v_engine->read_codec;
2297
2298	v_engine->write_codec.fmtp_out = switch_core_session_strdup(session, v_engine->write_codec.fmtp_out)switch_core_perform_session_strdup(session, v_engine->write_codec .fmtp_out, "src/switch_core_media.c", (const char *)__func__, 2298);
2299
2300	v_engine->write_codec.agreed_pt = v_engine->cur_payload_map->agreed_pt;
2301	v_engine->read_codec.agreed_pt = v_engine->cur_payload_map->agreed_pt;
2302	switch_core_session_set_video_read_codec(session, &v_engine->read_codec);
2303	switch_core_session_set_video_write_codec(session, &v_engine->write_codec);
2304
2305
2306	switch_channel_set_variable_printf(session->channel, "rtp_last_video_codec_string", "%s@%dh",
2307	v_engine->cur_payload_map->rm_encoding, v_engine->cur_payload_map->rm_rate);
2308
2309
2310	if (switch_rtp_ready(v_engine->rtp_session)) {
2311	switch_core_session_message_t msg = { 0 };
2312
2313	msg.from = __FILE__"src/switch_core_media.c";
2314	msg.message_id = SWITCH_MESSAGE_INDICATE_VIDEO_REFRESH_REQ;
2315
2316	switch_rtp_set_default_payload(v_engine->rtp_session, v_engine->cur_payload_map->agreed_pt);
2317
2318	//XX
2319
2320	switch_core_session_receive_message(session, &msg)switch_core_session_perform_receive_message(session, &msg , "src/switch_core_media.c", (const char *)__func__, 2320);
2321
2322
2323	}
2324
2325	switch_channel_set_variable(session->channel, "rtp_use_video_codec_name", v_engine->cur_payload_map->rm_encoding)switch_channel_set_variable_var_check(session->channel, "rtp_use_video_codec_name" , v_engine->cur_payload_map->rm_encoding, SWITCH_TRUE);
2326	switch_channel_set_variable(session->channel, "rtp_use_video_codec_fmtp", v_engine->cur_payload_map->rm_fmtp)switch_channel_set_variable_var_check(session->channel, "rtp_use_video_codec_fmtp" , v_engine->cur_payload_map->rm_fmtp, SWITCH_TRUE);
2327	switch_channel_set_variable_printf(session->channel, "rtp_use_video_codec_rate", "%d", v_engine->cur_payload_map->rm_rate);
2328	switch_channel_set_variable_printf(session->channel, "rtp_use_video_codec_ptime", "%d", 0);
2329
2330	}
2331	}
2332	return SWITCH_STATUS_SUCCESS;
2333	}
2334
2335
2336	//?
2337	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_set_codec(switch_core_session_t *session, int force, uint32_t codec_flags)
2338	{
2339	switch_status_t status = SWITCH_STATUS_SUCCESS;
2340	int resetting = 0;
2341	switch_media_handle_t *smh;
2342	switch_rtp_engine_t *a_engine;
2343
2344	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 2344, __PRETTY_FUNCTION__));
2345
2346	if (!(smh = session->media_handle)) {
2347	return SWITCH_STATUS_FALSE;
2348	}
2349	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
2350
2351	if (!a_engine->cur_payload_map->iananame) {
2352	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2352, (const char)(session), SWITCH_LOG_DEBUG, "No audio codec available\n");
2353	switch_goto_status(SWITCH_STATUS_FALSE, end)status = SWITCH_STATUS_FALSE; goto end;
2354	}
2355
2356	if (switch_core_codec_ready(&a_engine->read_codec)) {
2357	if (!force) {
2358	switch_goto_status(SWITCH_STATUS_SUCCESS, end)status = SWITCH_STATUS_SUCCESS; goto end;
2359	}
2360	if (strcasecmp(a_engine->read_impl.iananame, a_engine->cur_payload_map->iananame) \|\|
2361	(uint32_t) a_engine->read_impl.microseconds_per_packet / 1000 != a_engine->cur_payload_map->codec_ms \|\|
2362	a_engine->read_impl.samples_per_second != a_engine->cur_payload_map->rm_rate ) {
2363
2364	if (session->read_resampler) {
2365	switch_mutex_lock(session->resample_mutex);
2366	switch_resample_destroy(&session->read_resampler);
2367	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2367, (const char)(session), SWITCH_LOG_NOTICE, "Deactivating read resampler\n");
2368	switch_mutex_unlock(session->resample_mutex);
2369	}
2370
2371	if (session->write_resampler) {
2372	switch_mutex_lock(session->resample_mutex);
2373	switch_resample_destroy(&session->write_resampler);
2374	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2374, (const char)(session), SWITCH_LOG_NOTICE, "Deactivating write resampler\n");
2375	switch_mutex_unlock(session->resample_mutex);
2376	}
2377
2378	switch_core_session_reset(session, 0, 0);
2379	switch_channel_audio_sync(session->channel)switch_channel_perform_audio_sync(session->channel, "src/switch_core_media.c" , (const char *)__func__, 2379);
2380
2381	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2381, (const char)(session), SWITCH_LOG_DEBUG,
2382	"Changing Codec from %s@%dms@%dhz to %s@%dms@%luhz\n",
2383	a_engine->read_impl.iananame,
2384	a_engine->read_impl.microseconds_per_packet / 1000,
2385	a_engine->read_impl.samples_per_second,
2386
2387	a_engine->cur_payload_map->iananame,
2388	a_engine->cur_payload_map->codec_ms,
2389	a_engine->cur_payload_map->rm_rate);
2390
2391	switch_yield(a_engine->read_impl.microseconds_per_packet)switch_sleep(a_engine->read_impl.microseconds_per_packet);;
2392	switch_core_session_lock_codec_write(session);
2393	switch_core_session_lock_codec_read(session);
2394	resetting = 1;
2395	switch_yield(a_engine->read_impl.microseconds_per_packet)switch_sleep(a_engine->read_impl.microseconds_per_packet);;
2396	switch_core_codec_destroy(&a_engine->read_codec);
2397	switch_core_codec_destroy(&a_engine->write_codec);
2398	switch_channel_audio_sync(session->channel)switch_channel_perform_audio_sync(session->channel, "src/switch_core_media.c" , (const char *)__func__, 2398);
2399	} else {
2400	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2400, (const char)(session), SWITCH_LOG_DEBUG, "Already using %s\n", a_engine->read_impl.iananame);
2401	switch_goto_status(SWITCH_STATUS_SUCCESS, end)status = SWITCH_STATUS_SUCCESS; goto end;
2402	}
2403	}
2404
2405	if (switch_core_codec_init_with_bitrate(&a_engine->read_codec,
2406	a_engine->cur_payload_map->iananame,
2407	a_engine->cur_payload_map->rm_fmtp,
2408	a_engine->cur_payload_map->rm_rate,
2409	a_engine->cur_payload_map->codec_ms,
2410	a_engine->cur_payload_map->channels,
2411	a_engine->cur_payload_map->bitrate,
2412	SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE \| codec_flags,
2413	NULL((void*)0), switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
2414	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2414, (const char)(session), SWITCH_LOG_ERROR, "Can't load codec?\n");
2415	switch_channel_hangup(session->channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION)switch_channel_perform_hangup(session->channel, "src/switch_core_media.c" , (const char *)__func__, 2415, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION );
2416	switch_goto_status(SWITCH_STATUS_FALSE, end)status = SWITCH_STATUS_FALSE; goto end;
2417	}
2418
2419	a_engine->read_codec.session = session;
2420
2421
2422	if (switch_core_codec_init_with_bitrate(&a_engine->write_codec,
2423	a_engine->cur_payload_map->iananame,
2424	a_engine->cur_payload_map->rm_fmtp,
2425	a_engine->cur_payload_map->rm_rate,
2426	a_engine->cur_payload_map->codec_ms,
2427	a_engine->cur_payload_map->channels,
2428	a_engine->cur_payload_map->bitrate,
2429	SWITCH_CODEC_FLAG_ENCODE \| SWITCH_CODEC_FLAG_DECODE \| codec_flags,
2430	NULL((void*)0), switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
2431	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2431, (const char)(session), SWITCH_LOG_ERROR, "Can't load codec?\n");
2432	switch_channel_hangup(session->channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION)switch_channel_perform_hangup(session->channel, "src/switch_core_media.c" , (const char *)__func__, 2432, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION );
2433	switch_goto_status(SWITCH_STATUS_FALSE, end)status = SWITCH_STATUS_FALSE; goto end;
2434	}
2435
2436	a_engine->write_codec.session = session;
2437
2438	switch_channel_set_variable(session->channel, "rtp_use_codec_name", a_engine->cur_payload_map->iananame)switch_channel_set_variable_var_check(session->channel, "rtp_use_codec_name" , a_engine->cur_payload_map->iananame, SWITCH_TRUE);
2439	switch_channel_set_variable(session->channel, "rtp_use_codec_fmtp", a_engine->cur_payload_map->rm_fmtp)switch_channel_set_variable_var_check(session->channel, "rtp_use_codec_fmtp" , a_engine->cur_payload_map->rm_fmtp, SWITCH_TRUE);
2440	switch_channel_set_variable_printf(session->channel, "rtp_use_codec_rate", "%d", a_engine->cur_payload_map->rm_rate);
2441	switch_channel_set_variable_printf(session->channel, "rtp_use_codec_ptime", "%d", a_engine->cur_payload_map->codec_ms);
2442	switch_channel_set_variable_printf(session->channel, "rtp_use_codec_channels", "%d", a_engine->cur_payload_map->channels);
2443	switch_channel_set_variable_printf(session->channel, "rtp_last_audio_codec_string", "%s@%dh@%di@%dc",
2444	a_engine->cur_payload_map->iananame, a_engine->cur_payload_map->rm_rate, a_engine->cur_payload_map->codec_ms, a_engine->cur_payload_map->channels);
2445
2446	switch_assert(a_engine->read_codec.implementation)((a_engine->read_codec.implementation) ? (void) (0) : __assert_fail ("a_engine->read_codec.implementation", "src/switch_core_media.c" , 2446, __PRETTY_FUNCTION__));
2447	switch_assert(a_engine->write_codec.implementation)((a_engine->write_codec.implementation) ? (void) (0) : __assert_fail ("a_engine->write_codec.implementation", "src/switch_core_media.c" , 2447, __PRETTY_FUNCTION__));
2448
2449	a_engine->read_impl = *a_engine->read_codec.implementation;
2450	a_engine->write_impl = *a_engine->write_codec.implementation;
2451
2452	switch_core_session_set_read_impl(session, a_engine->read_codec.implementation);
2453	switch_core_session_set_write_impl(session, a_engine->write_codec.implementation);
2454
2455	if (switch_rtp_ready(a_engine->rtp_session)) {
2456	switch_assert(a_engine->read_codec.implementation)((a_engine->read_codec.implementation) ? (void) (0) : __assert_fail ("a_engine->read_codec.implementation", "src/switch_core_media.c" , 2456, __PRETTY_FUNCTION__));
2457
2458	if (switch_rtp_change_interval(a_engine->rtp_session,
2459	a_engine->read_impl.microseconds_per_packet,
2460	a_engine->read_impl.samples_per_packet) != SWITCH_STATUS_SUCCESS) {
2461	switch_channel_hangup(session->channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER)switch_channel_perform_hangup(session->channel, "src/switch_core_media.c" , (const char *)__func__, 2461, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER );
2462	switch_goto_status(SWITCH_STATUS_FALSE, end)status = SWITCH_STATUS_FALSE; goto end;
2463	}
2464	}
2465
2466	a_engine->read_frame.rate = a_engine->cur_payload_map->rm_rate;
2467
2468	if (!switch_core_codec_ready(&a_engine->read_codec)) {
2469	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2469, (const char)(session), SWITCH_LOG_ERROR, "Can't load codec?\n");
2470	switch_goto_status(SWITCH_STATUS_FALSE, end)status = SWITCH_STATUS_FALSE; goto end;
2471	}
2472
2473	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2473, (const char)(session), SWITCH_LOG_DEBUG, "Set Codec %s %s/%ld %d ms %d samples %d bits %d channels\n",
2474	switch_channel_get_name(session->channel), a_engine->cur_payload_map->iananame, a_engine->cur_payload_map->rm_rate,
2475	a_engine->cur_payload_map->codec_ms,
2476	a_engine->read_impl.samples_per_packet, a_engine->read_impl.bits_per_second, a_engine->read_impl.number_of_channels);
2477	a_engine->read_frame.codec = &a_engine->read_codec;
2478	a_engine->read_frame.channels = a_engine->read_impl.number_of_channels;
2479	a_engine->write_codec.agreed_pt = a_engine->cur_payload_map->agreed_pt;
2480	a_engine->read_codec.agreed_pt = a_engine->cur_payload_map->agreed_pt;
2481
2482	if (force != 2) {
2483	switch_core_session_set_real_read_codec(session, &a_engine->read_codec);
2484	switch_core_session_set_write_codec(session, &a_engine->write_codec);
2485	}
2486
2487	a_engine->cur_payload_map->fmtp_out = switch_core_session_strdup(session, a_engine->write_codec.fmtp_out)switch_core_perform_session_strdup(session, a_engine->write_codec .fmtp_out, "src/switch_core_media.c", (const char *)__func__, 2487);
2488
2489	if (switch_rtp_ready(a_engine->rtp_session)) {
2490	switch_rtp_set_default_payload(a_engine->rtp_session, a_engine->cur_payload_map->pt);
2491	}
2492
2493	end:
2494
2495	if (resetting) {
2496	switch_core_session_unlock_codec_write(session);
2497	switch_core_session_unlock_codec_read(session);
2498	}
2499
2500	return status;
2501	}
2502	static void clear_ice(switch_core_session_t *session, switch_media_type_t type)
2503	{
2504	switch_media_handle_t *smh;
2505	switch_rtp_engine_t *engine;
2506
2507	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 2507, __PRETTY_FUNCTION__));
2508
2509	if (!(smh = session->media_handle)) {
2510	return;
2511	}
2512
2513	engine = &smh->engines[type];
2514
2515	engine->ice_in.chosen[0] = 0;
2516	engine->ice_in.chosen[1] = 0;
2517	engine->ice_in.cand_idx = 0;
2518	memset(&engine->ice_in, 0, sizeof(engine->ice_in));
2519	engine->remote_rtcp_port = 0;
2520
2521	if (engine->rtp_session) {
2522	switch_rtp_reset(engine->rtp_session);
2523	}
2524
2525	}
2526
2527	//?
2528	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_clear_ice(switch_core_session_t *session)
2529	{
2530	clear_ice(session, SWITCH_MEDIA_TYPE_AUDIO);
2531	clear_ice(session, SWITCH_MEDIA_TYPE_VIDEO);
2532
2533	}
2534
2535	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_pause(switch_core_session_t *session)
2536	{
2537	switch_rtp_engine_t a_engine, v_engine;
2538	switch_media_handle_t *smh;
2539
2540	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 2540, __PRETTY_FUNCTION__));
2541
2542	if (!(smh = session->media_handle)) {
2543	return;
2544	}
2545
2546	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
2547	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
2548
2549	if (a_engine->rtp_session) {
2550	switch_rtp_set_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_PAUSE);
2551	}
2552
2553	if (v_engine->rtp_session) {
2554	switch_rtp_set_flag(v_engine->rtp_session, SWITCH_RTP_FLAG_PAUSE);
2555	}
2556	}
2557
2558	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_resume(switch_core_session_t *session)
2559	{
2560	switch_rtp_engine_t a_engine, v_engine;
2561	switch_media_handle_t *smh;
2562
2563	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 2563, __PRETTY_FUNCTION__));
2564
2565	if (!(smh = session->media_handle)) {
2566	return;
2567	}
2568
2569	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
2570	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
2571
2572	if (a_engine->rtp_session) {
2573	switch_rtp_clear_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_PAUSE);
2574	}
2575
2576	if (v_engine->rtp_session) {
2577	switch_rtp_clear_flag(v_engine->rtp_session, SWITCH_RTP_FLAG_PAUSE);
2578	}
2579	}
2580
2581
2582	//?
2583	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_add_ice_acl(switch_core_session_t session, switch_media_type_t type, const char acl_name)
2584	{
2585	switch_media_handle_t *smh;
2586	switch_rtp_engine_t *engine;
2587
2588	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 2588, __PRETTY_FUNCTION__));
2589
2590	if (!(smh = session->media_handle)) {
2591	return SWITCH_STATUS_FALSE;
2592	}
2593
2594	engine = &smh->engines[type];
2595
2596	if (engine->cand_acl_count < SWITCH_MAX_CAND_ACL25) {
2597	engine->cand_acl[engine->cand_acl_count++] = switch_core_session_strdup(session, acl_name)switch_core_perform_session_strdup(session, acl_name, "src/switch_core_media.c" , (const char *)__func__, 2597);
2598	return SWITCH_STATUS_SUCCESS;
2599	}
2600
2601	return SWITCH_STATUS_FALSE;
2602	}
2603
2604	//?
2605	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_check_video_codecs(switch_core_session_t *session)
2606	{
2607	switch_media_handle_t *smh;
2608
2609	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 2609, __PRETTY_FUNCTION__));
2610
2611	if (!(smh = session->media_handle)) {
2612	return;
2613	}
2614
2615	if (smh->mparams->num_codecs && !switch_channel_test_flag(session->channel, CF_VIDEO_POSSIBLE)) {
2616	int i;
2617	smh->video_count = 0;
2618	for (i = 0; i < smh->mparams->num_codecs; i++) {
2619
2620	if (smh->codecs[i]->codec_type == SWITCH_CODEC_TYPE_VIDEO) {
2621	if (switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_INBOUND &&
2622	switch_channel_test_flag(session->channel, CF_NOVIDEO)) {
2623	continue;
2624	}
2625	smh->video_count++;
2626	}
2627	}
2628	if (smh->video_count) {
2629	switch_channel_set_flag(session->channel, CF_VIDEO_POSSIBLE)switch_channel_set_flag_value(session->channel, CF_VIDEO_POSSIBLE , 1);
2630	}
2631	}
2632	}
2633
2634	//?
2635	static void generate_local_fingerprint(switch_media_handle_t *smh, switch_media_type_t type)
2636	{
2637	switch_rtp_engine_t *engine = &smh->engines[type];
2638
2639	if (!engine->local_dtls_fingerprint.len) {
2640	if (engine->remote_dtls_fingerprint.type) {
2641	engine->local_dtls_fingerprint.type = engine->remote_dtls_fingerprint.type;
2642	} else {
2643	engine->local_dtls_fingerprint.type = "sha-256";
2644	}
2645	switch_core_cert_gen_fingerprint(DTLS_SRTP_FNAME"dtls-srtp", &engine->local_dtls_fingerprint);
2646	}
2647	}
2648
2649	//?
2650	static int dtls_ok(switch_core_session_t *session)
2651	{
2652	return switch_channel_test_flag(session->channel, CF_DTLS_OK);
2653	}
2654
2655	#ifdef _MSC_VER
2656	/* remove this if the break is removed from the following for loop which causes unreachable code loop */
2657	/* for (i = 0; i < engine->cand_acl_count; i++) { */
2658	#pragma warning(push)
2659	#pragma warning(disable:4702)
2660	#endif
2661
2662	//?
2663	SWITCH_DECLARE(switch_call_direction_t)__attribute__((visibility("default"))) switch_call_direction_t switch_ice_direction(switch_core_session_t *session)
2664	{
2665	switch_call_direction_t r = switch_channel_direction(session->channel);
2666
2667	if (switch_channel_test_flag(session->channel, CF_3PCC)) {
2668	r = (r == SWITCH_CALL_DIRECTION_INBOUND) ? SWITCH_CALL_DIRECTION_OUTBOUND : SWITCH_CALL_DIRECTION_INBOUND;
2669	}
2670
2671	if ((switch_channel_test_flag(session->channel, CF_REINVITE) \|\| switch_channel_test_flag(session->channel, CF_RECOVERING))
2672	&& switch_channel_test_flag(session->channel, CF_WEBRTC)) {
2673	r = SWITCH_CALL_DIRECTION_OUTBOUND;
2674	}
2675
2676	return r;
2677	}
2678
2679	//?
2680	static void check_ice(switch_media_handle_t smh, switch_media_type_t type, sdp_session_t sdp, sdp_media_t *m)
2681	{
2682	switch_rtp_engine_t *engine = &smh->engines[type];
2683	sdp_attribute_t *attr;
2684	int i = 0, got_rtcp_mux = 0;
2685	const char *val;
2686
2687	if (engine->ice_in.chosen[0] && engine->ice_in.chosen[1] && !switch_channel_test_flag(smh->session->channel, CF_REINVITE)) {
2688	return;
2689	}
2690
2691	engine->ice_in.chosen[0] = 0;
2692	engine->ice_in.chosen[1] = 0;
2693	engine->ice_in.cand_idx = 0;
2694
2695	if (m) {
2696	attr = m->m_attributes;
2697	} else {
2698	attr = sdp->sdp_attributes;
2699	}
2700
2701	for (; attr; attr = attr->a_next) {
2702	char *data;
2703	char *fields[15];
2704	int argc = 0, j = 0;
2705	int cid = 0;
2706
2707	if (zstr(attr->a_name)_zstr(attr->a_name)) {
2708	continue;
2709	}
2710
2711	if (!strcasecmp(attr->a_name, "ice-ufrag")) {
2712	engine->ice_in.ufrag = switch_core_session_strdup(smh->session, attr->a_value)switch_core_perform_session_strdup(smh->session, attr-> a_value, "src/switch_core_media.c", (const char *)__func__, 2712 );
2713	} else if (!strcasecmp(attr->a_name, "ice-pwd")) {
2714	engine->ice_in.pwd = switch_core_session_strdup(smh->session, attr->a_value)switch_core_perform_session_strdup(smh->session, attr-> a_value, "src/switch_core_media.c", (const char *)__func__, 2714 );
2715	} else if (!strcasecmp(attr->a_name, "ice-options")) {
2716	engine->ice_in.options = switch_core_session_strdup(smh->session, attr->a_value)switch_core_perform_session_strdup(smh->session, attr-> a_value, "src/switch_core_media.c", (const char *)__func__, 2716 );
2717
2718	} else if (switch_rtp_has_dtls() && dtls_ok(smh->session) && !strcasecmp(attr->a_name, "fingerprint") && !zstr(attr->a_value)_zstr(attr->a_value)) {
2719	char *p;
2720
2721	engine->remote_dtls_fingerprint.type = switch_core_session_strdup(smh->session, attr->a_value)switch_core_perform_session_strdup(smh->session, attr-> a_value, "src/switch_core_media.c", (const char *)__func__, 2721 );
2722
2723	if ((p = strchr(engine->remote_dtls_fingerprint.type, ' ')(__extension__ (__builtin_constant_p (' ') && !__builtin_constant_p (engine->remote_dtls_fingerprint.type) && (' ') == '\0' ? (char *) __rawmemchr (engine->remote_dtls_fingerprint .type, ' ') : __builtin_strchr (engine->remote_dtls_fingerprint .type, ' '))))) {
2724	*p++ = '\0';
2725	switch_set_string(engine->local_dtls_fingerprint.str, p)switch_copy_string(engine->local_dtls_fingerprint.str, p, sizeof (engine->local_dtls_fingerprint.str));
2726	}
2727
2728	//if (strcasecmp(engine->remote_dtls_fingerprint.type, "sha-256")) {
2729	// switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session), SWITCH_LOG_WARNING, "Unsupported fingerprint type.\n");
2730	//engine->local_dtls_fingerprint.type = NULL;
2731	//engine->remote_dtls_fingerprint.type = NULL;
2732	//}
2733
2734
2735	generate_local_fingerprint(smh, type);
2736	switch_channel_set_flag(smh->session->channel, CF_DTLS)switch_channel_set_flag_value(smh->session->channel, CF_DTLS , 1);
2737
2738	} else if (!engine->remote_ssrc && !strcasecmp(attr->a_name, "ssrc") && attr->a_value) {
2739	engine->remote_ssrc = (uint32_t) atol(attr->a_value);
2740
2741	if (engine->rtp_session && engine->remote_ssrc) {
2742	switch_rtp_set_remote_ssrc(engine->rtp_session, engine->remote_ssrc);
2743	}
2744
2745
2746	#ifdef RTCP_MUX
2747	} else if (!strcasecmp(attr->a_name, "rtcp-mux")) {
2748	engine->rtcp_mux = SWITCH_TRUE;
2749	engine->remote_rtcp_port = engine->cur_payload_map->remote_sdp_port;
2750	got_rtcp_mux++;
2751	#endif
2752	} else if (!strcasecmp(attr->a_name, "candidate")) {
2753	switch_channel_set_flag(smh->session->channel, CF_ICE)switch_channel_set_flag_value(smh->session->channel, CF_ICE , 1);
2754
2755	if (!engine->cand_acl_count) {
2756	engine->cand_acl[engine->cand_acl_count++] = "wan.auto";
2757	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2757, (const char)(smh->session), SWITCH_LOG_WARNING, "NO candidate ACL defined, Defaulting to wan.auto\n");
2758	}
2759
2760
2761	if (!switch_stristr(" udp ", attr->a_value)) {
2762	continue;
2763	}
2764
2765	data = switch_core_session_strdup(smh->session, attr->a_value)switch_core_perform_session_strdup(smh->session, attr-> a_value, "src/switch_core_media.c", (const char *)__func__, 2765 );
2766
2767	argc = switch_split(data, ' ', fields)switch_separate_string(data, ' ', fields, (sizeof(fields) / sizeof (fields[0])));
2768
2769	if (argc < 5 \|\| engine->ice_in.cand_idx >= MAX_CAND50 - 1) {
2770	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2770, (const char)(smh->session), SWITCH_LOG_WARNING, "Invalid data\n");
2771	continue;
2772	}
2773
2774	cid = atoi(fields[1]) - 1;
2775
2776
2777	for (i = 0; i < argc; i++) {
2778	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2778, (const char)(smh->session), SWITCH_LOG_DEBUG1, "CAND %d [%s]\n", i, fields[i]);
2779	}
2780
2781	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2781, (const char)(smh->session), SWITCH_LOG_DEBUG,
2782	"Checking Candidate cid: %d proto: %s type: %s addr: %s:%s\n", cid+1, fields[2], fields[7], fields[4], fields[5]);
2783
2784
2785	engine->ice_in.cand_idx++;
2786
2787	for (i = 0; i < engine->cand_acl_count; i++) {
2788	if (!engine->ice_in.chosen[cid] && switch_check_network_list_ip(fields[4], engine->cand_acl[i])switch_check_network_list_ip_token(fields[4], engine->cand_acl [i], ((void*)0))) {
2789	engine->ice_in.chosen[cid] = engine->ice_in.cand_idx;
2790	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2790, (const char)(smh->session), SWITCH_LOG_NOTICE,
2791	"Choose %s Candidate cid: %d proto: %s type: %s addr: %s:%s\n",
2792	type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio",
2793	cid+1, fields[2], fields[7], fields[4], fields[5]);
2794	} else {
2795	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2795, (const char)(smh->session), SWITCH_LOG_NOTICE,
2796	"Save %s Candidate cid: %d proto: %s type: %s addr: %s:%s\n",
2797	type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio",
2798	cid+1, fields[2], fields[7], fields[4], fields[5]);
2799	}
2800
2801	engine->ice_in.cands[engine->ice_in.cand_idx][cid].foundation = switch_core_session_strdup(smh->session, fields[0])switch_core_perform_session_strdup(smh->session, fields[0] , "src/switch_core_media.c", (const char *)__func__, 2801);
2802	engine->ice_in.cands[engine->ice_in.cand_idx][cid].component_id = atoi(fields[1]);
2803	engine->ice_in.cands[engine->ice_in.cand_idx][cid].transport = switch_core_session_strdup(smh->session, fields[2])switch_core_perform_session_strdup(smh->session, fields[2] , "src/switch_core_media.c", (const char *)__func__, 2803);
2804	engine->ice_in.cands[engine->ice_in.cand_idx][cid].priority = atol(fields[3]);
2805	engine->ice_in.cands[engine->ice_in.cand_idx][cid].con_addr = switch_core_session_strdup(smh->session, fields[4])switch_core_perform_session_strdup(smh->session, fields[4] , "src/switch_core_media.c", (const char *)__func__, 2805);
2806	engine->ice_in.cands[engine->ice_in.cand_idx][cid].con_port = (switch_port_t)atoi(fields[5]);
2807
2808
2809	j = 6;
2810
2811	while(j < argc && fields[j+1]) {
2812	if (!strcasecmp(fields[j], "typ")) {
2813	engine->ice_in.cands[engine->ice_in.cand_idx][cid].cand_type = switch_core_session_strdup(smh->session, fields[j+1])switch_core_perform_session_strdup(smh->session, fields[j+ 1], "src/switch_core_media.c", (const char *)__func__, 2813);
2814	} else if (!strcasecmp(fields[j], "raddr")) {
2815	engine->ice_in.cands[engine->ice_in.cand_idx][cid].raddr = switch_core_session_strdup(smh->session, fields[j+1])switch_core_perform_session_strdup(smh->session, fields[j+ 1], "src/switch_core_media.c", (const char *)__func__, 2815);
2816	} else if (!strcasecmp(fields[j], "rport")) {
2817	engine->ice_in.cands[engine->ice_in.cand_idx][cid].rport = (switch_port_t)atoi(fields[j+1]);
2818	} else if (!strcasecmp(fields[j], "generation")) {
2819	engine->ice_in.cands[engine->ice_in.cand_idx][cid].generation = switch_core_session_strdup(smh->session, fields[j+1])switch_core_perform_session_strdup(smh->session, fields[j+ 1], "src/switch_core_media.c", (const char *)__func__, 2819);
2820	}
2821
2822	j += 2;
2823	}
2824
2825
2826	if (engine->ice_in.chosen[cid]) {
2827	engine->ice_in.cands[engine->ice_in.chosen[cid]][cid].ready++;
2828	}
2829
2830	break;
2831	}
2832	}
2833
2834	}
2835
2836	/* still no candidates, so start searching for some based on sane deduction */
2837
2838	/* look for candidates on the same network */
2839	if (!engine->ice_in.chosen[0] \|\| !engine->ice_in.chosen[1]) {
2840	for (i = 0; i <= engine->ice_in.cand_idx && (!engine->ice_in.chosen[0] \|\| !engine->ice_in.chosen[1]); i++) {
2841	if (!engine->ice_in.chosen[0] && engine->ice_in.cands[i][0].component_id == 1 &&
2842	!engine->ice_in.cands[i][0].rport && switch_check_network_list_ip(engine->ice_in.cands[i][0].con_addr, "localnet.auto")switch_check_network_list_ip_token(engine->ice_in.cands[i] [0].con_addr, "localnet.auto", ((void*)0))) {
2843	engine->ice_in.chosen[0] = i;
2844	engine->ice_in.cands[engine->ice_in.chosen[0]][0].ready++;
2845	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2845, (const char)(smh->session), SWITCH_LOG_NOTICE,
2846	"No %s RTP candidate found; defaulting to the first local one.\n", type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio");
2847	}
2848	if (!engine->ice_in.chosen[1] && engine->ice_in.cands[i][1].component_id == 2 &&
2849	!engine->ice_in.cands[i][1].rport && switch_check_network_list_ip(engine->ice_in.cands[i][1].con_addr, "localnet.auto")switch_check_network_list_ip_token(engine->ice_in.cands[i] [1].con_addr, "localnet.auto", ((void*)0))) {
2850	engine->ice_in.chosen[1] = i;
2851	engine->ice_in.cands[engine->ice_in.chosen[1]][1].ready++;
2852	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2852, (const char)(smh->session),SWITCH_LOG_NOTICE,
2853	"No %s RTCP candidate found; defaulting to the first local one.\n", type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio");
2854	}
2855	}
2856	}
2857
2858	/* look for candidates with srflx */
2859	if (!engine->ice_in.chosen[0] \|\| !engine->ice_in.chosen[1]) {
2860	for (i = 0; i <= engine->ice_in.cand_idx && (!engine->ice_in.chosen[0] \|\| !engine->ice_in.chosen[1]); i++) {
2861	if (!engine->ice_in.chosen[0] && engine->ice_in.cands[i][0].component_id == 1 && engine->ice_in.cands[i][0].rport) {
2862	engine->ice_in.chosen[0] = i;
2863	engine->ice_in.cands[engine->ice_in.chosen[0]][0].ready++;
2864	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2864, (const char)(smh->session), SWITCH_LOG_NOTICE,
2865	"No %s RTP candidate found; defaulting to the first srflx one.\n", type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio");
2866	}
2867	if (!engine->ice_in.chosen[1] && engine->ice_in.cands[i][1].component_id == 2 && engine->ice_in.cands[i][1].rport) {
2868	engine->ice_in.chosen[1] = i;
2869	engine->ice_in.cands[engine->ice_in.chosen[1]][1].ready++;
2870	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2870, (const char)(smh->session),SWITCH_LOG_NOTICE,
2871	"No %s RTCP candidate found; defaulting to the first srflx one.\n", type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio");
2872	}
2873	}
2874	}
2875
2876	/* Got RTP but not RTCP, probably mux */
2877	if (engine->ice_in.chosen[0] && !engine->ice_in.chosen[1] && got_rtcp_mux) {
2878	engine->ice_in.chosen[1] = engine->ice_in.chosen[0];
2879
2880	memcpy(&engine->ice_in.cands[engine->ice_in.chosen[1]][1], &engine->ice_in.cands[engine->ice_in.chosen[0]][0],
2881	sizeof(engine->ice_in.cands[engine->ice_in.chosen[0]][0]));
2882	engine->ice_in.cands[engine->ice_in.chosen[1]][1].ready++;
2883
2884	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2884, (const char)(smh->session), SWITCH_LOG_NOTICE,
2885	"No %s RTCP candidate found; defaulting to the same as RTP [%s:%d]\n", type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio",
2886	engine->ice_in.cands[engine->ice_in.chosen[1]][1].con_addr, engine->ice_in.cands[engine->ice_in.chosen[1]][1].con_port);
2887	}
2888
2889	/* look for any candidates and hope for auto-adjust */
2890	if (!engine->ice_in.chosen[0] \|\| !engine->ice_in.chosen[1]) {
2891	for (i = 0; i <= engine->ice_in.cand_idx && (!engine->ice_in.chosen[0] \|\| !engine->ice_in.chosen[1]); i++) {
2892	if (!engine->ice_in.chosen[0] && engine->ice_in.cands[i][0].component_id == 1) {
2893	engine->ice_in.chosen[0] = i;
2894	engine->ice_in.cands[engine->ice_in.chosen[0]][0].ready++;
2895	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2895, (const char)(smh->session), SWITCH_LOG_NOTICE,
2896	"No %s RTP candidate found; defaulting to the first one.\n", type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio");
2897	}
2898	if (!engine->ice_in.chosen[1] && engine->ice_in.cands[i][1].component_id == 2) {
2899	engine->ice_in.chosen[1] = i;
2900	engine->ice_in.cands[engine->ice_in.chosen[1]][1].ready++;
2901	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2901, (const char)(smh->session), SWITCH_LOG_NOTICE,
2902	"No %s RTCP candidate found; defaulting to the first one.\n", type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio");
2903	}
2904	}
2905	}
2906
2907	for (i = 0; i < 2; i++) {
2908	if (engine->ice_in.cands[engine->ice_in.chosen[i]][i].ready) {
2909	if (zstr(engine->ice_in.ufrag)_zstr(engine->ice_in.ufrag) \|\| zstr(engine->ice_in.pwd)_zstr(engine->ice_in.pwd)) {
2910	engine->ice_in.cands[engine->ice_in.chosen[i]][i].ready = 0;
2911	}
2912	}
2913	}
2914
2915
2916	if (engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_addr && engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_port) {
2917	char tmp[80] = "";
2918	engine->cur_payload_map->remote_sdp_ip = switch_core_session_strdup(smh->session, (char ) engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_addr)switch_core_perform_session_strdup(smh->session, (char ) engine ->ice_in.cands[engine->ice_in.chosen[0]][0].con_addr, "src/switch_core_media.c" , (const char *)__func__, 2918);
2919	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2919, (const char)(smh->session), SWITCH_LOG_NOTICE,
2920	"setting remote %s ice addr to %s:%d based on candidate\n", type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio",
2921	engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_addr, engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_port);
2922	engine->ice_in.cands[engine->ice_in.chosen[0]][0].ready++;
2923
2924	engine->remote_rtp_ice_port = (switch_port_t) engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_port;
2925	engine->remote_rtp_ice_addr = switch_core_session_strdup(smh->session, engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_addr)switch_core_perform_session_strdup(smh->session, engine-> ice_in.cands[engine->ice_in.chosen[0]][0].con_addr, "src/switch_core_media.c" , (const char *)__func__, 2925);
2926
2927	engine->cur_payload_map->remote_sdp_ip = switch_core_session_strdup(smh->session, (char ) engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_addr)switch_core_perform_session_strdup(smh->session, (char ) engine ->ice_in.cands[engine->ice_in.chosen[0]][0].con_addr, "src/switch_core_media.c" , (const char *)__func__, 2927);
2928	engine->cur_payload_map->remote_sdp_port = (switch_port_t) engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_port;
2929	if (engine->remote_rtcp_port) {
2930	engine->remote_rtcp_port = engine->cur_payload_map->remote_sdp_port;
2931	}
2932
2933	switch_snprintf(tmp, sizeof(tmp), "%d", engine->cur_payload_map->remote_sdp_port);
2934	switch_channel_set_variable(smh->session->channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE, engine->cur_payload_map->remote_sdp_ip)switch_channel_set_variable_var_check(smh->session->channel , "remote_media_ip", engine->cur_payload_map->remote_sdp_ip , SWITCH_TRUE);
2935	switch_channel_set_variable(smh->session->channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE, tmp)switch_channel_set_variable_var_check(smh->session->channel , "remote_media_port", tmp, SWITCH_TRUE);
2936	}
2937
2938	if (engine->ice_in.cands[engine->ice_in.chosen[1]][1].con_port) {
2939	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2939, (const char)(smh->session), SWITCH_LOG_NOTICE,
2940	"setting remote rtcp %s addr to %s:%d based on candidate\n", type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio",
2941	engine->ice_in.cands[engine->ice_in.chosen[1]][1].con_addr, engine->ice_in.cands[engine->ice_in.chosen[1]][1].con_port);
2942	engine->remote_rtcp_ice_port = engine->ice_in.cands[engine->ice_in.chosen[1]][1].con_port;
2943	engine->remote_rtcp_ice_addr = switch_core_session_strdup(smh->session, engine->ice_in.cands[engine->ice_in.chosen[1]][1].con_addr)switch_core_perform_session_strdup(smh->session, engine-> ice_in.cands[engine->ice_in.chosen[1]][1].con_addr, "src/switch_core_media.c" , (const char *)__func__, 2943);
2944
2945	engine->remote_rtcp_port = engine->ice_in.cands[engine->ice_in.chosen[1]][1].con_port;
2946	}
2947
2948
2949	if (m && !got_rtcp_mux) {
2950	engine->rtcp_mux = -1;
2951	}
2952
2953	if (switch_channel_test_flag(smh->session->channel, CF_REINVITE)) {
2954
2955	if (switch_rtp_ready(engine->rtp_session) && engine->ice_in.cands[engine->ice_in.chosen[0]][0].ready) {
2956	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2956, (const char)(smh->session), SWITCH_LOG_INFO, "RE-Activating %s ICE\n", type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio");
2957
2958	switch_rtp_activate_ice(engine->rtp_session,
2959	engine->ice_in.ufrag,
2960	engine->ice_out.ufrag,
2961	engine->ice_out.pwd,
2962	engine->ice_in.pwd,
2963	IPR_RTP,
2964	#ifdef GOOGLE_ICE
2965	ICE_GOOGLE_JINGLE,
2966	NULL((void*)0)
2967	#else
2968	switch_ice_direction(smh->session) ==
2969	SWITCH_CALL_DIRECTION_OUTBOUND ? ICE_VANILLA : (ICE_VANILLA \| ICE_CONTROLLED),
2970	&engine->ice_in
2971	#endif
2972	);
2973
2974
2975
2976	}
2977
2978
2979	if (engine->rtp_session && ((val = switch_channel_get_variable(smh->session->channel,switch_channel_get_variable_dup(smh->session->channel, type == SWITCH_MEDIA_TYPE_VIDEO ? "rtcp_video_interval_msec" : "rtcp_audio_interval_msec" , SWITCH_TRUE, -1)
2980	type == SWITCH_MEDIA_TYPE_VIDEO ?switch_channel_get_variable_dup(smh->session->channel, type == SWITCH_MEDIA_TYPE_VIDEO ? "rtcp_video_interval_msec" : "rtcp_audio_interval_msec" , SWITCH_TRUE, -1)
2981	"rtcp_video_interval_msec" : "rtcp_audio_interval_msec")switch_channel_get_variable_dup(smh->session->channel, type == SWITCH_MEDIA_TYPE_VIDEO ? "rtcp_video_interval_msec" : "rtcp_audio_interval_msec" , SWITCH_TRUE, -1))
2982	\|\| (val = type == SWITCH_MEDIA_TYPE_VIDEO ?
2983	smh->mparams->rtcp_video_interval_msec : smh->mparams->rtcp_audio_interval_msec))) {
2984
2985	switch_port_t remote_rtcp_port = engine->remote_rtcp_port;
2986
2987	if (remote_rtcp_port) {
2988	if (!strcasecmp(val, "passthru")) {
2989	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2989, (const char)(smh->session), SWITCH_LOG_INFO, "Activating %s RTCP PASSTHRU PORT %d\n",
2990	type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio", remote_rtcp_port);
2991	switch_rtp_activate_rtcp(engine->rtp_session, -1, remote_rtcp_port, engine->rtcp_mux > 0);
2992	} else {
2993	int interval = atoi(val);
2994	if (interval < 100 \|\| interval > 500000) {
2995	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 2995, (const char)(smh->session), SWITCH_LOG_ERROR,
2996	"Invalid rtcp interval spec [%d] must be between 100 and 500000\n", interval);
2997	interval = 10000;
2998	}
2999
3000	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3000, (const char)(smh->session), SWITCH_LOG_INFO, "Activating %s RTCP PORT %d\n", type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio", remote_rtcp_port);
3001	switch_rtp_activate_rtcp(engine->rtp_session, interval, remote_rtcp_port, engine->rtcp_mux > 0);
3002	}
3003	}
3004	}
3005
3006	if (engine->rtp_session && engine->ice_in.cands[engine->ice_in.chosen[1]][1].ready) {
3007	if (engine->rtcp_mux > 0 && !strcmp(engine->ice_in.cands[engine->ice_in.chosen[1]][1].con_addr, engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_addr)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (engine->ice_in.cands[engine->ice_in.chosen[1]][1].con_addr ) && __builtin_constant_p (engine->ice_in.cands[engine ->ice_in.chosen[0]][0].con_addr) && (__s1_len = __builtin_strlen (engine->ice_in.cands[engine->ice_in.chosen[1]][1].con_addr ), __s2_len = __builtin_strlen (engine->ice_in.cands[engine ->ice_in.chosen[0]][0].con_addr), (!((size_t)(const void * )((engine->ice_in.cands[engine->ice_in.chosen[1]][1].con_addr ) + 1) - (size_t)(const void )(engine->ice_in.cands[engine ->ice_in.chosen[1]][1].con_addr) == 1) \|\| __s1_len >= 4 ) && (!((size_t)(const void )((engine->ice_in.cands [engine->ice_in.chosen[0]][0].con_addr) + 1) - (size_t)(const void )(engine->ice_in.cands[engine->ice_in.chosen[0]] [0].con_addr) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp ( engine->ice_in.cands[engine->ice_in.chosen[1]][1].con_addr , engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_addr ) : (__builtin_constant_p (engine->ice_in.cands[engine-> ice_in.chosen[1]][1].con_addr) && ((size_t)(const void )((engine->ice_in.cands[engine->ice_in.chosen[1]][1]. con_addr) + 1) - (size_t)(const void )(engine->ice_in.cands [engine->ice_in.chosen[1]][1].con_addr) == 1) && ( __s1_len = __builtin_strlen (engine->ice_in.cands[engine-> ice_in.chosen[1]][1].con_addr), __s1_len < 4) ? (__builtin_constant_p (engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_addr ) && ((size_t)(const void )((engine->ice_in.cands [engine->ice_in.chosen[0]][0].con_addr) + 1) - (size_t)(const void )(engine->ice_in.cands[engine->ice_in.chosen[0]] [0].con_addr) == 1) ? __builtin_strcmp (engine->ice_in.cands [engine->ice_in.chosen[1]][1].con_addr, engine->ice_in. cands[engine->ice_in.chosen[0]][0].con_addr) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (engine->ice_in.cands[engine->ice_in.chosen[0] ][0].con_addr); int __result = (((const unsigned char ) (const char ) (engine->ice_in.cands[engine->ice_in.chosen[1] ][1].con_addr))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (engine->ice_in.cands[engine->ice_in.chosen[1] ][1].con_addr))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (engine->ice_in.cands[engine->ice_in.chosen[1] ][1].con_addr))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (engine->ice_in.cands[engine->ice_in.chosen[1]][1]. con_addr))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_addr ) && ((size_t)(const void )((engine->ice_in.cands [engine->ice_in.chosen[0]][0].con_addr) + 1) - (size_t)(const void )(engine->ice_in.cands[engine->ice_in.chosen[0]] [0].con_addr) == 1) && (__s2_len = __builtin_strlen ( engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_addr ), __s2_len < 4) ? (__builtin_constant_p (engine->ice_in .cands[engine->ice_in.chosen[1]][1].con_addr) && ( (size_t)(const void )((engine->ice_in.cands[engine->ice_in .chosen[1]][1].con_addr) + 1) - (size_t)(const void )(engine ->ice_in.cands[engine->ice_in.chosen[1]][1].con_addr) == 1) ? __builtin_strcmp (engine->ice_in.cands[engine->ice_in .chosen[1]][1].con_addr, engine->ice_in.cands[engine->ice_in .chosen[0]][0].con_addr) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (engine-> ice_in.cands[engine->ice_in.chosen[1]][1].con_addr); int __result = (((const unsigned char ) (const char ) (engine->ice_in .cands[engine->ice_in.chosen[0]][0].con_addr))[0] - __s2[0 ]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (engine->ice_in. cands[engine->ice_in.chosen[0]][0].con_addr))[1] - __s2[1] ); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (engine->ice_in. cands[engine->ice_in.chosen[0]][0].con_addr))[2] - __s2[2] ); if (__s2_len > 2 && __result == 0) __result = ( ((const unsigned char ) (const char *) (engine->ice_in.cands [engine->ice_in.chosen[0]][0].con_addr))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (engine->ice_in.cands[ engine->ice_in.chosen[1]][1].con_addr, engine->ice_in.cands [engine->ice_in.chosen[0]][0].con_addr)))); })
3008	&& engine->ice_in.cands[engine->ice_in.chosen[1]][1].con_port == engine->ice_in.cands[engine->ice_in.chosen[0]][0].con_port) {
3009	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3009, (const char)(smh->session), SWITCH_LOG_INFO, "Skipping %s RTCP ICE (Same as RTP)\n", type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio");
3010	} else {
3011	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3011, (const char)(smh->session), SWITCH_LOG_INFO, "Activating %s RTCP ICE\n", type2str(type)type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio");
3012
3013	switch_rtp_activate_ice(engine->rtp_session,
3014	engine->ice_in.ufrag,
3015	engine->ice_out.ufrag,
3016	engine->ice_out.pwd,
3017	engine->ice_in.pwd,
3018	IPR_RTCP,
3019	#ifdef GOOGLE_ICE
3020	ICE_GOOGLE_JINGLE,
3021	NULL((void*)0)
3022	#else
3023	switch_ice_direction(smh->session) ==
3024	SWITCH_CALL_DIRECTION_OUTBOUND ? ICE_VANILLA : (ICE_VANILLA \| ICE_CONTROLLED),
3025	&engine->ice_in
3026	#endif
3027	);
3028	}
3029
3030	}
3031
3032	}
3033	}
3034	#ifdef _MSC_VER
3035	#pragma warning(pop)
3036	#endif
3037
3038	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_session_set_ice(switch_core_session_t *session)
3039	{
3040	switch_media_handle_t *smh;
3041
3042	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 3042, __PRETTY_FUNCTION__));
3043
3044	if (!(smh = session->media_handle)) {
3045	return;
3046	}
3047
3048	switch_channel_set_flag(session->channel, CF_VERBOSE_SDP)switch_channel_set_flag_value(session->channel, CF_VERBOSE_SDP , 1);
3049	switch_channel_set_flag(session->channel, CF_WEBRTC)switch_channel_set_flag_value(session->channel, CF_WEBRTC, 1);
3050	switch_channel_set_flag(session->channel, CF_ICE)switch_channel_set_flag_value(session->channel, CF_ICE, 1);
3051	smh->mparams->rtcp_audio_interval_msec = "10000";
3052	smh->mparams->rtcp_video_interval_msec = "10000";
3053
3054	}
3055
3056	#define MAX_MATCHES30 30
3057	struct matches {
3058	const switch_codec_implementation_t *imp;
3059	sdp_rtpmap_t *map;
3060	int rate;
3061	int codec_idx;
3062	};
3063
3064	static void greedy_sort(switch_media_handle_t smh, struct matches matches, int m_idx, const switch_codec_implementation_t **codec_array, int total_codecs)
3065	{
3066	int j = 0, f = 0, g;
3067	struct matches mtmp[MAX_MATCHES30] = { { 0 } };
3068	for(j = 0; j < m_idx; j++) {
3069	&mtmp[j] = &matches[j];
3070	}
3071	for (g = 0; g < smh->mparams->num_codecs && g < total_codecs; g++) {
3072	const switch_codec_implementation_t *imp = codec_array[g];
3073
3074	for(j = 0; j < m_idx; j++) {
3075	if (mtmp[j].imp == imp) {
3076	&matches[f++] = &mtmp[j];
3077	}
3078	}
3079	}
3080	}
3081
3082	static void clear_pmaps(switch_rtp_engine_t *engine)
3083	{
3084	payload_map_t *pmap;
3085
3086	for (pmap = engine->payload_map; pmap && pmap->allocated; pmap = pmap->next) {
3087	pmap->negotiated = 0;
3088	pmap->current = 0;
3089	}
3090	}
3091
3092	//?
3093	SWITCH_DECLARE(uint8_t)__attribute__((visibility("default"))) uint8_t switch_core_media_negotiate_sdp(switch_core_session_t session, const char r_sdp, uint8_t *proceed, switch_sdp_type_t sdp_type)
3094	{
3095	uint8_t match = 0;
3096	switch_payload_t best_te = 0, te = 0, cng_pt = 0;
3097	sdp_media_t *m;
3098	sdp_attribute_t *attr;
3099	int ptime = 0, dptime = 0, maxptime = 0, dmaxptime = 0;
3100	int sendonly = 0, recvonly = 0;
3101	int greedy = 0, x = 0, skip = 0;
3102	switch_channel_t *channel = switch_core_session_get_channel(session);
3103	const char *val;
3104	const char crypto = NULL((void)0);
3105	int got_crypto = 0, got_video_crypto = 0, got_audio = 0, got_avp = 0, got_video_avp = 0, got_video_savp = 0, got_savp = 0, got_udptl = 0, got_webrtc = 0;
3106	int scrooge = 0;
3107	sdp_parser_t parser = NULL((void)0);
3108	sdp_session_t *sdp;
3109	int reneg = 1;
3110	const switch_codec_implementation_t **codec_array;
3111	int total_codecs;
3112	switch_rtp_engine_t a_engine, v_engine;
3113	switch_media_handle_t *smh;
3114	uint32_t near_rate = 0;
3115	const switch_codec_implementation_t mimp = NULL((void)0), near_match = NULL((void)0);
3116	sdp_rtpmap_t mmap = NULL((void)0), near_map = NULL((void)0);
3117	struct matches matches[MAX_MATCHES30] = { { 0 } };
3118	struct matches near_matches[MAX_MATCHES30] = { { 0 } };
3119	int codec_ms = 0;
3120	uint32_t remote_codec_rate = 0, fmtp_remote_codec_rate = 0;
3121	const char *tmp;
3122	int m_idx = 0;
3123	int nm_idx = 0;
3124
3125	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 3125, __PRETTY_FUNCTION__));
3126
3127	if (!(smh = session->media_handle)) {
3128	return 0;
3129	}
3130
3131	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
3132	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
3133
3134	codec_array = smh->codecs;
3135	total_codecs = smh->mparams->num_codecs;
3136
3137	if (!(parser = sdp_parse(NULL((void*)0), r_sdp, (int) strlen(r_sdp), 0))) {
3138	return 0;
3139	}
3140
3141	if (!(sdp = sdp_session(parser))) {
3142	sdp_parser_free(parser);
3143	return 0;
3144	}
3145
3146	if (dtls_ok(session) && (tmp = switch_channel_get_variable(smh->session->channel, "webrtc_enable_dtls")switch_channel_get_variable_dup(smh->session->channel, "webrtc_enable_dtls" , SWITCH_TRUE, -1)) && switch_false(tmp)) {
3147	switch_channel_clear_flag(smh->session->channel, CF_DTLS_OK);
3148	switch_channel_clear_flag(smh->session->channel, CF_DTLS);
3149	}
3150
3151	switch_core_session_parse_crypto_prefs(session);
3152
3153	clear_pmaps(a_engine);
3154	clear_pmaps(v_engine);
3155
3156	if (proceed) *proceed = 1;
3157
3158	greedy = !!switch_media_handle_test_media_flag(smh, SCMF_CODEC_GREEDY);
3159	scrooge = !!switch_media_handle_test_media_flag(smh, SCMF_CODEC_SCROOGE);
3160
3161	if ((val = switch_channel_get_variable(channel, "rtp_codec_negotiation")switch_channel_get_variable_dup(channel, "rtp_codec_negotiation" , SWITCH_TRUE, -1))) {
3162	if (!strcasecmp(val, "generous")) {
3163	greedy = 0;
3164	scrooge = 0;
3165	} else if (!strcasecmp(val, "greedy")) {
3166	greedy = 1;
3167	scrooge = 0;
3168	} else if (!strcasecmp(val, "scrooge")) {
3169	scrooge = 1;
3170	greedy = 1;
3171	} else {
3172	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3172, (const char)(session), SWITCH_LOG_DEBUG, "rtp_codec_negotiation ignored invalid value : '%s' \n", val );
3173	}
3174	}
3175
3176	if ((smh->origin = switch_core_session_strdup(session, (char ) sdp->sdp_origin->o_username)switch_core_perform_session_strdup(session, (char ) sdp-> sdp_origin->o_username, "src/switch_core_media.c", (const char *)__func__, 3176))) {
3177
3178	if ((smh->mparams->auto_rtp_bugs & RTP_BUG_CISCO_SKIP_MARK_BIT_2833)) {
3179
3180	if (strstr(smh->origin, "CiscoSystemsSIP-GW-UserAgent")) {
3181	a_engine->rtp_bugs \|= RTP_BUG_CISCO_SKIP_MARK_BIT_2833;
3182	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3182, (const char)(session), SWITCH_LOG_DEBUG, "Activate Buggy RFC2833 Mode!\n");
3183	}
3184	}
3185
3186	if ((smh->mparams->auto_rtp_bugs & RTP_BUG_SONUS_SEND_INVALID_TIMESTAMP_2833)) {
3187	if (strstr(smh->origin, "Sonus_UAC")) {
3188	a_engine->rtp_bugs \|= RTP_BUG_SONUS_SEND_INVALID_TIMESTAMP_2833;
3189	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3189, (const char)(session), SWITCH_LOG_WARNING,
3190	"Hello,\nI see you have a Sonus!\n"
3191	"FYI, Sonus cannot follow the RFC on the proper way to send DTMF.\n"
3192	"Sadly, my creator had to spend several hours figuring this out so I thought you'd like to know that!\n"
3193	"Don't worry, DTMF will work but you may want to ask them to fix it......\n");
3194	}
3195	}
3196	}
3197
3198	if ((val = switch_channel_get_variable(session->channel, "rtp_liberal_dtmf")switch_channel_get_variable_dup(session->channel, "rtp_liberal_dtmf" , SWITCH_TRUE, -1)) && switch_true(val)) {
3199	switch_channel_set_flag(session->channel, CF_LIBERAL_DTMF)switch_channel_set_flag_value(session->channel, CF_LIBERAL_DTMF , 1);
3200	}
3201
3202	if (switch_stristr("T38FaxFillBitRemoval:", r_sdp) \|\| switch_stristr("T38FaxTranscodingMMR:", r_sdp) \|\|
3203	switch_stristr("T38FaxTranscodingJBIG:", r_sdp)) {
3204	switch_channel_set_variable(session->channel, "t38_broken_boolean", "true")switch_channel_set_variable_var_check(session->channel, "t38_broken_boolean" , "true", SWITCH_TRUE);
3205	}
3206
3207	switch_core_media_find_zrtp_hash(session, sdp);
3208	switch_core_media_pass_zrtp_hash(session);
3209
3210	check_ice(smh, SWITCH_MEDIA_TYPE_AUDIO, sdp, NULL((void*)0));
3211	check_ice(smh, SWITCH_MEDIA_TYPE_VIDEO, sdp, NULL((void*)0));
3212
3213	if ((sdp->sdp_connection && sdp->sdp_connection->c_address && !strcmp(sdp->sdp_connection->c_address, "0.0.0.0")__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (sdp->sdp_connection->c_address) && __builtin_constant_p ("0.0.0.0") && (__s1_len = __builtin_strlen (sdp-> sdp_connection->c_address), __s2_len = __builtin_strlen ("0.0.0.0" ), (!((size_t)(const void )((sdp->sdp_connection->c_address ) + 1) - (size_t)(const void )(sdp->sdp_connection->c_address ) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )(("0.0.0.0") + 1) - (size_t)(const void )("0.0.0.0") == 1 ) \|\| __s2_len >= 4)) ? __builtin_strcmp (sdp->sdp_connection ->c_address, "0.0.0.0") : (__builtin_constant_p (sdp->sdp_connection ->c_address) && ((size_t)(const void )((sdp->sdp_connection ->c_address) + 1) - (size_t)(const void )(sdp->sdp_connection ->c_address) == 1) && (__s1_len = __builtin_strlen (sdp->sdp_connection->c_address), __s1_len < 4) ? ( __builtin_constant_p ("0.0.0.0") && ((size_t)(const void )(("0.0.0.0") + 1) - (size_t)(const void )("0.0.0.0") == 1 ) ? __builtin_strcmp (sdp->sdp_connection->c_address, "0.0.0.0" ) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) ("0.0.0.0"); int __result = (((const unsigned char ) (const char ) (sdp->sdp_connection->c_address ))[0] - __s2[0]); if (__s1_len > 0 && __result == 0 ) { __result = (((const unsigned char ) (const char ) (sdp-> sdp_connection->c_address))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (sdp->sdp_connection->c_address))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (sdp->sdp_connection ->c_address))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ("0.0.0.0") && ((size_t)(const void )(("0.0.0.0") + 1) - (size_t)(const void )("0.0.0.0") == 1) && (__s2_len = __builtin_strlen ("0.0.0.0"), __s2_len < 4) ? (__builtin_constant_p (sdp->sdp_connection->c_address) && ((size_t)( const void )((sdp->sdp_connection->c_address) + 1) - ( size_t)(const void )(sdp->sdp_connection->c_address) == 1) ? __builtin_strcmp (sdp->sdp_connection->c_address, "0.0.0.0") : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (sdp->sdp_connection ->c_address); int __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (sdp->sdp_connection->c_address, "0.0.0.0")))); }))) {
3214	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3214, (const char)(session), SWITCH_LOG_WARNING, "RFC2543 from March 1999 called; They want their 0.0.0.0 hold method back.....\n");
3215	sendonly = 2; /* global sendonly always wins */
3216	}
3217
3218	for (m = sdp->sdp_media; m; m = m->m_next) {
3219	sdp_connection_t *connection;
3220	switch_core_session_t *other_session;
3221
3222	if (!m->m_port) {
3223	continue;
3224	}
3225
3226	ptime = dptime;
3227	maxptime = dmaxptime;
3228
3229	if (m->m_proto == sdp_proto_extended_srtp) {
3230	got_webrtc++;
3231	switch_core_session_set_ice(session);
3232	}
3233
3234	if (m->m_proto_name && !strcasecmp(m->m_proto_name, "UDP/TLS/RTP/SAVPF")) {
3235	switch_channel_set_flag(session->channel, CF_WEBRTC_MOZ)switch_channel_set_flag_value(session->channel, CF_WEBRTC_MOZ , 1);
3236	}
3237
3238	if (m->m_proto == sdp_proto_srtp \|\| m->m_proto == sdp_proto_extended_srtp) {
3239	if (m->m_type == sdp_media_audio) {
3240	got_savp++;
3241	} else {
3242	got_video_savp++;
3243	}
3244	} else if (m->m_proto == sdp_proto_rtp) {
3245	if (m->m_type == sdp_media_audio) {
3246	got_avp++;
3247	} else {
3248	got_video_avp++;
3249	}
3250	} else if (m->m_proto == sdp_proto_udptl) {
3251	got_udptl++;
3252	}
3253
3254	if (got_udptl && m->m_type == sdp_media_image && m->m_port) {
3255	switch_t38_options_t *t38_options = switch_core_media_process_udptl(session, sdp, m);
3256
3257	if (switch_channel_test_app_flag_key("T38", session->channel, CF_APP_T38_NEGOTIATED)) {
3258	match = 1;
3259	goto done;
3260	}
3261
3262	if (switch_true(switch_channel_get_variable(channel, "refuse_t38")switch_channel_get_variable_dup(channel, "refuse_t38", SWITCH_TRUE , -1))) {
3263	switch_channel_clear_app_flag_key("T38", session->channel, CF_APP_T38);
3264	match = 0;
3265	goto done;
3266	} else {
3267	const char *var = switch_channel_get_variable(channel, "t38_passthru")switch_channel_get_variable_dup(channel, "t38_passthru", SWITCH_TRUE , -1);
3268	int pass = switch_channel_test_flag(smh->session->channel, CF_T38_PASSTHRU);
3269
3270
3271	if (switch_channel_test_app_flag_key("T38", session->channel, CF_APP_T38)) {
3272	if (proceed) *proceed = 0;
3273	}
3274
3275	if (var) {
3276	if (!(pass = switch_true(var))) {
3277	if (!strcasecmp(var, "once")) {
3278	pass = 2;
3279	}
3280	}
3281	}
3282
3283	if ((pass == 2 && switch_channel_test_flag(smh->session->channel, CF_T38_PASSTHRU))
3284	\|\| !switch_channel_test_flag(session->channel, CF_REINVITE) \|\|
3285
3286	switch_channel_test_flag(session->channel, CF_PROXY_MODE) \|\|
3287	switch_channel_test_flag(session->channel, CF_PROXY_MEDIA) \|\|
3288	!switch_rtp_ready(a_engine->rtp_session)) {
3289	pass = 0;
3290	}
3291
3292	if (pass && switch_core_session_get_partner(session, &other_session)switch_core_session_perform_get_partner(session, &other_session , "src/switch_core_media.c", (const char *)__func__, 3292) == SWITCH_STATUS_SUCCESS) {
3293	switch_channel_t *other_channel = switch_core_session_get_channel(other_session);
3294	switch_core_session_message_t *msg;
3295	char *remote_host = switch_rtp_get_remote_host(a_engine->rtp_session);
3296	switch_port_t remote_port = switch_rtp_get_remote_port(a_engine->rtp_session);
3297	char tmp[32] = "";
3298
3299
3300	if (!switch_channel_test_flag(other_channel, CF_ANSWERED)) {
3301	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3301, (const char)(session),
3302	SWITCH_LOG_WARNING, "%s Error Passing T.38 to unanswered channel %s\n",
3303	switch_channel_get_name(session->channel), switch_channel_get_name(other_channel));
3304	switch_core_session_rwunlock(other_session);
3305
3306	pass = 0;
3307	match = 0;
3308	goto done;
3309	}
3310
3311
3312	if (switch_true(switch_channel_get_variable(session->channel, "t38_broken_boolean")switch_channel_get_variable_dup(session->channel, "t38_broken_boolean" , SWITCH_TRUE, -1)) &&
3313	switch_true(switch_channel_get_variable(session->channel, "t38_pass_broken_boolean")switch_channel_get_variable_dup(session->channel, "t38_pass_broken_boolean" , SWITCH_TRUE, -1))) {
3314	switch_channel_set_variable(other_channel, "t38_broken_boolean", "true")switch_channel_set_variable_var_check(other_channel, "t38_broken_boolean" , "true", SWITCH_TRUE);
3315	}
3316
3317	a_engine->cur_payload_map->remote_sdp_ip = switch_core_session_strdup(session, t38_options->remote_ip)switch_core_perform_session_strdup(session, t38_options->remote_ip , "src/switch_core_media.c", (const char *)__func__, 3317);
3318	a_engine->cur_payload_map->remote_sdp_port = t38_options->remote_port;
3319
3320	if (remote_host && remote_port && !strcmp(remote_host, a_engine->cur_payload_map->remote_sdp_ip)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (remote_host) && __builtin_constant_p (a_engine-> cur_payload_map->remote_sdp_ip) && (__s1_len = __builtin_strlen (remote_host), __s2_len = __builtin_strlen (a_engine->cur_payload_map ->remote_sdp_ip), (!((size_t)(const void )((remote_host) + 1) - (size_t)(const void )(remote_host) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((a_engine->cur_payload_map ->remote_sdp_ip) + 1) - (size_t)(const void )(a_engine-> cur_payload_map->remote_sdp_ip) == 1) \|\| __s2_len >= 4) ) ? __builtin_strcmp (remote_host, a_engine->cur_payload_map ->remote_sdp_ip) : (__builtin_constant_p (remote_host) && ((size_t)(const void )((remote_host) + 1) - (size_t)(const void )(remote_host) == 1) && (__s1_len = __builtin_strlen (remote_host), __s1_len < 4) ? (__builtin_constant_p (a_engine ->cur_payload_map->remote_sdp_ip) && ((size_t)( const void )((a_engine->cur_payload_map->remote_sdp_ip ) + 1) - (size_t)(const void )(a_engine->cur_payload_map-> remote_sdp_ip) == 1) ? __builtin_strcmp (remote_host, a_engine ->cur_payload_map->remote_sdp_ip) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip); int __result = (((const unsigned char ) (const char ) (remote_host))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (remote_host))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (remote_host))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (remote_host))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (a_engine ->cur_payload_map->remote_sdp_ip) && ((size_t)( const void )((a_engine->cur_payload_map->remote_sdp_ip ) + 1) - (size_t)(const void )(a_engine->cur_payload_map-> remote_sdp_ip) == 1) && (__s2_len = __builtin_strlen ( a_engine->cur_payload_map->remote_sdp_ip), __s2_len < 4) ? (__builtin_constant_p (remote_host) && ((size_t )(const void )((remote_host) + 1) - (size_t)(const void )(remote_host ) == 1) ? __builtin_strcmp (remote_host, a_engine->cur_payload_map ->remote_sdp_ip) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (remote_host) ; int __result = (((const unsigned char ) (const char ) (a_engine ->cur_payload_map->remote_sdp_ip))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip ))[1] - __s2[1]); if (__s2_len > 1 && __result == 0 ) { __result = (((const unsigned char ) (const char ) (a_engine ->cur_payload_map->remote_sdp_ip))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip ))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (remote_host , a_engine->cur_payload_map->remote_sdp_ip)))); }) && remote_port == a_engine->cur_payload_map->remote_sdp_port) {
3321	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3321, (const char)(session), SWITCH_LOG_DEBUG, "Audio params are unchanged for %s.\n",
3322	switch_channel_get_name(session->channel));
3323	} else {
3324	const char err = NULL((void)0);
3325
3326	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3326, (const char)(session), SWITCH_LOG_DEBUG, "Audio params changed for %s from %s:%d to %s:%d\n",
3327	switch_channel_get_name(session->channel),
3328	remote_host, remote_port, a_engine->cur_payload_map->remote_sdp_ip, a_engine->cur_payload_map->remote_sdp_port);
3329
3330	switch_snprintf(tmp, sizeof(tmp), "%d", a_engine->cur_payload_map->remote_sdp_port);
3331	switch_channel_set_variable(session->channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE, a_engine->cur_payload_map->remote_sdp_ip)switch_channel_set_variable_var_check(session->channel, "remote_media_ip" , a_engine->cur_payload_map->remote_sdp_ip, SWITCH_TRUE );
3332	switch_channel_set_variable(session->channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE, tmp)switch_channel_set_variable_var_check(session->channel, "remote_media_port" , tmp, SWITCH_TRUE);
3333
3334	if (switch_rtp_set_remote_address(a_engine->rtp_session, a_engine->cur_payload_map->remote_sdp_ip,
3335	a_engine->cur_payload_map->remote_sdp_port, 0, SWITCH_TRUE, &err) != SWITCH_STATUS_SUCCESS) {
3336	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3336, (const char)(session), SWITCH_LOG_ERROR, "AUDIO RTP REPORTS ERROR: [%s]\n", err);
3337	switch_channel_hangup(channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION)switch_channel_perform_hangup(channel, "src/switch_core_media.c" , (const char *)__func__, 3337, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION );
3338	}
3339
3340	}
3341
3342
3343
3344	switch_core_media_copy_t38_options(t38_options, other_session);
3345
3346	switch_channel_set_flag(smh->session->channel, CF_T38_PASSTHRU)switch_channel_set_flag_value(smh->session->channel, CF_T38_PASSTHRU , 1);
3347	switch_channel_set_flag(other_session->channel, CF_T38_PASSTHRU)switch_channel_set_flag_value(other_session->channel, CF_T38_PASSTHRU , 1);
3348
3349	msg = switch_core_session_alloc(other_session, sizeof(msg))switch_core_perform_session_alloc(other_session, sizeof(msg) , "src/switch_core_media.c", (const char *)__func__, 3349);
3350	msg->message_id = SWITCH_MESSAGE_INDICATE_REQUEST_IMAGE_MEDIA;
3351	msg->from = __FILE__"src/switch_core_media.c";
3352	msg->string_arg = switch_core_session_strdup(other_session, r_sdp)switch_core_perform_session_strdup(other_session, r_sdp, "src/switch_core_media.c" , (const char *)__func__, 3352);
3353	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3353, (const char)(session), SWITCH_LOG_DEBUG, "Passing T38 req to other leg.\n%s\n", r_sdp);
3354	switch_core_session_queue_message(other_session, msg);
3355	switch_core_session_rwunlock(other_session);
3356	}
3357	}
3358
3359
3360	/* do nothing here, mod_fax will trigger a response (if it's listening =/) */
3361	match = 1;
3362	goto done;
3363	} else if (m->m_type == sdp_media_audio && m->m_port && !got_audio) {
3364	sdp_rtpmap_t *map;
3365	int ice = 0;
3366
3367	if (!sendonly && (m->m_mode == sdp_sendonly \|\| m->m_mode == sdp_inactive)) {
3368	sendonly = 1;
3369	}
3370
3371	if (!sendonly && m->m_connections && m->m_connections->c_address && !strcmp(m->m_connections->c_address, "0.0.0.0")__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (m->m_connections->c_address) && __builtin_constant_p ("0.0.0.0") && (__s1_len = __builtin_strlen (m->m_connections ->c_address), __s2_len = __builtin_strlen ("0.0.0.0"), (!( (size_t)(const void )((m->m_connections->c_address) + 1 ) - (size_t)(const void )(m->m_connections->c_address) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )(("0.0.0.0") + 1) - (size_t)(const void )("0.0.0.0") == 1 ) \|\| __s2_len >= 4)) ? __builtin_strcmp (m->m_connections ->c_address, "0.0.0.0") : (__builtin_constant_p (m->m_connections ->c_address) && ((size_t)(const void )((m->m_connections ->c_address) + 1) - (size_t)(const void )(m->m_connections ->c_address) == 1) && (__s1_len = __builtin_strlen (m->m_connections->c_address), __s1_len < 4) ? (__builtin_constant_p ("0.0.0.0") && ((size_t)(const void )(("0.0.0.0") + 1) - (size_t)(const void )("0.0.0.0") == 1) ? __builtin_strcmp (m->m_connections->c_address, "0.0.0.0") : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) ("0.0.0.0"); int __result = (((const unsigned char ) (const char ) (m->m_connections->c_address))[0] - __s2 [0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (m->m_connections ->c_address))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (m->m_connections->c_address))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (m->m_connections->c_address ))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ( "0.0.0.0") && ((size_t)(const void )(("0.0.0.0") + 1 ) - (size_t)(const void )("0.0.0.0") == 1) && (__s2_len = __builtin_strlen ("0.0.0.0"), __s2_len < 4) ? (__builtin_constant_p (m->m_connections->c_address) && ((size_t)(const void )((m->m_connections->c_address) + 1) - (size_t)( const void )(m->m_connections->c_address) == 1) ? __builtin_strcmp (m->m_connections->c_address, "0.0.0.0") : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (m->m_connections->c_address); int __result = ( ((const unsigned char ) (const char ) ("0.0.0.0"))[0] - __s2 [0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (m->m_connections ->c_address, "0.0.0.0")))); })) {
3372	sendonly = 1;
3373	}
3374
3375	for (attr = sdp->sdp_attributes; attr; attr = attr->a_next) {
3376	if (zstr(attr->a_name)_zstr(attr->a_name)) {
3377	continue;
3378	}
3379
3380
3381	if (!strncasecmp(attr->a_name, "ice", 3)) {
3382	ice++;
3383	} else if (sendonly < 2 && !strcasecmp(attr->a_name, "sendonly")) {
3384	sendonly = 1;
3385	switch_channel_set_variable(session->channel, "media_audio_mode", "recvonly")switch_channel_set_variable_var_check(session->channel, "media_audio_mode" , "recvonly", SWITCH_TRUE);
3386	} else if (sendonly < 2 && !strcasecmp(attr->a_name, "inactive")) {
3387	sendonly = 1;
3388	switch_channel_set_variable(session->channel, "media_audio_mode", "inactive")switch_channel_set_variable_var_check(session->channel, "media_audio_mode" , "inactive", SWITCH_TRUE);
3389	} else if (!strcasecmp(attr->a_name, "recvonly")) {
3390	switch_channel_set_variable(session->channel, "media_audio_mode", "sendonly")switch_channel_set_variable_var_check(session->channel, "media_audio_mode" , "sendonly", SWITCH_TRUE);
3391	recvonly = 1;
3392
3393	if (switch_rtp_ready(a_engine->rtp_session)) {
3394	switch_rtp_set_max_missed_packets(a_engine->rtp_session, 0);
3395	a_engine->max_missed_hold_packets = 0;
3396	a_engine->max_missed_packets = 0;
3397	} else {
3398	switch_channel_set_variable(session->channel, "rtp_timeout_sec", "0")switch_channel_set_variable_var_check(session->channel, "rtp_timeout_sec" , "0", SWITCH_TRUE);
3399	switch_channel_set_variable(session->channel, "rtp_hold_timeout_sec", "0")switch_channel_set_variable_var_check(session->channel, "rtp_hold_timeout_sec" , "0", SWITCH_TRUE);
3400	}
3401	} else if (sendonly < 2 && !strcasecmp(attr->a_name, "sendrecv")) {
3402	sendonly = 0;
3403	} else if (!strcasecmp(attr->a_name, "ptime")) {
3404	ptime = dptime = atoi(attr->a_value);
3405	} else if (!strcasecmp(attr->a_name, "maxptime")) {
3406	maxptime = dmaxptime = atoi(attr->a_value);
3407	}
3408	}
3409
3410	if (sendonly == 2 && ice) {
3411	sendonly = 0;
3412	}
3413
3414
3415	if (sendonly != 1 && recvonly != 1) {
3416	switch_channel_set_variable(session->channel, "media_audio_mode", NULL)switch_channel_set_variable_var_check(session->channel, "media_audio_mode" , ((void*)0), SWITCH_TRUE);
3417	}
3418
3419	if (!(switch_media_handle_test_media_flag(smh, SCMF_DISABLE_HOLD)
3420	\|\| ((val = switch_channel_get_variable(session->channel, "rtp_disable_hold")switch_channel_get_variable_dup(session->channel, "rtp_disable_hold" , SWITCH_TRUE, -1))
3421	&& switch_true(val)))
3422	&& !smh->mparams->hold_laps) {
3423	smh->mparams->hold_laps++;
3424	if (switch_core_media_toggle_hold(session, sendonly)) {
3425	reneg = switch_media_handle_test_media_flag(smh, SCMF_RENEG_ON_HOLD);
3426	if ((val = switch_channel_get_variable(session->channel, "rtp_renegotiate_codec_on_hold")switch_channel_get_variable_dup(session->channel, "rtp_renegotiate_codec_on_hold" , SWITCH_TRUE, -1))) {
3427	reneg = switch_true(val);
3428	}
3429	}
3430	}
3431
3432	if (reneg) {
3433	reneg = switch_media_handle_test_media_flag(smh, SCMF_RENEG_ON_REINVITE);
3434
3435	if ((val = switch_channel_get_variable(session->channel, "rtp_renegotiate_codec_on_reinvite")switch_channel_get_variable_dup(session->channel, "rtp_renegotiate_codec_on_reinvite" , SWITCH_TRUE, -1))) {
3436	reneg = switch_true(val);
3437	}
3438	}
3439
3440	if (session->bugs) {
3441	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3441, (const char)(session), SWITCH_LOG_DEBUG,
3442	"Session is connected to a media bug. "
3443	"Re-Negotiation implicitly disabled.\n");
3444	reneg = 0;
3445	}
3446
3447	if (switch_channel_test_flag(session->channel, CF_RECOVERING)) {
3448	reneg = 0;
3449	}
3450
3451	if (sdp_type == SDP_TYPE_RESPONSE && smh->num_negotiated_codecs) {
3452	/* response to re-invite or update, only negotiated codecs are valid */
3453	reneg = 0;
3454	}
3455
3456
3457	if (!reneg && smh->num_negotiated_codecs) {
3458	codec_array = smh->negotiated_codecs;
3459	total_codecs = smh->num_negotiated_codecs;
3460	} else if (reneg) {
3461	smh->mparams->num_codecs = 0;
3462	switch_core_media_prepare_codecs(session, SWITCH_FALSE);
3463	codec_array = smh->codecs;
3464	total_codecs = smh->mparams->num_codecs;
3465	}
3466
3467
3468	if (switch_rtp_has_dtls() && dtls_ok(session)) {
3469	for (attr = m->m_attributes; attr; attr = attr->a_next) {
3470
3471	if (!strcasecmp(attr->a_name, "fingerprint") && !zstr(attr->a_value)_zstr(attr->a_value)) {
3472	got_crypto = 1;
3473	}
3474	}
3475	}
3476
3477	for (attr = m->m_attributes; attr; attr = attr->a_next) {
3478
3479	if (!strcasecmp(attr->a_name, "rtcp") && attr->a_value) {
3480	switch_channel_set_variable(session->channel, "rtp_remote_audio_rtcp_port", attr->a_value)switch_channel_set_variable_var_check(session->channel, "rtp_remote_audio_rtcp_port" , attr->a_value, SWITCH_TRUE);
3481	a_engine->remote_rtcp_port = (switch_port_t)atoi(attr->a_value);
3482	if (!smh->mparams->rtcp_audio_interval_msec) {
3483	smh->mparams->rtcp_audio_interval_msec = "5000";
3484	}
3485	} else if (!strcasecmp(attr->a_name, "ptime") && attr->a_value) {
3486	ptime = atoi(attr->a_value);
3487	} else if (!strcasecmp(attr->a_name, "maxptime") && attr->a_value) {
3488	maxptime = atoi(attr->a_value);
3489	} else if (got_crypto < 1 && !strcasecmp(attr->a_name, "crypto") && !zstr(attr->a_value)_zstr(attr->a_value)) {
3490	int crypto_tag;
3491
3492	if (!(smh->mparams->ndlb & SM_NDLB_ALLOW_CRYPTO_IN_AVP) &&
3493	!switch_true(switch_channel_get_variable(session->channel, "rtp_allow_crypto_in_avp")switch_channel_get_variable_dup(session->channel, "rtp_allow_crypto_in_avp" , SWITCH_TRUE, -1))) {
3494	if (m->m_proto != sdp_proto_srtp && !got_webrtc) {
3495	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3495, (const char)(session), SWITCH_LOG_ERROR, "a=crypto in RTP/AVP, refer to rfc3711\n");
3496	match = 0;
3497	goto done;
3498	}
3499	}
3500
3501	crypto = attr->a_value;
3502	crypto_tag = atoi(crypto);
3503	got_crypto = switch_core_session_check_incoming_crypto(session,
3504	"rtp_has_crypto", SWITCH_MEDIA_TYPE_AUDIO, crypto, crypto_tag, sdp_type);
3505
3506	}
3507	}
3508
3509	if (got_crypto == -1 && got_savp && !got_avp && !got_webrtc) {
3510	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3510, (const char)(session), SWITCH_LOG_WARNING, "Declining invite with only SAVP because secure media is administratively disabled\n");
3511	match = 0;
3512	break;
3513	}
3514
3515	connection = sdp->sdp_connection;
3516	if (m->m_connections) {
3517	connection = m->m_connections;
3518	}
3519
3520	if (!connection) {
3521	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3521, (const char)(session), SWITCH_LOG_ERROR, "Cannot find a c= line in the sdp at media or session level!\n");
3522	match = 0;
3523	break;
3524	}
3525
3526	x = 0;
3527
3528	for (map = m->m_rtpmaps; map; map = map->rm_next) {
3529	int32_t i;
3530	const char *rm_encoding;
3531	uint32_t map_bit_rate = 0;
3532	switch_codec_fmtp_t codec_fmtp = { 0 };
3533	int map_channels = map->rm_params ? atoi(map->rm_params) : 1;
3534
3535	if (!(rm_encoding = map->rm_encoding)) {
3536	rm_encoding = "";
3537	}
3538
3539
3540	if (!strcasecmp(rm_encoding, "telephone-event")) {
3541	if (!best_te \|\| map->rm_rate == a_engine->cur_payload_map->rm_rate) {
3542	best_te = (switch_payload_t) map->rm_pt;
3543	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3543, (const char)(session), SWITCH_LOG_DEBUG, "Set telephone-event payload to %u\n", best_te);
3544	}
3545	continue;
3546	}
3547
3548	if (!switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG) && !cng_pt && !strcasecmp(rm_encoding, "CN")) {
3549	cng_pt = (switch_payload_t) map->rm_pt;
3550	if (a_engine->rtp_session) {
3551	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3551, (const char)(session), SWITCH_LOG_DEBUG, "Set comfort noise payload to %u\n", cng_pt);
3552	switch_rtp_set_cng_pt(a_engine->rtp_session, smh->mparams->cng_pt);
3553	}
3554	continue;
3555	}
3556
3557
3558	if (x++ < skip) {
3559	continue;
3560	}
3561
3562	if (match) {
3563	continue;
3564	}
3565
3566	codec_ms = ptime;
3567
3568	if (switch_channel_get_variable(session->channel, "rtp_h_X-Broken-PTIME")switch_channel_get_variable_dup(session->channel, "rtp_h_X-Broken-PTIME" , SWITCH_TRUE, -1) && a_engine->read_impl.microseconds_per_packet) {
3569	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3569, (const char)(session), SWITCH_LOG_DEBUG, "Overwriting ptime from a known broken endpoint with the currently used value of %d ms\n", a_engine->read_impl.microseconds_per_packet / 1000);
3570	codec_ms = a_engine->read_impl.microseconds_per_packet / 1000;
3571	}
3572
3573	if (maxptime && (!codec_ms \|\| codec_ms > maxptime)) {
3574	codec_ms = maxptime;
3575	}
3576
3577	if (!codec_ms) {
3578	codec_ms = switch_default_ptime(rm_encoding, map->rm_pt);
3579	}
3580
3581	map_bit_rate = switch_known_bitrate((switch_payload_t)map->rm_pt);
3582
3583	if (!ptime && !strcasecmp(map->rm_encoding, "g723")) {
3584	codec_ms = 30;
3585	}
3586
3587	remote_codec_rate = map->rm_rate;
3588	fmtp_remote_codec_rate = 0;
3589	memset(&codec_fmtp, 0, sizeof(codec_fmtp));
3590
3591	if (zstr(map->rm_fmtp)_zstr(map->rm_fmtp)) {
3592	if (!strcasecmp(map->rm_encoding, "ilbc")) {
3593	codec_ms = 30;
3594	map_bit_rate = 13330;
3595	} else if (!strcasecmp(map->rm_encoding, "isac")) {
3596	codec_ms = 30;
3597	map_bit_rate = 32000;
3598	}
3599	} else {
3600	if ((switch_core_codec_parse_fmtp(map->rm_encoding, map->rm_fmtp, map->rm_rate, &codec_fmtp)) == SWITCH_STATUS_SUCCESS) {
3601	if (codec_fmtp.bits_per_second) {
3602	map_bit_rate = codec_fmtp.bits_per_second;
3603	}
3604	if (codec_fmtp.microseconds_per_packet) {
3605	codec_ms = (codec_fmtp.microseconds_per_packet / 1000);
3606	}
3607	if (codec_fmtp.actual_samples_per_second) {
3608	fmtp_remote_codec_rate = codec_fmtp.actual_samples_per_second;
3609	}
3610	if (codec_fmtp.stereo) {
3611	map_channels = 2;
3612	} else if (!strcasecmp(map->rm_encoding, "opus")) {
3613	map_channels = 1;
3614	}
3615	}
3616	}
3617
3618	for (i = 0; i < smh->mparams->num_codecs && i < total_codecs; i++) {
3619	const switch_codec_implementation_t *imp = codec_array[i];
3620	uint32_t bit_rate = imp->bits_per_second;
3621	uint32_t codec_rate = imp->samples_per_second;
3622
3623	if (imp->codec_type != SWITCH_CODEC_TYPE_AUDIO) {
3624	continue;
3625	}
3626
3627	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3627, (const char)(session), SWITCH_LOG_DEBUG, "Audio Codec Compare [%s:%d:%u:%d:%u:%d]/[%s:%d:%u:%d:%u:%d]\n",
3628	rm_encoding, map->rm_pt, (int) remote_codec_rate, codec_ms, map_bit_rate, map_channels,
3629	imp->iananame, imp->ianacode, codec_rate, imp->microseconds_per_packet / 1000, bit_rate, imp->number_of_channels);
3630	if ((zstr(map->rm_encoding)_zstr(map->rm_encoding) \|\| (smh->mparams->ndlb & SM_NDLB_ALLOW_BAD_IANANAME)) && map->rm_pt < 96) {
3631	match = (map->rm_pt == imp->ianacode) ? 1 : 0;
3632	} else {
3633	match = (!strcasecmp(rm_encoding, imp->iananame) &&
3634	((map->rm_pt < 96 && imp->ianacode < 96) \|\| (map->rm_pt > 95 && imp->ianacode > 95)) &&
3635	(remote_codec_rate == codec_rate \|\| fmtp_remote_codec_rate == imp->actual_samples_per_second)) ? 1 : 0;
3636	if (fmtp_remote_codec_rate) {
3637	remote_codec_rate = fmtp_remote_codec_rate;
3638	}
3639	}
3640
3641	if (match && bit_rate && map_bit_rate && map_bit_rate != bit_rate && strcasecmp(map->rm_encoding, "ilbc") &&
3642	strcasecmp(map->rm_encoding, "isac")) {
3643	/* if a bit rate is specified and doesn't match, this is not a codec match, except for ILBC */
3644	match = 0;
3645	}
3646
3647	if (match && remote_codec_rate && codec_rate && remote_codec_rate != codec_rate && (!strcasecmp(map->rm_encoding, "pcma") \|\|
3648	!strcasecmp(map->rm_encoding, "pcmu"))) {
3649	/* if the sampling rate is specified and doesn't match, this is not a codec match for G.711 */
3650	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3650, (const char)(session), SWITCH_LOG_DEBUG, "sampling rates have to match for G.711\n");
3651	match = 0;
3652	}
3653
3654	if (match) {
3655	if (scrooge) {
3656	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3656, (const char)(session), SWITCH_LOG_DEBUG,
3657	"Bah HUMBUG! Sticking with %s@%uh@%ui\n",
3658	imp->iananame, imp->samples_per_second, imp->microseconds_per_packet / 1000);
3659	} else if ((ptime && codec_ms && codec_ms * 1000 != imp->microseconds_per_packet) \|\| remote_codec_rate != codec_rate) {
3660	/* ptime does not match */
3661	match = 0;
3662
3663	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3663, (const char)(session), SWITCH_LOG_DEBUG,
3664	"Audio Codec Compare [%s:%d:%u:%d:%u:%d] is saved as a near-match\n",
3665	imp->iananame, imp->ianacode, codec_rate, imp->microseconds_per_packet / 1000, bit_rate, imp->number_of_channels);
3666
3667	near_matches[nm_idx].codec_idx = i;
3668	near_matches[nm_idx].rate = remote_codec_rate;
3669	near_matches[nm_idx].imp = imp;
3670	near_matches[nm_idx].map = map;
3671	nm_idx++;
3672
3673	continue;
3674	}
3675
3676	matches[m_idx].codec_idx = i;
3677	matches[m_idx].rate = codec_rate;
3678	matches[m_idx].imp = imp;
3679	matches[m_idx].map = map;
3680	m_idx++;
3681
3682	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3682, (const char)(session), SWITCH_LOG_DEBUG,
3683	"Audio Codec Compare [%s:%d:%u:%d:%u:%d] ++++ is saved as a match\n",
3684	imp->iananame, imp->ianacode, codec_rate, imp->microseconds_per_packet / 1000, bit_rate, imp->number_of_channels);
3685
3686	if (m_idx >= MAX_MATCHES30) {
3687	break;
3688	}
3689
3690	match = 0;
3691	}
3692	}
3693
3694	if (m_idx >= MAX_MATCHES30) {
3695	break;
3696	}
3697	}
3698
3699	if (smh->crypto_mode == CRYPTO_MODE_MANDATORY && got_crypto < 1) {
3700	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3700, (const char)(session), SWITCH_LOG_WARNING, "Crypto not negotiated but required.\n");
3701	match = 0;
3702	m_idx = nm_idx = 0;
3703	}
3704
3705
3706	if (!m_idx && nm_idx) {
3707	int j;
3708
3709	for(j = 0; j < nm_idx; j++) {
3710	const switch_codec_implementation_t *search[1];
3711	char *prefs[1];
3712	char tmp[80];
3713	int num;
3714	const switch_codec_implementation_t timp = NULL((void)0);
3715
3716	near_rate = near_matches[j].rate;
3717	near_match = near_matches[j].imp;
3718	near_map = near_matches[j].map;
3719
3720	switch_snprintf(tmp, sizeof(tmp), "%s@%uh@%ui%dc", near_match->iananame, near_rate ? near_rate : near_match->samples_per_second,
3721	codec_ms, near_match->number_of_channels);
3722
3723	prefs[0] = tmp;
3724	num = switch_loadable_module_get_codecs_sorted(search, 1, prefs, 1);
3725
3726	if (num) {
3727	timp = search[0];
3728	} else {
3729	timp = near_match;
3730	}
3731
3732	if (!maxptime \|\| timp->microseconds_per_packet / 1000 <= maxptime) {
3733	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3733, (const char)(session), SWITCH_LOG_DEBUG, "Substituting codec %s@%ui@%uh@%dc\n",
3734	timp->iananame, timp->microseconds_per_packet / 1000, timp->actual_samples_per_second, timp->number_of_channels);
3735	match = 1;
3736
3737	matches[m_idx].codec_idx = near_matches[j].codec_idx;
3738	matches[m_idx].rate = near_rate;
3739	matches[m_idx].imp = timp;
3740	matches[m_idx].map = near_map;
3741	m_idx++;
3742
3743	break;
3744	}
3745	}
3746	}
3747
3748	if (m_idx) {
3749	int j;
3750
3751	if (greedy) { /* sort in favor of mine */
3752	greedy_sort(smh, matches, m_idx, codec_array, total_codecs);
3753	}
3754
3755	match = 1;
3756	a_engine->codec_negotiated = 1;
3757	smh->num_negotiated_codecs = 0;
3758
3759	for(j = 0; j < m_idx; j++) {
3760	payload_map_t *pmap = switch_core_media_add_payload_map(session,
3761	SWITCH_MEDIA_TYPE_AUDIO,
3762	matches[j].map->rm_encoding,
3763	matches[j].map->rm_fmtp,
3764	sdp_type,
3765	matches[j].map->rm_pt,
3766	matches[j].imp->samples_per_second,
3767	matches[j].imp->microseconds_per_packet / 1000,
3768	matches[j].imp->number_of_channels,
3769	SWITCH_TRUE);
3770
3771	mimp = matches[j].imp;
3772	mmap = matches[j].map;
3773
3774	if (j == 0) {
3775	a_engine->cur_payload_map = pmap;
3776	a_engine->cur_payload_map->current = 1;
3777	if (a_engine->rtp_session) {
3778	switch_rtp_set_default_payload(a_engine->rtp_session, pmap->pt);
3779	}
3780	}
3781
3782	pmap->rm_encoding = switch_core_session_strdup(session, (char ) mmap->rm_encoding)switch_core_perform_session_strdup(session, (char ) mmap-> rm_encoding, "src/switch_core_media.c", (const char *)__func__ , 3782);
3783	pmap->iananame = switch_core_session_strdup(session, (char ) mimp->iananame)switch_core_perform_session_strdup(session, (char ) mimp-> iananame, "src/switch_core_media.c", (const char *)__func__, 3783 );
3784	pmap->recv_pt = (switch_payload_t) mmap->rm_pt;
3785	pmap->rm_rate = mimp->samples_per_second;
3786	pmap->adv_rm_rate = mimp->samples_per_second;
3787	if (strcasecmp(mimp->iananame, "g722")) {
3788	pmap->rm_rate = mimp->actual_samples_per_second;
3789	}
3790	pmap->codec_ms = mimp->microseconds_per_packet / 1000;
3791	pmap->bitrate = mimp->bits_per_second;
3792	pmap->channels = mmap->rm_params ? atoi(mmap->rm_params) : 1;
3793
3794	if (!strcasecmp((char *) mmap->rm_encoding, "opus")) {
3795	if (pmap->channels == 1) {
3796	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3796, (const char)(session), SWITCH_LOG_WARNING, "Invalid SDP for opus. Don't ask.. but it needs a /2\n");
3797	pmap->adv_channels = 1;
3798	} else {
3799	pmap->adv_channels = 2; /* IKR ???*/
3800	}
3801	if (!zstr((char ) mmap->rm_fmtp)_zstr((char ) mmap->rm_fmtp) && switch_stristr("stereo=1", (char *) mmap->rm_fmtp)) {
3802	pmap->channels = 2;
3803	} else {
3804	pmap->channels = 1;
3805	}
3806	} else {
3807	pmap->adv_channels = pmap->channels;
3808	}
3809
3810	pmap->remote_sdp_ip = switch_core_session_strdup(session, (char ) connection->c_address)switch_core_perform_session_strdup(session, (char ) connection ->c_address, "src/switch_core_media.c", (const char *)__func__ , 3810);
3811	pmap->remote_sdp_port = (switch_port_t) m->m_port;
3812	pmap->rm_fmtp = switch_core_session_strdup(session, (char ) mmap->rm_fmtp)switch_core_perform_session_strdup(session, (char ) mmap-> rm_fmtp, "src/switch_core_media.c", (const char *)__func__, 3812 );
3813
3814	pmap->agreed_pt = (switch_payload_t) mmap->rm_pt;
3815	smh->negotiated_codecs[smh->num_negotiated_codecs++] = mimp;
3816	pmap->recv_pt = (switch_payload_t)mmap->rm_pt;
3817
3818	}
3819	}
3820
3821	if (match) {
3822	char tmp[50];
3823	//const char *mirror = switch_channel_get_variable(session->channel, "rtp_mirror_remote_audio_codec_payload");
3824
3825
3826	switch_snprintf(tmp, sizeof(tmp), "%d", a_engine->cur_payload_map->remote_sdp_port);
3827	switch_channel_set_variable(session->channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE, a_engine->cur_payload_map->remote_sdp_ip)switch_channel_set_variable_var_check(session->channel, "remote_media_ip" , a_engine->cur_payload_map->remote_sdp_ip, SWITCH_TRUE );
3828	switch_channel_set_variable(session->channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE, tmp)switch_channel_set_variable_var_check(session->channel, "remote_media_port" , tmp, SWITCH_TRUE);
3829
3830
3831	if (a_engine->cur_payload_map->pt == smh->mparams->te) {
3832	switch_payload_t pl = 0;
3833	payload_map_t *pmap;
3834
3835	switch_mutex_lock(smh->sdp_mutex);
3836	for (pmap = a_engine->cur_payload_map; pmap && pmap->allocated; pmap = pmap->next) {
3837	if (pmap->pt > pl) {
3838	pl = pmap->pt;
3839	}
3840	}
3841	switch_mutex_unlock(smh->sdp_mutex);
3842
3843	smh->mparams->te = (switch_payload_t) ++pl;
3844	}
3845
3846
3847
3848	#if 0
3849	if (!switch_true(mirror) &&
3850	switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND &&
3851	(!switch_channel_test_flag(session->channel, CF_REINVITE) \|\| switch_media_handle_test_media_flag(smh, SCMF_RENEG_ON_REINVITE))) {
3852	switch_core_media_get_offered_pt(session, matches[0].imp, &a_engine->cur_payload_map->recv_pt);
3853	}
3854	#endif
3855
3856	switch_snprintf(tmp, sizeof(tmp), "%d", a_engine->cur_payload_map->recv_pt);
3857	switch_channel_set_variable(session->channel, "rtp_audio_recv_pt", tmp)switch_channel_set_variable_var_check(session->channel, "rtp_audio_recv_pt" , tmp, SWITCH_TRUE);
3858
3859	if (switch_core_codec_ready(&a_engine->read_codec) && strcasecmp(matches[0].imp->iananame, a_engine->read_codec.implementation->iananame)) {
3860	a_engine->reset_codec = 1;
3861	}
3862
3863	if (switch_core_media_set_codec(session, 0, smh->mparams->codec_flags) == SWITCH_STATUS_SUCCESS) {
3864	got_audio = 1;
3865	check_ice(smh, SWITCH_MEDIA_TYPE_AUDIO, sdp, m);
3866	} else {
3867	match = 0;
3868	}
3869	}
3870
3871	if (!best_te && (switch_media_handle_test_media_flag(smh, SCMF_LIBERAL_DTMF) \|\|
3872	switch_channel_test_flag(session->channel, CF_LIBERAL_DTMF))) {
3873	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3873, (const char)(session), SWITCH_LOG_DEBUG,
3874	"No 2833 in SDP. Liberal DTMF mode adding %d as telephone-event.\n", smh->mparams->te);
3875	best_te = smh->mparams->te;
3876	}
3877
3878	if (best_te) {
3879	if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
3880	te = smh->mparams->te = (switch_payload_t) best_te;
3881	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3881, (const char)(session), SWITCH_LOG_DEBUG, "Set 2833 dtmf send payload to %u\n", best_te);
3882	switch_channel_set_variable(session->channel, "dtmf_type", "rfc2833")switch_channel_set_variable_var_check(session->channel, "dtmf_type" , "rfc2833", SWITCH_TRUE);
3883	smh->mparams->dtmf_type = DTMF_2833;
3884	if (a_engine->rtp_session) {
3885	switch_rtp_set_telephony_event(a_engine->rtp_session, (switch_payload_t) best_te);
3886	switch_channel_set_variable_printf(session->channel, "rtp_2833_send_payload", "%d", best_te);
3887	}
3888	} else {
3889	te = smh->mparams->recv_te = smh->mparams->te = (switch_payload_t) best_te;
3890	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3890, (const char)(session), SWITCH_LOG_DEBUG, "Set 2833 dtmf send/recv payload to %u\n", te);
3891	switch_channel_set_variable(session->channel, "dtmf_type", "rfc2833")switch_channel_set_variable_var_check(session->channel, "dtmf_type" , "rfc2833", SWITCH_TRUE);
3892	smh->mparams->dtmf_type = DTMF_2833;
3893	if (a_engine->rtp_session) {
3894	switch_rtp_set_telephony_event(a_engine->rtp_session, te);
3895	switch_channel_set_variable_printf(session->channel, "rtp_2833_send_payload", "%d", te);
3896	switch_rtp_set_telephony_recv_event(a_engine->rtp_session, te);
3897	switch_channel_set_variable_printf(session->channel, "rtp_2833_recv_payload", "%d", te);
3898	}
3899	}
3900	} else {
3901	/* by default, use SIP INFO if 2833 is not in the SDP */
3902	if (!switch_false(switch_channel_get_variable(channel, "rtp_info_when_no_2833")switch_channel_get_variable_dup(channel, "rtp_info_when_no_2833" , SWITCH_TRUE, -1))) {
3903	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3903, (const char)(session), SWITCH_LOG_DEBUG, "No 2833 in SDP. Disable 2833 dtmf and switch to INFO\n");
3904	switch_channel_set_variable(session->channel, "dtmf_type", "info")switch_channel_set_variable_var_check(session->channel, "dtmf_type" , "info", SWITCH_TRUE);
3905	smh->mparams->dtmf_type = DTMF_INFO;
3906	te = smh->mparams->recv_te = smh->mparams->te = 0;
	Value stored to 'te' is never read
3907	} else {
3908	switch_channel_set_variable(session->channel, "dtmf_type", "none")switch_channel_set_variable_var_check(session->channel, "dtmf_type" , "none", SWITCH_TRUE);
3909	smh->mparams->dtmf_type = DTMF_NONE;
3910	te = smh->mparams->recv_te = smh->mparams->te = 0;
3911	}
3912	}
3913
3914	} else if (m->m_type == sdp_media_video && m->m_port) {
3915	sdp_rtpmap_t *map;
3916	const char *rm_encoding;
3917	const switch_codec_implementation_t mimp = NULL((void)0);
3918	int vmatch = 0, i;
3919
3920	nm_idx = 0;
3921	m_idx = 0;
3922	memset(matches, 0, sizeof(matches[0]) * MAX_MATCHES30);
3923	memset(near_matches, 0, sizeof(near_matches[0]) * MAX_MATCHES30);
3924
3925	switch_channel_set_variable(session->channel, "video_possible", "true")switch_channel_set_variable_var_check(session->channel, "video_possible" , "true", SWITCH_TRUE);
3926
3927	connection = sdp->sdp_connection;
3928	if (m->m_connections) {
3929	connection = m->m_connections;
3930	}
3931
3932	if (!connection) {
3933	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3933, (const char)(session), SWITCH_LOG_ERROR, "Cannot find a c= line in the sdp at media or session level!\n");
3934	match = 0;
3935	break;
3936	}
3937
3938	for (map = m->m_rtpmaps; map; map = map->rm_next) {
3939
3940	if (switch_rtp_has_dtls() && dtls_ok(session)) {
3941	for (attr = m->m_attributes; attr; attr = attr->a_next) {
3942	if (!strcasecmp(attr->a_name, "fingerprint") && !zstr(attr->a_value)_zstr(attr->a_value)) {
3943	got_video_crypto = 1;
3944	}
3945	}
3946	}
3947
3948	for (attr = m->m_attributes; attr; attr = attr->a_next) {
3949	if (!strcasecmp(attr->a_name, "framerate") && attr->a_value) {
3950	//framerate = atoi(attr->a_value);
3951	} else if (!strcasecmp(attr->a_name, "rtcp-fb")) {
3952	if (!zstr(attr->a_value)_zstr(attr->a_value)) {
3953	if (switch_stristr("fir", attr->a_value)) {
3954	v_engine->fir++;
3955	}
3956
3957	//if (switch_stristr("pli", attr->a_value)) {
3958	// v_engine->pli++;
3959	//}
3960
3961	smh->mparams->rtcp_video_interval_msec = "10000";
3962	}
3963	} else if (!strcasecmp(attr->a_name, "rtcp") && attr->a_value && !strcmp(attr->a_value, "1")__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (attr->a_value) && __builtin_constant_p ("1") && (__s1_len = __builtin_strlen (attr->a_value), __s2_len = __builtin_strlen ("1"), (!((size_t)(const void )((attr->a_value) + 1) - ( size_t)(const void )(attr->a_value) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )(("1") + 1) - (size_t )(const void )("1") == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (attr->a_value, "1") : (__builtin_constant_p (attr->a_value ) && ((size_t)(const void )((attr->a_value) + 1) - (size_t)(const void )(attr->a_value) == 1) && (__s1_len = __builtin_strlen (attr->a_value), __s1_len < 4) ? (__builtin_constant_p ("1") && ((size_t)(const void )(("1") + 1) - (size_t )(const void )("1") == 1) ? __builtin_strcmp (attr->a_value , "1") : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) ("1"); int __result = (((const unsigned char ) (const char ) (attr->a_value))[0] - __s2 [0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (attr->a_value ))[1] - __s2[1]); if (__s1_len > 1 && __result == 0 ) { __result = (((const unsigned char ) (const char ) (attr ->a_value))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (attr ->a_value))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ("1") && ((size_t)(const void )(("1") + 1) - (size_t )(const void )("1") == 1) && (__s2_len = __builtin_strlen ("1"), __s2_len < 4) ? (__builtin_constant_p (attr->a_value ) && ((size_t)(const void )((attr->a_value) + 1) - (size_t)(const void )(attr->a_value) == 1) ? __builtin_strcmp (attr->a_value, "1") : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (attr-> a_value); int __result = (((const unsigned char ) (const char ) ("1"))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ( "1"))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ("1" ))[2] - __s2[2]); if (__s2_len > 2 && __result == 0 ) __result = (((const unsigned char ) (const char ) ("1"))[ 3] - __s2[3]); } } __result; })))) : __builtin_strcmp (attr-> a_value, "1")))); })) {
3964	switch_channel_set_variable(session->channel, "rtp_remote_video_rtcp_port", attr->a_value)switch_channel_set_variable_var_check(session->channel, "rtp_remote_video_rtcp_port" , attr->a_value, SWITCH_TRUE);
3965	v_engine->remote_rtcp_port = (switch_port_t)atoi(attr->a_value);
3966	if (!smh->mparams->rtcp_video_interval_msec) {
3967	smh->mparams->rtcp_video_interval_msec = "5000";
3968	}
3969	} else if (!got_video_crypto && !strcasecmp(attr->a_name, "crypto") && !zstr(attr->a_value)_zstr(attr->a_value)) {
3970	int crypto_tag;
3971
3972	if (!(smh->mparams->ndlb & SM_NDLB_ALLOW_CRYPTO_IN_AVP) &&
3973	!switch_true(switch_channel_get_variable(session->channel, "rtp_allow_crypto_in_avp")switch_channel_get_variable_dup(session->channel, "rtp_allow_crypto_in_avp" , SWITCH_TRUE, -1))) {
3974	if (m->m_proto != sdp_proto_srtp && !got_webrtc) {
3975	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 3975, (const char)(session), SWITCH_LOG_ERROR, "a=crypto in RTP/AVP, refer to rfc3711\n");
3976	match = 0;
3977	goto done;
3978	}
3979	}
3980
3981	crypto = attr->a_value;
3982	crypto_tag = atoi(crypto);
3983
3984	got_video_crypto = switch_core_session_check_incoming_crypto(session,
3985	"rtp_has_video_crypto",
3986	SWITCH_MEDIA_TYPE_VIDEO, crypto, crypto_tag, sdp_type);
3987
3988	}
3989	}
3990
3991	if (!(rm_encoding = map->rm_encoding)) {
3992	rm_encoding = "";
3993	}
3994
3995	for (i = 0; i < total_codecs; i++) {
3996	const switch_codec_implementation_t *imp = codec_array[i];
3997
3998	if (imp->codec_type != SWITCH_CODEC_TYPE_VIDEO) {
3999	continue;
4000	}
4001
4002	if (switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_INBOUND &&
4003	switch_channel_test_flag(session->channel, CF_NOVIDEO)) {
4004	continue;
4005	}
4006
4007	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 4007, (const char)(session), SWITCH_LOG_DEBUG, "Video Codec Compare [%s:%d]/[%s:%d]\n",
4008	rm_encoding, map->rm_pt, imp->iananame, imp->ianacode);
4009	if ((zstr(map->rm_encoding)_zstr(map->rm_encoding) \|\| (smh->mparams->ndlb & SM_NDLB_ALLOW_BAD_IANANAME)) && map->rm_pt < 96) {
4010	vmatch = (map->rm_pt == imp->ianacode) ? 1 : 0;
4011	} else {
4012	vmatch = strcasecmp(rm_encoding, imp->iananame) ? 0 : 1;
4013	}
4014
4015
4016	if (vmatch && (map->rm_rate == imp->samples_per_second)) {
4017	matches[m_idx].imp = imp;
4018	matches[m_idx].map = map;
4019
4020	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 4020, (const char)(session), SWITCH_LOG_DEBUG, "Video Codec Compare [%s:%d] +++ is saved as a match\n",
4021	imp->iananame, imp->ianacode);
4022	m_idx++;
4023	}
4024
4025	vmatch = 0;
4026	}
4027	}
4028
4029	if (smh->crypto_mode == CRYPTO_MODE_MANDATORY && got_video_crypto < 1) {
4030	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 4030, (const char)(session), SWITCH_LOG_WARNING, "Crypto not negotiated but required.\n");
4031	vmatch = 0;
4032	m_idx = 0;
4033	}
4034
4035	if (m_idx) {
4036	char tmp[50];
4037	//const char *mirror = switch_channel_get_variable(session->channel, "rtp_mirror_remote_video_codec_payload");
4038	int j = 0;
4039
4040	if (greedy) { /* sort in favor of mine */
4041	greedy_sort(smh, matches, m_idx, codec_array, total_codecs);
4042	}
4043
4044	vmatch = 1;
4045	v_engine->codec_negotiated = 1;
4046
4047	for(j = 0; j < m_idx; j++) {
4048	payload_map_t *pmap = switch_core_media_add_payload_map(session,
4049	SWITCH_MEDIA_TYPE_VIDEO,
4050	matches[j].map->rm_encoding,
4051	matches[j].map->rm_fmtp,
4052	sdp_type,
4053	matches[j].map->rm_pt,
4054	matches[j].imp->samples_per_second,
4055	matches[j].imp->microseconds_per_packet / 1000,
4056	matches[j].imp->number_of_channels,
4057	SWITCH_TRUE);
4058	if (j == 0) {
4059	v_engine->cur_payload_map = pmap;
4060	v_engine->cur_payload_map->current = 1;
4061	if (v_engine->rtp_session) {
4062	switch_rtp_set_default_payload(v_engine->rtp_session, pmap->pt);
4063	}
4064	}
4065
4066	mimp = matches[j].imp;
4067	map = matches[j].map;
4068
4069	pmap->rm_encoding = switch_core_session_strdup(session, (char ) map->rm_encoding)switch_core_perform_session_strdup(session, (char ) map-> rm_encoding, "src/switch_core_media.c", (const char *)__func__ , 4069);
4070	pmap->recv_pt = (switch_payload_t) map->rm_pt;
4071	pmap->rm_rate = map->rm_rate;
4072	pmap->codec_ms = mimp->microseconds_per_packet / 1000;
4073
4074
4075	pmap->remote_sdp_ip = switch_core_session_strdup(session, (char ) connection->c_address)switch_core_perform_session_strdup(session, (char ) connection ->c_address, "src/switch_core_media.c", (const char *)__func__ , 4075);
4076	pmap->remote_sdp_port = (switch_port_t) m->m_port;
4077
4078	pmap->rm_fmtp = switch_core_session_strdup(session, (char ) map->rm_fmtp)switch_core_perform_session_strdup(session, (char ) map-> rm_fmtp, "src/switch_core_media.c", (const char *)__func__, 4078 );
4079
4080	pmap->agreed_pt = (switch_payload_t) map->rm_pt;
4081
4082
4083	#if 0
4084	if (j == 0 && (!switch_true(mirror) && switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND)) {
4085	switch_core_media_get_offered_pt(session, mimp, &pmap->recv_pt);
4086	}
4087	#endif
4088	}
4089
4090
4091
4092	switch_snprintf(tmp, sizeof(tmp), "%d", v_engine->cur_payload_map->remote_sdp_port);
4093	switch_channel_set_variable(session->channel, SWITCH_REMOTE_VIDEO_IP_VARIABLE, v_engine->cur_payload_map->remote_sdp_ip)switch_channel_set_variable_var_check(session->channel, "remote_video_ip" , v_engine->cur_payload_map->remote_sdp_ip, SWITCH_TRUE );
4094	switch_channel_set_variable(session->channel, SWITCH_REMOTE_VIDEO_PORT_VARIABLE, tmp)switch_channel_set_variable_var_check(session->channel, "remote_video_port" , tmp, SWITCH_TRUE);
4095	switch_channel_set_variable(session->channel, "rtp_video_fmtp", v_engine->cur_payload_map->rm_fmtp)switch_channel_set_variable_var_check(session->channel, "rtp_video_fmtp" , v_engine->cur_payload_map->rm_fmtp, SWITCH_TRUE);
4096	switch_snprintf(tmp, sizeof(tmp), "%d", v_engine->cur_payload_map->agreed_pt);
4097	switch_channel_set_variable(session->channel, "rtp_video_pt", tmp)switch_channel_set_variable_var_check(session->channel, "rtp_video_pt" , tmp, SWITCH_TRUE);
4098	switch_core_media_check_video_codecs(session);
4099	switch_snprintf(tmp, sizeof(tmp), "%d", v_engine->cur_payload_map->recv_pt);
4100	switch_channel_set_variable(session->channel, "rtp_video_recv_pt", tmp)switch_channel_set_variable_var_check(session->channel, "rtp_video_recv_pt" , tmp, SWITCH_TRUE);
4101	if (!match && vmatch) match = 1;
4102
4103	if (switch_core_codec_ready(&v_engine->read_codec) && strcasecmp(matches[0].imp->iananame, v_engine->read_codec.implementation->iananame)) {
4104	v_engine->reset_codec = 1;
4105	}
4106
4107	if (switch_core_media_set_video_codec(session, 0) == SWITCH_STATUS_SUCCESS) {
4108	check_ice(smh, SWITCH_MEDIA_TYPE_VIDEO, sdp, m);
4109	}
4110	}
4111	}
4112	}
4113
4114	done:
4115
4116
4117
4118
4119
4120
4121	if (parser) {
4122	sdp_parser_free(parser);
4123	}
4124
4125	smh->mparams->cng_pt = cng_pt;
4126
4127	return match;
4128	}
4129
4130	//?
4131
4132	SWITCH_DECLARE(int)__attribute__((visibility("default"))) int switch_core_media_toggle_hold(switch_core_session_t *session, int sendonly)
4133	{
4134	int changed = 0;
4135	switch_rtp_engine_t a_engine, v_engine;
4136	switch_media_handle_t *smh;
4137	switch_core_session_t b_session = NULL((void)0);
4138	switch_channel_t b_channel = NULL((void)0);
4139
4140	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 4140, __PRETTY_FUNCTION__));
4141
4142	if (!(smh = session->media_handle)) {
4143	return 0;
4144	}
4145
4146	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
4147	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
4148
4149
4150	if (switch_core_session_get_partner(session, &b_session)switch_core_session_perform_get_partner(session, &b_session , "src/switch_core_media.c", (const char *)__func__, 4150) == SWITCH_STATUS_SUCCESS) {
4151	b_channel = switch_core_session_get_channel(b_session);
4152	}
4153
4154	if (sendonly && switch_channel_test_flag(session->channel, CF_ANSWERED)) {
4155	if (!switch_channel_test_flag(session->channel, CF_PROTO_HOLD)) {
4156	const char *stream;
4157	const char *msg = "hold";
4158	const char *info;
4159
4160	if ((switch_channel_test_flag(session->channel, CF_SLA_BARGE) \|\| switch_channel_test_flag(session->channel, CF_SLA_BARGING)) &&
4161	(!b_channel \|\| switch_channel_test_flag(b_channel, CF_EVENT_LOCK_PRI))) {
4162	switch_channel_mark_hold(session->channel, sendonly);
4163	switch_channel_set_flag(session->channel, CF_PROTO_HOLD)switch_channel_set_flag_value(session->channel, CF_PROTO_HOLD , 1);
4164	changed = 0;
4165	goto end;
4166	}
4167
4168	info = switch_channel_get_variable(session->channel, "presence_call_info")switch_channel_get_variable_dup(session->channel, "presence_call_info" , SWITCH_TRUE, -1);
4169
4170	if (info) {
4171	if (switch_stristr("private", info)) {
4172	msg = "hold-private";
4173	}
4174	}
4175
4176	if (a_engine->rtp_session) {
4177	switch_rtp_set_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_PAUSE);
4178	}
4179
4180	if (v_engine->rtp_session) {
4181	switch_rtp_set_flag(v_engine->rtp_session, SWITCH_RTP_FLAG_PAUSE);
4182	}
4183
4184	switch_channel_set_flag(session->channel, CF_PROTO_HOLD)switch_channel_set_flag_value(session->channel, CF_PROTO_HOLD , 1);
4185	switch_channel_mark_hold(session->channel, SWITCH_TRUE);
4186	switch_channel_presence(session->channel, "unknown", msg, NULL)switch_channel_perform_presence(session->channel, "unknown" , msg, ((void)0), "src/switch_core_media.c", (const char )__func__ , 4186);
4187	changed = 1;
4188
4189	if (a_engine->max_missed_hold_packets && a_engine->rtp_session) {
4190	switch_rtp_set_max_missed_packets(a_engine->rtp_session, a_engine->max_missed_hold_packets);
4191	}
4192
4193	if (!(stream = switch_channel_get_hold_music(session->channel))) {
4194	stream = "local_stream://moh";
4195	}
4196
4197
4198	if (stream && strcasecmp(stream, "silence") && (!b_channel \|\| !switch_channel_test_flag(b_channel, CF_EVENT_LOCK_PRI))) {
4199	if (!strcasecmp(stream, "indicate_hold")) {
4200	switch_channel_set_flag(session->channel, CF_SUSPEND)switch_channel_set_flag_value(session->channel, CF_SUSPEND , 1);
4201	switch_channel_set_flag(session->channel, CF_HOLD)switch_channel_set_flag_value(session->channel, CF_HOLD, 1 );
4202	switch_ivr_hold_uuid(switch_core_session_get_uuid(b_session), NULL((void*)0), 0);
4203	} else {
4204	switch_ivr_broadcast(switch_core_session_get_uuid(b_session), stream,
4205	SMF_ECHO_ALEG \| SMF_LOOP \| SMF_PRIORITY);
4206	switch_yield(250000)switch_sleep(250000);;
4207	}
4208	}
4209
4210	}
4211	} else {
4212	if (switch_channel_test_flag(session->channel, CF_HOLD_LOCK)) {
4213	switch_channel_set_flag(session->channel, CF_PROTO_HOLD)switch_channel_set_flag_value(session->channel, CF_PROTO_HOLD , 1);
4214	switch_channel_mark_hold(session->channel, SWITCH_TRUE);
4215
4216	if (a_engine->rtp_session) {
4217	switch_rtp_set_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_PAUSE);
4218	}
4219
4220	if (v_engine->rtp_session) {
4221	switch_rtp_set_flag(v_engine->rtp_session, SWITCH_RTP_FLAG_PAUSE);
4222	}
4223
4224	changed = 1;
4225	}
4226
4227	switch_channel_clear_flag(session->channel, CF_HOLD_LOCK);
4228
4229	if (switch_channel_test_flag(session->channel, CF_PROTO_HOLD)) {
4230	const char *val;
4231	int media_on_hold_a = switch_true(switch_channel_get_variable_dup(session->channel, "bypass_media_resume_on_hold", SWITCH_FALSE, -1));
4232	int media_on_hold_b = 0;
4233	int bypass_after_hold_a = 0;
4234	int bypass_after_hold_b = 0;
4235
4236	if (media_on_hold_a) {
4237	bypass_after_hold_a = switch_true(switch_channel_get_variable_dup(session->channel, "bypass_media_after_hold", SWITCH_FALSE, -1));
4238	}
4239
4240	if (b_channel) {
4241	if ((media_on_hold_b = switch_true(switch_channel_get_variable_dup(b_channel, "bypass_media_resume_on_hold", SWITCH_FALSE, -1)))) {
4242	bypass_after_hold_b = switch_true(switch_channel_get_variable_dup(b_channel, "bypass_media_after_hold", SWITCH_FALSE, -1));
4243	}
4244	}
4245
4246	switch_yield(250000)switch_sleep(250000);;
4247
4248	if (b_channel && (switch_channel_test_flag(session->channel, CF_BYPASS_MEDIA_AFTER_HOLD) \|\|
4249	switch_channel_test_flag(b_channel, CF_BYPASS_MEDIA_AFTER_HOLD) \|\| bypass_after_hold_a \|\| bypass_after_hold_b)) {
4250	/* try to stay out from media stream */
4251	switch_ivr_nomedia(switch_core_session_get_uuid(session), SMF_REBRIDGE);
4252	}
4253
4254	if (a_engine->max_missed_packets && a_engine->rtp_session) {
4255	switch_rtp_reset_media_timer(a_engine->rtp_session);
4256	switch_rtp_set_max_missed_packets(a_engine->rtp_session, a_engine->max_missed_packets);
4257	}
4258
4259	if (b_channel) {
4260	if (switch_channel_test_flag(session->channel, CF_HOLD)) {
4261	switch_ivr_unhold(b_session);
4262	switch_channel_clear_flag(session->channel, CF_SUSPEND);
4263	switch_channel_clear_flag(session->channel, CF_HOLD);
4264	} else {
4265	switch_channel_stop_broadcast(b_channel)for(;;) {if (switch_channel_test_flag(b_channel, CF_BROADCAST )) {switch_channel_set_flag_value(b_channel, CF_STOP_BROADCAST , 1); switch_channel_set_flag_value(b_channel, CF_BREAK, 1); } break;};
4266	switch_channel_wait_for_flag(b_channel, CF_BROADCAST, SWITCH_FALSE, 5000, NULL((void*)0));
4267	}
4268	}
4269
4270	if (!switch_media_handle_test_media_flag(smh, SCMF_DISABLE_RTP_AUTOADJ) &&
4271	!((val = switch_channel_get_variable(session->channel, "disable_rtp_auto_adjust")switch_channel_get_variable_dup(session->channel, "disable_rtp_auto_adjust" , SWITCH_TRUE, -1)) && switch_true(val)) &&
4272	!switch_channel_test_flag(session->channel, CF_WEBRTC)) {
4273	/* Reactivate the NAT buster flag. */
4274
4275	if (a_engine->rtp_session) {
4276	switch_rtp_set_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_AUTOADJ);
4277	}
4278
4279	if (v_engine->rtp_session) {
4280	switch_rtp_set_flag(v_engine->rtp_session, SWITCH_RTP_FLAG_AUTOADJ);
4281	}
4282	}
4283
4284	switch_channel_clear_flag(session->channel, CF_PROTO_HOLD);
4285	switch_channel_mark_hold(session->channel, SWITCH_FALSE);
4286	switch_channel_presence(session->channel, "unknown", "unhold", NULL)switch_channel_perform_presence(session->channel, "unknown" , "unhold", ((void)0), "src/switch_core_media.c", (const char )__func__, 4286);
4287
4288	if (a_engine->rtp_session) {
4289	switch_rtp_clear_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_PAUSE);
4290	}
4291
4292	if (v_engine->rtp_session) {
4293	switch_rtp_clear_flag(v_engine->rtp_session, SWITCH_RTP_FLAG_PAUSE);
4294	}
4295
4296	changed = 1;
4297	}
4298	}
4299
4300
4301	end:
4302
4303	if (b_session) {
4304	switch_core_session_rwunlock(b_session);
4305	}
4306
4307
4308	return changed;
4309	}
4310
4311	static void SWITCH_THREAD_FUNC video_helper_thread(switch_thread_t thread, void *obj)
4312	{
4313	struct media_helper *mh = obj;
4314	switch_core_session_t *session = mh->session;
4315	switch_channel_t *channel = switch_core_session_get_channel(session);
4316	switch_status_t status;
4317	switch_frame_t *read_frame;
4318	switch_media_handle_t *smh;
4319
4320	if (!(smh = session->media_handle)) {
4321	return NULL((void*)0);
4322	}
4323
4324	switch_core_session_read_lock(session);
4325
4326	mh->up = 1;
4327	switch_mutex_lock(mh->cond_mutex);
4328
4329	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 4329, ((void)0), SWITCH_LOG_DEBUG, "%s Video thread started. Echo is %s\n",
4330	switch_channel_get_name(session->channel), switch_channel_test_flag(channel, CF_VIDEO_ECHO) ? "on" : "off");
4331	switch_core_session_refresh_video(session);
4332
4333	while (switch_channel_up_nosig(channel)(switch_channel_get_state(channel) < CS_HANGUP)) {
4334
4335	if (switch_channel_test_flag(channel, CF_VIDEO_PASSIVE)) {
4336	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 4336, ((void)0), SWITCH_LOG_DEBUG, "%s Video thread paused. Echo is %s\n",
4337	switch_channel_get_name(session->channel), switch_channel_test_flag(channel, CF_VIDEO_ECHO) ? "on" : "off");
4338	switch_thread_cond_wait(mh->cond, mh->cond_mutex);
4339	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 4339, ((void)0), SWITCH_LOG_DEBUG, "%s Video thread resumed Echo is %s\n",
4340	switch_channel_get_name(session->channel), switch_channel_test_flag(channel, CF_VIDEO_ECHO) ? "on" : "off");
4341	switch_core_session_refresh_video(session);
4342	}
4343
4344	if (switch_channel_test_flag(channel, CF_VIDEO_PASSIVE)) {
4345	continue;
4346	}
4347
4348	if (!switch_channel_media_up(session->channel)(switch_channel_test_flag(session->channel, CF_ANSWERED) \|\| switch_channel_test_flag(session->channel, CF_EARLY_MEDIA ))) {
4349	switch_yield(10000)switch_sleep(10000);;
4350	continue;
4351	}
4352
4353
4354	status = switch_core_session_read_video_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
4355
4356	if (!SWITCH_READ_ACCEPTABLE(status)(status == SWITCH_STATUS_SUCCESS \|\| status == SWITCH_STATUS_BREAK \|\| status == SWITCH_STATUS_INUSE)) {
4357	switch_cond_next();
4358	continue;
4359	}
4360
4361
4362	if (switch_channel_test_flag(channel, CF_VIDEO_REFRESH_REQ)) {
4363	switch_core_session_refresh_video(session);
4364	switch_channel_clear_flag(channel, CF_VIDEO_REFRESH_REQ);
4365	}
4366
4367	if (switch_test_flag(read_frame, SFF_CNG)((read_frame)->flags & SFF_CNG)) {
4368	continue;
4369	}
4370
4371	if (switch_channel_test_flag(channel, CF_VIDEO_ECHO)) {
4372	switch_core_session_write_video_frame(session, read_frame, SWITCH_IO_FLAG_NONE, 0);
4373	}
4374
4375	}
4376
4377
4378	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 4378, ((void)0), SWITCH_LOG_DEBUG, "%s Video thread ended\n", switch_channel_get_name(session->channel));
4379
4380	switch_mutex_unlock(mh->cond_mutex);
4381	switch_core_session_rwunlock(session);
4382
4383	mh->up = 0;
4384	return NULL((void*)0);
4385	}
4386
4387
4388	static switch_status_t start_video_thread(switch_core_session_t *session)
4389	{
4390	switch_threadattr_t thd_attr = NULL((void)0);
4391	switch_memory_pool_t *pool = switch_core_session_get_pool(session);
4392	switch_rtp_engine_t v_engine = NULL((void)0);
4393	switch_media_handle_t *smh;
4394
4395	if (!(smh = session->media_handle)) {
4396	return SWITCH_STATUS_FALSE;
4397	}
4398
4399	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
4400
4401	if (v_engine->media_thread) {
4402	return SWITCH_STATUS_FALSE;
4403	}
4404
4405	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 4405, (const char)(session), SWITCH_LOG_NOTICE, "%s Starting Video thread\n", switch_core_session_get_name(session)switch_channel_get_name(switch_core_session_get_channel(session )));
4406
4407	if (v_engine->rtp_session) {
4408	switch_rtp_set_default_payload(v_engine->rtp_session, v_engine->cur_payload_map->agreed_pt);
4409	}
4410
4411	v_engine->mh.session = session;
4412	switch_threadattr_create(&thd_attr, pool);
4413	switch_threadattr_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE240 * 1024);
4414
4415	switch_thread_cond_create(&v_engine->mh.cond, pool);
4416	switch_mutex_init(&v_engine->mh.cond_mutex, SWITCH_MUTEX_NESTED0x1, pool);
4417	switch_mutex_init(&v_engine->read_mutex[SWITCH_MEDIA_TYPE_VIDEO], SWITCH_MUTEX_NESTED0x1, pool);
4418	switch_thread_create(&v_engine->media_thread, thd_attr, video_helper_thread, &v_engine->mh, switch_core_session_get_pool(session));
4419
4420	return SWITCH_STATUS_SUCCESS;
4421	}
4422
4423	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_start_video_thread(switch_core_session_t *session)
4424	{
4425	return start_video_thread(session);
4426	}
4427
4428	//?
4429	#define RA_PTR_LEN512 512
4430	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_proxy_remote_addr(switch_core_session_t session, const char sdp_str)
4431	{
4432	const char *err;
4433	char rip[RA_PTR_LEN512] = "";
4434	char rp[RA_PTR_LEN512] = "";
4435	char rvp[RA_PTR_LEN512] = "";
4436	char p, ip_ptr = NULL((void)0), port_ptr = NULL((void)0), vid_port_ptr = NULL((void)0), pe;
4437	int x;
4438	const char *val;
4439	switch_status_t status = SWITCH_STATUS_FALSE;
4440	switch_rtp_engine_t a_engine, v_engine;
4441	switch_media_handle_t *smh;
4442
4443	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 4443, __PRETTY_FUNCTION__));
4444
4445	if (!(smh = session->media_handle)) {
4446	return SWITCH_STATUS_FALSE;
4447	}
4448
4449	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
4450	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
4451
4452	if (zstr(sdp_str)_zstr(sdp_str)) {
4453	sdp_str = smh->mparams->remote_sdp_str;
4454	}
4455
4456	if (zstr(sdp_str)_zstr(sdp_str)) {
4457	goto end;
4458	}
4459
4460	if ((p = (char ) switch_stristr("c=IN IP4 ", sdp_str)) \|\| (p = (char ) switch_stristr("c=IN IP6 ", sdp_str))) {
4461	ip_ptr = p + 9;
4462	}
4463
4464	if ((p = (char *) switch_stristr("m=audio ", sdp_str))) {
4465	port_ptr = p + 8;
4466	}
4467
4468	if ((p = (char *) switch_stristr("m=image ", sdp_str))) {
4469	char *tmp = p + 8;
4470
4471	if (tmp && atoi(tmp)) {
4472	port_ptr = tmp;
4473	}
4474	}
4475
4476	if ((p = (char *) switch_stristr("m=video ", sdp_str))) {
4477	vid_port_ptr = p + 8;
4478	}
4479
4480	if (!(ip_ptr && port_ptr)) {
4481	goto end;
4482	}
4483
4484	p = ip_ptr;
4485	pe = p + strlen(p);
4486	x = 0;
4487	while (x < sizeof(rip) - 1 && p && p && ((p >= '0' && p <= '9') \|\| p == '.' \|\| p == ':' \|\| (p >= 'a' && p <= 'f') \|\| (p >= 'A' && *p <= 'F'))) {
4488	rip[x++] = *p;
4489	p++;
4490	if (p >= pe) {
4491	goto end;
4492	}
4493	}
4494
4495	p = port_ptr;
4496	x = 0;
4497	while (x < sizeof(rp) - 1 && p && p && (p >= '0' && *p <= '9')) {
4498	rp[x++] = *p;
4499	p++;
4500	if (p >= pe) {
4501	goto end;
4502	}
4503	}
4504
4505	p = vid_port_ptr;
4506	x = 0;
4507	while (x < sizeof(rvp) - 1 && p && p && (p >= '0' && *p <= '9')) {
4508	rvp[x++] = *p;
4509	p++;
4510	if (p >= pe) {
4511	goto end;
4512	}
4513	}
4514
4515	if (!(rip && rp)) {
4516	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 4516, (const char)(session), SWITCH_LOG_ERROR, "invalid SDP\n");
4517	goto end;
4518	}
4519
4520	a_engine->cur_payload_map->remote_sdp_ip = switch_core_session_strdup(session, rip)switch_core_perform_session_strdup(session, rip, "src/switch_core_media.c" , (const char *)__func__, 4520);
4521	a_engine->cur_payload_map->remote_sdp_port = (switch_port_t) atoi(rp);
4522
4523	if (*rvp) {
4524	v_engine->cur_payload_map->remote_sdp_ip = switch_core_session_strdup(session, rip)switch_core_perform_session_strdup(session, rip, "src/switch_core_media.c" , (const char *)__func__, 4524);
4525	v_engine->cur_payload_map->remote_sdp_port = (switch_port_t) atoi(rvp);
4526	switch_channel_set_flag(session->channel, CF_VIDEO_POSSIBLE)switch_channel_set_flag_value(session->channel, CF_VIDEO_POSSIBLE , 1);
4527	switch_channel_set_flag(session->channel, CF_VIDEO)switch_channel_set_flag_value(session->channel, CF_VIDEO, 1 );
4528	}
4529
4530	if (v_engine->cur_payload_map->remote_sdp_ip && v_engine->cur_payload_map->remote_sdp_port) {
4531	if (!strcmp(v_engine->cur_payload_map->remote_sdp_ip, rip)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (v_engine->cur_payload_map->remote_sdp_ip) && __builtin_constant_p (rip) && (__s1_len = __builtin_strlen (v_engine-> cur_payload_map->remote_sdp_ip), __s2_len = __builtin_strlen (rip), (!((size_t)(const void )((v_engine->cur_payload_map ->remote_sdp_ip) + 1) - (size_t)(const void )(v_engine-> cur_payload_map->remote_sdp_ip) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((rip) + 1) - (size_t)(const void )(rip) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp ( v_engine->cur_payload_map->remote_sdp_ip, rip) : (__builtin_constant_p (v_engine->cur_payload_map->remote_sdp_ip) && ( (size_t)(const void )((v_engine->cur_payload_map->remote_sdp_ip ) + 1) - (size_t)(const void )(v_engine->cur_payload_map-> remote_sdp_ip) == 1) && (__s1_len = __builtin_strlen ( v_engine->cur_payload_map->remote_sdp_ip), __s1_len < 4) ? (__builtin_constant_p (rip) && ((size_t)(const void )((rip) + 1) - (size_t)(const void )(rip) == 1) ? __builtin_strcmp (v_engine->cur_payload_map->remote_sdp_ip, rip) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (rip); int __result = (((const unsigned char ) (const char ) (v_engine->cur_payload_map->remote_sdp_ip))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (v_engine->cur_payload_map ->remote_sdp_ip))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (v_engine->cur_payload_map->remote_sdp_ip))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (v_engine->cur_payload_map ->remote_sdp_ip))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (rip) && ((size_t)(const void )((rip) + 1) - (size_t )(const void )(rip) == 1) && (__s2_len = __builtin_strlen (rip), __s2_len < 4) ? (__builtin_constant_p (v_engine-> cur_payload_map->remote_sdp_ip) && ((size_t)(const void )((v_engine->cur_payload_map->remote_sdp_ip) + 1 ) - (size_t)(const void )(v_engine->cur_payload_map->remote_sdp_ip ) == 1) ? __builtin_strcmp (v_engine->cur_payload_map-> remote_sdp_ip, rip) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (v_engine-> cur_payload_map->remote_sdp_ip); int __result = (((const unsigned char ) (const char ) (rip))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (rip))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (rip))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (rip))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (v_engine->cur_payload_map->remote_sdp_ip, rip)))); }) && atoi(rvp) == v_engine->cur_payload_map->remote_sdp_port) {
4532	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 4532, (const char)(session), SWITCH_LOG_DEBUG, "Remote video address:port [%s:%d] has not changed.\n",
4533	v_engine->cur_payload_map->remote_sdp_ip, v_engine->cur_payload_map->remote_sdp_port);
4534	} else {
4535	switch_channel_set_flag(session->channel, CF_VIDEO_POSSIBLE)switch_channel_set_flag_value(session->channel, CF_VIDEO_POSSIBLE , 1);
4536	switch_channel_set_flag(session->channel, CF_VIDEO)switch_channel_set_flag_value(session->channel, CF_VIDEO, 1 );
4537	if (switch_rtp_ready(v_engine->rtp_session)) {
4538	const char rport = NULL((void)0);
4539	switch_port_t remote_rtcp_port = v_engine->remote_rtcp_port;
4540
4541	if (!remote_rtcp_port) {
4542	if ((rport = switch_channel_get_variable(session->channel, "rtp_remote_video_rtcp_port")switch_channel_get_variable_dup(session->channel, "rtp_remote_video_rtcp_port" , SWITCH_TRUE, -1))) {
4543	remote_rtcp_port = (switch_port_t)atoi(rport);
4544	}
4545	}
4546
4547
4548	if (switch_rtp_set_remote_address(v_engine->rtp_session, v_engine->cur_payload_map->remote_sdp_ip,
4549	v_engine->cur_payload_map->remote_sdp_port, remote_rtcp_port, SWITCH_TRUE, &err) != SWITCH_STATUS_SUCCESS) {
4550	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 4550, (const char)(session), SWITCH_LOG_ERROR, "VIDEO RTP REPORTS ERROR: [%s]\n", err);
4551	} else {
4552	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 4552, (const char)(session), SWITCH_LOG_DEBUG, "VIDEO RTP CHANGING DEST TO: [%s:%d]\n",
4553	v_engine->cur_payload_map->remote_sdp_ip, v_engine->cur_payload_map->remote_sdp_port);
4554	if (!switch_media_handle_test_media_flag(smh, SCMF_DISABLE_RTP_AUTOADJ) && !switch_channel_test_flag(session->channel, CF_PROXY_MODE) &&
4555	!((val = switch_channel_get_variable(session->channel, "disable_rtp_auto_adjust")switch_channel_get_variable_dup(session->channel, "disable_rtp_auto_adjust" , SWITCH_TRUE, -1)) && switch_true(val)) &&
4556	!switch_channel_test_flag(session->channel, CF_WEBRTC)) {
4557	/* Reactivate the NAT buster flag. */
4558	switch_rtp_set_flag(v_engine->rtp_session, SWITCH_RTP_FLAG_AUTOADJ);
4559	start_video_thread(session);
4560
4561	}
4562	if (switch_media_handle_test_media_flag(smh, SCMF_AUTOFIX_TIMING)) {
4563	v_engine->check_frames = 0;
4564	}
4565	}
4566	}
4567	}
4568	}
4569
4570	if (switch_rtp_ready(a_engine->rtp_session)) {
4571	char *remote_host = switch_rtp_get_remote_host(a_engine->rtp_session);
4572	switch_port_t remote_port = switch_rtp_get_remote_port(a_engine->rtp_session);
4573	const char rport = NULL((void)0);
4574	switch_port_t remote_rtcp_port = 0;
4575
4576	if (remote_host && remote_port && !strcmp(remote_host, a_engine->cur_payload_map->remote_sdp_ip)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (remote_host) && __builtin_constant_p (a_engine-> cur_payload_map->remote_sdp_ip) && (__s1_len = __builtin_strlen (remote_host), __s2_len = __builtin_strlen (a_engine->cur_payload_map ->remote_sdp_ip), (!((size_t)(const void )((remote_host) + 1) - (size_t)(const void )(remote_host) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((a_engine->cur_payload_map ->remote_sdp_ip) + 1) - (size_t)(const void )(a_engine-> cur_payload_map->remote_sdp_ip) == 1) \|\| __s2_len >= 4) ) ? __builtin_strcmp (remote_host, a_engine->cur_payload_map ->remote_sdp_ip) : (__builtin_constant_p (remote_host) && ((size_t)(const void )((remote_host) + 1) - (size_t)(const void )(remote_host) == 1) && (__s1_len = __builtin_strlen (remote_host), __s1_len < 4) ? (__builtin_constant_p (a_engine ->cur_payload_map->remote_sdp_ip) && ((size_t)( const void )((a_engine->cur_payload_map->remote_sdp_ip ) + 1) - (size_t)(const void )(a_engine->cur_payload_map-> remote_sdp_ip) == 1) ? __builtin_strcmp (remote_host, a_engine ->cur_payload_map->remote_sdp_ip) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip); int __result = (((const unsigned char ) (const char ) (remote_host))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (remote_host))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (remote_host))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (remote_host))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (a_engine ->cur_payload_map->remote_sdp_ip) && ((size_t)( const void )((a_engine->cur_payload_map->remote_sdp_ip ) + 1) - (size_t)(const void )(a_engine->cur_payload_map-> remote_sdp_ip) == 1) && (__s2_len = __builtin_strlen ( a_engine->cur_payload_map->remote_sdp_ip), __s2_len < 4) ? (__builtin_constant_p (remote_host) && ((size_t )(const void )((remote_host) + 1) - (size_t)(const void )(remote_host ) == 1) ? __builtin_strcmp (remote_host, a_engine->cur_payload_map ->remote_sdp_ip) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (remote_host) ; int __result = (((const unsigned char ) (const char ) (a_engine ->cur_payload_map->remote_sdp_ip))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip ))[1] - __s2[1]); if (__s2_len > 1 && __result == 0 ) { __result = (((const unsigned char ) (const char ) (a_engine ->cur_payload_map->remote_sdp_ip))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip ))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (remote_host , a_engine->cur_payload_map->remote_sdp_ip)))); }) && remote_port == a_engine->cur_payload_map->remote_sdp_port) {
4577	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 4577, (const char)(session), SWITCH_LOG_DEBUG, "Remote address:port [%s:%d] has not changed.\n",
4578	a_engine->cur_payload_map->remote_sdp_ip, a_engine->cur_payload_map->remote_sdp_port);
4579	switch_goto_status(SWITCH_STATUS_BREAK, end)status = SWITCH_STATUS_BREAK; goto end;
4580	} else if (remote_host && ( (strcmp(remote_host, "0.0.0.0")__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (remote_host) && __builtin_constant_p ("0.0.0.0") && (__s1_len = __builtin_strlen (remote_host), __s2_len = __builtin_strlen ("0.0.0.0"), (!((size_t)(const void )((remote_host) + 1) - ( size_t)(const void )(remote_host) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )(("0.0.0.0") + 1) - (size_t )(const void )("0.0.0.0") == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (remote_host, "0.0.0.0") : (__builtin_constant_p (remote_host ) && ((size_t)(const void )((remote_host) + 1) - (size_t )(const void )(remote_host) == 1) && (__s1_len = __builtin_strlen (remote_host), __s1_len < 4) ? (__builtin_constant_p ("0.0.0.0" ) && ((size_t)(const void )(("0.0.0.0") + 1) - (size_t )(const void )("0.0.0.0") == 1) ? __builtin_strcmp (remote_host , "0.0.0.0") : (__extension__ ({ const unsigned char __s2 = ( const unsigned char ) (const char ) ("0.0.0.0"); int __result = (((const unsigned char ) (const char ) (remote_host))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (remote_host))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (remote_host))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (remote_host))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ("0.0.0.0" ) && ((size_t)(const void )(("0.0.0.0") + 1) - (size_t )(const void )("0.0.0.0") == 1) && (__s2_len = __builtin_strlen ("0.0.0.0"), __s2_len < 4) ? (__builtin_constant_p (remote_host ) && ((size_t)(const void )((remote_host) + 1) - (size_t )(const void )(remote_host) == 1) ? __builtin_strcmp (remote_host , "0.0.0.0") : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (remote_host); int __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (remote_host , "0.0.0.0")))); }) == 0) \|\|
4581	(strcmp(a_engine->cur_payload_map->remote_sdp_ip, "0.0.0.0")__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (a_engine->cur_payload_map->remote_sdp_ip) && __builtin_constant_p ("0.0.0.0") && (__s1_len = __builtin_strlen (a_engine ->cur_payload_map->remote_sdp_ip), __s2_len = __builtin_strlen ("0.0.0.0"), (!((size_t)(const void )((a_engine->cur_payload_map ->remote_sdp_ip) + 1) - (size_t)(const void )(a_engine-> cur_payload_map->remote_sdp_ip) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )(("0.0.0.0") + 1) - (size_t )(const void )("0.0.0.0") == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (a_engine->cur_payload_map->remote_sdp_ip, "0.0.0.0") : (__builtin_constant_p (a_engine->cur_payload_map->remote_sdp_ip ) && ((size_t)(const void )((a_engine->cur_payload_map ->remote_sdp_ip) + 1) - (size_t)(const void )(a_engine-> cur_payload_map->remote_sdp_ip) == 1) && (__s1_len = __builtin_strlen (a_engine->cur_payload_map->remote_sdp_ip ), __s1_len < 4) ? (__builtin_constant_p ("0.0.0.0") && ((size_t)(const void )(("0.0.0.0") + 1) - (size_t)(const void )("0.0.0.0") == 1) ? __builtin_strcmp (a_engine->cur_payload_map ->remote_sdp_ip, "0.0.0.0") : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) ("0.0.0.0" ); int __result = (((const unsigned char ) (const char ) (a_engine ->cur_payload_map->remote_sdp_ip))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip ))[1] - __s2[1]); if (__s1_len > 1 && __result == 0 ) { __result = (((const unsigned char ) (const char ) (a_engine ->cur_payload_map->remote_sdp_ip))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip ))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ( "0.0.0.0") && ((size_t)(const void )(("0.0.0.0") + 1 ) - (size_t)(const void )("0.0.0.0") == 1) && (__s2_len = __builtin_strlen ("0.0.0.0"), __s2_len < 4) ? (__builtin_constant_p (a_engine->cur_payload_map->remote_sdp_ip) && ( (size_t)(const void )((a_engine->cur_payload_map->remote_sdp_ip ) + 1) - (size_t)(const void )(a_engine->cur_payload_map-> remote_sdp_ip) == 1) ? __builtin_strcmp (a_engine->cur_payload_map ->remote_sdp_ip, "0.0.0.0") : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (a_engine ->cur_payload_map->remote_sdp_ip); int __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (a_engine->cur_payload_map ->remote_sdp_ip, "0.0.0.0")))); }) == 0))) {
4582
4583	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 4583, (const char)(session), SWITCH_LOG_DEBUG,
4584	"Remote address changed from [%s] to [%s]. Ignoring...\n",
4585	a_engine->cur_payload_map->remote_sdp_ip, remote_host);
4586	switch_goto_status(SWITCH_STATUS_BREAK, end)status = SWITCH_STATUS_BREAK; goto end;
4587	}
4588
4589	if ((rport = switch_channel_get_variable(session->channel, "rtp_remote_audio_rtcp_port")switch_channel_get_variable_dup(session->channel, "rtp_remote_audio_rtcp_port" , SWITCH_TRUE, -1))) {
4590	remote_rtcp_port = (switch_port_t)atoi(rport);
4591	}
4592
4593
4594	if (switch_rtp_set_remote_address(a_engine->rtp_session, a_engine->cur_payload_map->remote_sdp_ip,
4595	a_engine->cur_payload_map->remote_sdp_port, remote_rtcp_port, SWITCH_TRUE, &err) != SWITCH_STATUS_SUCCESS) {
4596	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 4596, (const char)(session), SWITCH_LOG_ERROR, "AUDIO RTP REPORTS ERROR: [%s]\n", err);
4597	status = SWITCH_STATUS_GENERR;
4598	} else {
4599	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 4599, (const char)(session), SWITCH_LOG_DEBUG, "AUDIO RTP CHANGING DEST TO: [%s:%d]\n",
4600	a_engine->cur_payload_map->remote_sdp_ip, a_engine->cur_payload_map->remote_sdp_port);
4601	if (!switch_media_handle_test_media_flag(smh, SCMF_DISABLE_RTP_AUTOADJ) &&
4602	!((val = switch_channel_get_variable(session->channel, "disable_rtp_auto_adjust")switch_channel_get_variable_dup(session->channel, "disable_rtp_auto_adjust" , SWITCH_TRUE, -1)) && switch_true(val)) &&
4603	!switch_channel_test_flag(session->channel, CF_WEBRTC)) {
4604	/* Reactivate the NAT buster flag. */
4605	switch_rtp_set_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_AUTOADJ);
4606	}
4607	if (switch_media_handle_test_media_flag(smh, SCMF_AUTOFIX_TIMING)) {
4608	a_engine->check_frames = 0;
4609	}
4610	status = SWITCH_STATUS_SUCCESS;
4611	}
4612	}
4613
4614	end:
4615
4616	return status;
4617	}
4618
4619	//?
4620	SWITCH_DECLARE(int)__attribute__((visibility("default"))) int switch_core_media_check_nat(switch_media_handle_t smh, const char network_ip)
4621	{
4622	switch_assert(network_ip)((network_ip) ? (void) (0) : __assert_fail ("network_ip", "src/switch_core_media.c" , 4622, __PRETTY_FUNCTION__));
4623
4624	return (smh->mparams->extsipip &&
4625	!switch_check_network_list_ip(network_ip, "loopback.auto")switch_check_network_list_ip_token(network_ip, "loopback.auto" , ((void*)0)) &&
4626	!switch_check_network_list_ip(network_ip, smh->mparams->local_network)switch_check_network_list_ip_token(network_ip, smh->mparams ->local_network, ((void*)0)));
4627	}
4628
4629	//?
4630	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_ext_address_lookup(switch_core_session_t session, char ip, switch_port_t port, const char *sourceip)
4631
4632	{
4633	char *error = "";
4634	switch_status_t status = SWITCH_STATUS_FALSE;
4635	int x;
4636	switch_port_t myport = *port;
4637	switch_port_t stun_port = SWITCH_STUN_DEFAULT_PORT3478;
4638	char stun_ip = NULL((void)0);
4639	switch_media_handle_t *smh;
4640	switch_memory_pool_t *pool = switch_core_session_get_pool(session);
4641
4642	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 4642, __PRETTY_FUNCTION__));
4643
4644	if (!(smh = session->media_handle)) {
4645	return SWITCH_STATUS_FALSE;
4646	}
4647
4648	if (!sourceip) {
4649	return status;
4650	}
4651
4652	if (!strncasecmp(sourceip, "host:", 5)) {
4653	status = (*ip = switch_stun_host_lookup(sourceip + 5, pool)) ? SWITCH_STATUS_SUCCESS : SWITCH_STATUS_FALSE;
4654	} else if (!strncasecmp(sourceip, "stun:", 5)) {
4655	char *p;
4656
4657	stun_ip = strdup(sourceip + 5)(__extension__ (__builtin_constant_p (sourceip + 5) && ((size_t)(const void )((sourceip + 5) + 1) - (size_t)(const void )(sourceip + 5) == 1) ? (((const char ) (sourceip + 5 ))[0] == '\0' ? (char ) calloc ((size_t) 1, (size_t) 1) : ({ size_t __len = strlen (sourceip + 5) + 1; char __retval = ( char ) malloc (__len); if (__retval != ((void)0)) __retval = (char ) memcpy (__retval, sourceip + 5, __len); __retval; } )) : __strdup (sourceip + 5)));
4658
4659	if ((p = strchr(stun_ip, ':')(__extension__ (__builtin_constant_p (':') && !__builtin_constant_p (stun_ip) && (':') == '\0' ? (char *) __rawmemchr (stun_ip , ':') : __builtin_strchr (stun_ip, ':'))))) {
4660	int iport;
4661	*p++ = '\0';
4662	iport = atoi(p);
4663	if (iport > 0 && iport < 0xFFFF) {
4664	stun_port = (switch_port_t) iport;
4665	}
4666	}
4667
4668	if (zstr(stun_ip)_zstr(stun_ip)) {
4669	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 4669, ((void)0), SWITCH_LOG_ERROR, "STUN Failed! NO STUN SERVER\n");
4670	goto out;
4671	}
4672
4673	for (x = 0; x < 5; x++) {
4674	if ((status = switch_stun_lookup(ip, port, stun_ip, stun_port, &error, pool)) != SWITCH_STATUS_SUCCESS) {
4675	switch_yield(100000)switch_sleep(100000);;
4676	} else {
4677	break;
4678	}
4679	}
4680	if (status != SWITCH_STATUS_SUCCESS) {
4681	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 4681, ((void)0), SWITCH_LOG_ERROR, "STUN Failed! %s:%d [%s]\n", stun_ip, stun_port, error);
4682	goto out;
4683	}
4684	if (!*ip) {
4685	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 4685, ((void)0), SWITCH_LOG_ERROR, "STUN Failed! No IP returned\n");
4686	goto out;
4687	}
4688	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 4688, ((void)0), SWITCH_LOG_DEBUG, "STUN Success [%s]:[%d]\n", ip, port);
4689	status = SWITCH_STATUS_SUCCESS;
4690
4691	if (myport == port && !strcmp(ip, smh->mparams->rtpip)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (ip) && __builtin_constant_p (smh->mparams->rtpip ) && (__s1_len = __builtin_strlen (ip), __s2_len = __builtin_strlen (smh->mparams->rtpip), (!((size_t)(const void )((ip) + 1) - (size_t)(const void )(ip) == 1) \|\| __s1_len >= 4 ) && (!((size_t)(const void )((smh->mparams->rtpip ) + 1) - (size_t)(const void )(smh->mparams->rtpip) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (ip, smh->mparams ->rtpip) : (__builtin_constant_p (ip) && ((size_t )(const void )((ip) + 1) - (size_t)(const void )(ip) == 1 ) && (__s1_len = __builtin_strlen (ip), __s1_len < 4) ? (__builtin_constant_p (smh->mparams->rtpip) && ((size_t)(const void )((smh->mparams->rtpip) + 1) - ( size_t)(const void )(smh->mparams->rtpip) == 1) ? __builtin_strcmp (ip, smh->mparams->rtpip) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (smh-> mparams->rtpip); int __result = (((const unsigned char ) ( const char ) (ip))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (ip))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (ip))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (ip))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (smh->mparams->rtpip) && ((size_t)(const void )((smh->mparams->rtpip) + 1) - (size_t)(const void )(smh ->mparams->rtpip) == 1) && (__s2_len = __builtin_strlen (smh->mparams->rtpip), __s2_len < 4) ? (__builtin_constant_p (ip) && ((size_t)(const void )((ip) + 1) - (size_t )(const void )(ip) == 1) ? __builtin_strcmp (ip, smh->mparams ->rtpip) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (ip); int __result = (((const unsigned char ) (const char ) (smh->mparams-> rtpip))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ( smh->mparams->rtpip))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (smh->mparams->rtpip))[2] - __s2[2]) ; if (__s2_len > 2 && __result == 0) __result = (( (const unsigned char ) (const char ) (smh->mparams->rtpip ))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (ip , smh->mparams->rtpip)))); })) {
4692	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 4692, ((void)0), SWITCH_LOG_DEBUG, "STUN Not Required ip and port match. [%s]:[%d]\n", ip, port);
4693	} else {
4694	smh->mparams->stun_ip = switch_core_session_strdup(session, stun_ip)switch_core_perform_session_strdup(session, stun_ip, "src/switch_core_media.c" , (const char *)__func__, 4694);
4695	smh->mparams->stun_port = stun_port;
4696	smh->mparams->stun_flags \|= STUN_FLAG_SET;
4697	}
4698	} else {
4699	ip = (char ) sourceip;
4700	status = SWITCH_STATUS_SUCCESS;
4701	}
4702
4703	out:
4704
4705	switch_safe_free(stun_ip)if (stun_ip) {free(stun_ip);stun_ip=((void*)0);};
4706
4707	return status;
4708	}
4709
4710	//?
4711	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_reset_autofix(switch_core_session_t *session, switch_media_type_t type)
4712	{
4713	switch_rtp_engine_t *engine;
4714	switch_media_handle_t *smh;
4715
4716	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 4716, __PRETTY_FUNCTION__));
4717
4718	if (!(smh = session->media_handle)) {
4719	return;
4720	}
4721
4722	engine = &smh->engines[type];
4723
4724	engine->check_frames = 0;
4725	engine->last_ts = 0;
4726	engine->last_seq = 0;
4727	}
4728
4729
4730
4731	//?
4732	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_choose_port(switch_core_session_t *session, switch_media_type_t type, int force)
4733	{
4734	char lookup_rtpip; / Pointer to externally looked up address */
4735	switch_port_t sdp_port; /* The external port to be sent in the SDP */
4736	const char use_ip = NULL((void)0); /* The external IP to be sent in the SDP */
4737	switch_rtp_engine_t *engine;
4738	switch_media_handle_t *smh;
4739	const char *tstr = switch_media_type2str(type);
4740	char vname[128] = "";
4741
4742	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 4742, __PRETTY_FUNCTION__));
4743
4744	if (!(smh = session->media_handle)) {
4745	return SWITCH_STATUS_FALSE;
4746	}
4747
4748	engine = &smh->engines[type];
4749
4750	lookup_rtpip = smh->mparams->rtpip;
4751
4752	/* Don't do anything if we're in proxy mode or if a (remote) port already has been found */
4753	if (!force) {
4754	if (switch_channel_test_flag(session->channel, CF_PROXY_MODE) \|\|
4755	switch_channel_test_flag(session->channel, CF_PROXY_MEDIA) \|\| engine->adv_sdp_port) {
4756	return SWITCH_STATUS_SUCCESS;
4757	}
4758	}
4759
4760	/* Release the local sdp port */
4761	if (engine->local_sdp_port) {
4762	switch_rtp_release_port(smh->mparams->rtpip, engine->local_sdp_port);
4763	}
4764
4765	/* Request a local port from the core's allocator */
4766	if (!(engine->local_sdp_port = switch_rtp_request_port(smh->mparams->rtpip))) {
4767	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 4767, (const char)(session), SWITCH_LOG_CRIT, "No %s RTP ports available!\n", tstr);
4768	return SWITCH_STATUS_FALSE;
4769	}
4770
4771	engine->local_sdp_ip = smh->mparams->rtpip;
4772
4773
4774	sdp_port = engine->local_sdp_port;
4775
4776	/* Check if NAT is detected */
4777	if (!zstr(smh->mparams->remote_ip)_zstr(smh->mparams->remote_ip) && switch_core_media_check_nat(smh, smh->mparams->remote_ip)) {
4778	/* Yes, map the port through switch_nat */
4779	switch_nat_add_mapping(engine->local_sdp_port, SWITCH_NAT_UDP, &sdp_port, SWITCH_FALSE);
4780
4781	switch_snprintf(vname, sizeof(vname), "rtp_adv_%s_ip", tstr);
4782
4783	/* Find an IP address to use */
4784	if (!(use_ip = switch_channel_get_variable(session->channel, vname)switch_channel_get_variable_dup(session->channel, vname, SWITCH_TRUE , -1))
4785	&& !zstr(smh->mparams->extrtpip)_zstr(smh->mparams->extrtpip)) {
4786	use_ip = smh->mparams->extrtpip;
4787	}
4788
4789	if (use_ip) {
4790	if (switch_core_media_ext_address_lookup(session, &lookup_rtpip, &sdp_port, use_ip) != SWITCH_STATUS_SUCCESS) {
4791	/* Address lookup was required and fail (external ip was "host:..." or "stun:...") */
4792	return SWITCH_STATUS_FALSE;
4793	} else {
4794	/* Address properly resolved, use it as external ip */
4795	use_ip = lookup_rtpip;
4796	}
4797	} else {
4798	/* No external ip found, use the profile's rtp ip */
4799	use_ip = smh->mparams->rtpip;
4800	}
4801	} else {
4802	/* No NAT traversal required, use the profile's rtp ip */
4803	use_ip = smh->mparams->rtpip;
4804	}
4805
4806	engine->adv_sdp_port = sdp_port;
4807	engine->adv_sdp_ip = smh->mparams->adv_sdp_audio_ip = smh->mparams->extrtpip = switch_core_session_strdup(session, use_ip)switch_core_perform_session_strdup(session, use_ip, "src/switch_core_media.c" , (const char *)__func__, 4807);
4808
4809
4810	if (type == SWITCH_MEDIA_TYPE_AUDIO) {
4811	switch_channel_set_variable(session->channel, SWITCH_LOCAL_MEDIA_IP_VARIABLE, engine->local_sdp_ip)switch_channel_set_variable_var_check(session->channel, "local_media_ip" , engine->local_sdp_ip, SWITCH_TRUE);
4812	switch_channel_set_variable_printf(session->channel, SWITCH_LOCAL_MEDIA_PORT_VARIABLE"local_media_port", "%d", sdp_port);
4813	switch_channel_set_variable(session->channel, SWITCH_ADVERTISED_MEDIA_IP_VARIABLE, engine->adv_sdp_ip)switch_channel_set_variable_var_check(session->channel, "advertised_media_ip" , engine->adv_sdp_ip, SWITCH_TRUE);
4814	} else {
4815	switch_channel_set_variable(session->channel, SWITCH_LOCAL_VIDEO_IP_VARIABLE, engine->adv_sdp_ip)switch_channel_set_variable_var_check(session->channel, "local_video_ip" , engine->adv_sdp_ip, SWITCH_TRUE);
4816	switch_channel_set_variable_printf(session->channel, SWITCH_LOCAL_VIDEO_PORT_VARIABLE"local_video_port", "%d", sdp_port);
4817	}
4818
4819	return SWITCH_STATUS_SUCCESS;
4820	}
4821
4822	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_choose_ports(switch_core_session_t *session, switch_bool_t audio, switch_bool_t video)
4823	{
4824	switch_status_t status = SWITCH_STATUS_SUCCESS;
4825
4826	if (audio && (status = switch_core_media_choose_port(session, SWITCH_MEDIA_TYPE_AUDIO, 0)) == SWITCH_STATUS_SUCCESS) {
4827	if (video) {
4828	switch_core_media_check_video_codecs(session);
4829	if (switch_channel_test_flag(session->channel, CF_VIDEO_POSSIBLE)) {
4830	switch_core_media_choose_port(session, SWITCH_MEDIA_TYPE_VIDEO, 0);
4831	}
4832	}
4833	}
4834
4835	return status;
4836	}
4837
4838
4839
4840	//?
4841	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_deactivate_rtp(switch_core_session_t *session)
4842	{
4843	switch_rtp_engine_t a_engine, v_engine;
4844	switch_media_handle_t *smh;
4845
4846	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 4846, __PRETTY_FUNCTION__));
4847
4848	if (!(smh = session->media_handle)) {
4849	return;
4850	}
4851
4852	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
4853	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
4854
4855	if (v_engine->media_thread) {
4856	switch_status_t st;
4857	switch_channel_clear_flag(session->channel, CF_VIDEO_PASSIVE);
4858
4859	v_engine->mh.up = 0;
4860	switch_thread_join(&st, v_engine->media_thread);
4861	v_engine->media_thread = NULL((void*)0);
4862	}
4863
4864	if (v_engine->rtp_session) {
4865	switch_rtp_destroy(&v_engine->rtp_session);
4866	} else if (v_engine->local_sdp_port) {
4867	switch_rtp_release_port(smh->mparams->rtpip, v_engine->local_sdp_port);
4868	}
4869
4870
4871	if (v_engine->local_sdp_port > 0 && !zstr(smh->mparams->remote_ip)_zstr(smh->mparams->remote_ip) &&
4872	switch_core_media_check_nat(smh, smh->mparams->remote_ip)) {
4873	switch_nat_del_mapping((switch_port_t) v_engine->local_sdp_port, SWITCH_NAT_UDP);
4874	switch_nat_del_mapping((switch_port_t) v_engine->local_sdp_port + 1, SWITCH_NAT_UDP);
4875	}
4876
4877
4878	if (a_engine->rtp_session) {
4879	switch_rtp_destroy(&a_engine->rtp_session);
4880	} else if (a_engine->local_sdp_port) {
4881	switch_rtp_release_port(smh->mparams->rtpip, a_engine->local_sdp_port);
4882	}
4883
4884	if (a_engine->local_sdp_port > 0 && !zstr(smh->mparams->remote_ip)_zstr(smh->mparams->remote_ip) &&
4885	switch_core_media_check_nat(smh, smh->mparams->remote_ip)) {
4886	switch_nat_del_mapping((switch_port_t) a_engine->local_sdp_port, SWITCH_NAT_UDP);
4887	switch_nat_del_mapping((switch_port_t) a_engine->local_sdp_port + 1, SWITCH_NAT_UDP);
4888	}
4889
4890	}
4891
4892
4893	//?
4894	static void gen_ice(switch_core_session_t session, switch_media_type_t type, const char ip, switch_port_t port)
4895	{
4896	switch_media_handle_t *smh;
4897	switch_rtp_engine_t *engine;
4898	char tmp[33] = "";
4899
4900	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 4900, __PRETTY_FUNCTION__));
4901
4902	if (!(smh = session->media_handle)) {
4903	return;
4904	}
4905
4906	engine = &smh->engines[type];
4907
4908	#ifdef RTCP_MUX
4909	if (!engine->rtcp_mux) {// && type == SWITCH_MEDIA_TYPE_AUDIO) {
4910	engine->rtcp_mux = SWITCH_TRUE;
4911	}
4912	#endif
4913
4914	if (!smh->msid) {
4915	switch_stun_random_string(tmp, 32, NULL((void*)0));
4916	tmp[32] = '\0';
4917	smh->msid = switch_core_session_strdup(session, tmp)switch_core_perform_session_strdup(session, tmp, "src/switch_core_media.c" , (const char *)__func__, 4917);
4918	}
4919
4920	if (!smh->cname) {
4921	switch_stun_random_string(tmp, 16, NULL((void*)0));
4922	tmp[16] = '\0';
4923	smh->cname = switch_core_session_strdup(session, tmp)switch_core_perform_session_strdup(session, tmp, "src/switch_core_media.c" , (const char *)__func__, 4923);
4924	}
4925
4926	if (!engine->ice_out.ufrag) {
4927	switch_stun_random_string(tmp, 16, NULL((void*)0));
4928	tmp[16] = '\0';
4929	engine->ice_out.ufrag = switch_core_session_strdup(session, tmp)switch_core_perform_session_strdup(session, tmp, "src/switch_core_media.c" , (const char *)__func__, 4929);
4930	}
4931
4932	if (!engine->ice_out.pwd) {
4933	switch_stun_random_string(tmp, 24, NULL((void*)0));
4934	tmp[24] = '\0';
4935	engine->ice_out.pwd = switch_core_session_strdup(session, tmp)switch_core_perform_session_strdup(session, tmp, "src/switch_core_media.c" , (const char *)__func__, 4935);
4936	}
4937
4938	if (!engine->ice_out.cands[0][0].foundation) {
4939	switch_stun_random_string(tmp, 10, "0123456789");
4940	tmp[10] = '\0';
4941	engine->ice_out.cands[0][0].foundation = switch_core_session_strdup(session, tmp)switch_core_perform_session_strdup(session, tmp, "src/switch_core_media.c" , (const char *)__func__, 4941);
4942	}
4943
4944	engine->ice_out.cands[0][0].transport = "udp";
4945
4946	if (!engine->ice_out.cands[0][0].component_id) {
4947	engine->ice_out.cands[0][0].component_id = 1;
4948	engine->ice_out.cands[0][0].priority = (2^24)126 + (2^8)65535 + (2^0)*(256 - engine->ice_out.cands[0][0].component_id);
4949	}
4950
4951	if (!zstr(ip)_zstr(ip)) {
4952	engine->ice_out.cands[0][0].con_addr = switch_core_session_strdup(session, ip)switch_core_perform_session_strdup(session, ip, "src/switch_core_media.c" , (const char *)__func__, 4952);
4953	}
4954
4955	if (port) {
4956	engine->ice_out.cands[0][0].con_port = port;
4957	}
4958
4959	engine->ice_out.cands[0][0].generation = "0";
4960	//add rport stuff later
4961
4962	engine->ice_out.cands[0][0].ready = 1;
4963
4964
4965	}
4966
4967	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_session_wake_video_thread(switch_core_session_t *session)
4968	{
4969	switch_media_handle_t *smh;
4970	switch_rtp_engine_t *v_engine;
4971
4972	if (!(smh = session->media_handle)) {
4973	return;
4974	}
4975
4976	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
4977
4978	if ((!smh->mparams->external_video_source) && (!v_engine->rtp_session)) {
4979	return;
4980	}
4981
4982	if (!v_engine->mh.cond_mutex) {
4983	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 4983, (const char)(session), SWITCH_LOG_WARNING, "Channel %s has no cond?\n",
4984	switch_channel_get_name(session->channel));
4985	return;
4986	}
4987
4988	if (switch_mutex_trylock(v_engine->mh.cond_mutex) == SWITCH_STATUS_SUCCESS) {
4989	switch_thread_cond_broadcast(v_engine->mh.cond);
4990	switch_mutex_unlock(v_engine->mh.cond_mutex);
4991	}
4992	}
4993
4994	static void check_dtls_reinvite(switch_core_session_t session, switch_rtp_engine_t engine)
4995	{
4996	if (switch_channel_test_flag(session->channel, CF_REINVITE)) {
4997
4998	if (!zstr(engine->local_dtls_fingerprint.str)_zstr(engine->local_dtls_fingerprint.str) && switch_rtp_has_dtls() && dtls_ok(session)) {
4999	dtls_type_t xtype, dtype = switch_ice_direction(session) == SWITCH_CALL_DIRECTION_INBOUND ? DTLS_TYPE_CLIENT : DTLS_TYPE_SERVER;
5000	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5000, (const char)(session), SWITCH_LOG_INFO, "RE-SETTING %s DTLS\n", type2str(engine->type)engine->type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio");
5001
5002	xtype = DTLS_TYPE_RTP;
5003	if (engine->rtcp_mux > 0) xtype \|= DTLS_TYPE_RTCP;
5004
5005	switch_rtp_add_dtls(engine->rtp_session, &engine->local_dtls_fingerprint, &engine->remote_dtls_fingerprint, dtype \| xtype);
5006
5007	if (engine->rtcp_mux < 1) {
5008	xtype = DTLS_TYPE_RTCP;
5009	switch_rtp_add_dtls(engine->rtp_session, &engine->local_dtls_fingerprint, &engine->remote_dtls_fingerprint, dtype \| xtype);
5010	}
5011
5012	}
5013	}
5014	}
5015
5016	//?
5017	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_activate_rtp(switch_core_session_t *session)
5018
5019	{
5020	const char err = NULL((void)0);
5021	const char val = NULL((void)0);
5022	switch_rtp_flag_t flags[SWITCH_RTP_FLAG_INVALID] = {0};
5023	switch_status_t status = SWITCH_STATUS_SUCCESS;
5024	char tmp[50];
5025	char timer_name = NULL((void)0);
5026	const char *var;
5027	switch_rtp_engine_t a_engine, v_engine;
5028	switch_media_handle_t *smh;
5029
5030	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 5030, __PRETTY_FUNCTION__));
5031
5032	if (!(smh = session->media_handle)) {
5033	return SWITCH_STATUS_FALSE;
5034	}
5035
5036	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
5037	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
5038
5039
5040	if (switch_channel_down(session->channel)(switch_channel_check_signal(session->channel, SWITCH_TRUE ) \|\| switch_channel_get_state(session->channel) >= CS_HANGUP )) {
5041	return SWITCH_STATUS_FALSE;
5042	}
5043
5044
5045	if (switch_rtp_ready(a_engine->rtp_session)) {
5046	switch_rtp_reset_media_timer(a_engine->rtp_session);
5047	}
5048
5049	if (a_engine->crypto_type != CRYPTO_INVALID) {
5050	switch_channel_set_flag(session->channel, CF_SECURE)switch_channel_set_flag_value(session->channel, CF_SECURE, 1);
5051	}
5052
5053	if (switch_channel_test_flag(session->channel, CF_PROXY_MODE)) {
5054	status = SWITCH_STATUS_SUCCESS;
5055	goto end;
5056	}
5057
5058	if (!switch_channel_test_flag(session->channel, CF_REINVITE)) {
5059	if (switch_rtp_ready(a_engine->rtp_session)) {
5060	if (switch_channel_test_flag(session->channel, CF_VIDEO_POSSIBLE) && !switch_rtp_ready(v_engine->rtp_session)) {
5061	goto video;
5062	}
5063
5064	status = SWITCH_STATUS_SUCCESS;
5065	goto end;
5066	}
5067	}
5068
5069	if ((status = switch_core_media_set_codec(session, 0, smh->mparams->codec_flags)) != SWITCH_STATUS_SUCCESS) {
5070	goto end;
5071	}
5072
5073	switch_core_media_set_video_codec(session, 0);
5074
5075
5076	memset(flags, 0, sizeof(flags));
5077	flags[SWITCH_RTP_FLAG_DATAWAIT]++;
5078
5079	if (!switch_media_handle_test_media_flag(smh, SCMF_DISABLE_RTP_AUTOADJ) && !switch_channel_test_flag(session->channel, CF_WEBRTC) &&
5080	!((val = switch_channel_get_variable(session->channel, "disable_rtp_auto_adjust")switch_channel_get_variable_dup(session->channel, "disable_rtp_auto_adjust" , SWITCH_TRUE, -1)) && switch_true(val))) {
5081	flags[SWITCH_RTP_FLAG_AUTOADJ]++;
5082	}
5083
5084	if (switch_media_handle_test_media_flag(smh, SCMF_PASS_RFC2833)
5085	\|\| ((val = switch_channel_get_variable(session->channel, "pass_rfc2833")switch_channel_get_variable_dup(session->channel, "pass_rfc2833" , SWITCH_TRUE, -1)) && switch_true(val))) {
5086	switch_channel_set_flag(session->channel, CF_PASS_RFC2833)switch_channel_set_flag_value(session->channel, CF_PASS_RFC2833 , 1);
5087	}
5088
5089
5090	if (switch_media_handle_test_media_flag(smh, SCMF_AUTOFLUSH)
5091	\|\| ((val = switch_channel_get_variable(session->channel, "rtp_autoflush")switch_channel_get_variable_dup(session->channel, "rtp_autoflush" , SWITCH_TRUE, -1)) && switch_true(val))) {
5092	flags[SWITCH_RTP_FLAG_AUTOFLUSH]++;
5093	}
5094
5095	if (!(switch_media_handle_test_media_flag(smh, SCMF_REWRITE_TIMESTAMPS) \|\|
5096	((val = switch_channel_get_variable(session->channel, "rtp_rewrite_timestamps")switch_channel_get_variable_dup(session->channel, "rtp_rewrite_timestamps" , SWITCH_TRUE, -1)) && switch_true(val)))) {
5097	flags[SWITCH_RTP_FLAG_RAW_WRITE]++;
5098	}
5099
5100	if (switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG)) {
5101	smh->mparams->cng_pt = 0;
5102	} else if (smh->mparams->cng_pt) {
5103	flags[SWITCH_RTP_FLAG_AUTO_CNG]++;
5104	}
5105
5106	#if __BYTE_ORDER1234 == __LITTLE_ENDIAN1234
5107	if (!strcasecmp(a_engine->read_impl.iananame, "L16")) {
5108	flags[SWITCH_RTP_FLAG_BYTESWAP]++;
5109	}
5110	#endif
5111
5112	if ((flags[SWITCH_RTP_FLAG_BYTESWAP]) && (val = switch_channel_get_variable(session->channel, "rtp_disable_byteswap")switch_channel_get_variable_dup(session->channel, "rtp_disable_byteswap" , SWITCH_TRUE, -1)) && switch_true(val)) {
5113	flags[SWITCH_RTP_FLAG_BYTESWAP] = 0;
5114	}
5115
5116	if (a_engine->rtp_session && switch_channel_test_flag(session->channel, CF_REINVITE)) {
5117	//const char *ip = switch_channel_get_variable(session->channel, SWITCH_LOCAL_MEDIA_IP_VARIABLE);
5118	//const char *port = switch_channel_get_variable(session->channel, SWITCH_LOCAL_MEDIA_PORT_VARIABLE);
5119	char *remote_host = switch_rtp_get_remote_host(a_engine->rtp_session);
5120	switch_port_t remote_port = switch_rtp_get_remote_port(a_engine->rtp_session);
5121
5122	if (remote_host && remote_port && !strcmp(remote_host, a_engine->cur_payload_map->remote_sdp_ip)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (remote_host) && __builtin_constant_p (a_engine-> cur_payload_map->remote_sdp_ip) && (__s1_len = __builtin_strlen (remote_host), __s2_len = __builtin_strlen (a_engine->cur_payload_map ->remote_sdp_ip), (!((size_t)(const void )((remote_host) + 1) - (size_t)(const void )(remote_host) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((a_engine->cur_payload_map ->remote_sdp_ip) + 1) - (size_t)(const void )(a_engine-> cur_payload_map->remote_sdp_ip) == 1) \|\| __s2_len >= 4) ) ? __builtin_strcmp (remote_host, a_engine->cur_payload_map ->remote_sdp_ip) : (__builtin_constant_p (remote_host) && ((size_t)(const void )((remote_host) + 1) - (size_t)(const void )(remote_host) == 1) && (__s1_len = __builtin_strlen (remote_host), __s1_len < 4) ? (__builtin_constant_p (a_engine ->cur_payload_map->remote_sdp_ip) && ((size_t)( const void )((a_engine->cur_payload_map->remote_sdp_ip ) + 1) - (size_t)(const void )(a_engine->cur_payload_map-> remote_sdp_ip) == 1) ? __builtin_strcmp (remote_host, a_engine ->cur_payload_map->remote_sdp_ip) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip); int __result = (((const unsigned char ) (const char ) (remote_host))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (remote_host))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (remote_host))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (remote_host))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (a_engine ->cur_payload_map->remote_sdp_ip) && ((size_t)( const void )((a_engine->cur_payload_map->remote_sdp_ip ) + 1) - (size_t)(const void )(a_engine->cur_payload_map-> remote_sdp_ip) == 1) && (__s2_len = __builtin_strlen ( a_engine->cur_payload_map->remote_sdp_ip), __s2_len < 4) ? (__builtin_constant_p (remote_host) && ((size_t )(const void )((remote_host) + 1) - (size_t)(const void )(remote_host ) == 1) ? __builtin_strcmp (remote_host, a_engine->cur_payload_map ->remote_sdp_ip) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (remote_host) ; int __result = (((const unsigned char ) (const char ) (a_engine ->cur_payload_map->remote_sdp_ip))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip ))[1] - __s2[1]); if (__s2_len > 1 && __result == 0 ) { __result = (((const unsigned char ) (const char ) (a_engine ->cur_payload_map->remote_sdp_ip))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip ))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (remote_host , a_engine->cur_payload_map->remote_sdp_ip)))); }) &&
5123	remote_port == a_engine->cur_payload_map->remote_sdp_port) {
5124	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5124, (const char)(session), SWITCH_LOG_DEBUG, "Audio params are unchanged for %s.\n",
5125	switch_channel_get_name(session->channel));
5126	a_engine->cur_payload_map->negotiated = 1;
5127	//XX
5128	goto video;
5129	} else {
5130	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5130, (const char)(session), SWITCH_LOG_DEBUG, "Audio params changed for %s from %s:%d to %s:%d\n",
5131	switch_channel_get_name(session->channel),
5132	remote_host, remote_port, a_engine->cur_payload_map->remote_sdp_ip, a_engine->cur_payload_map->remote_sdp_port);
5133
5134	switch_snprintf(tmp, sizeof(tmp), "%d", a_engine->cur_payload_map->remote_sdp_port);
5135	switch_channel_set_variable(session->channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE, a_engine->cur_payload_map->remote_sdp_ip)switch_channel_set_variable_var_check(session->channel, "remote_media_ip" , a_engine->cur_payload_map->remote_sdp_ip, SWITCH_TRUE );
5136	switch_channel_set_variable(session->channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE, tmp)switch_channel_set_variable_var_check(session->channel, "remote_media_port" , tmp, SWITCH_TRUE);
5137	}
5138	}
5139
5140	if (!switch_channel_test_flag(session->channel, CF_PROXY_MEDIA)) {
5141	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5141, (const char)(session), SWITCH_LOG_DEBUG, "AUDIO RTP [%s] %s port %d -> %s port %d codec: %u ms: %d\n",
5142	switch_channel_get_name(session->channel),
5143	a_engine->local_sdp_ip,
5144	a_engine->local_sdp_port,
5145	a_engine->cur_payload_map->remote_sdp_ip,
5146	a_engine->cur_payload_map->remote_sdp_port, a_engine->cur_payload_map->agreed_pt, a_engine->read_impl.microseconds_per_packet / 1000);
5147
5148	//XX
5149	}
5150
5151	switch_snprintf(tmp, sizeof(tmp), "%d", a_engine->local_sdp_port);
5152	switch_channel_set_variable(session->channel, SWITCH_LOCAL_MEDIA_IP_VARIABLE, a_engine->local_sdp_ip)switch_channel_set_variable_var_check(session->channel, "local_media_ip" , a_engine->local_sdp_ip, SWITCH_TRUE);
5153	switch_channel_set_variable(session->channel, SWITCH_LOCAL_MEDIA_PORT_VARIABLE, tmp)switch_channel_set_variable_var_check(session->channel, "local_media_port" , tmp, SWITCH_TRUE);
5154	switch_channel_set_variable(session->channel, SWITCH_ADVERTISED_MEDIA_IP_VARIABLE, a_engine->adv_sdp_ip)switch_channel_set_variable_var_check(session->channel, "advertised_media_ip" , a_engine->adv_sdp_ip, SWITCH_TRUE);
5155
5156	if (a_engine->rtp_session && switch_channel_test_flag(session->channel, CF_REINVITE)) {
5157	const char rport = NULL((void)0);
5158	switch_port_t remote_rtcp_port = a_engine->remote_rtcp_port;
5159
5160	if (!remote_rtcp_port) {
5161	if ((rport = switch_channel_get_variable(session->channel, "rtp_remote_audio_rtcp_port")switch_channel_get_variable_dup(session->channel, "rtp_remote_audio_rtcp_port" , SWITCH_TRUE, -1))) {
5162	remote_rtcp_port = (switch_port_t)atoi(rport);
5163	}
5164	}
5165
5166	if (switch_rtp_set_remote_address(a_engine->rtp_session, a_engine->cur_payload_map->remote_sdp_ip, a_engine->cur_payload_map->remote_sdp_port,
5167	remote_rtcp_port, SWITCH_TRUE, &err) != SWITCH_STATUS_SUCCESS) {
5168	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5168, (const char)(session), SWITCH_LOG_ERROR, "AUDIO RTP REPORTS ERROR: [%s]\n", err);
5169	} else {
5170	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5170, (const char)(session), SWITCH_LOG_DEBUG, "AUDIO RTP CHANGING DEST TO: [%s:%d]\n",
5171	a_engine->cur_payload_map->remote_sdp_ip, a_engine->cur_payload_map->remote_sdp_port);
5172
5173	if (switch_channel_test_flag(session->channel, CF_PROTO_HOLD) && strcmp(a_engine->cur_payload_map->remote_sdp_ip, "0.0.0.0")__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (a_engine->cur_payload_map->remote_sdp_ip) && __builtin_constant_p ("0.0.0.0") && (__s1_len = __builtin_strlen (a_engine ->cur_payload_map->remote_sdp_ip), __s2_len = __builtin_strlen ("0.0.0.0"), (!((size_t)(const void )((a_engine->cur_payload_map ->remote_sdp_ip) + 1) - (size_t)(const void )(a_engine-> cur_payload_map->remote_sdp_ip) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )(("0.0.0.0") + 1) - (size_t )(const void )("0.0.0.0") == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (a_engine->cur_payload_map->remote_sdp_ip, "0.0.0.0") : (__builtin_constant_p (a_engine->cur_payload_map->remote_sdp_ip ) && ((size_t)(const void )((a_engine->cur_payload_map ->remote_sdp_ip) + 1) - (size_t)(const void )(a_engine-> cur_payload_map->remote_sdp_ip) == 1) && (__s1_len = __builtin_strlen (a_engine->cur_payload_map->remote_sdp_ip ), __s1_len < 4) ? (__builtin_constant_p ("0.0.0.0") && ((size_t)(const void )(("0.0.0.0") + 1) - (size_t)(const void )("0.0.0.0") == 1) ? __builtin_strcmp (a_engine->cur_payload_map ->remote_sdp_ip, "0.0.0.0") : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) ("0.0.0.0" ); int __result = (((const unsigned char ) (const char ) (a_engine ->cur_payload_map->remote_sdp_ip))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip ))[1] - __s2[1]); if (__s1_len > 1 && __result == 0 ) { __result = (((const unsigned char ) (const char ) (a_engine ->cur_payload_map->remote_sdp_ip))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (a_engine->cur_payload_map->remote_sdp_ip ))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ( "0.0.0.0") && ((size_t)(const void )(("0.0.0.0") + 1 ) - (size_t)(const void )("0.0.0.0") == 1) && (__s2_len = __builtin_strlen ("0.0.0.0"), __s2_len < 4) ? (__builtin_constant_p (a_engine->cur_payload_map->remote_sdp_ip) && ( (size_t)(const void )((a_engine->cur_payload_map->remote_sdp_ip ) + 1) - (size_t)(const void )(a_engine->cur_payload_map-> remote_sdp_ip) == 1) ? __builtin_strcmp (a_engine->cur_payload_map ->remote_sdp_ip, "0.0.0.0") : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (a_engine ->cur_payload_map->remote_sdp_ip); int __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) ("0.0.0.0"))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (a_engine->cur_payload_map ->remote_sdp_ip, "0.0.0.0")))); })) {
5174	switch_core_media_toggle_hold(session, 0);
5175	}
5176
5177
5178	if (!switch_media_handle_test_media_flag(smh, SCMF_DISABLE_RTP_AUTOADJ) &&
5179	!((val = switch_channel_get_variable(session->channel, "disable_rtp_auto_adjust")switch_channel_get_variable_dup(session->channel, "disable_rtp_auto_adjust" , SWITCH_TRUE, -1)) && switch_true(val)) &&
5180	!switch_channel_test_flag(session->channel, CF_WEBRTC)) {
5181	/* Reactivate the NAT buster flag. */
5182	switch_rtp_set_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_AUTOADJ);
5183	}
5184	}
5185
5186	if (session && a_engine) {
5187	check_dtls_reinvite(session, a_engine);
5188	}
5189
5190	goto video;
5191	}
5192
5193	if (switch_channel_test_flag(session->channel, CF_PROXY_MEDIA)) {
5194	switch_core_media_proxy_remote_addr(session, NULL((void*)0));
5195
5196	memset(flags, 0, sizeof(flags));
5197	flags[SWITCH_RTP_FLAG_DATAWAIT]++;
5198	flags[SWITCH_RTP_FLAG_PROXY_MEDIA]++;
5199
5200	if (!switch_media_handle_test_media_flag(smh, SCMF_DISABLE_RTP_AUTOADJ) && !switch_channel_test_flag(session->channel, CF_WEBRTC) &&
5201	!((val = switch_channel_get_variable(session->channel, "disable_rtp_auto_adjust")switch_channel_get_variable_dup(session->channel, "disable_rtp_auto_adjust" , SWITCH_TRUE, -1)) && switch_true(val))) {
5202	flags[SWITCH_RTP_FLAG_AUTOADJ]++;
5203	}
5204	timer_name = NULL((void*)0);
5205
5206	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5206, (const char)(session), SWITCH_LOG_DEBUG,
5207	"PROXY AUDIO RTP [%s] %s:%d->%s:%d codec: %u ms: %d\n",
5208	switch_channel_get_name(session->channel),
5209	a_engine->cur_payload_map->remote_sdp_ip,
5210	a_engine->cur_payload_map->remote_sdp_port,
5211	a_engine->cur_payload_map->remote_sdp_ip,
5212	a_engine->cur_payload_map->remote_sdp_port, a_engine->cur_payload_map->agreed_pt, a_engine->read_impl.microseconds_per_packet / 1000);
5213
5214	if (switch_rtp_ready(a_engine->rtp_session)) {
5215	switch_rtp_set_default_payload(a_engine->rtp_session, a_engine->cur_payload_map->agreed_pt);
5216	}
5217
5218	} else {
5219	timer_name = smh->mparams->timer_name;
5220
5221	if ((var = switch_channel_get_variable(session->channel, "rtp_timer_name")switch_channel_get_variable_dup(session->channel, "rtp_timer_name" , SWITCH_TRUE, -1))) {
5222	timer_name = (char *) var;
5223	}
5224	}
5225
5226	if (switch_channel_up(session->channel)(switch_channel_check_signal(session->channel, SWITCH_TRUE ) \|\| switch_channel_get_state(session->channel) < CS_HANGUP )) {
5227	switch_channel_set_variable(session->channel, "rtp_use_timer_name", timer_name)switch_channel_set_variable_var_check(session->channel, "rtp_use_timer_name" , timer_name, SWITCH_TRUE);
5228
5229	a_engine->rtp_session = switch_rtp_new(a_engine->local_sdp_ip,
5230	a_engine->local_sdp_port,
5231	a_engine->cur_payload_map->remote_sdp_ip,
5232	a_engine->cur_payload_map->remote_sdp_port,
5233	a_engine->cur_payload_map->agreed_pt,
5234	a_engine->read_impl.samples_per_packet,
5235	a_engine->cur_payload_map->codec_ms * 1000,
5236	flags, timer_name, &err, switch_core_session_get_pool(session));
5237
5238	if (switch_rtp_ready(a_engine->rtp_session)) {
5239	switch_rtp_set_payload_map(a_engine->rtp_session, &a_engine->payload_map);
5240	}
5241	}
5242
5243	if (switch_rtp_ready(a_engine->rtp_session)) {
5244	uint8_t vad_in = (smh->mparams->vflags & VAD_IN);
5245	uint8_t vad_out = (smh->mparams->vflags & VAD_OUT);
5246	uint8_t inb = switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_INBOUND;
5247	const char *ssrc;
5248
5249	switch_mutex_init(&a_engine->read_mutex[SWITCH_MEDIA_TYPE_AUDIO], SWITCH_MUTEX_NESTED0x1, switch_core_session_get_pool(session));
5250
5251	//switch_core_media_set_rtp_session(session, SWITCH_MEDIA_TYPE_AUDIO, a_engine->rtp_session);
5252
5253	if ((ssrc = switch_channel_get_variable(session->channel, "rtp_use_ssrc")switch_channel_get_variable_dup(session->channel, "rtp_use_ssrc" , SWITCH_TRUE, -1))) {
5254	uint32_t ssrc_ul = (uint32_t) strtoul(ssrc, NULL((void*)0), 10);
5255	switch_rtp_set_ssrc(a_engine->rtp_session, ssrc_ul);
5256	a_engine->ssrc = ssrc_ul;
5257	} else {
5258	switch_rtp_set_ssrc(a_engine->rtp_session, a_engine->ssrc);
5259	}
5260
5261	if (a_engine->remote_ssrc) {
5262	switch_rtp_set_remote_ssrc(a_engine->rtp_session, a_engine->remote_ssrc);
5263	}
5264
5265	switch_channel_set_flag(session->channel, CF_FS_RTP)switch_channel_set_flag_value(session->channel, CF_FS_RTP, 1);
5266
5267	switch_channel_set_variable_printf(session->channel, "rtp_use_pt", "%d", a_engine->cur_payload_map->agreed_pt);
5268
5269	if ((val = switch_channel_get_variable(session->channel, "rtp_enable_vad_in")switch_channel_get_variable_dup(session->channel, "rtp_enable_vad_in" , SWITCH_TRUE, -1)) && switch_true(val)) {
5270	vad_in = 1;
5271	}
5272	if ((val = switch_channel_get_variable(session->channel, "rtp_enable_vad_out")switch_channel_get_variable_dup(session->channel, "rtp_enable_vad_out" , SWITCH_TRUE, -1)) && switch_true(val)) {
5273	vad_out = 1;
5274	}
5275
5276	if ((val = switch_channel_get_variable(session->channel, "rtp_disable_vad_in")switch_channel_get_variable_dup(session->channel, "rtp_disable_vad_in" , SWITCH_TRUE, -1)) && switch_true(val)) {
5277	vad_in = 0;
5278	}
5279	if ((val = switch_channel_get_variable(session->channel, "rtp_disable_vad_out")switch_channel_get_variable_dup(session->channel, "rtp_disable_vad_out" , SWITCH_TRUE, -1)) && switch_true(val)) {
5280	vad_out = 0;
5281	}
5282
5283
5284	a_engine->ssrc = switch_rtp_get_ssrc(a_engine->rtp_session);
5285	switch_channel_set_variable_printf(session->channel, "rtp_use_ssrc", "%u", a_engine->ssrc);
5286
5287
5288
5289	if (smh->mparams->auto_rtp_bugs & RTP_BUG_IGNORE_MARK_BIT) {
5290	a_engine->rtp_bugs \|= RTP_BUG_IGNORE_MARK_BIT;
5291	}
5292
5293	if ((val = switch_channel_get_variable(session->channel, "rtp_manual_rtp_bugs")switch_channel_get_variable_dup(session->channel, "rtp_manual_rtp_bugs" , SWITCH_TRUE, -1))) {
5294	switch_core_media_parse_rtp_bugs(&a_engine->rtp_bugs, val);
5295	}
5296
5297	if (switch_channel_test_flag(session->channel, CF_WEBRTC)) {
5298	smh->mparams->manual_rtp_bugs = RTP_BUG_SEND_LINEAR_TIMESTAMPS;
5299	}
5300
5301	switch_rtp_intentional_bugs(a_engine->rtp_session, a_engine->rtp_bugs \| smh->mparams->manual_rtp_bugs);
5302
5303	if ((vad_in && inb) \|\| (vad_out && !inb)) {
5304	switch_rtp_enable_vad(a_engine->rtp_session, session, &a_engine->read_codec, SWITCH_VAD_FLAG_TALKING \| SWITCH_VAD_FLAG_EVENTS_TALK \| SWITCH_VAD_FLAG_EVENTS_NOTALK);
5305
5306	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5306, (const char)(session), SWITCH_LOG_DEBUG, "AUDIO RTP Engage VAD for %s ( %s %s )\n",
5307	switch_channel_get_name(switch_core_session_get_channel(session)), vad_in ? "in" : "", vad_out ? "out" : "");
5308	}
5309
5310
5311	if (a_engine->ice_in.cands[a_engine->ice_in.chosen[0]][0].ready) {
5312
5313	gen_ice(session, SWITCH_MEDIA_TYPE_AUDIO, NULL((void*)0), 0);
5314
5315	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5315, (const char)(session), SWITCH_LOG_INFO, "Activating Audio ICE\n");
5316
5317	switch_rtp_activate_ice(a_engine->rtp_session,
5318	a_engine->ice_in.ufrag,
5319	a_engine->ice_out.ufrag,
5320	a_engine->ice_out.pwd,
5321	a_engine->ice_in.pwd,
5322	IPR_RTP,
5323	#ifdef GOOGLE_ICE
5324	ICE_GOOGLE_JINGLE,
5325	NULL((void*)0)
5326	#else
5327	switch_ice_direction(session) ==
5328	SWITCH_CALL_DIRECTION_OUTBOUND ? ICE_VANILLA : (ICE_VANILLA \| ICE_CONTROLLED),
5329	&a_engine->ice_in
5330	#endif
5331	);
5332
5333
5334
5335	}
5336
5337
5338
5339	if ((val = switch_channel_get_variable(session->channel, "rtcp_audio_interval_msec")switch_channel_get_variable_dup(session->channel, "rtcp_audio_interval_msec" , SWITCH_TRUE, -1)) \|\| (val = smh->mparams->rtcp_audio_interval_msec)) {
5340	const char *rport = switch_channel_get_variable(session->channel, "rtp_remote_audio_rtcp_port")switch_channel_get_variable_dup(session->channel, "rtp_remote_audio_rtcp_port" , SWITCH_TRUE, -1);
5341	switch_port_t remote_rtcp_port = a_engine->remote_rtcp_port;
5342
5343	if (!remote_rtcp_port && rport) {
5344	remote_rtcp_port = (switch_port_t)atoi(rport);
5345	}
5346
5347	if (!strcasecmp(val, "passthru")) {
5348	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5348, (const char)(session), SWITCH_LOG_INFO, "Activating RTCP PASSTHRU PORT %d\n", remote_rtcp_port);
5349	switch_rtp_activate_rtcp(a_engine->rtp_session, -1, remote_rtcp_port, a_engine->rtcp_mux > 0);
5350	} else {
5351	int interval = atoi(val);
5352	if (interval < 100 \|\| interval > 500000) {
5353	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5353, (const char)(session), SWITCH_LOG_ERROR,
5354	"Invalid rtcp interval spec [%d] must be between 100 and 500000\n", interval);
5355	interval = 10000;
5356	}
5357
5358	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5358, (const char)(session), SWITCH_LOG_INFO, "Activating RTCP PORT %d\n", remote_rtcp_port);
5359	switch_rtp_activate_rtcp(a_engine->rtp_session, interval, remote_rtcp_port, a_engine->rtcp_mux > 0);
5360
5361	}
5362
5363	if (a_engine->ice_in.cands[a_engine->ice_in.chosen[1]][1].ready) {
5364	if (a_engine->rtcp_mux > 0 && !strcmp(a_engine->ice_in.cands[a_engine->ice_in.chosen[1]][1].con_addr, a_engine->ice_in.cands[a_engine->ice_in.chosen[0]][0].con_addr)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (a_engine->ice_in.cands[a_engine->ice_in.chosen[1]][1] .con_addr) && __builtin_constant_p (a_engine->ice_in .cands[a_engine->ice_in.chosen[0]][0].con_addr) && (__s1_len = __builtin_strlen (a_engine->ice_in.cands[a_engine ->ice_in.chosen[1]][1].con_addr), __s2_len = __builtin_strlen (a_engine->ice_in.cands[a_engine->ice_in.chosen[0]][0] .con_addr), (!((size_t)(const void )((a_engine->ice_in.cands [a_engine->ice_in.chosen[1]][1].con_addr) + 1) - (size_t)( const void )(a_engine->ice_in.cands[a_engine->ice_in.chosen [1]][1].con_addr) == 1) \|\| __s1_len >= 4) && (!((size_t )(const void )((a_engine->ice_in.cands[a_engine->ice_in .chosen[0]][0].con_addr) + 1) - (size_t)(const void )(a_engine ->ice_in.cands[a_engine->ice_in.chosen[0]][0].con_addr) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (a_engine-> ice_in.cands[a_engine->ice_in.chosen[1]][1].con_addr, a_engine ->ice_in.cands[a_engine->ice_in.chosen[0]][0].con_addr) : (__builtin_constant_p (a_engine->ice_in.cands[a_engine-> ice_in.chosen[1]][1].con_addr) && ((size_t)(const void )((a_engine->ice_in.cands[a_engine->ice_in.chosen[1]] [1].con_addr) + 1) - (size_t)(const void )(a_engine->ice_in .cands[a_engine->ice_in.chosen[1]][1].con_addr) == 1) && (__s1_len = __builtin_strlen (a_engine->ice_in.cands[a_engine ->ice_in.chosen[1]][1].con_addr), __s1_len < 4) ? (__builtin_constant_p (a_engine->ice_in.cands[a_engine->ice_in.chosen[0]][0] .con_addr) && ((size_t)(const void )((a_engine->ice_in .cands[a_engine->ice_in.chosen[0]][0].con_addr) + 1) - (size_t )(const void )(a_engine->ice_in.cands[a_engine->ice_in .chosen[0]][0].con_addr) == 1) ? __builtin_strcmp (a_engine-> ice_in.cands[a_engine->ice_in.chosen[1]][1].con_addr, a_engine ->ice_in.cands[a_engine->ice_in.chosen[0]][0].con_addr) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (a_engine->ice_in.cands[a_engine-> ice_in.chosen[0]][0].con_addr); int __result = (((const unsigned char ) (const char ) (a_engine->ice_in.cands[a_engine-> ice_in.chosen[1]][1].con_addr))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->ice_in.cands[a_engine->ice_in .chosen[1]][1].con_addr))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->ice_in.cands[a_engine->ice_in.chosen [1]][1].con_addr))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (a_engine->ice_in.cands[a_engine->ice_in.chosen[1]] [1].con_addr))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (a_engine->ice_in.cands[a_engine->ice_in.chosen[0]][0] .con_addr) && ((size_t)(const void )((a_engine->ice_in .cands[a_engine->ice_in.chosen[0]][0].con_addr) + 1) - (size_t )(const void )(a_engine->ice_in.cands[a_engine->ice_in .chosen[0]][0].con_addr) == 1) && (__s2_len = __builtin_strlen (a_engine->ice_in.cands[a_engine->ice_in.chosen[0]][0] .con_addr), __s2_len < 4) ? (__builtin_constant_p (a_engine ->ice_in.cands[a_engine->ice_in.chosen[1]][1].con_addr) && ((size_t)(const void )((a_engine->ice_in.cands [a_engine->ice_in.chosen[1]][1].con_addr) + 1) - (size_t)( const void )(a_engine->ice_in.cands[a_engine->ice_in.chosen [1]][1].con_addr) == 1) ? __builtin_strcmp (a_engine->ice_in .cands[a_engine->ice_in.chosen[1]][1].con_addr, a_engine-> ice_in.cands[a_engine->ice_in.chosen[0]][0].con_addr) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (a_engine->ice_in.cands[a_engine-> ice_in.chosen[1]][1].con_addr); int __result = (((const unsigned char ) (const char ) (a_engine->ice_in.cands[a_engine-> ice_in.chosen[0]][0].con_addr))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->ice_in.cands[a_engine->ice_in .chosen[0]][0].con_addr))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->ice_in.cands[a_engine->ice_in.chosen [0]][0].con_addr))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (a_engine->ice_in.cands[a_engine->ice_in.chosen[0]] [0].con_addr))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (a_engine->ice_in.cands[a_engine->ice_in.chosen[1]][1] .con_addr, a_engine->ice_in.cands[a_engine->ice_in.chosen [0]][0].con_addr)))); })
5365	&& a_engine->ice_in.cands[a_engine->ice_in.chosen[1]][1].con_port == a_engine->ice_in.cands[a_engine->ice_in.chosen[0]][0].con_port) {
5366	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5366, (const char)(session), SWITCH_LOG_INFO, "Skipping RTCP ICE (Same as RTP)\n");
5367	} else {
5368	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5368, (const char)(session), SWITCH_LOG_INFO, "Activating RTCP ICE\n");
5369
5370	switch_rtp_activate_ice(a_engine->rtp_session,
5371	a_engine->ice_in.ufrag,
5372	a_engine->ice_out.ufrag,
5373	a_engine->ice_out.pwd,
5374	a_engine->ice_in.pwd,
5375	IPR_RTCP,
5376	#ifdef GOOGLE_ICE
5377	ICE_GOOGLE_JINGLE,
5378	NULL((void*)0)
5379	#else
5380	switch_ice_direction(session) ==
5381	SWITCH_CALL_DIRECTION_OUTBOUND ? ICE_VANILLA : (ICE_VANILLA \| ICE_CONTROLLED),
5382	&a_engine->ice_in
5383	#endif
5384	);
5385	}
5386
5387	}
5388	}
5389
5390	if (!zstr(a_engine->local_dtls_fingerprint.str)_zstr(a_engine->local_dtls_fingerprint.str) && switch_rtp_has_dtls() && dtls_ok(smh->session)) {
5391	dtls_type_t xtype, dtype = switch_channel_direction(smh->session->channel) == SWITCH_CALL_DIRECTION_INBOUND ? DTLS_TYPE_CLIENT : DTLS_TYPE_SERVER;
5392
5393	if (switch_channel_test_flag(smh->session->channel, CF_3PCC)) {
5394	dtype = (dtype == DTLS_TYPE_CLIENT) ? DTLS_TYPE_SERVER : DTLS_TYPE_CLIENT;
5395	}
5396
5397	xtype = DTLS_TYPE_RTP;
5398	if (a_engine->rtcp_mux > 0 && smh->mparams->rtcp_audio_interval_msec) xtype \|= DTLS_TYPE_RTCP;
5399
5400	switch_rtp_add_dtls(a_engine->rtp_session, &a_engine->local_dtls_fingerprint, &a_engine->remote_dtls_fingerprint, dtype \| xtype);
5401
5402	if (a_engine->rtcp_mux < 1 && smh->mparams->rtcp_audio_interval_msec) {
5403	xtype = DTLS_TYPE_RTCP;
5404	switch_rtp_add_dtls(a_engine->rtp_session, &a_engine->local_dtls_fingerprint, &a_engine->remote_dtls_fingerprint, dtype \| xtype);
5405	}
5406
5407	}
5408
5409	check_jb(session, NULL((void*)0));
5410
5411	if ((val = switch_channel_get_variable(session->channel, "rtp_timeout_sec")switch_channel_get_variable_dup(session->channel, "rtp_timeout_sec" , SWITCH_TRUE, -1))) {
5412	int v = atoi(val);
5413	if (v >= 0) {
5414	smh->mparams->rtp_timeout_sec = v;
5415	}
5416	}
5417
5418	if ((val = switch_channel_get_variable(session->channel, "rtp_hold_timeout_sec")switch_channel_get_variable_dup(session->channel, "rtp_hold_timeout_sec" , SWITCH_TRUE, -1))) {
5419	int v = atoi(val);
5420	if (v >= 0) {
5421	smh->mparams->rtp_hold_timeout_sec = v;
5422	}
5423	}
5424
5425	if (smh->mparams->rtp_timeout_sec) {
5426	a_engine->max_missed_packets = (a_engine->read_impl.samples_per_second * smh->mparams->rtp_timeout_sec) / a_engine->read_impl.samples_per_packet;
5427
5428	switch_rtp_set_max_missed_packets(a_engine->rtp_session, a_engine->max_missed_packets);
5429	if (!smh->mparams->rtp_hold_timeout_sec) {
5430	smh->mparams->rtp_hold_timeout_sec = smh->mparams->rtp_timeout_sec * 10;
5431	}
5432	}
5433
5434	if (smh->mparams->rtp_hold_timeout_sec) {
5435	a_engine->max_missed_hold_packets = (a_engine->read_impl.samples_per_second * smh->mparams->rtp_hold_timeout_sec) / a_engine->read_impl.samples_per_packet;
5436	}
5437
5438	if (smh->mparams->te) {
5439	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5439, (const char)(session), SWITCH_LOG_DEBUG, "Set 2833 dtmf send payload to %u\n", smh->mparams->te);
5440	switch_rtp_set_telephony_event(a_engine->rtp_session, smh->mparams->te);
5441	switch_channel_set_variable_printf(session->channel, "rtp_2833_send_payload", "%d", smh->mparams->te);
5442	}
5443
5444	if (smh->mparams->recv_te) {
5445	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5445, (const char)(session), SWITCH_LOG_DEBUG, "Set 2833 dtmf receive payload to %u\n", smh->mparams->recv_te);
5446	switch_rtp_set_telephony_recv_event(a_engine->rtp_session, smh->mparams->recv_te);
5447	switch_channel_set_variable_printf(session->channel, "rtp_2833_recv_payload", "%d", smh->mparams->recv_te);
5448	}
5449
5450	//XX
5451
5452	if (switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG) \|\|
5453	((val = switch_channel_get_variable(session->channel, "supress_cng")switch_channel_get_variable_dup(session->channel, "supress_cng" , SWITCH_TRUE, -1)) && switch_true(val)) \|\|
5454	((val = switch_channel_get_variable(session->channel, "suppress_cng")switch_channel_get_variable_dup(session->channel, "suppress_cng" , SWITCH_TRUE, -1)) && switch_true(val))) {
5455	smh->mparams->cng_pt = 0;
5456	}
5457
5458	if (((val = switch_channel_get_variable(session->channel, "rtp_digit_delay")switch_channel_get_variable_dup(session->channel, "rtp_digit_delay" , SWITCH_TRUE, -1)))) {
5459	int delayi = atoi(val);
5460	if (delayi < 0) delayi = 0;
5461	smh->mparams->dtmf_delay = (uint32_t) delayi;
5462	}
5463
5464
5465	if (smh->mparams->dtmf_delay) {
5466	switch_rtp_set_interdigit_delay(a_engine->rtp_session, smh->mparams->dtmf_delay);
5467	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5467, (const char)(session), SWITCH_LOG_DEBUG,
5468	"%s Set rtp dtmf delay to %u\n", switch_channel_get_name(session->channel), smh->mparams->dtmf_delay);
5469
5470	}
5471
5472	if (smh->mparams->cng_pt && !switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG)) {
5473	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5473, (const char)(session), SWITCH_LOG_DEBUG, "Set comfort noise payload to %u\n", smh->mparams->cng_pt);
5474	switch_rtp_set_cng_pt(a_engine->rtp_session, smh->mparams->cng_pt);
5475	}
5476
5477	switch_core_session_apply_crypto(session, SWITCH_MEDIA_TYPE_AUDIO);
5478
5479	switch_snprintf(tmp, sizeof(tmp), "%d", a_engine->cur_payload_map->remote_sdp_port);
5480	switch_channel_set_variable(session->channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE, a_engine->cur_payload_map->remote_sdp_ip)switch_channel_set_variable_var_check(session->channel, "remote_media_ip" , a_engine->cur_payload_map->remote_sdp_ip, SWITCH_TRUE );
5481	switch_channel_set_variable(session->channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE, tmp)switch_channel_set_variable_var_check(session->channel, "remote_media_port" , tmp, SWITCH_TRUE);
5482
5483
5484	if (switch_channel_test_flag(session->channel, CF_ZRTP_PASSTHRU)) {
5485	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5485, (const char)(session), SWITCH_LOG_INFO, "Activating ZRTP PROXY MODE\n");
5486	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5486, (const char)(session), SWITCH_LOG_DEBUG, "Disable NOTIMER_DURING_BRIDGE\n");
5487	switch_channel_clear_flag(session->channel, CF_NOTIMER_DURING_BRIDGE);
5488	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5488, (const char)(session), SWITCH_LOG_DEBUG, "Activating audio UDPTL mode\n");
5489	switch_rtp_udptl_mode(a_engine->rtp_session);
5490	}
5491
5492
5493
5494
5495
5496
5497	video:
5498
5499	if (switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
5500	switch_core_media_check_video_codecs(session);
5501	}
5502
5503	if (switch_channel_test_flag(session->channel, CF_VIDEO_POSSIBLE) && v_engine->cur_payload_map->rm_encoding && v_engine->cur_payload_map->remote_sdp_port) {
5504	/******************************************************************************************/
5505	if (v_engine->rtp_session && switch_channel_test_flag(session->channel, CF_REINVITE)) {
5506	//const char *ip = switch_channel_get_variable(session->channel, SWITCH_LOCAL_MEDIA_IP_VARIABLE);
5507	//const char *port = switch_channel_get_variable(session->channel, SWITCH_LOCAL_MEDIA_PORT_VARIABLE);
5508	char *remote_host = switch_rtp_get_remote_host(v_engine->rtp_session);
5509	switch_port_t remote_port = switch_rtp_get_remote_port(v_engine->rtp_session);
5510
5511
5512
5513	if (remote_host && remote_port && !strcmp(remote_host, v_engine->cur_payload_map->remote_sdp_ip)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (remote_host) && __builtin_constant_p (v_engine-> cur_payload_map->remote_sdp_ip) && (__s1_len = __builtin_strlen (remote_host), __s2_len = __builtin_strlen (v_engine->cur_payload_map ->remote_sdp_ip), (!((size_t)(const void )((remote_host) + 1) - (size_t)(const void )(remote_host) == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((v_engine->cur_payload_map ->remote_sdp_ip) + 1) - (size_t)(const void )(v_engine-> cur_payload_map->remote_sdp_ip) == 1) \|\| __s2_len >= 4) ) ? __builtin_strcmp (remote_host, v_engine->cur_payload_map ->remote_sdp_ip) : (__builtin_constant_p (remote_host) && ((size_t)(const void )((remote_host) + 1) - (size_t)(const void )(remote_host) == 1) && (__s1_len = __builtin_strlen (remote_host), __s1_len < 4) ? (__builtin_constant_p (v_engine ->cur_payload_map->remote_sdp_ip) && ((size_t)( const void )((v_engine->cur_payload_map->remote_sdp_ip ) + 1) - (size_t)(const void )(v_engine->cur_payload_map-> remote_sdp_ip) == 1) ? __builtin_strcmp (remote_host, v_engine ->cur_payload_map->remote_sdp_ip) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (v_engine->cur_payload_map->remote_sdp_ip); int __result = (((const unsigned char ) (const char ) (remote_host))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (remote_host))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (remote_host))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (remote_host))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (v_engine ->cur_payload_map->remote_sdp_ip) && ((size_t)( const void )((v_engine->cur_payload_map->remote_sdp_ip ) + 1) - (size_t)(const void )(v_engine->cur_payload_map-> remote_sdp_ip) == 1) && (__s2_len = __builtin_strlen ( v_engine->cur_payload_map->remote_sdp_ip), __s2_len < 4) ? (__builtin_constant_p (remote_host) && ((size_t )(const void )((remote_host) + 1) - (size_t)(const void )(remote_host ) == 1) ? __builtin_strcmp (remote_host, v_engine->cur_payload_map ->remote_sdp_ip) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (remote_host) ; int __result = (((const unsigned char ) (const char ) (v_engine ->cur_payload_map->remote_sdp_ip))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (v_engine->cur_payload_map->remote_sdp_ip ))[1] - __s2[1]); if (__s2_len > 1 && __result == 0 ) { __result = (((const unsigned char ) (const char ) (v_engine ->cur_payload_map->remote_sdp_ip))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (v_engine->cur_payload_map->remote_sdp_ip ))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (remote_host , v_engine->cur_payload_map->remote_sdp_ip)))); }) && remote_port == v_engine->cur_payload_map->remote_sdp_port) {
5514	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5514, (const char)(session), SWITCH_LOG_DEBUG, "Video params are unchanged for %s.\n",
5515	switch_channel_get_name(session->channel));
5516	v_engine->cur_payload_map->negotiated = 1;
5517	goto video_up;
5518	} else {
5519	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5519, (const char)(session), SWITCH_LOG_DEBUG, "Video params changed for %s from %s:%d to %s:%d\n",
5520	switch_channel_get_name(session->channel),
5521	remote_host, remote_port, v_engine->cur_payload_map->remote_sdp_ip, v_engine->cur_payload_map->remote_sdp_port);
5522	}
5523	}
5524
5525	if (!switch_channel_test_flag(session->channel, CF_PROXY_MEDIA)) {
5526	if (switch_rtp_ready(v_engine->rtp_session)) {
5527	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5527, (const char)(session), SWITCH_LOG_DEBUG,
5528	"VIDEO RTP [%s] %s port %d -> %s port %d codec: %u\n", switch_channel_get_name(session->channel),
5529	v_engine->local_sdp_ip, v_engine->local_sdp_port, v_engine->cur_payload_map->remote_sdp_ip,
5530	v_engine->cur_payload_map->remote_sdp_port, v_engine->cur_payload_map->agreed_pt);
5531
5532
5533	start_video_thread(session);
5534	switch_rtp_set_default_payload(v_engine->rtp_session, v_engine->cur_payload_map->agreed_pt);
5535	}
5536	}
5537
5538	switch_snprintf(tmp, sizeof(tmp), "%d", v_engine->local_sdp_port);
5539	switch_channel_set_variable(session->channel, SWITCH_LOCAL_VIDEO_IP_VARIABLE, a_engine->adv_sdp_ip)switch_channel_set_variable_var_check(session->channel, "local_video_ip" , a_engine->adv_sdp_ip, SWITCH_TRUE);
5540	switch_channel_set_variable(session->channel, SWITCH_LOCAL_VIDEO_PORT_VARIABLE, tmp)switch_channel_set_variable_var_check(session->channel, "local_video_port" , tmp, SWITCH_TRUE);
5541
5542
5543	if (v_engine->rtp_session && switch_channel_test_flag(session->channel, CF_REINVITE)) {
5544	const char rport = NULL((void)0);
5545	switch_port_t remote_rtcp_port = v_engine->remote_rtcp_port;
5546
5547	//switch_channel_clear_flag(session->channel, CF_REINVITE);
5548
5549	if (!remote_rtcp_port) {
5550	if ((rport = switch_channel_get_variable(session->channel, "rtp_remote_video_rtcp_port")switch_channel_get_variable_dup(session->channel, "rtp_remote_video_rtcp_port" , SWITCH_TRUE, -1))) {
5551	remote_rtcp_port = (switch_port_t)atoi(rport);
5552	}
5553	}
5554
5555	if (switch_rtp_set_remote_address
5556	(v_engine->rtp_session, v_engine->cur_payload_map->remote_sdp_ip, v_engine->cur_payload_map->remote_sdp_port, remote_rtcp_port, SWITCH_TRUE,
5557	&err) != SWITCH_STATUS_SUCCESS) {
5558	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5558, (const char)(session), SWITCH_LOG_ERROR, "VIDEO RTP REPORTS ERROR: [%s]\n", err);
5559	} else {
5560	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5560, (const char)(session), SWITCH_LOG_DEBUG, "VIDEO RTP CHANGING DEST TO: [%s:%d]\n",
5561	v_engine->cur_payload_map->remote_sdp_ip, v_engine->cur_payload_map->remote_sdp_port);
5562	if (!switch_media_handle_test_media_flag(smh, SCMF_DISABLE_RTP_AUTOADJ) && !switch_channel_test_flag(session->channel, CF_WEBRTC) &&
5563	!((val = switch_channel_get_variable(session->channel, "disable_rtp_auto_adjust")switch_channel_get_variable_dup(session->channel, "disable_rtp_auto_adjust" , SWITCH_TRUE, -1)) && switch_true(val))) {
5564	/* Reactivate the NAT buster flag. */
5565	switch_rtp_set_flag(v_engine->rtp_session, SWITCH_RTP_FLAG_AUTOADJ);
5566	start_video_thread(session);
5567	}
5568
5569	}
5570	goto video_up;
5571	}
5572
5573	if (switch_channel_test_flag(session->channel, CF_PROXY_MEDIA)) {
5574	switch_core_media_proxy_remote_addr(session, NULL((void*)0));
5575
5576	memset(flags, 0, sizeof(flags));
5577	flags[SWITCH_RTP_FLAG_PROXY_MEDIA]++;
5578	flags[SWITCH_RTP_FLAG_DATAWAIT]++;
5579
5580	if (!switch_media_handle_test_media_flag(smh, SCMF_DISABLE_RTP_AUTOADJ) && !switch_channel_test_flag(session->channel, CF_WEBRTC) &&
5581	!((val = switch_channel_get_variable(session->channel, "disable_rtp_auto_adjust")switch_channel_get_variable_dup(session->channel, "disable_rtp_auto_adjust" , SWITCH_TRUE, -1)) && switch_true(val))) {
5582	flags[SWITCH_RTP_FLAG_AUTOADJ]++;
5583	}
5584	timer_name = NULL((void*)0);
5585
5586	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5586, (const char)(session), SWITCH_LOG_DEBUG,
5587	"PROXY VIDEO RTP [%s] %s:%d->%s:%d codec: %u ms: %d\n",
5588	switch_channel_get_name(session->channel),
5589	a_engine->cur_payload_map->remote_sdp_ip,
5590	v_engine->local_sdp_port,
5591	v_engine->cur_payload_map->remote_sdp_ip,
5592	v_engine->cur_payload_map->remote_sdp_port, v_engine->cur_payload_map->agreed_pt, v_engine->read_impl.microseconds_per_packet / 1000);
5593
5594	if (switch_rtp_ready(v_engine->rtp_session)) {
5595	switch_rtp_set_default_payload(v_engine->rtp_session, v_engine->cur_payload_map->agreed_pt);
5596	}
5597	} else {
5598	timer_name = smh->mparams->timer_name;
5599
5600	if ((var = switch_channel_get_variable(session->channel, "rtp_timer_name")switch_channel_get_variable_dup(session->channel, "rtp_timer_name" , SWITCH_TRUE, -1))) {
5601	timer_name = (char *) var;
5602	}
5603	}
5604
5605	/******************************************************************************************/
5606
5607	if (v_engine->rtp_session) {
5608	goto video_up;
5609	}
5610
5611
5612	if (!v_engine->local_sdp_port) {
5613	switch_core_media_choose_port(session, SWITCH_MEDIA_TYPE_VIDEO, 1);
5614	}
5615
5616	memset(flags, 0, sizeof(flags));
5617	flags[SWITCH_RTP_FLAG_DATAWAIT]++;
5618	flags[SWITCH_RTP_FLAG_RAW_WRITE]++;
5619
5620	if (!switch_media_handle_test_media_flag(smh, SCMF_DISABLE_RTP_AUTOADJ) && !switch_channel_test_flag(session->channel, CF_PROXY_MODE) &&
5621	!((val = switch_channel_get_variable(session->channel, "disable_rtp_auto_adjust")switch_channel_get_variable_dup(session->channel, "disable_rtp_auto_adjust" , SWITCH_TRUE, -1)) && switch_true(val)) &&
5622	!switch_channel_test_flag(session->channel, CF_WEBRTC)) {
5623	flags[SWITCH_RTP_FLAG_AUTOADJ]++;
5624	}
5625
5626	if (switch_channel_test_flag(session->channel, CF_PROXY_MEDIA)) {
5627	flags[SWITCH_RTP_FLAG_PROXY_MEDIA]++;
5628	}
5629	switch_core_media_set_video_codec(session, 0);
5630
5631	flags[SWITCH_RTP_FLAG_USE_TIMER] = 0;
5632	flags[SWITCH_RTP_FLAG_NOBLOCK] = 0;
5633	flags[SWITCH_RTP_FLAG_VIDEO]++;
5634
5635	v_engine->rtp_session = switch_rtp_new(a_engine->local_sdp_ip,
5636	v_engine->local_sdp_port,
5637	v_engine->cur_payload_map->remote_sdp_ip,
5638	v_engine->cur_payload_map->remote_sdp_port,
5639	v_engine->cur_payload_map->agreed_pt,
5640	1, 90000, flags, NULL((void*)0), &err, switch_core_session_get_pool(session));
5641
5642
5643	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5643, (const char)(session), SWITCH_LOG_DEBUG, "%sVIDEO RTP [%s] %s:%d->%s:%d codec: %u ms: %d [%s]\n",
5644	switch_channel_test_flag(session->channel, CF_PROXY_MEDIA) ? "PROXY " : "",
5645	switch_channel_get_name(session->channel),
5646	a_engine->cur_payload_map->remote_sdp_ip,
5647	v_engine->local_sdp_port,
5648	v_engine->cur_payload_map->remote_sdp_ip,
5649	v_engine->cur_payload_map->remote_sdp_port, v_engine->cur_payload_map->agreed_pt,
5650	0, switch_rtp_ready(v_engine->rtp_session) ? "SUCCESS" : err);
5651
5652
5653	if (switch_rtp_ready(v_engine->rtp_session)) {
5654	const char *ssrc;
5655
5656	if (v_engine->fir) {
5657	switch_rtp_set_flag(v_engine->rtp_session, SWITCH_RTP_FLAG_FIR);
5658	}
5659
5660	if (v_engine->pli) {
5661	switch_rtp_set_flag(v_engine->rtp_session, SWITCH_RTP_FLAG_PLI);
5662	}
5663
5664	switch_rtp_set_payload_map(v_engine->rtp_session, &v_engine->payload_map);
5665
5666	start_video_thread(session);
5667	switch_channel_set_flag(session->channel, CF_VIDEO)switch_channel_set_flag_value(session->channel, CF_VIDEO, 1 );
5668
5669	if ((ssrc = switch_channel_get_variable(session->channel, "rtp_use_video_ssrc")switch_channel_get_variable_dup(session->channel, "rtp_use_video_ssrc" , SWITCH_TRUE, -1))) {
5670	uint32_t ssrc_ul = (uint32_t) strtoul(ssrc, NULL((void*)0), 10);
5671	switch_rtp_set_ssrc(v_engine->rtp_session, ssrc_ul);
5672	v_engine->ssrc = ssrc_ul;
5673	} else {
5674	switch_rtp_set_ssrc(v_engine->rtp_session, v_engine->ssrc);
5675	}
5676
5677	if (v_engine->remote_ssrc) {
5678	switch_rtp_set_remote_ssrc(v_engine->rtp_session, v_engine->remote_ssrc);
5679	}
5680
5681	if (v_engine->ice_in.cands[v_engine->ice_in.chosen[0]][0].ready) {
5682
5683	gen_ice(session, SWITCH_MEDIA_TYPE_VIDEO, NULL((void*)0), 0);
5684
5685	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5685, (const char)(session), SWITCH_LOG_INFO, "Activating Video ICE\n");
5686
5687	switch_rtp_activate_ice(v_engine->rtp_session,
5688	v_engine->ice_in.ufrag,
5689	v_engine->ice_out.ufrag,
5690	v_engine->ice_out.pwd,
5691	v_engine->ice_in.pwd,
5692	IPR_RTP,
5693	#ifdef GOOGLE_ICE
5694	ICE_GOOGLE_JINGLE,
5695	NULL((void*)0)
5696	#else
5697	switch_ice_direction(session) ==
5698	SWITCH_CALL_DIRECTION_OUTBOUND ? ICE_VANILLA : (ICE_VANILLA \| ICE_CONTROLLED),
5699	&v_engine->ice_in
5700	#endif
5701	);
5702
5703
5704	}
5705
5706	if ((val = switch_channel_get_variable(session->channel, "rtcp_video_interval_msec")switch_channel_get_variable_dup(session->channel, "rtcp_video_interval_msec" , SWITCH_TRUE, -1)) \|\| (val = smh->mparams->rtcp_video_interval_msec)) {
5707	const char *rport = switch_channel_get_variable(session->channel, "rtp_remote_video_rtcp_port")switch_channel_get_variable_dup(session->channel, "rtp_remote_video_rtcp_port" , SWITCH_TRUE, -1);
5708	switch_port_t remote_port = v_engine->remote_rtcp_port;
5709
5710	if (rport) {
5711	remote_port = (switch_port_t)atoi(rport);
5712	}
5713	if (!strcasecmp(val, "passthru")) {
5714	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5714, (const char)(session), SWITCH_LOG_INFO, "Activating VIDEO RTCP PASSTHRU PORT %d\n", remote_port);
5715	switch_rtp_activate_rtcp(v_engine->rtp_session, -1, remote_port, v_engine->rtcp_mux > 0);
5716	} else {
5717	int interval = atoi(val);
5718	if (interval < 100 \|\| interval > 500000) {
5719	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5719, (const char)(session), SWITCH_LOG_ERROR,
5720	"Invalid rtcp interval spec [%d] must be between 100 and 500000\n", interval);
5721	}
5722	interval = 10000;
5723	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5723, (const char)(session), SWITCH_LOG_INFO, "Activating VIDEO RTCP PORT %d mux %d\n", remote_port, v_engine->rtcp_mux);
5724	switch_rtp_activate_rtcp(v_engine->rtp_session, interval, remote_port, v_engine->rtcp_mux > 0);
5725
5726	}
5727
5728
5729	if (v_engine->ice_in.cands[v_engine->ice_in.chosen[1]][1].ready) {
5730
5731	if (v_engine->rtcp_mux > 0 && !strcmp(v_engine->ice_in.cands[v_engine->ice_in.chosen[1]][1].con_addr, v_engine->ice_in.cands[v_engine->ice_in.chosen[0]][0].con_addr)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (v_engine->ice_in.cands[v_engine->ice_in.chosen[1]][1] .con_addr) && __builtin_constant_p (v_engine->ice_in .cands[v_engine->ice_in.chosen[0]][0].con_addr) && (__s1_len = __builtin_strlen (v_engine->ice_in.cands[v_engine ->ice_in.chosen[1]][1].con_addr), __s2_len = __builtin_strlen (v_engine->ice_in.cands[v_engine->ice_in.chosen[0]][0] .con_addr), (!((size_t)(const void )((v_engine->ice_in.cands [v_engine->ice_in.chosen[1]][1].con_addr) + 1) - (size_t)( const void )(v_engine->ice_in.cands[v_engine->ice_in.chosen [1]][1].con_addr) == 1) \|\| __s1_len >= 4) && (!((size_t )(const void )((v_engine->ice_in.cands[v_engine->ice_in .chosen[0]][0].con_addr) + 1) - (size_t)(const void )(v_engine ->ice_in.cands[v_engine->ice_in.chosen[0]][0].con_addr) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (v_engine-> ice_in.cands[v_engine->ice_in.chosen[1]][1].con_addr, v_engine ->ice_in.cands[v_engine->ice_in.chosen[0]][0].con_addr) : (__builtin_constant_p (v_engine->ice_in.cands[v_engine-> ice_in.chosen[1]][1].con_addr) && ((size_t)(const void )((v_engine->ice_in.cands[v_engine->ice_in.chosen[1]] [1].con_addr) + 1) - (size_t)(const void )(v_engine->ice_in .cands[v_engine->ice_in.chosen[1]][1].con_addr) == 1) && (__s1_len = __builtin_strlen (v_engine->ice_in.cands[v_engine ->ice_in.chosen[1]][1].con_addr), __s1_len < 4) ? (__builtin_constant_p (v_engine->ice_in.cands[v_engine->ice_in.chosen[0]][0] .con_addr) && ((size_t)(const void )((v_engine->ice_in .cands[v_engine->ice_in.chosen[0]][0].con_addr) + 1) - (size_t )(const void )(v_engine->ice_in.cands[v_engine->ice_in .chosen[0]][0].con_addr) == 1) ? __builtin_strcmp (v_engine-> ice_in.cands[v_engine->ice_in.chosen[1]][1].con_addr, v_engine ->ice_in.cands[v_engine->ice_in.chosen[0]][0].con_addr) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (v_engine->ice_in.cands[v_engine-> ice_in.chosen[0]][0].con_addr); int __result = (((const unsigned char ) (const char ) (v_engine->ice_in.cands[v_engine-> ice_in.chosen[1]][1].con_addr))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (v_engine->ice_in.cands[v_engine->ice_in .chosen[1]][1].con_addr))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (v_engine->ice_in.cands[v_engine->ice_in.chosen [1]][1].con_addr))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (v_engine->ice_in.cands[v_engine->ice_in.chosen[1]] [1].con_addr))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (v_engine->ice_in.cands[v_engine->ice_in.chosen[0]][0] .con_addr) && ((size_t)(const void )((v_engine->ice_in .cands[v_engine->ice_in.chosen[0]][0].con_addr) + 1) - (size_t )(const void )(v_engine->ice_in.cands[v_engine->ice_in .chosen[0]][0].con_addr) == 1) && (__s2_len = __builtin_strlen (v_engine->ice_in.cands[v_engine->ice_in.chosen[0]][0] .con_addr), __s2_len < 4) ? (__builtin_constant_p (v_engine ->ice_in.cands[v_engine->ice_in.chosen[1]][1].con_addr) && ((size_t)(const void )((v_engine->ice_in.cands [v_engine->ice_in.chosen[1]][1].con_addr) + 1) - (size_t)( const void )(v_engine->ice_in.cands[v_engine->ice_in.chosen [1]][1].con_addr) == 1) ? __builtin_strcmp (v_engine->ice_in .cands[v_engine->ice_in.chosen[1]][1].con_addr, v_engine-> ice_in.cands[v_engine->ice_in.chosen[0]][0].con_addr) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (v_engine->ice_in.cands[v_engine-> ice_in.chosen[1]][1].con_addr); int __result = (((const unsigned char ) (const char ) (v_engine->ice_in.cands[v_engine-> ice_in.chosen[0]][0].con_addr))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (v_engine->ice_in.cands[v_engine->ice_in .chosen[0]][0].con_addr))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (v_engine->ice_in.cands[v_engine->ice_in.chosen [0]][0].con_addr))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (v_engine->ice_in.cands[v_engine->ice_in.chosen[0]] [0].con_addr))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (v_engine->ice_in.cands[v_engine->ice_in.chosen[1]][1] .con_addr, v_engine->ice_in.cands[v_engine->ice_in.chosen [0]][0].con_addr)))); })
5732	&& v_engine->ice_in.cands[v_engine->ice_in.chosen[1]][1].con_port == v_engine->ice_in.cands[v_engine->ice_in.chosen[0]][0].con_port) {
5733	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5733, (const char)(session), SWITCH_LOG_INFO, "Skipping VIDEO RTCP ICE (Same as VIDEO RTP)\n");
5734	} else {
5735
5736	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5736, (const char)(session), SWITCH_LOG_INFO, "Activating VIDEO RTCP ICE\n");
5737	switch_rtp_activate_ice(v_engine->rtp_session,
5738	v_engine->ice_in.ufrag,
5739	v_engine->ice_out.ufrag,
5740	v_engine->ice_out.pwd,
5741	v_engine->ice_in.pwd,
5742	IPR_RTCP,
5743	#ifdef GOOGLE_ICE
5744	ICE_GOOGLE_JINGLE,
5745	NULL((void*)0)
5746	#else
5747	switch_ice_direction(session) ==
5748	SWITCH_CALL_DIRECTION_OUTBOUND ? ICE_VANILLA : (ICE_VANILLA \| ICE_CONTROLLED),
5749
5750	&v_engine->ice_in
5751	#endif
5752	);
5753
5754
5755
5756	}
5757
5758	}
5759	}
5760
5761	if (!zstr(v_engine->local_dtls_fingerprint.str)_zstr(v_engine->local_dtls_fingerprint.str) && switch_rtp_has_dtls() && dtls_ok(smh->session)) {
5762	dtls_type_t xtype,
5763	dtype = switch_channel_direction(smh->session->channel) == SWITCH_CALL_DIRECTION_INBOUND ? DTLS_TYPE_CLIENT : DTLS_TYPE_SERVER;
5764	xtype = DTLS_TYPE_RTP;
5765	if (v_engine->rtcp_mux > 0 && smh->mparams->rtcp_video_interval_msec) xtype \|= DTLS_TYPE_RTCP;
5766
5767	switch_rtp_add_dtls(v_engine->rtp_session, &v_engine->local_dtls_fingerprint, &v_engine->remote_dtls_fingerprint, dtype \| xtype);
5768
5769	if (v_engine->rtcp_mux < 1 && smh->mparams->rtcp_video_interval_msec) {
5770	xtype = DTLS_TYPE_RTCP;
5771	switch_rtp_add_dtls(v_engine->rtp_session, &v_engine->local_dtls_fingerprint, &v_engine->remote_dtls_fingerprint, dtype \| xtype);
5772	}
5773	}
5774
5775
5776	if ((val = switch_channel_get_variable(session->channel, "rtp_manual_video_rtp_bugs")switch_channel_get_variable_dup(session->channel, "rtp_manual_video_rtp_bugs" , SWITCH_TRUE, -1))) {
5777	switch_core_media_parse_rtp_bugs(&v_engine->rtp_bugs, val);
5778	}
5779
5780	switch_rtp_intentional_bugs(v_engine->rtp_session, v_engine->rtp_bugs \| smh->mparams->manual_video_rtp_bugs);
5781
5782
5783	//XX
5784
5785
5786	switch_channel_set_variable_printf(session->channel, "rtp_use_video_pt", "%d", v_engine->cur_payload_map->agreed_pt);
5787	v_engine->ssrc = switch_rtp_get_ssrc(v_engine->rtp_session);
5788	switch_channel_set_variable_printf(session->channel, "rtp_use_video_ssrc", "%u", v_engine->ssrc);
5789
5790	switch_core_session_apply_crypto(session, SWITCH_MEDIA_TYPE_VIDEO);
5791
5792
5793	if (switch_channel_test_flag(session->channel, CF_ZRTP_PASSTHRU)) {
5794	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5794, (const char)(session), SWITCH_LOG_DEBUG, "Activating video UDPTL mode\n");
5795	switch_rtp_udptl_mode(v_engine->rtp_session);
5796	}
5797
5798	} else {
5799	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5799, (const char)(session), SWITCH_LOG_ERROR, "VIDEO RTP REPORTS ERROR: [%s]\n", switch_str_nil(err)(err ? err : ""));
5800	switch_channel_hangup(session->channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER)switch_channel_perform_hangup(session->channel, "src/switch_core_media.c" , (const char *)__func__, 5800, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER );
5801	goto end;
5802	}
5803	}
5804
5805	} else {
5806	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 5806, (const char)(session), SWITCH_LOG_ERROR, "AUDIO RTP REPORTS ERROR: [%s]\n", switch_str_nil(err)(err ? err : ""));
5807	switch_channel_hangup(session->channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER)switch_channel_perform_hangup(session->channel, "src/switch_core_media.c" , (const char *)__func__, 5807, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER );
5808	status = SWITCH_STATUS_FALSE;
5809	goto end;
5810	}
5811
5812	video_up:
5813
5814	if (session && v_engine) {
5815	check_dtls_reinvite(session, v_engine);
5816	}
5817
5818	status = SWITCH_STATUS_SUCCESS;
5819
5820	end:
5821
5822	switch_channel_clear_flag(session->channel, CF_REINVITE);
5823
5824	switch_core_recovery_track(session);
5825
5826
5827
5828	return status;
5829
5830	}
5831
5832	static const char get_media_profile_name(switch_core_session_t session, int secure)
5833	{
5834	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 5834, __PRETTY_FUNCTION__));
5835
5836	if (switch_channel_test_flag(session->channel, CF_WEBRTC)) {
5837	if (switch_channel_test_flag(session->channel, CF_WEBRTC_MOZ)) {
5838	return "UDP/TLS/RTP/SAVPF";
5839	} else {
5840	return "RTP/SAVPF";
5841	}
5842	}
5843
5844	if (secure) {
5845	return "RTP/SAVP";
5846	}
5847
5848	return "RTP/AVP";
5849
5850	}
5851
5852	//?
5853	static void generate_m(switch_core_session_t session, char buf, size_t buflen,
5854	switch_port_t port, const char family, const char ip,
5855	int cur_ptime, const char append_audio, const char sr, int use_cng, int cng_type, switch_event_t *map, int secure,
5856	switch_sdp_type_t sdp_type)
5857	{
5858	int i = 0;
5859	int rate;
5860	int already_did[128] = { 0 };
5861	int ptime = 0, noptime = 0;
5862	const char *local_sdp_audio_zrtp_hash;
5863	switch_media_handle_t *smh;
5864	switch_rtp_engine_t *a_engine;
5865
5866	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 5866, __PRETTY_FUNCTION__));
5867
5868	if (!(smh = session->media_handle)) {
5869	return;
5870	}
5871
5872	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
5873
5874	//switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "m=audio %d RTP/%sAVP%s",
5875	//port, secure ? "S" : "", switch_channel_test_flag(session->channel, CF_WEBRTC) ? "F" : "");
5876
5877	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "m=audio %d %s", port,
5878	get_media_profile_name(session,
5879	(secure && switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_OUTBOUND) \|\|
5880	a_engine->crypto_type != CRYPTO_INVALID));
5881
5882
5883	for (i = 0; i < smh->mparams->num_codecs; i++) {
5884	const switch_codec_implementation_t *imp = smh->codecs[i];
5885	int this_ptime = (imp->microseconds_per_packet / 1000);
5886
5887	if (!strcasecmp(imp->iananame, "ilbc") \|\| !strcasecmp(imp->iananame, "isac") ) {
5888	this_ptime = 20;
5889	}
5890
5891	if (imp->codec_type != SWITCH_CODEC_TYPE_AUDIO) {
5892	continue;
5893	}
5894
5895	if (!noptime) {
5896	if (!cur_ptime) {
5897	if (!ptime) {
5898	ptime = this_ptime;
5899	}
5900	} else {
5901	if (this_ptime != cur_ptime) {
5902	continue;
5903	}
5904	}
5905	}
5906
5907	if (smh->ianacodes[i] < 128) {
5908	if (already_did[smh->ianacodes[i]]) {
5909	continue;
5910	}
5911
5912	already_did[smh->ianacodes[i]] = 1;
5913	}
5914
5915
5916	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), " %d", smh->ianacodes[i]);
5917	}
5918
5919	if (smh->mparams->dtmf_type == DTMF_2833 && smh->mparams->te > 95) {
5920	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), " %d", smh->mparams->te);
5921	}
5922
5923	if (!switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG) && cng_type && use_cng) {
5924	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), " %d", cng_type);
5925	}
5926
5927	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "\n");
5928
5929
5930	memset(already_did, 0, sizeof(already_did));
5931
5932
5933	for (i = 0; i < smh->mparams->num_codecs; i++) {
5934	const switch_codec_implementation_t *imp = smh->codecs[i];
5935	char *fmtp = imp->fmtp;
5936	int this_ptime = imp->microseconds_per_packet / 1000;
5937
5938	if (imp->codec_type != SWITCH_CODEC_TYPE_AUDIO) {
5939	continue;
5940	}
5941
5942	if (!strcasecmp(imp->iananame, "ilbc") \|\| !strcasecmp(imp->iananame, "isac")) {
5943	this_ptime = 20;
5944	}
5945
5946	if (!noptime) {
5947	if (!cur_ptime) {
5948	if (!ptime) {
5949	ptime = this_ptime;
5950	}
5951	} else {
5952	if (this_ptime != cur_ptime) {
5953	continue;
5954	}
5955	}
5956	}
5957
5958	if (smh->ianacodes[i] < 128) {
5959	if (already_did[smh->ianacodes[i]]) {
5960	continue;
5961	}
5962
5963	already_did[smh->ianacodes[i]] = 1;
5964	}
5965
5966	rate = imp->samples_per_second;
5967
5968	if (map) {
5969	char key[128] = "";
5970	char check = NULL((void)0);
5971	switch_snprintf(key, sizeof(key), "%s:%u", imp->iananame, imp->bits_per_second);
5972
5973	if ((check = switch_event_get_header(map, key)switch_event_get_header_idx(map, key, -1)) \|\| (check = switch_event_get_header(map, imp->iananame)switch_event_get_header_idx(map, imp->iananame, -1))) {
5974	fmtp = check;
5975	}
5976	}
5977
5978	if (smh->fmtps[i]) {
5979	fmtp = smh->fmtps[i];
5980	}
5981
5982	if (smh->ianacodes[i] > 95 \|\| switch_channel_test_flag(session->channel, CF_VERBOSE_SDP)) {
5983	int channels = get_channels(imp->iananame, imp->number_of_channels);
5984
5985	if (channels > 1) {
5986	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d %s/%d/%d\n", smh->ianacodes[i], imp->iananame, rate, channels);
5987
5988	} else {
5989	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d %s/%d\n", smh->ianacodes[i], imp->iananame, rate);
5990	}
5991	}
5992
5993	if (fmtp) {
5994	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=fmtp:%d %s\n", smh->ianacodes[i], fmtp);
5995	}
5996	}
5997
5998
5999	if ((smh->mparams->dtmf_type == DTMF_2833 \|\| switch_media_handle_test_media_flag(smh, SCMF_LIBERAL_DTMF) \|\|
6000	switch_channel_test_flag(session->channel, CF_LIBERAL_DTMF)) && smh->mparams->te > 95) {
6001
6002	if (switch_channel_test_flag(session->channel, CF_WEBRTC)) {
6003	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d telephone-event/8000\n", smh->mparams->te);
6004	} else {
6005	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d telephone-event/8000\na=fmtp:%d 0-16\n", smh->mparams->te, smh->mparams->te);
6006	}
6007
6008	}
6009
6010	if (!zstr(a_engine->local_dtls_fingerprint.type)_zstr(a_engine->local_dtls_fingerprint.type) && secure) {
6011	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=fingerprint:%s %s\n", a_engine->local_dtls_fingerprint.type,
6012	a_engine->local_dtls_fingerprint.str);
6013	}
6014
6015	if (smh->mparams->rtcp_audio_interval_msec) {
6016	if (a_engine->rtcp_mux > 0) {
6017	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtcp-mux\n");
6018	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtcp:%d IN %s %s\n", port, family, ip);
6019	} else {
6020	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtcp:%d IN %s %s\n", port + 1, family, ip);
6021	}
6022	}
6023
6024	//switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ssrc:%u\n", a_engine->ssrc);
6025
6026	if (a_engine->ice_out.cands[0][0].ready) {
6027	char tmp1[11] = "";
6028	char tmp2[11] = "";
6029	uint32_t c1 = (2^24)126 + (2^8)65535 + (2^0)*(256 - 1);
6030	uint32_t c2 = (2^24)126 + (2^8)65535 + (2^0)*(256 - 2);
6031	//uint32_t c3 = (2^24)126 + (2^8)65534 + (2^0)*(256 - 1);
6032	//uint32_t c4 = (2^24)126 + (2^8)65534 + (2^0)*(256 - 2);
6033	ice_t *ice_out;
6034
6035	tmp1[10] = '\0';
6036	tmp2[10] = '\0';
6037	switch_stun_random_string(tmp1, 10, "0123456789");
6038	switch_stun_random_string(tmp2, 10, "0123456789");
6039
6040	gen_ice(session, SWITCH_MEDIA_TYPE_AUDIO, NULL((void*)0), 0);
6041
6042	ice_out = &a_engine->ice_out;
6043
6044	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=ssrc:%u cname:%s\n", a_engine->ssrc, smh->cname);
6045	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=ssrc:%u msid:%s a0\n", a_engine->ssrc, smh->msid);
6046	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=ssrc:%u mslabel:%s\n", a_engine->ssrc, smh->msid);
6047	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=ssrc:%u label:%sa0\n", a_engine->ssrc, smh->msid);
6048
6049
6050	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=ice-ufrag:%s\n", ice_out->ufrag);
6051	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=ice-pwd:%s\n", ice_out->pwd);
6052
6053
6054	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=candidate:%s 1 %s %u %s %d typ host generation 0\n",
6055	tmp1, ice_out->cands[0][0].transport, c1,
6056	ice_out->cands[0][0].con_addr, ice_out->cands[0][0].con_port
6057	);
6058
6059	if (!zstr(a_engine->local_sdp_ip)_zstr(a_engine->local_sdp_ip) && !zstr(ice_out->cands[0][0].con_addr)_zstr(ice_out->cands[0][0].con_addr) &&
6060	strcmp(a_engine->local_sdp_ip, ice_out->cands[0][0].con_addr)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (a_engine->local_sdp_ip) && __builtin_constant_p ( ice_out->cands[0][0].con_addr) && (__s1_len = __builtin_strlen (a_engine->local_sdp_ip), __s2_len = __builtin_strlen (ice_out ->cands[0][0].con_addr), (!((size_t)(const void )((a_engine ->local_sdp_ip) + 1) - (size_t)(const void )(a_engine-> local_sdp_ip) == 1) \|\| __s1_len >= 4) && (!((size_t )(const void )((ice_out->cands[0][0].con_addr) + 1) - (size_t )(const void )(ice_out->cands[0][0].con_addr) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (a_engine->local_sdp_ip, ice_out ->cands[0][0].con_addr) : (__builtin_constant_p (a_engine-> local_sdp_ip) && ((size_t)(const void )((a_engine-> local_sdp_ip) + 1) - (size_t)(const void )(a_engine->local_sdp_ip ) == 1) && (__s1_len = __builtin_strlen (a_engine-> local_sdp_ip), __s1_len < 4) ? (__builtin_constant_p (ice_out ->cands[0][0].con_addr) && ((size_t)(const void ) ((ice_out->cands[0][0].con_addr) + 1) - (size_t)(const void )(ice_out->cands[0][0].con_addr) == 1) ? __builtin_strcmp (a_engine->local_sdp_ip, ice_out->cands[0][0].con_addr ) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (ice_out->cands[0][0].con_addr); int __result = (((const unsigned char ) (const char ) (a_engine ->local_sdp_ip))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->local_sdp_ip))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->local_sdp_ip))[2] - __s2 [2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (a_engine->local_sdp_ip ))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ( ice_out->cands[0][0].con_addr) && ((size_t)(const void )((ice_out->cands[0][0].con_addr) + 1) - (size_t)(const void )(ice_out->cands[0][0].con_addr) == 1) && (__s2_len = __builtin_strlen (ice_out->cands[0][0].con_addr), __s2_len < 4) ? (__builtin_constant_p (a_engine->local_sdp_ip) && ((size_t)(const void )((a_engine->local_sdp_ip) + 1) - ( size_t)(const void )(a_engine->local_sdp_ip) == 1) ? __builtin_strcmp (a_engine->local_sdp_ip, ice_out->cands[0][0].con_addr ) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (a_engine->local_sdp_ip); int __result = (((const unsigned char ) (const char ) (ice_out->cands [0][0].con_addr))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (ice_out->cands[0][0].con_addr))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (ice_out->cands[0][0].con_addr ))[2] - __s2[2]); if (__s2_len > 2 && __result == 0 ) __result = (((const unsigned char ) (const char ) (ice_out ->cands[0][0].con_addr))[3] - __s2[3]); } } __result; }))) ) : __builtin_strcmp (a_engine->local_sdp_ip, ice_out-> cands[0][0].con_addr)))); })
6061	&& a_engine->local_sdp_port != ice_out->cands[0][0].con_port) {
6062
6063	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=candidate:%s 1 %s %u %s %d typ srflx raddr %s rport %d generation 0\n",
6064	tmp2, ice_out->cands[0][0].transport, c2,
6065	ice_out->cands[0][0].con_addr, ice_out->cands[0][0].con_port,
6066	a_engine->local_sdp_ip, a_engine->local_sdp_port
6067	);
6068	}
6069
6070	if (a_engine->rtcp_mux < 1 \|\| switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
6071
6072
6073	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=candidate:%s 2 %s %u %s %d typ host generation 0\n",
6074	tmp1, ice_out->cands[0][0].transport, c1,
6075	ice_out->cands[0][0].con_addr, ice_out->cands[0][0].con_port + (a_engine->rtcp_mux > 0 ? 0 : 1)
6076	);
6077
6078	if (!zstr(a_engine->local_sdp_ip)_zstr(a_engine->local_sdp_ip) && !zstr(ice_out->cands[0][1].con_addr)_zstr(ice_out->cands[0][1].con_addr) &&
6079	strcmp(a_engine->local_sdp_ip, ice_out->cands[0][1].con_addr)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (a_engine->local_sdp_ip) && __builtin_constant_p ( ice_out->cands[0][1].con_addr) && (__s1_len = __builtin_strlen (a_engine->local_sdp_ip), __s2_len = __builtin_strlen (ice_out ->cands[0][1].con_addr), (!((size_t)(const void )((a_engine ->local_sdp_ip) + 1) - (size_t)(const void )(a_engine-> local_sdp_ip) == 1) \|\| __s1_len >= 4) && (!((size_t )(const void )((ice_out->cands[0][1].con_addr) + 1) - (size_t )(const void )(ice_out->cands[0][1].con_addr) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (a_engine->local_sdp_ip, ice_out ->cands[0][1].con_addr) : (__builtin_constant_p (a_engine-> local_sdp_ip) && ((size_t)(const void )((a_engine-> local_sdp_ip) + 1) - (size_t)(const void )(a_engine->local_sdp_ip ) == 1) && (__s1_len = __builtin_strlen (a_engine-> local_sdp_ip), __s1_len < 4) ? (__builtin_constant_p (ice_out ->cands[0][1].con_addr) && ((size_t)(const void ) ((ice_out->cands[0][1].con_addr) + 1) - (size_t)(const void )(ice_out->cands[0][1].con_addr) == 1) ? __builtin_strcmp (a_engine->local_sdp_ip, ice_out->cands[0][1].con_addr ) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (ice_out->cands[0][1].con_addr); int __result = (((const unsigned char ) (const char ) (a_engine ->local_sdp_ip))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->local_sdp_ip))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->local_sdp_ip))[2] - __s2 [2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (a_engine->local_sdp_ip ))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ( ice_out->cands[0][1].con_addr) && ((size_t)(const void )((ice_out->cands[0][1].con_addr) + 1) - (size_t)(const void )(ice_out->cands[0][1].con_addr) == 1) && (__s2_len = __builtin_strlen (ice_out->cands[0][1].con_addr), __s2_len < 4) ? (__builtin_constant_p (a_engine->local_sdp_ip) && ((size_t)(const void )((a_engine->local_sdp_ip) + 1) - ( size_t)(const void )(a_engine->local_sdp_ip) == 1) ? __builtin_strcmp (a_engine->local_sdp_ip, ice_out->cands[0][1].con_addr ) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (a_engine->local_sdp_ip); int __result = (((const unsigned char ) (const char ) (ice_out->cands [0][1].con_addr))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (ice_out->cands[0][1].con_addr))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (ice_out->cands[0][1].con_addr ))[2] - __s2[2]); if (__s2_len > 2 && __result == 0 ) __result = (((const unsigned char ) (const char ) (ice_out ->cands[0][1].con_addr))[3] - __s2[3]); } } __result; }))) ) : __builtin_strcmp (a_engine->local_sdp_ip, ice_out-> cands[0][1].con_addr)))); })
6080	&& a_engine->local_sdp_port != ice_out->cands[0][1].con_port) {
6081
6082	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=candidate:%s 2 %s %u %s %d typ srflx raddr %s rport %d generation 0\n",
6083	tmp2, ice_out->cands[0][0].transport, c2,
6084	ice_out->cands[0][0].con_addr, ice_out->cands[0][0].con_port + (a_engine->rtcp_mux > 0 ? 0 : 1),
6085	a_engine->local_sdp_ip, a_engine->local_sdp_port + (a_engine->rtcp_mux > 0 ? 0 : 1)
6086	);
6087	}
6088	}
6089
6090
6091
6092	#ifdef GOOGLE_ICE
6093	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=ice-options:google-ice\n");
6094	#endif
6095	}
6096
6097
6098	if (secure && !switch_channel_test_flag(session->channel, CF_DTLS)) {
6099	int i;
6100
6101	for (i = 0; smh->crypto_suite_order[i] != CRYPTO_INVALID; i++) {
6102	switch_rtp_crypto_key_type_t j = SUITES[smh->crypto_suite_order[i]].type;
6103
6104	if ((a_engine->crypto_type == j \|\| a_engine->crypto_type == CRYPTO_INVALID) && !zstr(a_engine->ssec[j].local_crypto_key)_zstr(a_engine->ssec[j].local_crypto_key)) {
6105	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=crypto:%s\n", a_engine->ssec[j].local_crypto_key);
6106	}
6107	}
6108	//switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=encryption:optional\n");
6109	}
6110
6111	if (!cng_type) {
6112	//switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d CN/8000\n", cng_type);
6113	//} else {
6114	if (switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG)) {
6115	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=silenceSupp:off - - - -\n");
6116	}
6117	}
6118
6119	if (append_audio) {
6120	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "%s%s", append_audio, end_of(append_audio)(append_audio == '\0' ? append_audio : append_audio + strlen (append_audio) - 1) == '\n' ? "" : "\n");
6121	}
6122
6123	if (!cur_ptime) {
6124	cur_ptime = ptime;
6125	}
6126
6127	if (!noptime && cur_ptime) {
6128	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=ptime:%d\n", cur_ptime);
6129	}
6130
6131	local_sdp_audio_zrtp_hash = switch_core_media_get_zrtp_hash(session, SWITCH_MEDIA_TYPE_AUDIO, SWITCH_TRUE);
6132
6133	if (local_sdp_audio_zrtp_hash) {
6134	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 6134, (const char)(session), SWITCH_LOG_DEBUG, "Adding audio a=zrtp-hash:%s\n", local_sdp_audio_zrtp_hash);
6135	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=zrtp-hash:%s\n", local_sdp_audio_zrtp_hash);
6136	}
6137
6138	if (!zstr(sr)_zstr(sr)) {
6139	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=%s\n", sr);
6140	}
6141	}
6142
6143	//?
6144	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_check_dtmf_type(switch_core_session_t *session)
6145	{
6146	const char *val;
6147	switch_media_handle_t *smh;
6148
6149	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 6149, __PRETTY_FUNCTION__));
6150
6151	if (!(smh = session->media_handle)) {
6152	return;
6153	}
6154
6155	if ((val = switch_channel_get_variable(session->channel, "dtmf_type")switch_channel_get_variable_dup(session->channel, "dtmf_type" , SWITCH_TRUE, -1))) {
6156	if (!strcasecmp(val, "rfc2833")) {
6157	smh->mparams->dtmf_type = DTMF_2833;
6158	} else if (!strcasecmp(val, "info")) {
6159	smh->mparams->dtmf_type = DTMF_INFO;
6160	} else if (!strcasecmp(val, "none")) {
6161	smh->mparams->dtmf_type = DTMF_NONE;
6162	}
6163	}
6164	}
6165
6166	//?
6167	switch_status_t switch_core_media_sdp_map(const char r_sdp, switch_event_t fmtp, switch_event_t *pt)
6168	{
6169	sdp_media_t *m;
6170	sdp_parser_t parser = NULL((void)0);
6171	sdp_session_t *sdp;
6172
6173	if (!(parser = sdp_parse(NULL((void*)0), r_sdp, (int) strlen(r_sdp), 0))) {
6174	return SWITCH_STATUS_FALSE;
6175	}
6176
6177	if (!(sdp = sdp_session(parser))) {
6178	sdp_parser_free(parser);
6179	return SWITCH_STATUS_FALSE;
6180	}
6181
6182	switch_event_create(&(fmtp), SWITCH_EVENT_REQUEST_PARAMS)switch_event_create_subclass_detailed("src/switch_core_media.c" , (const char )(const char )__func__, 6182, &(fmtp), SWITCH_EVENT_REQUEST_PARAMS , ((void*)0));
6183	switch_event_create(&(pt), SWITCH_EVENT_REQUEST_PARAMS)switch_event_create_subclass_detailed("src/switch_core_media.c" , (const char )(const char )__func__, 6183, &(pt), SWITCH_EVENT_REQUEST_PARAMS , ((void*)0));
6184
6185	for (m = sdp->sdp_media; m; m = m->m_next) {
6186	if (m->m_proto == sdp_proto_rtp) {
6187	sdp_rtpmap_t *map;
6188
6189	for (map = m->m_rtpmaps; map; map = map->rm_next) {
6190	if (map->rm_encoding) {
6191	char buf[25] = "";
6192	char key[128] = "";
6193	char br = NULL((void)0);
6194
6195	if (map->rm_fmtp) {
6196	if ((br = strstr(map->rm_fmtp, "bitrate="))) {
6197	br += 8;
6198	}
6199	}
6200
6201	switch_snprintf(buf, sizeof(buf), "%d", map->rm_pt);
6202
6203	if (br) {
6204	switch_snprintf(key, sizeof(key), "%s:%s", map->rm_encoding, br);
6205	} else {
6206	switch_snprintf(key, sizeof(key), "%s", map->rm_encoding);
6207	}
6208
6209	switch_event_add_header_string(*pt, SWITCH_STACK_BOTTOM, key, buf);
6210
6211	if (map->rm_fmtp) {
6212	switch_event_add_header_string(*fmtp, SWITCH_STACK_BOTTOM, key, map->rm_fmtp);
6213	}
6214	}
6215	}
6216	}
6217	}
6218
6219	sdp_parser_free(parser);
6220
6221	return SWITCH_STATUS_SUCCESS;
6222
6223	}
6224
6225	//?
6226	SWITCH_DECLARE(void)__attribute__((visibility("default"))) voidswitch_core_media_set_local_sdp(switch_core_session_t session, const char sdp_str, switch_bool_t dup)
6227	{
6228	switch_media_handle_t *smh;
6229
6230	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 6230, __PRETTY_FUNCTION__));
6231
6232	if (!(smh = session->media_handle)) {
6233	return;
6234	}
6235
6236	if (smh->sdp_mutex) switch_mutex_lock(smh->sdp_mutex);
6237	smh->mparams->local_sdp_str = dup ? switch_core_session_strdup(session, sdp_str)switch_core_perform_session_strdup(session, sdp_str, "src/switch_core_media.c" , (const char )__func__, 6237) : (char ) sdp_str;
6238	switch_channel_set_variable(session->channel, "rtp_local_sdp_str", smh->mparams->local_sdp_str)switch_channel_set_variable_var_check(session->channel, "rtp_local_sdp_str" , smh->mparams->local_sdp_str, SWITCH_TRUE);
6239	if (smh->sdp_mutex) switch_mutex_unlock(smh->sdp_mutex);
6240	}
6241
6242
6243	//?
6244	#define SDPBUFLEN65536 65536
6245	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_gen_local_sdp(switch_core_session_t session, switch_sdp_type_t sdp_type, const char ip, switch_port_t port, const char *sr, int force)
6246	{
6247	char *buf;
6248	int ptime = 0;
6249	uint32_t rate = 0;
6250	uint32_t v_port;
6251	int use_cng = 1;
6252	const char *val;
6253	const char *family;
6254	const char *pass_fmtp = switch_channel_get_variable(session->channel, "rtp_video_fmtp")switch_channel_get_variable_dup(session->channel, "rtp_video_fmtp" , SWITCH_TRUE, -1);
6255	const char *ov_fmtp = switch_channel_get_variable(session->channel, "rtp_force_video_fmtp")switch_channel_get_variable_dup(session->channel, "rtp_force_video_fmtp" , SWITCH_TRUE, -1);
6256	const char *append_audio = switch_channel_get_variable(session->channel, "rtp_append_audio_sdp")switch_channel_get_variable_dup(session->channel, "rtp_append_audio_sdp" , SWITCH_TRUE, -1);
6257	const char *append_video = switch_channel_get_variable(session->channel, "rtp_append_video_sdp")switch_channel_get_variable_dup(session->channel, "rtp_append_video_sdp" , SWITCH_TRUE, -1);
6258	char srbuf[128] = "";
6259	const char *var_val;
6260	const char *username;
6261	const char *fmtp_out;
6262	const char *fmtp_out_var = switch_channel_get_variable(session->channel, "rtp_force_audio_fmtp")switch_channel_get_variable_dup(session->channel, "rtp_force_audio_fmtp" , SWITCH_TRUE, -1);
6263	switch_event_t map = NULL((void)0), ptmap = NULL((void)0);
6264	//const char *b_sdp = NULL;
6265	//const char *local_audio_crypto_key = switch_core_session_local_crypto_key(session, SWITCH_MEDIA_TYPE_AUDIO);
6266	const char *local_sdp_audio_zrtp_hash = switch_core_media_get_zrtp_hash(session, SWITCH_MEDIA_TYPE_AUDIO, SWITCH_TRUE);
6267	const char *local_sdp_video_zrtp_hash = switch_core_media_get_zrtp_hash(session, SWITCH_MEDIA_TYPE_VIDEO, SWITCH_TRUE);
6268	const char *tmp;
6269	switch_rtp_engine_t a_engine, v_engine;
6270	switch_media_handle_t *smh;
6271	ice_t *ice_out;
6272	int vp8 = 0;
6273	int red = 0;
6274	payload_map_t *pmap;
6275	int is_outbound = switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_OUTBOUND;
6276
6277	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 6277, __PRETTY_FUNCTION__));
6278
6279	if (!(smh = session->media_handle)) {
6280	return;
6281	}
6282
6283	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
6284	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
6285
6286	if (switch_true(switch_channel_get_variable(session->channel, "rtcp_mux")switch_channel_get_variable_dup(session->channel, "rtcp_mux" , SWITCH_TRUE, -1))) {
6287	a_engine->rtcp_mux = 1;
6288	v_engine->rtcp_mux = 1;
6289	}
6290
6291	if (!smh->mparams->rtcp_audio_interval_msec) {
6292	smh->mparams->rtcp_audio_interval_msec = (char *)switch_channel_get_variable(session->channel, "rtcp_audio_interval_msec")switch_channel_get_variable_dup(session->channel, "rtcp_audio_interval_msec" , SWITCH_TRUE, -1);
6293	}
6294
6295	if (!smh->mparams->rtcp_video_interval_msec) {
6296	smh->mparams->rtcp_video_interval_msec = (char *)switch_channel_get_variable(session->channel, "rtcp_video_interval_msec")switch_channel_get_variable_dup(session->channel, "rtcp_video_interval_msec" , SWITCH_TRUE, -1);
6297	}
6298
6299	if (dtls_ok(session) && (tmp = switch_channel_get_variable(smh->session->channel, "webrtc_enable_dtls")switch_channel_get_variable_dup(smh->session->channel, "webrtc_enable_dtls" , SWITCH_TRUE, -1)) && switch_false(tmp)) {
6300	switch_channel_clear_flag(smh->session->channel, CF_DTLS_OK);
6301	switch_channel_clear_flag(smh->session->channel, CF_DTLS);
6302	}
6303
6304	if (is_outbound \|\| switch_channel_test_flag(session->channel, CF_RECOVERING) \|\|
6305	switch_channel_test_flag(session->channel, CF_3PCC)) {
6306	if (!switch_channel_test_flag(session->channel, CF_WEBRTC) &&
6307	switch_true(switch_channel_get_variable(session->channel, "media_webrtc")switch_channel_get_variable_dup(session->channel, "media_webrtc" , SWITCH_TRUE, -1))) {
6308	switch_channel_set_flag(session->channel, CF_WEBRTC)switch_channel_set_flag_value(session->channel, CF_WEBRTC, 1);
6309	switch_channel_set_flag(session->channel, CF_ICE)switch_channel_set_flag_value(session->channel, CF_ICE, 1);
6310	smh->mparams->rtcp_audio_interval_msec = "5000";
6311	smh->mparams->rtcp_video_interval_msec = "5000";
6312	}
6313
6314	if ( switch_rtp_has_dtls() && dtls_ok(session)) {
6315	if (switch_channel_test_flag(session->channel, CF_WEBRTC) \|\|
6316	switch_true(switch_channel_get_variable(smh->session->channel, "rtp_use_dtls")switch_channel_get_variable_dup(smh->session->channel, "rtp_use_dtls" , SWITCH_TRUE, -1))) {
6317	switch_channel_set_flag(smh->session->channel, CF_DTLS)switch_channel_set_flag_value(smh->session->channel, CF_DTLS , 1);
6318	switch_channel_set_flag(smh->session->channel, CF_SECURE)switch_channel_set_flag_value(smh->session->channel, CF_SECURE , 1);
6319	generate_local_fingerprint(smh, SWITCH_MEDIA_TYPE_AUDIO);
6320	}
6321	}
6322	switch_core_session_parse_crypto_prefs(session);
6323	switch_core_session_check_outgoing_crypto(session);
6324	}
6325
6326	fmtp_out = a_engine->cur_payload_map->fmtp_out;
6327	username = smh->mparams->sdp_username;
6328
6329
6330	switch_zmalloc(buf, SDPBUFLEN)(void)((((buf = calloc(1, (65536)))) ? (void) (0) : __assert_fail ("(buf = calloc(1, (65536)))", "src/switch_core_media.c", 6330 , __PRETTY_FUNCTION__)),buf);
6331
6332	switch_core_media_check_dtmf_type(session);
6333
6334	if (switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG) \|\|
6335	((val = switch_channel_get_variable(session->channel, "supress_cng")switch_channel_get_variable_dup(session->channel, "supress_cng" , SWITCH_TRUE, -1)) && switch_true(val)) \|\|
6336	((val = switch_channel_get_variable(session->channel, "suppress_cng")switch_channel_get_variable_dup(session->channel, "suppress_cng" , SWITCH_TRUE, -1)) && switch_true(val))) {
6337	use_cng = 0;
6338	smh->mparams->cng_pt = 0;
6339	}
6340
6341
6342
6343
6344	if (!smh->payload_space) {
6345	int i;
6346
6347	/* it could be 98 but chrome reserves 98 and 99 for some internal stuff even though they should not.
6348	Everyone expects dtmf to be at 101 and Its not worth the trouble so we'll start at 102 */
6349	smh->payload_space = 102;
6350
6351	for (i = 0; i < smh->mparams->num_codecs; i++) {
6352	smh->ianacodes[i] = smh->codecs[i]->ianacode;
6353	}
6354
6355	if (sdp_type == SDP_TYPE_REQUEST) {
6356	switch_core_session_t orig_session = NULL((void)0);
6357
6358	switch_core_session_get_partner(session, &orig_session)switch_core_session_perform_get_partner(session, &orig_session , "src/switch_core_media.c", (const char *)__func__, 6358);
6359
6360	for (i = 0; i < smh->mparams->num_codecs; i++) {
6361	const switch_codec_implementation_t *imp = smh->codecs[i];
6362	switch_payload_t orig_pt = 0;
6363	char orig_fmtp = NULL((void)0);
6364
6365	//smh->ianacodes[i] = imp->ianacode;
6366
6367	if (smh->ianacodes[i] > 64) {
6368	if (smh->mparams->dtmf_type == DTMF_2833 && smh->mparams->te > 95 && smh->mparams->te == smh->payload_space) {
6369	smh->payload_space++;
6370	}
6371	if (!switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG) &&
6372	smh->mparams->cng_pt && use_cng && smh->mparams->cng_pt == smh->payload_space) {
6373	smh->payload_space++;
6374	}
6375
6376	if (orig_session &&
6377	switch_core_session_get_payload_code(orig_session,
6378	imp->codec_type == SWITCH_CODEC_TYPE_AUDIO ? SWITCH_MEDIA_TYPE_AUDIO : SWITCH_MEDIA_TYPE_VIDEO,
6379	imp->iananame, imp->samples_per_second, &orig_pt, NULL((void*)0), &orig_fmtp) == SWITCH_STATUS_SUCCESS) {
6380	if (orig_pt == smh->mparams->te) {
6381	smh->mparams->te = (switch_payload_t)smh->payload_space++;
6382	}
6383
6384	smh->ianacodes[i] = orig_pt;
6385
6386	if (orig_fmtp) {
6387	smh->fmtps[i] = switch_core_session_strdup(session, orig_fmtp)switch_core_perform_session_strdup(session, orig_fmtp, "src/switch_core_media.c" , (const char *)__func__, 6387);
6388	}
6389	} else {
6390	smh->ianacodes[i] = (switch_payload_t)smh->payload_space++;
6391	}
6392	}
6393
6394	switch_core_media_add_payload_map(session,
6395	imp->codec_type == SWITCH_CODEC_TYPE_AUDIO ? SWITCH_MEDIA_TYPE_AUDIO : SWITCH_MEDIA_TYPE_VIDEO,
6396	imp->iananame,
6397	NULL((void*)0),
6398	sdp_type,
6399	smh->ianacodes[i],
6400	imp->samples_per_second,
6401	imp->microseconds_per_packet / 1000,
6402	imp->number_of_channels,
6403	SWITCH_FALSE);
6404	}
6405
6406
6407	if (orig_session) {
6408	switch_core_session_rwunlock(orig_session);
6409	}
6410	}
6411	}
6412
6413	if (fmtp_out_var) {
6414	fmtp_out = fmtp_out_var;
6415	}
6416
6417	val = switch_channel_get_variable(session->channel, "verbose_sdp")switch_channel_get_variable_dup(session->channel, "verbose_sdp" , SWITCH_TRUE, -1);
6418
6419	if (!val \|\| switch_true(val)) {
6420	switch_channel_set_flag(session->channel, CF_VERBOSE_SDP)switch_channel_set_flag_value(session->channel, CF_VERBOSE_SDP , 1);
6421	}
6422
6423	if (!force && !ip && zstr(sr)_zstr(sr)
6424	&& (switch_channel_test_flag(session->channel, CF_PROXY_MODE) \|\| switch_channel_test_flag(session->channel, CF_PROXY_MEDIA))) {
6425	switch_safe_free(buf)if (buf) {free(buf);buf=((void*)0);};
6426	return;
6427	}
6428
6429	if (!ip) {
6430	if (!(ip = a_engine->adv_sdp_ip)) {
6431	ip = a_engine->proxy_sdp_ip;
6432	}
6433	}
6434
6435	if (!ip) {
6436	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 6436, ((void)0), SWITCH_LOG_CRIT, "%s NO IP!\n", switch_channel_get_name(session->channel));
6437	switch_safe_free(buf)if (buf) {free(buf);buf=((void*)0);};
6438	return;
6439	}
6440
6441	if (!port) {
6442	if (!(port = a_engine->adv_sdp_port)) {
6443	port = a_engine->proxy_sdp_port;
6444	}
6445	}
6446
6447	if (!port) {
6448	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 6448, ((void)0), SWITCH_LOG_CRIT, "%s NO PORT!\n", switch_channel_get_name(session->channel));
6449	switch_safe_free(buf)if (buf) {free(buf);buf=((void*)0);};
6450	return;
6451	}
6452
6453	//if (!a_engine->cur_payload_map->rm_encoding && (b_sdp = switch_channel_get_variable(session->channel, SWITCH_B_SDP_VARIABLE))) {
6454	//switch_core_media_sdp_map(b_sdp, &map, &ptmap);
6455	//}
6456
6457	if (zstr(sr)_zstr(sr)) {
6458	if ((var_val = switch_channel_get_variable(session->channel, "media_audio_mode")switch_channel_get_variable_dup(session->channel, "media_audio_mode" , SWITCH_TRUE, -1))) {
6459	sr = var_val;
6460	} else {
6461	sr = "sendrecv";
6462	}
6463	}
6464
6465	if (!smh->owner_id) {
6466	smh->owner_id = (uint32_t) switch_epoch_time_now(NULL((void*)0)) - port;
6467	}
6468
6469	if (!smh->session_id) {
6470	smh->session_id = smh->owner_id;
6471	}
6472
6473	if (switch_true(switch_channel_get_variable_dup(session->channel, "drop_dtmf", SWITCH_FALSE, -1))) {
6474	switch_channel_set_flag(session->channel, CF_DROP_DTMF)switch_channel_set_flag_value(session->channel, CF_DROP_DTMF , 1);
6475	}
6476
6477	smh->session_id++;
6478
6479	if ((smh->mparams->ndlb & SM_NDLB_SENDRECV_IN_SESSION) \|\|
6480	((var_val = switch_channel_get_variable(session->channel, "ndlb_sendrecv_in_session")switch_channel_get_variable_dup(session->channel, "ndlb_sendrecv_in_session" , SWITCH_TRUE, -1)) && switch_true(var_val))) {
6481	if (!zstr(sr)_zstr(sr)) {
6482	switch_snprintf(srbuf, sizeof(srbuf), "a=%s\n", sr);
6483	}
6484	sr = NULL((void*)0);
6485	}
6486
6487	family = strchr(ip, ':')(__extension__ (__builtin_constant_p (':') && !__builtin_constant_p (ip) && (':') == '\0' ? (char *) __rawmemchr (ip, ':' ) : __builtin_strchr (ip, ':'))) ? "IP6" : "IP4";
6488	switch_snprintf(buf, SDPBUFLEN65536,
6489	"v=0\n"
6490	"o=%s %010u %010u IN %s %s\n"
6491	"s=%s\n"
6492	"c=IN %s %s\n"
6493	"t=0 0\n"
6494	"%s",
6495	username, smh->owner_id, smh->session_id, family, ip, username, family, ip, srbuf);
6496
6497
6498	if (switch_channel_test_flag(smh->session->channel, CF_ICE)) {
6499	gen_ice(session, SWITCH_MEDIA_TYPE_AUDIO, ip, port);
6500	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=msid-semantic: WMS %s\n", smh->msid);
6501	}
6502
6503
6504	if (a_engine->codec_negotiated) {
6505	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "m=audio %d %s", port,
6506	get_media_profile_name(session, !a_engine->no_crypto &&
6507	(switch_channel_test_flag(session->channel, CF_DTLS) \|\| a_engine->crypto_type != CRYPTO_INVALID)));
6508
6509
6510	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), " %d", a_engine->cur_payload_map->pt);
6511
6512
6513	if (switch_media_handle_test_media_flag(smh, SCMF_MULTI_ANSWER_AUDIO)) {
6514	switch_mutex_lock(smh->sdp_mutex);
6515	for (pmap = a_engine->cur_payload_map; pmap && pmap->allocated; pmap = pmap->next) {
6516	if (pmap->pt != a_engine->cur_payload_map->pt) {
6517	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), " %d", pmap->pt);
6518	}
6519	}
6520	switch_mutex_unlock(smh->sdp_mutex);
6521	}
6522
6523	if ((smh->mparams->dtmf_type == DTMF_2833 \|\| switch_media_handle_test_media_flag(smh, SCMF_LIBERAL_DTMF) \|\|
6524	switch_channel_test_flag(session->channel, CF_LIBERAL_DTMF)) && smh->mparams->te > 95) {
6525	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), " %d", smh->mparams->te);
6526	}
6527
6528	if (!switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG) && smh->mparams->cng_pt && use_cng) {
6529	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), " %d", smh->mparams->cng_pt);
6530	}
6531
6532	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "\n");
6533
6534
6535	rate = a_engine->cur_payload_map->adv_rm_rate;
6536
6537	if (!a_engine->cur_payload_map->adv_channels) {
6538	a_engine->cur_payload_map->adv_channels = get_channels(a_engine->cur_payload_map->rm_encoding, 1);
6539	}
6540
6541	if (a_engine->cur_payload_map->adv_channels > 1) {
6542	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtpmap:%d %s/%d/%d\n",
6543	a_engine->cur_payload_map->agreed_pt, a_engine->cur_payload_map->rm_encoding, rate, a_engine->cur_payload_map->adv_channels);
6544	} else {
6545	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtpmap:%d %s/%d\n",
6546	a_engine->cur_payload_map->agreed_pt, a_engine->cur_payload_map->rm_encoding, rate);
6547	}
6548
6549	if (fmtp_out) {
6550	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=fmtp:%d %s\n", a_engine->cur_payload_map->agreed_pt, fmtp_out);
6551	}
6552
6553	if (switch_media_handle_test_media_flag(smh, SCMF_MULTI_ANSWER_AUDIO)) {
6554	switch_mutex_lock(smh->sdp_mutex);
6555	for (pmap = a_engine->cur_payload_map; pmap && pmap->allocated; pmap = pmap->next) {
6556	if (pmap->pt != a_engine->cur_payload_map->pt) {
6557	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtpmap:%d %s/%ld\n",
6558	pmap->pt, pmap->iananame,
6559	pmap->rate);
6560	}
6561	}
6562	switch_mutex_unlock(smh->sdp_mutex);
6563	}
6564
6565
6566	if (a_engine->read_codec.implementation && !ptime) {
6567	ptime = a_engine->read_codec.implementation->microseconds_per_packet / 1000;
6568	}
6569
6570
6571	if ((smh->mparams->dtmf_type == DTMF_2833 \|\| switch_media_handle_test_media_flag(smh, SCMF_LIBERAL_DTMF) \|\|
6572	switch_channel_test_flag(session->channel, CF_LIBERAL_DTMF))
6573	&& smh->mparams->te > 95) {
6574	if (switch_channel_test_flag(session->channel, CF_WEBRTC)) {
6575	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtpmap:%d telephone-event/8000\n", smh->mparams->te);
6576	} else {
6577	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtpmap:%d telephone-event/8000\na=fmtp:%d 0-16\n", smh->mparams->te, smh->mparams->te);
6578	}
6579	}
6580
6581	if (switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG)) {
6582	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=silenceSupp:off - - - -\n");
6583	} else if (smh->mparams->cng_pt && use_cng) {
6584	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtpmap:%d CN/8000\n", smh->mparams->cng_pt);
6585
6586	if (!a_engine->codec_negotiated) {
6587	smh->mparams->cng_pt = 0;
6588	}
6589	}
6590
6591	if (append_audio) {
6592	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "%s%s", append_audio, end_of(append_audio)(append_audio == '\0' ? append_audio : append_audio + strlen (append_audio) - 1) == '\n' ? "" : "\n");
6593	}
6594
6595	if (ptime) {
6596	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ptime:%d\n", ptime);
6597	}
6598
6599
6600	if (local_sdp_audio_zrtp_hash) {
6601	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 6601, (const char)(session), SWITCH_LOG_DEBUG, "Adding audio a=zrtp-hash:%s\n",
6602	local_sdp_audio_zrtp_hash);
6603	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=zrtp-hash:%s\n",
6604	local_sdp_audio_zrtp_hash);
6605	}
6606
6607	if (!zstr(sr)_zstr(sr)) {
6608	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=%s\n", sr);
6609	}
6610
6611
6612	if (!zstr(a_engine->local_dtls_fingerprint.type)_zstr(a_engine->local_dtls_fingerprint.type)) {
6613	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=fingerprint:%s %s\n", a_engine->local_dtls_fingerprint.type,
6614	a_engine->local_dtls_fingerprint.str);
6615	}
6616
6617	if (smh->mparams->rtcp_audio_interval_msec) {
6618	if (a_engine->rtcp_mux > 0) {
6619	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtcp-mux\n");
6620	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtcp:%d IN %s %s\n", port, family, ip);
6621	} else {
6622	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtcp:%d IN %s %s\n", port + 1, family, ip);
6623	}
6624	}
6625
6626	//switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ssrc:%u\n", a_engine->ssrc);
6627
6628	if (a_engine->ice_out.cands[0][0].ready) {
6629	char tmp1[11] = "";
6630	char tmp2[11] = "";
6631	uint32_t c1 = (2^24)126 + (2^8)65535 + (2^0)*(256 - 1);
6632	uint32_t c2 = (2^24)126 + (2^8)65535 + (2^0)*(256 - 2);
6633	uint32_t c3 = (2^24)126 + (2^8)65534 + (2^0)*(256 - 1);
6634	uint32_t c4 = (2^24)126 + (2^8)65534 + (2^0)*(256 - 2);
6635
6636	tmp1[10] = '\0';
6637	tmp2[10] = '\0';
6638	switch_stun_random_string(tmp1, 10, "0123456789");
6639	switch_stun_random_string(tmp2, 10, "0123456789");
6640
6641	ice_out = &a_engine->ice_out;
6642
6643	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ssrc:%u cname:%s\n", a_engine->ssrc, smh->cname);
6644	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ssrc:%u msid:%s a0\n", a_engine->ssrc, smh->msid);
6645	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ssrc:%u mslabel:%s\n", a_engine->ssrc, smh->msid);
6646	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ssrc:%u label:%sa0\n", a_engine->ssrc, smh->msid);
6647
6648
6649
6650	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ice-ufrag:%s\n", ice_out->ufrag);
6651	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ice-pwd:%s\n", ice_out->pwd);
6652
6653
6654	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=candidate:%s 1 %s %u %s %d typ host generation 0\n",
6655	tmp1, ice_out->cands[0][0].transport, c1,
6656	ice_out->cands[0][0].con_addr, ice_out->cands[0][0].con_port
6657	);
6658
6659	if (!zstr(a_engine->local_sdp_ip)_zstr(a_engine->local_sdp_ip) && !zstr(ice_out->cands[0][0].con_addr)_zstr(ice_out->cands[0][0].con_addr) &&
6660	strcmp(a_engine->local_sdp_ip, ice_out->cands[0][0].con_addr)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (a_engine->local_sdp_ip) && __builtin_constant_p ( ice_out->cands[0][0].con_addr) && (__s1_len = __builtin_strlen (a_engine->local_sdp_ip), __s2_len = __builtin_strlen (ice_out ->cands[0][0].con_addr), (!((size_t)(const void )((a_engine ->local_sdp_ip) + 1) - (size_t)(const void )(a_engine-> local_sdp_ip) == 1) \|\| __s1_len >= 4) && (!((size_t )(const void )((ice_out->cands[0][0].con_addr) + 1) - (size_t )(const void )(ice_out->cands[0][0].con_addr) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (a_engine->local_sdp_ip, ice_out ->cands[0][0].con_addr) : (__builtin_constant_p (a_engine-> local_sdp_ip) && ((size_t)(const void )((a_engine-> local_sdp_ip) + 1) - (size_t)(const void )(a_engine->local_sdp_ip ) == 1) && (__s1_len = __builtin_strlen (a_engine-> local_sdp_ip), __s1_len < 4) ? (__builtin_constant_p (ice_out ->cands[0][0].con_addr) && ((size_t)(const void ) ((ice_out->cands[0][0].con_addr) + 1) - (size_t)(const void )(ice_out->cands[0][0].con_addr) == 1) ? __builtin_strcmp (a_engine->local_sdp_ip, ice_out->cands[0][0].con_addr ) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (ice_out->cands[0][0].con_addr); int __result = (((const unsigned char ) (const char ) (a_engine ->local_sdp_ip))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->local_sdp_ip))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->local_sdp_ip))[2] - __s2 [2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (a_engine->local_sdp_ip ))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ( ice_out->cands[0][0].con_addr) && ((size_t)(const void )((ice_out->cands[0][0].con_addr) + 1) - (size_t)(const void )(ice_out->cands[0][0].con_addr) == 1) && (__s2_len = __builtin_strlen (ice_out->cands[0][0].con_addr), __s2_len < 4) ? (__builtin_constant_p (a_engine->local_sdp_ip) && ((size_t)(const void )((a_engine->local_sdp_ip) + 1) - ( size_t)(const void )(a_engine->local_sdp_ip) == 1) ? __builtin_strcmp (a_engine->local_sdp_ip, ice_out->cands[0][0].con_addr ) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (a_engine->local_sdp_ip); int __result = (((const unsigned char ) (const char ) (ice_out->cands [0][0].con_addr))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (ice_out->cands[0][0].con_addr))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (ice_out->cands[0][0].con_addr ))[2] - __s2[2]); if (__s2_len > 2 && __result == 0 ) __result = (((const unsigned char ) (const char ) (ice_out ->cands[0][0].con_addr))[3] - __s2[3]); } } __result; }))) ) : __builtin_strcmp (a_engine->local_sdp_ip, ice_out-> cands[0][0].con_addr)))); })
6661	&& a_engine->local_sdp_port != ice_out->cands[0][0].con_port) {
6662
6663	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=candidate:%s 1 %s %u %s %d typ srflx raddr %s rport %d generation 0\n",
6664	tmp2, ice_out->cands[0][0].transport, c3,
6665	ice_out->cands[0][0].con_addr, ice_out->cands[0][0].con_port,
6666	a_engine->local_sdp_ip, a_engine->local_sdp_port
6667	);
6668	}
6669
6670
6671	if (a_engine->rtcp_mux < 1 \|\| is_outbound \|\|
6672	switch_channel_test_flag(session->channel, CF_RECOVERING)) {
6673
6674	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=candidate:%s 2 %s %u %s %d typ host generation 0\n",
6675	tmp1, ice_out->cands[0][0].transport, c2,
6676	ice_out->cands[0][0].con_addr, ice_out->cands[0][0].con_port + (a_engine->rtcp_mux > 0 ? 0 : 1)
6677	);
6678
6679
6680
6681	if (!zstr(a_engine->local_sdp_ip)_zstr(a_engine->local_sdp_ip) && !zstr(ice_out->cands[0][0].con_addr)_zstr(ice_out->cands[0][0].con_addr) &&
6682	strcmp(a_engine->local_sdp_ip, ice_out->cands[0][0].con_addr)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (a_engine->local_sdp_ip) && __builtin_constant_p ( ice_out->cands[0][0].con_addr) && (__s1_len = __builtin_strlen (a_engine->local_sdp_ip), __s2_len = __builtin_strlen (ice_out ->cands[0][0].con_addr), (!((size_t)(const void )((a_engine ->local_sdp_ip) + 1) - (size_t)(const void )(a_engine-> local_sdp_ip) == 1) \|\| __s1_len >= 4) && (!((size_t )(const void )((ice_out->cands[0][0].con_addr) + 1) - (size_t )(const void )(ice_out->cands[0][0].con_addr) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (a_engine->local_sdp_ip, ice_out ->cands[0][0].con_addr) : (__builtin_constant_p (a_engine-> local_sdp_ip) && ((size_t)(const void )((a_engine-> local_sdp_ip) + 1) - (size_t)(const void )(a_engine->local_sdp_ip ) == 1) && (__s1_len = __builtin_strlen (a_engine-> local_sdp_ip), __s1_len < 4) ? (__builtin_constant_p (ice_out ->cands[0][0].con_addr) && ((size_t)(const void ) ((ice_out->cands[0][0].con_addr) + 1) - (size_t)(const void )(ice_out->cands[0][0].con_addr) == 1) ? __builtin_strcmp (a_engine->local_sdp_ip, ice_out->cands[0][0].con_addr ) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (ice_out->cands[0][0].con_addr); int __result = (((const unsigned char ) (const char ) (a_engine ->local_sdp_ip))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->local_sdp_ip))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (a_engine->local_sdp_ip))[2] - __s2 [2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (a_engine->local_sdp_ip ))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ( ice_out->cands[0][0].con_addr) && ((size_t)(const void )((ice_out->cands[0][0].con_addr) + 1) - (size_t)(const void )(ice_out->cands[0][0].con_addr) == 1) && (__s2_len = __builtin_strlen (ice_out->cands[0][0].con_addr), __s2_len < 4) ? (__builtin_constant_p (a_engine->local_sdp_ip) && ((size_t)(const void )((a_engine->local_sdp_ip) + 1) - ( size_t)(const void )(a_engine->local_sdp_ip) == 1) ? __builtin_strcmp (a_engine->local_sdp_ip, ice_out->cands[0][0].con_addr ) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (a_engine->local_sdp_ip); int __result = (((const unsigned char ) (const char ) (ice_out->cands [0][0].con_addr))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (ice_out->cands[0][0].con_addr))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (ice_out->cands[0][0].con_addr ))[2] - __s2[2]); if (__s2_len > 2 && __result == 0 ) __result = (((const unsigned char ) (const char ) (ice_out ->cands[0][0].con_addr))[3] - __s2[3]); } } __result; }))) ) : __builtin_strcmp (a_engine->local_sdp_ip, ice_out-> cands[0][0].con_addr)))); })
6683	&& a_engine->local_sdp_port != ice_out->cands[0][0].con_port) {
6684
6685	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=candidate:%s 2 %s %u %s %d typ srflx raddr %s rport %d generation 0\n",
6686	tmp2, ice_out->cands[0][0].transport, c4,
6687	ice_out->cands[0][0].con_addr, ice_out->cands[0][0].con_port + (a_engine->rtcp_mux > 0 ? 0 : 1),
6688	a_engine->local_sdp_ip, a_engine->local_sdp_port + (a_engine->rtcp_mux > 0 ? 0 : 1)
6689	);
6690	}
6691	}
6692
6693
6694	#ifdef GOOGLE_ICE
6695	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ice-options:google-ice\n");
6696	#endif
6697	}
6698
6699	if (a_engine->crypto_type != CRYPTO_INVALID && !switch_channel_test_flag(session->channel, CF_DTLS) &&
6700	!zstr(a_engine->ssec[a_engine->crypto_type].local_crypto_key)_zstr(a_engine->ssec[a_engine->crypto_type].local_crypto_key ) && switch_channel_test_flag(session->channel, CF_SECURE)) {
6701
6702	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=crypto:%s\n", a_engine->ssec[a_engine->crypto_type].local_crypto_key);
6703	//switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=encryption:optional\n");
6704	}
6705
6706	} else if (smh->mparams->num_codecs) {
6707	int i;
6708	int cur_ptime = 0, this_ptime = 0, cng_type = 0;
6709	const char *mult;
6710
6711	if (!switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG) && smh->mparams->cng_pt && use_cng) {
6712	cng_type = smh->mparams->cng_pt;
6713
6714	if (!a_engine->codec_negotiated) {
6715	smh->mparams->cng_pt = 0;
6716	}
6717	}
6718
6719	mult = switch_channel_get_variable(session->channel, "sdp_m_per_ptime")switch_channel_get_variable_dup(session->channel, "sdp_m_per_ptime" , SWITCH_TRUE, -1);
6720
6721
6722	if (switch_channel_test_flag(session->channel, CF_WEBRTC) \|\| (mult && switch_false(mult))) {
6723	char *bp = buf;
6724	int both = (switch_channel_test_flag(session->channel, CF_WEBRTC) \|\| switch_channel_test_flag(session->channel, CF_DTLS)) ? 0 : 1;
6725
6726	if ((!a_engine->no_crypto && switch_channel_test_flag(session->channel, CF_SECURE)) \|\|
6727	switch_channel_test_flag(session->channel, CF_DTLS)) {
6728	generate_m(session, buf, SDPBUFLEN65536, port, family, ip, 0, append_audio, sr, use_cng, cng_type, map, 1, sdp_type);
6729	bp = (buf + strlen(buf));
6730
6731	if (smh->crypto_mode == CRYPTO_MODE_MANDATORY) {
6732	both = 0;
6733	}
6734
6735	}
6736
6737	if (both) {
6738	generate_m(session, bp, SDPBUFLEN65536 - strlen(buf), port, family, ip, 0, append_audio, sr, use_cng, cng_type, map, 0, sdp_type);
6739	}
6740
6741	} else {
6742
6743	for (i = 0; i < smh->mparams->num_codecs; i++) {
6744	const switch_codec_implementation_t *imp = smh->codecs[i];
6745
6746	if (imp->codec_type != SWITCH_CODEC_TYPE_AUDIO) {
6747	continue;
6748	}
6749
6750	this_ptime = imp->microseconds_per_packet / 1000;
6751
6752	if (!strcasecmp(imp->iananame, "ilbc") \|\| !strcasecmp(imp->iananame, "isac")) {
6753	this_ptime = 20;
6754	}
6755
6756	if (cur_ptime != this_ptime) {
6757	char *bp = buf;
6758	int both = 1;
6759
6760	cur_ptime = this_ptime;
6761
6762	if ((!a_engine->no_crypto && switch_channel_test_flag(session->channel, CF_SECURE)) \|\|
6763	switch_channel_test_flag(session->channel, CF_DTLS)) {
6764	generate_m(session, bp, SDPBUFLEN65536 - strlen(buf), port, family, ip, cur_ptime, append_audio, sr, use_cng, cng_type, map, 1, sdp_type);
6765	bp = (buf + strlen(buf));
6766
6767	if (smh->crypto_mode == CRYPTO_MODE_MANDATORY) {
6768	both = 0;
6769	}
6770	}
6771
6772	if (switch_channel_test_flag(session->channel, CF_WEBRTC) \|\| switch_channel_test_flag(session->channel, CF_DTLS)) {
6773	both = 0;
6774	}
6775
6776	if (both) {
6777	generate_m(session, bp, SDPBUFLEN65536 - strlen(buf), port, family, ip, cur_ptime, append_audio, sr, use_cng, cng_type, map, 0, sdp_type);
6778	}
6779	}
6780
6781	}
6782	}
6783
6784	}
6785
6786	if (switch_channel_test_flag(session->channel, CF_VIDEO_POSSIBLE)) {
6787	if (switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_INBOUND) {
6788	if (switch_channel_test_flag(smh->session->channel, CF_DTLS)) {
6789	v_engine->no_crypto = 1;
6790	}
6791	}
6792
6793
6794	if (!v_engine->local_sdp_port) {
6795	switch_core_media_choose_port(session, SWITCH_MEDIA_TYPE_VIDEO, 0);
6796	}
6797
6798	if (switch_channel_test_flag(session->channel, CF_WEBRTC)) {
6799	switch_media_handle_set_media_flag(smh, SCMF_MULTI_ANSWER_VIDEO);
6800	}
6801
6802	if ((v_port = v_engine->adv_sdp_port)) {
6803	int loops;
6804
6805	for (loops = 0; loops < 2; loops++) {
6806
6807	if (switch_channel_test_flag(smh->session->channel, CF_ICE)) {
6808	gen_ice(session, SWITCH_MEDIA_TYPE_VIDEO, ip, (switch_port_t)v_port);
6809	}
6810
6811
6812	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "m=video %d %s",
6813	v_port,
6814	get_media_profile_name(session,
6815	(loops == 0 && switch_channel_test_flag(session->channel, CF_SECURE)
6816	&& switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_OUTBOUND) \|\|
6817	a_engine->crypto_type != CRYPTO_INVALID \|\| switch_channel_test_flag(session->channel, CF_DTLS)));
6818
6819
6820
6821
6822	/*****************************/
6823	if (v_engine->codec_negotiated) {
6824	payload_map_t *pmap;
6825	switch_core_media_set_video_codec(session, 0);
6826	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), " %d", v_engine->cur_payload_map->agreed_pt);
6827
6828	if (switch_media_handle_test_media_flag(smh, SCMF_MULTI_ANSWER_VIDEO)) {
6829	switch_mutex_lock(smh->sdp_mutex);
6830	for (pmap = v_engine->cur_payload_map; pmap && pmap->allocated; pmap = pmap->next) {
6831	if (pmap->pt != v_engine->cur_payload_map->pt) {
6832	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), " %d", pmap->pt);
6833	}
6834	}
6835	switch_mutex_unlock(smh->sdp_mutex);
6836	}
6837
6838	} else if (smh->mparams->num_codecs) {
6839	int i;
6840	int already_did[128] = { 0 };
6841	for (i = 0; i < smh->mparams->num_codecs; i++) {
6842	const switch_codec_implementation_t *imp = smh->codecs[i];
6843
6844
6845	if (imp->codec_type != SWITCH_CODEC_TYPE_VIDEO) {
6846	continue;
6847	}
6848
6849	if (switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_INBOUND &&
6850	switch_channel_test_flag(session->channel, CF_NOVIDEO)) {
6851	continue;
6852	}
6853
6854	if (smh->ianacodes[i] < 128) {
6855	if (already_did[smh->ianacodes[i]]) {
6856	continue;
6857	}
6858	already_did[smh->ianacodes[i]] = 1;
6859	}
6860
6861	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), " %d", smh->ianacodes[i]);
6862
6863	if (!ptime) {
6864	ptime = imp->microseconds_per_packet / 1000;
6865	}
6866	}
6867	}
6868
6869	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "\n");
6870
6871
6872	if (v_engine->codec_negotiated) {
6873	const char *of;
6874	payload_map_t *pmap;
6875
6876	if (!strcasecmp(v_engine->cur_payload_map->rm_encoding, "VP8")) {
6877	vp8 = v_engine->cur_payload_map->pt;
6878	}
6879
6880	if (!strcasecmp(v_engine->cur_payload_map->rm_encoding, "red")) {
6881	red = v_engine->cur_payload_map->pt;
6882	}
6883
6884	rate = v_engine->cur_payload_map->rm_rate;
6885	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtpmap:%d %s/%ld\n",
6886	v_engine->cur_payload_map->pt, v_engine->cur_payload_map->rm_encoding,
6887	v_engine->cur_payload_map->rm_rate);
6888
6889
6890	if (switch_channel_test_flag(session->channel, CF_RECOVERING)) {
6891	pass_fmtp = v_engine->cur_payload_map->rm_fmtp;
6892	} else {
6893
6894	pass_fmtp = NULL((void*)0);
6895
6896	if (switch_channel_get_partner_uuid(session->channel)) {
6897	if ((of = switch_channel_get_variable_partner(session->channel, "rtp_video_fmtp"))) {
6898	pass_fmtp = of;
6899	}
6900	}
6901
6902	if (ov_fmtp) {
6903	pass_fmtp = ov_fmtp;
6904	} else { //if (switch_true(switch_channel_get_variable_dup(session->channel, "rtp_mirror_fmtp", SWITCH_FALSE, -1))) {
6905	// seems to break eyebeam at least...
6906	pass_fmtp = switch_channel_get_variable(session->channel, "rtp_video_fmtp")switch_channel_get_variable_dup(session->channel, "rtp_video_fmtp" , SWITCH_TRUE, -1);
6907	}
6908	}
6909
6910	if (pass_fmtp) {
6911	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=fmtp:%d %s\n", v_engine->cur_payload_map->pt, pass_fmtp);
6912	}
6913
6914
6915	if (switch_media_handle_test_media_flag(smh, SCMF_MULTI_ANSWER_VIDEO)) {
6916	switch_mutex_lock(smh->sdp_mutex);
6917	for (pmap = v_engine->cur_payload_map; pmap && pmap->allocated; pmap = pmap->next) {
6918	if (pmap->pt != v_engine->cur_payload_map->pt && pmap->negotiated) {
6919	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtpmap:%d %s/%ld\n",
6920	pmap->pt, pmap->iananame, pmap->rate);
6921
6922	}
6923	}
6924	switch_mutex_unlock(smh->sdp_mutex);
6925	}
6926
6927
6928	if (append_video) {
6929	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "%s%s", append_video, end_of(append_video)(append_video == '\0' ? append_video : append_video + strlen (append_video) - 1) == '\n' ? "" : "\n");
6930	}
6931
6932	} else if (smh->mparams->num_codecs) {
6933	int i;
6934	int already_did[128] = { 0 };
6935
6936	for (i = 0; i < smh->mparams->num_codecs; i++) {
6937	const switch_codec_implementation_t *imp = smh->codecs[i];
6938	char fmtp = NULL((void)0);
6939	uint32_t ianacode = smh->ianacodes[i];
6940	int channels;
6941
6942	if (imp->codec_type != SWITCH_CODEC_TYPE_VIDEO) {
6943	continue;
6944	}
6945
6946	if (switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_INBOUND &&
6947	switch_channel_test_flag(session->channel, CF_NOVIDEO)) {
6948	continue;
6949	}
6950
6951	if (ianacode < 128) {
6952	if (already_did[ianacode]) {
6953	continue;
6954	}
6955	already_did[ianacode] = 1;
6956	}
6957
6958	if (!rate) {
6959	rate = imp->samples_per_second;
6960	}
6961
6962	channels = get_channels(imp->iananame, imp->number_of_channels);
6963
6964	if (!strcasecmp(imp->iananame, "VP8")) {
6965	vp8 = ianacode;
6966	}
6967
6968	if (!strcasecmp(imp->iananame, "red")) {
6969	red = ianacode;
6970	}
6971
6972	if (channels > 1) {
6973	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtpmap:%d %s/%d/%d\n", ianacode, imp->iananame,
6974	imp->samples_per_second, channels);
6975	} else {
6976	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtpmap:%d %s/%d\n", ianacode, imp->iananame,
6977	imp->samples_per_second);
6978	}
6979
6980	if (!zstr(ov_fmtp)_zstr(ov_fmtp)) {
6981	fmtp = (char *) ov_fmtp;
6982	} else {
6983
6984	if (map) {
6985	fmtp = switch_event_get_header(map, imp->iananame)switch_event_get_header_idx(map, imp->iananame, -1);
6986	}
6987
6988	if (smh->fmtps[i]) {
6989	fmtp = smh->fmtps[i];
6990	}
6991
6992	if (zstr(fmtp)_zstr(fmtp)) fmtp = imp->fmtp;
6993
6994	if (zstr(fmtp)_zstr(fmtp)) fmtp = (char *) pass_fmtp;
6995	}
6996
6997	if (!zstr(fmtp)_zstr(fmtp) && strcasecmp(fmtp, "_blank_")) {
6998	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=fmtp:%d %s\n", ianacode, fmtp);
6999	}
7000	}
7001
7002	}
7003
7004	if ((is_outbound \|\| switch_channel_test_flag(session->channel, CF_RECOVERING))
7005	&& switch_channel_test_flag(smh->session->channel, CF_DTLS)) {
7006	generate_local_fingerprint(smh, SWITCH_MEDIA_TYPE_VIDEO);
7007	}
7008
7009
7010	if (!zstr(v_engine->local_dtls_fingerprint.type)_zstr(v_engine->local_dtls_fingerprint.type)) {
7011	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=fingerprint:%s %s\n", v_engine->local_dtls_fingerprint.type,
7012	v_engine->local_dtls_fingerprint.str);
7013	}
7014
7015
7016	if (smh->mparams->rtcp_video_interval_msec) {
7017	if (v_engine->rtcp_mux > 0) {
7018	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtcp-mux\n");
7019	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtcp:%d IN %s %s\n", v_port, family, ip);
7020	} else {
7021	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=rtcp:%d IN %s %s\n", v_port + 1, family, ip);
7022	}
7023	}
7024
7025
7026	if (v_engine->fir \|\| v_engine->pli) {
7027	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf),
7028	"a=rtcp-fb:* %s%s\n", v_engine->fir ? "fir " : "", v_engine->pli ? "pli" : "");
7029	}
7030
7031	//switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ssrc:%u\n", v_engine->ssrc);
7032
7033	if (v_engine->ice_out.cands[0][0].ready) {
7034	char tmp1[11] = "";
7035	char tmp2[11] = "";
7036	uint32_t c1 = (2^24)126 + (2^8)65535 + (2^0)*(256 - 1);
7037	uint32_t c2 = (2^24)126 + (2^8)65535 + (2^0)*(256 - 2);
7038	uint32_t c3 = (2^24)126 + (2^8)65534 + (2^0)*(256 - 1);
7039	uint32_t c4 = (2^24)126 + (2^8)65534 + (2^0)*(256 - 2);
7040	const char *vbw;
7041	int bw = 256;
7042
7043	tmp1[10] = '\0';
7044	tmp2[10] = '\0';
7045	switch_stun_random_string(tmp1, 10, "0123456789");
7046	switch_stun_random_string(tmp2, 10, "0123456789");
7047
7048	ice_out = &v_engine->ice_out;
7049
7050
7051	if ((vbw = switch_channel_get_variable(smh->session->channel, "rtp_video_max_bandwidth")switch_channel_get_variable_dup(smh->session->channel, "rtp_video_max_bandwidth" , SWITCH_TRUE, -1))) {
7052	int v = atoi(vbw);
7053	bw = v;
7054	}
7055
7056	if (bw > 0) {
7057	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "b=AS:%d\n", bw);
7058	}
7059
7060	if (vp8 && switch_channel_test_flag(session->channel, CF_WEBRTC)) {
7061	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf),
7062	"a=rtcp-fb:%d ccm fir\n", vp8);
7063	}
7064
7065	if (red) {
7066	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf),
7067	"a=rtcp-fb:%d nack\n", vp8);
7068	}
7069
7070	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ssrc:%u cname:%s\n", v_engine->ssrc, smh->cname);
7071	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ssrc:%u msid:%s v0\n", v_engine->ssrc, smh->msid);
7072	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ssrc:%u mslabel:%s\n", v_engine->ssrc, smh->msid);
7073	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ssrc:%u label:%sv0\n", v_engine->ssrc, smh->msid);
7074
7075
7076
7077	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ice-ufrag:%s\n", ice_out->ufrag);
7078	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ice-pwd:%s\n", ice_out->pwd);
7079
7080
7081	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=candidate:%s 1 %s %u %s %d typ host generation 0\n",
7082	tmp1, ice_out->cands[0][0].transport, c1,
7083	ice_out->cands[0][0].con_addr, ice_out->cands[0][0].con_port
7084	);
7085
7086	if (!zstr(v_engine->local_sdp_ip)_zstr(v_engine->local_sdp_ip) && !zstr(ice_out->cands[0][0].con_addr)_zstr(ice_out->cands[0][0].con_addr) &&
7087	strcmp(v_engine->local_sdp_ip, ice_out->cands[0][0].con_addr)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (v_engine->local_sdp_ip) && __builtin_constant_p ( ice_out->cands[0][0].con_addr) && (__s1_len = __builtin_strlen (v_engine->local_sdp_ip), __s2_len = __builtin_strlen (ice_out ->cands[0][0].con_addr), (!((size_t)(const void )((v_engine ->local_sdp_ip) + 1) - (size_t)(const void )(v_engine-> local_sdp_ip) == 1) \|\| __s1_len >= 4) && (!((size_t )(const void )((ice_out->cands[0][0].con_addr) + 1) - (size_t )(const void )(ice_out->cands[0][0].con_addr) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (v_engine->local_sdp_ip, ice_out ->cands[0][0].con_addr) : (__builtin_constant_p (v_engine-> local_sdp_ip) && ((size_t)(const void )((v_engine-> local_sdp_ip) + 1) - (size_t)(const void )(v_engine->local_sdp_ip ) == 1) && (__s1_len = __builtin_strlen (v_engine-> local_sdp_ip), __s1_len < 4) ? (__builtin_constant_p (ice_out ->cands[0][0].con_addr) && ((size_t)(const void ) ((ice_out->cands[0][0].con_addr) + 1) - (size_t)(const void )(ice_out->cands[0][0].con_addr) == 1) ? __builtin_strcmp (v_engine->local_sdp_ip, ice_out->cands[0][0].con_addr ) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (ice_out->cands[0][0].con_addr); int __result = (((const unsigned char ) (const char ) (v_engine ->local_sdp_ip))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (v_engine->local_sdp_ip))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (v_engine->local_sdp_ip))[2] - __s2 [2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (v_engine->local_sdp_ip ))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ( ice_out->cands[0][0].con_addr) && ((size_t)(const void )((ice_out->cands[0][0].con_addr) + 1) - (size_t)(const void )(ice_out->cands[0][0].con_addr) == 1) && (__s2_len = __builtin_strlen (ice_out->cands[0][0].con_addr), __s2_len < 4) ? (__builtin_constant_p (v_engine->local_sdp_ip) && ((size_t)(const void )((v_engine->local_sdp_ip) + 1) - ( size_t)(const void )(v_engine->local_sdp_ip) == 1) ? __builtin_strcmp (v_engine->local_sdp_ip, ice_out->cands[0][0].con_addr ) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (v_engine->local_sdp_ip); int __result = (((const unsigned char ) (const char ) (ice_out->cands [0][0].con_addr))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (ice_out->cands[0][0].con_addr))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (ice_out->cands[0][0].con_addr ))[2] - __s2[2]); if (__s2_len > 2 && __result == 0 ) __result = (((const unsigned char ) (const char ) (ice_out ->cands[0][0].con_addr))[3] - __s2[3]); } } __result; }))) ) : __builtin_strcmp (v_engine->local_sdp_ip, ice_out-> cands[0][0].con_addr)))); })
7088	&& v_engine->local_sdp_port != ice_out->cands[0][0].con_port) {
7089
7090	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=candidate:%s 1 %s %u %s %d typ srflx raddr %s rport %d generation 0\n",
7091	tmp2, ice_out->cands[0][0].transport, c3,
7092	ice_out->cands[0][0].con_addr, ice_out->cands[0][0].con_port,
7093	v_engine->local_sdp_ip, v_engine->local_sdp_port
7094	);
7095	}
7096
7097
7098	if (v_engine->rtcp_mux < 1 \|\| is_outbound \|\|
7099	switch_channel_test_flag(session->channel, CF_RECOVERING)) {
7100
7101	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=candidate:%s 2 %s %u %s %d typ host generation 0\n",
7102	tmp1, ice_out->cands[0][0].transport, c2,
7103	ice_out->cands[0][0].con_addr, ice_out->cands[0][0].con_port + (v_engine->rtcp_mux > 0 ? 0 : 1)
7104	);
7105
7106
7107	if (!zstr(v_engine->local_sdp_ip)_zstr(v_engine->local_sdp_ip) && !zstr(ice_out->cands[0][1].con_addr)_zstr(ice_out->cands[0][1].con_addr) &&
7108	strcmp(v_engine->local_sdp_ip, ice_out->cands[0][1].con_addr)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (v_engine->local_sdp_ip) && __builtin_constant_p ( ice_out->cands[0][1].con_addr) && (__s1_len = __builtin_strlen (v_engine->local_sdp_ip), __s2_len = __builtin_strlen (ice_out ->cands[0][1].con_addr), (!((size_t)(const void )((v_engine ->local_sdp_ip) + 1) - (size_t)(const void )(v_engine-> local_sdp_ip) == 1) \|\| __s1_len >= 4) && (!((size_t )(const void )((ice_out->cands[0][1].con_addr) + 1) - (size_t )(const void )(ice_out->cands[0][1].con_addr) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp (v_engine->local_sdp_ip, ice_out ->cands[0][1].con_addr) : (__builtin_constant_p (v_engine-> local_sdp_ip) && ((size_t)(const void )((v_engine-> local_sdp_ip) + 1) - (size_t)(const void )(v_engine->local_sdp_ip ) == 1) && (__s1_len = __builtin_strlen (v_engine-> local_sdp_ip), __s1_len < 4) ? (__builtin_constant_p (ice_out ->cands[0][1].con_addr) && ((size_t)(const void ) ((ice_out->cands[0][1].con_addr) + 1) - (size_t)(const void )(ice_out->cands[0][1].con_addr) == 1) ? __builtin_strcmp (v_engine->local_sdp_ip, ice_out->cands[0][1].con_addr ) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (ice_out->cands[0][1].con_addr); int __result = (((const unsigned char ) (const char ) (v_engine ->local_sdp_ip))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (v_engine->local_sdp_ip))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (v_engine->local_sdp_ip))[2] - __s2 [2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (v_engine->local_sdp_ip ))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ( ice_out->cands[0][1].con_addr) && ((size_t)(const void )((ice_out->cands[0][1].con_addr) + 1) - (size_t)(const void )(ice_out->cands[0][1].con_addr) == 1) && (__s2_len = __builtin_strlen (ice_out->cands[0][1].con_addr), __s2_len < 4) ? (__builtin_constant_p (v_engine->local_sdp_ip) && ((size_t)(const void )((v_engine->local_sdp_ip) + 1) - ( size_t)(const void )(v_engine->local_sdp_ip) == 1) ? __builtin_strcmp (v_engine->local_sdp_ip, ice_out->cands[0][1].con_addr ) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (v_engine->local_sdp_ip); int __result = (((const unsigned char ) (const char ) (ice_out->cands [0][1].con_addr))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (ice_out->cands[0][1].con_addr))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (ice_out->cands[0][1].con_addr ))[2] - __s2[2]); if (__s2_len > 2 && __result == 0 ) __result = (((const unsigned char ) (const char ) (ice_out ->cands[0][1].con_addr))[3] - __s2[3]); } } __result; }))) ) : __builtin_strcmp (v_engine->local_sdp_ip, ice_out-> cands[0][1].con_addr)))); })
7109	&& v_engine->local_sdp_port != ice_out->cands[0][1].con_port) {
7110
7111	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=candidate:%s 2 %s %u %s %d typ srflx generation 0\n",
7112	tmp2, ice_out->cands[0][0].transport, c4,
7113	ice_out->cands[0][0].con_addr, ice_out->cands[0][0].con_port + (v_engine->rtcp_mux > 0 ? 0 : 1),
7114	v_engine->local_sdp_ip, v_engine->local_sdp_port + (v_engine->rtcp_mux > 0 ? 0 : 1)
7115	);
7116	}
7117	}
7118
7119
7120
7121	#ifdef GOOGLE_ICE
7122	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=ice-options:google-ice\n");
7123	#endif
7124	}
7125
7126
7127
7128	if (loops == 0 && switch_channel_test_flag(session->channel, CF_SECURE) && !switch_channel_test_flag(session->channel, CF_DTLS)) {
7129	int i;
7130
7131	for (i = 0; smh->crypto_suite_order[i] != CRYPTO_INVALID; i++) {
7132	switch_rtp_crypto_key_type_t j = SUITES[smh->crypto_suite_order[i]].type;
7133
7134	if ((a_engine->crypto_type == j \|\| a_engine->crypto_type == CRYPTO_INVALID) && !zstr(a_engine->ssec[j].local_crypto_key)_zstr(a_engine->ssec[j].local_crypto_key)) {
7135	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=crypto:%s\n", v_engine->ssec[j].local_crypto_key);
7136	}
7137	}
7138	//switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=encryption:optional\n");
7139	}
7140
7141
7142	if (local_sdp_video_zrtp_hash) {
7143	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7143, (const char)(session), SWITCH_LOG_DEBUG, "Adding video a=zrtp-hash:%s\n", local_sdp_video_zrtp_hash);
7144	switch_snprintf(buf + strlen(buf), SDPBUFLEN65536 - strlen(buf), "a=zrtp-hash:%s\n", local_sdp_video_zrtp_hash);
7145	}
7146
7147
7148	if (switch_channel_test_flag(session->channel, CF_DTLS) \|\|
7149	!switch_channel_test_flag(session->channel, CF_SECURE) \|\|
7150	smh->crypto_mode == CRYPTO_MODE_MANDATORY \|\| smh->crypto_mode == CRYPTO_MODE_FORBIDDEN) {
7151	break;
7152	}
7153	}
7154	}
7155
7156	}
7157
7158
7159	if (map) {
7160	switch_event_destroy(&map);
7161	}
7162
7163	if (ptmap) {
7164	switch_event_destroy(&ptmap);
7165	}
7166
7167	switch_core_media_set_local_sdp(session, buf, SWITCH_TRUE);
7168
7169	switch_safe_free(buf)if (buf) {free(buf);buf=((void*)0);};
7170	}
7171
7172
7173
7174	//?
7175	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_absorb_sdp(switch_core_session_t *session)
7176	{
7177	const char *sdp_str;
7178	switch_rtp_engine_t *a_engine;
7179	switch_media_handle_t *smh;
7180
7181	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 7181, __PRETTY_FUNCTION__));
7182
7183	if (!(smh = session->media_handle)) {
7184	return;
7185	}
7186
7187	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
7188
7189	if ((sdp_str = switch_channel_get_variable(session->channel, SWITCH_B_SDP_VARIABLE)switch_channel_get_variable_dup(session->channel, "switch_m_sdp" , SWITCH_TRUE, -1))) {
7190	sdp_parser_t *parser;
7191	sdp_session_t *sdp;
7192	sdp_media_t *m;
7193	sdp_connection_t *connection;
7194
7195	if ((parser = sdp_parse(NULL((void*)0), sdp_str, (int) strlen(sdp_str), 0))) {
7196	if ((sdp = sdp_session(parser))) {
7197	for (m = sdp->sdp_media; m; m = m->m_next) {
7198	if (m->m_type != sdp_media_audio \|\| !m->m_port) {
7199	continue;
7200	}
7201
7202	connection = sdp->sdp_connection;
7203	if (m->m_connections) {
7204	connection = m->m_connections;
7205	}
7206
7207	if (connection) {
7208	a_engine->proxy_sdp_ip = switch_core_session_strdup(session, connection->c_address)switch_core_perform_session_strdup(session, connection->c_address , "src/switch_core_media.c", (const char *)__func__, 7208);
7209	}
7210	a_engine->proxy_sdp_port = (switch_port_t) m->m_port;
7211	if (a_engine->proxy_sdp_ip && a_engine->proxy_sdp_port) {
7212	break;
7213	}
7214	}
7215	}
7216	sdp_parser_free(parser);
7217	}
7218	switch_core_media_set_local_sdp(session, sdp_str, SWITCH_TRUE);
7219	}
7220	}
7221
7222
7223	//?
7224	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_set_udptl_image_sdp(switch_core_session_t session, switch_t38_options_t t38_options, int insist)
7225	{
7226	char buf[2048] = "";
7227	char max_buf[128] = "";
7228	char max_data[128] = "";
7229	const char *ip;
7230	uint32_t port;
7231	const char *family = "IP4";
7232	const char *username;
7233	const char *bit_removal_on = "a=T38FaxFillBitRemoval\n";
7234	const char *bit_removal_off = "";
7235
7236	const char *mmr_on = "a=T38FaxTranscodingMMR\n";
7237	const char *mmr_off = "";
7238
7239	const char *jbig_on = "a=T38FaxTranscodingJBIG\n";
7240	const char *jbig_off = "";
7241	const char *var;
7242	int broken_boolean;
7243	switch_media_handle_t *smh;
7244	switch_rtp_engine_t *a_engine;
7245
7246	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 7246, __PRETTY_FUNCTION__));
7247
7248	if (!(smh = session->media_handle)) {
7249	return;
7250	}
7251
7252	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
7253
7254
7255	switch_assert(t38_options)((t38_options) ? (void) (0) : __assert_fail ("t38_options", "src/switch_core_media.c" , 7255, __PRETTY_FUNCTION__));
7256
7257	ip = t38_options->local_ip;
7258	port = t38_options->local_port;
7259	username = smh->mparams->sdp_username;
7260
7261	var = switch_channel_get_variable(session->channel, "t38_broken_boolean")switch_channel_get_variable_dup(session->channel, "t38_broken_boolean" , SWITCH_TRUE, -1);
7262
7263	broken_boolean = switch_true(var);
7264
7265
7266	if (!ip) {
7267	if (!(ip = a_engine->adv_sdp_ip)) {
7268	ip = a_engine->proxy_sdp_ip;
7269	}
7270	}
7271
7272	if (!ip) {
7273	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 7273, ((void)0), SWITCH_LOG_CRIT, "%s NO IP!\n", switch_channel_get_name(session->channel));
7274	return;
7275	}
7276
7277	if (!port) {
7278	if (!(port = a_engine->adv_sdp_port)) {
7279	port = a_engine->proxy_sdp_port;
7280	}
7281	}
7282
7283	if (!port) {
7284	switch_log_printf(SWITCH_CHANNEL_LOGSWITCH_CHANNEL_ID_LOG, "src/switch_core_media.c", (const char )__func__, 7284, ((void)0), SWITCH_LOG_CRIT, "%s NO PORT!\n", switch_channel_get_name(session->channel));
7285	return;
7286	}
7287
7288	if (!smh->owner_id) {
7289	smh->owner_id = (uint32_t) switch_epoch_time_now(NULL((void*)0)) - port;
7290	}
7291
7292	if (!smh->session_id) {
7293	smh->session_id = smh->owner_id;
7294	}
7295
7296	smh->session_id++;
7297
7298	family = strchr(ip, ':')(__extension__ (__builtin_constant_p (':') && !__builtin_constant_p (ip) && (':') == '\0' ? (char *) __rawmemchr (ip, ':' ) : __builtin_strchr (ip, ':'))) ? "IP6" : "IP4";
7299
7300
7301	switch_snprintf(buf, sizeof(buf),
7302	"v=0\n"
7303	"o=%s %010u %010u IN %s %s\n"
7304	"s=%s\n" "c=IN %s %s\n" "t=0 0\n", username, smh->owner_id, smh->session_id, family, ip, username, family, ip);
7305
7306	if (t38_options->T38FaxMaxBuffer) {
7307	switch_snprintf(max_buf, sizeof(max_buf), "a=T38FaxMaxBuffer:%d\n", t38_options->T38FaxMaxBuffer);
7308	};
7309
7310	if (t38_options->T38FaxMaxDatagram) {
7311	switch_snprintf(max_data, sizeof(max_data), "a=T38FaxMaxDatagram:%d\n", t38_options->T38FaxMaxDatagram);
7312	};
7313
7314
7315
7316
7317	if (broken_boolean) {
7318	bit_removal_on = "a=T38FaxFillBitRemoval:1\n";
7319	bit_removal_off = "a=T38FaxFillBitRemoval:0\n";
7320
7321	mmr_on = "a=T38FaxTranscodingMMR:1\n";
7322	mmr_off = "a=T38FaxTranscodingMMR:0\n";
7323
7324	jbig_on = "a=T38FaxTranscodingJBIG:1\n";
7325	jbig_off = "a=T38FaxTranscodingJBIG:0\n";
7326
7327	}
7328
7329
7330	switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
7331	"m=image %d udptl t38\n"
7332	"a=T38FaxVersion:%d\n"
7333	"a=T38MaxBitRate:%d\n"
7334	"%s"
7335	"%s"
7336	"%s"
7337	"a=T38FaxRateManagement:%s\n"
7338	"%s"
7339	"%s"
7340	"a=T38FaxUdpEC:%s\n",
7341	//"a=T38VendorInfo:%s\n",
7342	port,
7343	t38_options->T38FaxVersion,
7344	t38_options->T38MaxBitRate,
7345	t38_options->T38FaxFillBitRemoval ? bit_removal_on : bit_removal_off,
7346	t38_options->T38FaxTranscodingMMR ? mmr_on : mmr_off,
7347	t38_options->T38FaxTranscodingJBIG ? jbig_on : jbig_off,
7348	t38_options->T38FaxRateManagement,
7349	max_buf,
7350	max_data,
7351	t38_options->T38FaxUdpEC
7352	//t38_options->T38VendorInfo ? t38_options->T38VendorInfo : "0 0 0"
7353	);
7354
7355
7356
7357	if (insist) {
7358	switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "m=audio 0 RTP/AVP 19\n");
7359	}
7360
7361	switch_core_media_set_local_sdp(session, buf, SWITCH_TRUE);
7362
7363
7364	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7364, (const char)(session), SWITCH_LOG_DEBUG, "%s image media sdp:\n%s\n",
7365	switch_channel_get_name(session->channel), smh->mparams->local_sdp_str);
7366
7367
7368	}
7369
7370
7371
7372	//?
7373	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_patch_sdp(switch_core_session_t *session)
7374	{
7375	switch_size_t len;
7376	char p, q, pe, qe;
7377	int has_video = 0, has_audio = 0, has_ip = 0;
7378	char port_buf[25] = "";
7379	char vport_buf[25] = "";
7380	char *new_sdp;
7381	int bad = 0;
7382	switch_media_handle_t *smh;
7383	switch_rtp_engine_t a_engine, v_engine;
7384	payload_map_t *pmap;
7385
7386	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 7386, __PRETTY_FUNCTION__));
7387
7388	if (!(smh = session->media_handle)) {
7389	return;
7390	}
7391
7392	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
7393	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
7394
7395	if (zstr(smh->mparams->local_sdp_str)_zstr(smh->mparams->local_sdp_str)) {
7396	return;
7397	}
7398
7399	len = strlen(smh->mparams->local_sdp_str) * 2;
7400
7401	if (!(smh->mparams->ndlb & SM_NDLB_NEVER_PATCH_REINVITE)) {
7402	if (switch_channel_test_flag(session->channel, CF_ANSWERED) &&
7403	(switch_stristr("sendonly", smh->mparams->local_sdp_str) \|\| switch_stristr("0.0.0.0", smh->mparams->local_sdp_str))) {
7404	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7404, (const char)(session), SWITCH_LOG_DEBUG, "Skip patch on hold SDP\n");
7405	return;
7406	}
7407	}
7408
7409	if (zstr(a_engine->local_sdp_ip)_zstr(a_engine->local_sdp_ip) \|\| !a_engine->local_sdp_port) {// \|\| switch_channel_test_flag(session->channel, CF_PROXY_MEDIA)) {
7410	if (switch_core_media_choose_port(session, SWITCH_MEDIA_TYPE_AUDIO, 1) != SWITCH_STATUS_SUCCESS) {
7411	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7411, (const char)(session), SWITCH_LOG_ERROR, "%s I/O Error\n",
7412	switch_channel_get_name(session->channel));
7413	return;
7414	}
7415
7416	clear_pmaps(a_engine);
7417
7418	pmap = switch_core_media_add_payload_map(session,
7419	SWITCH_MEDIA_TYPE_AUDIO,
7420	"PROXY",
7421	NULL((void*)0),
7422	SDP_TYPE_RESPONSE,
7423	0,
7424	8000,
7425	8000,
7426	1,
7427	SWITCH_TRUE);
7428
7429	a_engine->cur_payload_map = pmap;
7430
7431	}
7432
7433	new_sdp = switch_core_session_alloc(session, len)switch_core_perform_session_alloc(session, len, "src/switch_core_media.c" , (const char *)__func__, 7433);
7434	switch_snprintf(port_buf, sizeof(port_buf), "%u", a_engine->local_sdp_port);
7435
7436
7437	p = smh->mparams->local_sdp_str;
7438	q = new_sdp;
7439	pe = p + strlen(p);
7440	qe = q + len - 1;
7441
7442
7443	while (p && *p) {
7444	if (p >= pe) {
7445	bad = 1;
7446	goto end;
7447	}
7448
7449	if (q >= qe) {
7450	bad = 2;
7451	goto end;
7452	}
7453
7454	if (a_engine->local_sdp_ip && !strncmp("c=IN IP", p, 7)(__extension__ (__builtin_constant_p (7) && ((__builtin_constant_p ("c=IN IP") && strlen ("c=IN IP") < ((size_t) (7) )) \|\| (__builtin_constant_p (p) && strlen (p) < (( size_t) (7)))) ? __extension__ ({ size_t __s1_len, __s2_len; ( __builtin_constant_p ("c=IN IP") && __builtin_constant_p (p) && (__s1_len = __builtin_strlen ("c=IN IP"), __s2_len = __builtin_strlen (p), (!((size_t)(const void )(("c=IN IP" ) + 1) - (size_t)(const void )("c=IN IP") == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((p) + 1) - (size_t)( const void )(p) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp ("c=IN IP", p) : (__builtin_constant_p ("c=IN IP") && ((size_t)(const void )(("c=IN IP") + 1) - (size_t)(const void )("c=IN IP") == 1) && (__s1_len = __builtin_strlen ( "c=IN IP"), __s1_len < 4) ? (__builtin_constant_p (p) && ((size_t)(const void )((p) + 1) - (size_t)(const void )(p) == 1) ? __builtin_strcmp ("c=IN IP", p) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (p); int __result = (((const unsigned char ) (const char ) ("c=IN IP"))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ( "c=IN IP"))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ( "c=IN IP"))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) ("c=IN IP" ))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ( p) && ((size_t)(const void )((p) + 1) - (size_t)(const void )(p) == 1) && (__s2_len = __builtin_strlen (p) , __s2_len < 4) ? (__builtin_constant_p ("c=IN IP") && ((size_t)(const void )(("c=IN IP") + 1) - (size_t)(const void )("c=IN IP") == 1) ? __builtin_strcmp ("c=IN IP", p) : (- ( __extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) ("c=IN IP"); int __result = (((const unsigned char ) (const char ) (p))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (p))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (p))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (p ))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp ("c=IN IP" , p)))); }) : strncmp ("c=IN IP", p, 7)))) {
7455	strncpy(q, p, 7)__builtin_strncpy (q, p, 7);
7456	p += 7;
7457	q += 7;
7458	strncpy(q, strchr(a_engine->adv_sdp_ip, ':') ? "6 " : "4 ", 2)__builtin_strncpy (q, (__extension__ (__builtin_constant_p (':' ) && !__builtin_constant_p (a_engine->adv_sdp_ip) && (':') == '\0' ? (char *) __rawmemchr (a_engine->adv_sdp_ip , ':') : __builtin_strchr (a_engine->adv_sdp_ip, ':'))) ? "6 " : "4 ", 2);
7459	p +=2;
7460	q +=2;
7461	strncpy(q, a_engine->adv_sdp_ip, strlen(a_engine->adv_sdp_ip))__builtin_strncpy (q, a_engine->adv_sdp_ip, strlen(a_engine ->adv_sdp_ip));
7462	q += strlen(a_engine->adv_sdp_ip);
7463
7464	while (p && p && ((p >= '0' && p <= '9') \|\| p == '.' \|\| p == ':' \|\| (p >= 'A' && p <= 'F') \|\| (p >= 'a' && *p <= 'f'))) {
7465	if (p >= pe) {
7466	bad = 3;
7467	goto end;
7468	}
7469	p++;
7470	}
7471
7472	has_ip++;
7473
7474	} else if (!strncmp("o=", p, 2)(__extension__ (__builtin_constant_p (2) && ((__builtin_constant_p ("o=") && strlen ("o=") < ((size_t) (2))) \|\| (__builtin_constant_p (p) && strlen (p) < ((size_t) (2)))) ? __extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p ("o=") && __builtin_constant_p (p) && (__s1_len = __builtin_strlen ("o="), __s2_len = __builtin_strlen (p), (!((size_t)(const void )(("o=") + 1) - (size_t)(const void )("o=") == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((p) + 1) - (size_t )(const void )(p) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp ("o=", p) : (__builtin_constant_p ("o=") && ((size_t )(const void )(("o=") + 1) - (size_t)(const void )("o=") == 1) && (__s1_len = __builtin_strlen ("o="), __s1_len < 4) ? (__builtin_constant_p (p) && ((size_t)(const void )((p) + 1) - (size_t)(const void )(p) == 1) ? __builtin_strcmp ("o=", p) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (p); int __result = (((const unsigned char ) (const char ) ("o="))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ("o="))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ("o="))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) ("o="))[3] - __s2[3]); } } __result; }))) : ( __builtin_constant_p (p) && ((size_t)(const void )(( p) + 1) - (size_t)(const void )(p) == 1) && (__s2_len = __builtin_strlen (p), __s2_len < 4) ? (__builtin_constant_p ("o=") && ((size_t)(const void )(("o=") + 1) - (size_t )(const void )("o=") == 1) ? __builtin_strcmp ("o=", p) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) ("o="); int __result = (((const unsigned char ) (const char ) (p))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (p))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (p))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (p ))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp ("o=" , p)))); }) : strncmp ("o=", p, 2)))) {
7475	char oe = strchr(p, '\n')(__extension__ (__builtin_constant_p ('\n') && !__builtin_constant_p (p) && ('\n') == '\0' ? (char ) __rawmemchr (p, '\n' ) : __builtin_strchr (p, '\n')));
7476	switch_size_t len;
7477
7478	if (oe) {
7479	const char *family = "IP4";
7480	char o_line[1024] = "";
7481
7482	if (oe >= pe) {
7483	bad = 5;
7484	goto end;
7485	}
7486
7487	len = (oe - p);
7488	p += len;
7489
7490
7491	family = strchr(smh->mparams->sipip, ':')(__extension__ (__builtin_constant_p (':') && !__builtin_constant_p (smh->mparams->sipip) && (':') == '\0' ? (char *) __rawmemchr (smh->mparams->sipip, ':') : __builtin_strchr (smh->mparams->sipip, ':'))) ? "IP6" : "IP4";
7492
7493	if (!smh->owner_id) {
7494	smh->owner_id = (uint32_t) switch_epoch_time_now(NULL((void)0)) 31821U + 13849U;
7495	}
7496
7497	if (!smh->session_id) {
7498	smh->session_id = smh->owner_id;
7499	}
7500
7501	smh->session_id++;
7502
7503
7504	snprintf(o_line, sizeof(o_line), "o=%s %010u %010u IN %s %s\n",
7505	smh->mparams->sdp_username, smh->owner_id, smh->session_id, family, smh->mparams->sipip);
7506
7507	strncpy(q, o_line, strlen(o_line))__builtin_strncpy (q, o_line, strlen(o_line));
7508	q += strlen(o_line) - 1;
7509
7510	}
7511
7512	} else if (!strncmp("s=", p, 2)(__extension__ (__builtin_constant_p (2) && ((__builtin_constant_p ("s=") && strlen ("s=") < ((size_t) (2))) \|\| (__builtin_constant_p (p) && strlen (p) < ((size_t) (2)))) ? __extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p ("s=") && __builtin_constant_p (p) && (__s1_len = __builtin_strlen ("s="), __s2_len = __builtin_strlen (p), (!((size_t)(const void )(("s=") + 1) - (size_t)(const void )("s=") == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((p) + 1) - (size_t )(const void )(p) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp ("s=", p) : (__builtin_constant_p ("s=") && ((size_t )(const void )(("s=") + 1) - (size_t)(const void )("s=") == 1) && (__s1_len = __builtin_strlen ("s="), __s1_len < 4) ? (__builtin_constant_p (p) && ((size_t)(const void )((p) + 1) - (size_t)(const void )(p) == 1) ? __builtin_strcmp ("s=", p) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (p); int __result = (((const unsigned char ) (const char ) ("s="))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ("s="))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ("s="))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) ("s="))[3] - __s2[3]); } } __result; }))) : ( __builtin_constant_p (p) && ((size_t)(const void )(( p) + 1) - (size_t)(const void )(p) == 1) && (__s2_len = __builtin_strlen (p), __s2_len < 4) ? (__builtin_constant_p ("s=") && ((size_t)(const void )(("s=") + 1) - (size_t )(const void )("s=") == 1) ? __builtin_strcmp ("s=", p) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) ("s="); int __result = (((const unsigned char ) (const char ) (p))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (p))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (p))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (p ))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp ("s=" , p)))); }) : strncmp ("s=", p, 2)))) {
7513	char se = strchr(p, '\n')(__extension__ (__builtin_constant_p ('\n') && !__builtin_constant_p (p) && ('\n') == '\0' ? (char ) __rawmemchr (p, '\n' ) : __builtin_strchr (p, '\n')));
7514	switch_size_t len;
7515
7516	if (se) {
7517	char s_line[1024] = "";
7518
7519	if (se >= pe) {
7520	bad = 5;
7521	goto end;
7522	}
7523
7524	len = (se - p);
7525	p += len;
7526
7527	snprintf(s_line, sizeof(s_line), "s=%s\n", smh->mparams->sdp_username);
7528
7529	strncpy(q, s_line, strlen(s_line))__builtin_strncpy (q, s_line, strlen(s_line));
7530	q += strlen(s_line) - 1;
7531
7532	}
7533
7534	} else if ((!strncmp("m=audio ", p, 8)(__extension__ (__builtin_constant_p (8) && ((__builtin_constant_p ("m=audio ") && strlen ("m=audio ") < ((size_t) ( 8))) \|\| (__builtin_constant_p (p) && strlen (p) < ( (size_t) (8)))) ? __extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p ("m=audio ") && __builtin_constant_p (p) && (__s1_len = __builtin_strlen ("m=audio "), __s2_len = __builtin_strlen (p), (!((size_t)(const void )(("m=audio " ) + 1) - (size_t)(const void )("m=audio ") == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((p) + 1) - (size_t )(const void )(p) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp ("m=audio ", p) : (__builtin_constant_p ("m=audio ") && ((size_t)(const void )(("m=audio ") + 1) - (size_t)(const void )("m=audio ") == 1) && (__s1_len = __builtin_strlen ("m=audio "), __s1_len < 4) ? (__builtin_constant_p (p) && ((size_t)(const void )((p) + 1) - (size_t)(const void )(p) == 1) ? __builtin_strcmp ("m=audio ", p) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (p); int __result = (((const unsigned char ) (const char ) ("m=audio "))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ("m=audio "))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ("m=audio "))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) ("m=audio "))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (p) && ((size_t)(const void )((p) + 1) - (size_t)(const void )(p) == 1) && (__s2_len = __builtin_strlen (p) , __s2_len < 4) ? (__builtin_constant_p ("m=audio ") && ((size_t)(const void )(("m=audio ") + 1) - (size_t)(const void )("m=audio ") == 1) ? __builtin_strcmp ("m=audio ", p) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) ("m=audio "); int __result = (((const unsigned char ) (const char ) (p))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (p))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (p))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (p))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp ("m=audio ", p)))); }) : strncmp ("m=audio ", p, 8))) && (p + 8) != '0') \|\| (!strncmp("m=image ", p, 8)(__extension__ (__builtin_constant_p (8) && ((__builtin_constant_p ("m=image ") && strlen ("m=image ") < ((size_t) ( 8))) \|\| (__builtin_constant_p (p) && strlen (p) < ( (size_t) (8)))) ? __extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p ("m=image ") && __builtin_constant_p (p) && (__s1_len = __builtin_strlen ("m=image "), __s2_len = __builtin_strlen (p), (!((size_t)(const void )(("m=image " ) + 1) - (size_t)(const void )("m=image ") == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((p) + 1) - (size_t )(const void )(p) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp ("m=image ", p) : (__builtin_constant_p ("m=image ") && ((size_t)(const void )(("m=image ") + 1) - (size_t)(const void )("m=image ") == 1) && (__s1_len = __builtin_strlen ("m=image "), __s1_len < 4) ? (__builtin_constant_p (p) && ((size_t)(const void )((p) + 1) - (size_t)(const void )(p) == 1) ? __builtin_strcmp ("m=image ", p) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (p); int __result = (((const unsigned char ) (const char ) ("m=image "))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ("m=image "))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ("m=image "))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) ("m=image "))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (p) && ((size_t)(const void )((p) + 1) - (size_t)(const void )(p) == 1) && (__s2_len = __builtin_strlen (p) , __s2_len < 4) ? (__builtin_constant_p ("m=image ") && ((size_t)(const void )(("m=image ") + 1) - (size_t)(const void )("m=image ") == 1) ? __builtin_strcmp ("m=image ", p) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) ("m=image "); int __result = (((const unsigned char ) (const char ) (p))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (p))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (p))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (p))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp ("m=image ", p)))); }) : strncmp ("m=image ", p, 8))) && (p + 8) != '0')) {
7535	strncpy(q, p, 8)__builtin_strncpy (q, p, 8);
7536	p += 8;
7537
7538	if (p >= pe) {
7539	bad = 4;
7540	goto end;
7541	}
7542
7543
7544	q += 8;
7545
7546	if (q >= qe) {
7547	bad = 5;
7548	goto end;
7549	}
7550
7551
7552	strncpy(q, port_buf, strlen(port_buf))__builtin_strncpy (q, port_buf, strlen(port_buf));
7553	q += strlen(port_buf);
7554
7555	if (q >= qe) {
7556	bad = 6;
7557	goto end;
7558	}
7559
7560	while (p && p && (p >= '0' && *p <= '9')) {
7561	if (p >= pe) {
7562	bad = 7;
7563	goto end;
7564	}
7565	p++;
7566	}
7567
7568	has_audio++;
7569
7570	} else if (!strncmp("m=video ", p, 8)(__extension__ (__builtin_constant_p (8) && ((__builtin_constant_p ("m=video ") && strlen ("m=video ") < ((size_t) ( 8))) \|\| (__builtin_constant_p (p) && strlen (p) < ( (size_t) (8)))) ? __extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p ("m=video ") && __builtin_constant_p (p) && (__s1_len = __builtin_strlen ("m=video "), __s2_len = __builtin_strlen (p), (!((size_t)(const void )(("m=video " ) + 1) - (size_t)(const void )("m=video ") == 1) \|\| __s1_len >= 4) && (!((size_t)(const void )((p) + 1) - (size_t )(const void )(p) == 1) \|\| __s2_len >= 4)) ? __builtin_strcmp ("m=video ", p) : (__builtin_constant_p ("m=video ") && ((size_t)(const void )(("m=video ") + 1) - (size_t)(const void )("m=video ") == 1) && (__s1_len = __builtin_strlen ("m=video "), __s1_len < 4) ? (__builtin_constant_p (p) && ((size_t)(const void )((p) + 1) - (size_t)(const void )(p) == 1) ? __builtin_strcmp ("m=video ", p) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (p); int __result = (((const unsigned char ) (const char ) ("m=video "))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) ("m=video "))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) ("m=video "))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) ("m=video "))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (p) && ((size_t)(const void )((p) + 1) - (size_t)(const void )(p) == 1) && (__s2_len = __builtin_strlen (p) , __s2_len < 4) ? (__builtin_constant_p ("m=video ") && ((size_t)(const void )(("m=video ") + 1) - (size_t)(const void )("m=video ") == 1) ? __builtin_strcmp ("m=video ", p) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) ("m=video "); int __result = (((const unsigned char ) (const char ) (p))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (p))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (p))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (p))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp ("m=video ", p)))); }) : strncmp ("m=video ", p, 8))) && *(p + 8) != '0') {
7571	if (!has_video) {
7572	switch_core_media_choose_port(session, SWITCH_MEDIA_TYPE_VIDEO, 1);
7573	clear_pmaps(v_engine);
7574	pmap = switch_core_media_add_payload_map(session,
7575	SWITCH_MEDIA_TYPE_AUDIO,
7576	"PROXY-VID",
7577	NULL((void*)0),
7578	SDP_TYPE_RESPONSE,
7579	0,
7580	90000,
7581	90000,
7582	1,
7583	SWITCH_TRUE);
7584	v_engine->cur_payload_map = pmap;
7585
7586	switch_snprintf(vport_buf, sizeof(vport_buf), "%u", v_engine->adv_sdp_port);
7587	if (switch_channel_media_ready(session->channel)switch_channel_test_ready(session->channel, SWITCH_TRUE, SWITCH_TRUE ) && !switch_rtp_ready(v_engine->rtp_session)) {
7588	switch_channel_set_flag(session->channel, CF_VIDEO_POSSIBLE)switch_channel_set_flag_value(session->channel, CF_VIDEO_POSSIBLE , 1);
7589	switch_channel_set_flag(session->channel, CF_REINVITE)switch_channel_set_flag_value(session->channel, CF_REINVITE , 1);
7590	switch_core_media_activate_rtp(session);
7591	}
7592	}
7593
7594	strncpy(q, p, 8)__builtin_strncpy (q, p, 8);
7595	p += 8;
7596
7597	if (p >= pe) {
7598	bad = 8;
7599	goto end;
7600	}
7601
7602	q += 8;
7603
7604	if (q >= qe) {
7605	bad = 9;
7606	goto end;
7607	}
7608
7609	strncpy(q, vport_buf, strlen(vport_buf))__builtin_strncpy (q, vport_buf, strlen(vport_buf));
7610	q += strlen(vport_buf);
7611
7612	if (q >= qe) {
7613	bad = 10;
7614	goto end;
7615	}
7616
7617	while (p && p && (p >= '0' && *p <= '9')) {
7618
7619	if (p >= pe) {
7620	bad = 11;
7621	goto end;
7622	}
7623
7624	p++;
7625	}
7626
7627	has_video++;
7628	}
7629
7630	while (p && p && p != '\n') {
7631
7632	if (p >= pe) {
7633	bad = 12;
7634	goto end;
7635	}
7636
7637	if (q >= qe) {
7638	bad = 13;
7639	goto end;
7640	}
7641
7642	q++ = p++;
7643	}
7644
7645	if (p >= pe) {
7646	bad = 14;
7647	goto end;
7648	}
7649
7650	if (q >= qe) {
7651	bad = 15;
7652	goto end;
7653	}
7654
7655	q++ = p++;
7656
7657	}
7658
7659	end:
7660
7661	if (bad) {
7662	return;
7663	}
7664
7665
7666	if (switch_channel_down(session->channel)(switch_channel_check_signal(session->channel, SWITCH_TRUE ) \|\| switch_channel_get_state(session->channel) >= CS_HANGUP )) {
7667	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7667, (const char)(session), SWITCH_LOG_DEBUG, "%s too late.\n", switch_channel_get_name(session->channel));
7668	return;
7669	}
7670
7671
7672	if (!has_ip && !has_audio) {
7673	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7673, (const char)(session), SWITCH_LOG_DEBUG, "%s SDP has no audio in it.\n%s\n",
7674	switch_channel_get_name(session->channel), smh->mparams->local_sdp_str);
7675	return;
7676	}
7677
7678
7679	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7679, (const char)(session), SWITCH_LOG_DEBUG, "%s Patched SDP\n---\n%s\n+++\n%s\n",
7680	switch_channel_get_name(session->channel), smh->mparams->local_sdp_str, new_sdp);
7681
7682	switch_core_media_set_local_sdp(session, new_sdp, SWITCH_FALSE);
7683
7684	}
7685
7686	//?
7687	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_start_udptl(switch_core_session_t session, switch_t38_options_t t38_options)
7688	{
7689	switch_media_handle_t *smh;
7690	switch_rtp_engine_t *a_engine;
7691
7692	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 7692, __PRETTY_FUNCTION__));
7693
7694	if (!(smh = session->media_handle)) {
7695	return;
7696	}
7697
7698	if (switch_channel_down(session->channel)(switch_channel_check_signal(session->channel, SWITCH_TRUE ) \|\| switch_channel_get_state(session->channel) >= CS_HANGUP )) {
7699	return;
7700	}
7701
7702	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
7703
7704
7705	if (switch_rtp_ready(a_engine->rtp_session)) {
7706	char *remote_host = switch_rtp_get_remote_host(a_engine->rtp_session);
7707	switch_port_t remote_port = switch_rtp_get_remote_port(a_engine->rtp_session);
7708	const char err, val;
7709
7710	switch_channel_clear_flag(session->channel, CF_NOTIMER_DURING_BRIDGE);
7711	switch_rtp_udptl_mode(a_engine->rtp_session);
7712
7713	if (!t38_options \|\| !t38_options->remote_ip) {
7714	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7714, (const char)(session), SWITCH_LOG_DEBUG, "No remote address\n");
7715	return;
7716	}
7717
7718	if (remote_host && remote_port && remote_port == t38_options->remote_port && !strcmp(remote_host, t38_options->remote_ip)__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (remote_host) && __builtin_constant_p (t38_options-> remote_ip) && (__s1_len = __builtin_strlen (remote_host ), __s2_len = __builtin_strlen (t38_options->remote_ip), ( !((size_t)(const void )((remote_host) + 1) - (size_t)(const void )(remote_host) == 1) \|\| __s1_len >= 4) && (!((size_t )(const void )((t38_options->remote_ip) + 1) - (size_t)(const void )(t38_options->remote_ip) == 1) \|\| __s2_len >= 4 )) ? __builtin_strcmp (remote_host, t38_options->remote_ip ) : (__builtin_constant_p (remote_host) && ((size_t)( const void )((remote_host) + 1) - (size_t)(const void )(remote_host ) == 1) && (__s1_len = __builtin_strlen (remote_host) , __s1_len < 4) ? (__builtin_constant_p (t38_options->remote_ip ) && ((size_t)(const void )((t38_options->remote_ip ) + 1) - (size_t)(const void )(t38_options->remote_ip) == 1) ? __builtin_strcmp (remote_host, t38_options->remote_ip ) : (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (t38_options->remote_ip); int __result = (((const unsigned char ) (const char ) (remote_host))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (remote_host))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (remote_host))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (remote_host))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (t38_options ->remote_ip) && ((size_t)(const void )((t38_options ->remote_ip) + 1) - (size_t)(const void )(t38_options-> remote_ip) == 1) && (__s2_len = __builtin_strlen (t38_options ->remote_ip), __s2_len < 4) ? (__builtin_constant_p (remote_host ) && ((size_t)(const void )((remote_host) + 1) - (size_t )(const void )(remote_host) == 1) ? __builtin_strcmp (remote_host , t38_options->remote_ip) : (- (__extension__ ({ const unsigned char __s2 = (const unsigned char ) (const char ) (remote_host ); int __result = (((const unsigned char ) (const char ) (t38_options ->remote_ip))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char ) (const char ) (t38_options->remote_ip))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) { __result = (((const unsigned char ) (const char ) (t38_options->remote_ip))[2] - __s2 [2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char ) (const char ) (t38_options->remote_ip ))[3] - __s2[3]); } } __result; })))) : __builtin_strcmp (remote_host , t38_options->remote_ip)))); })) {
7719	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7719, (const char)(session), SWITCH_LOG_DEBUG, "Remote address:port [%s:%d] has not changed.\n",
7720	t38_options->remote_ip, t38_options->remote_port);
7721	return;
7722	}
7723
7724	if (switch_rtp_set_remote_address(a_engine->rtp_session, t38_options->remote_ip,
7725	t38_options->remote_port, 0, SWITCH_TRUE, &err) != SWITCH_STATUS_SUCCESS) {
7726	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7726, (const char)(session), SWITCH_LOG_ERROR, "IMAGE UDPTL REPORTS ERROR: [%s]\n", err);
7727	} else {
7728	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7728, (const char)(session), SWITCH_LOG_DEBUG, "IMAGE UDPTL CHANGING DEST TO: [%s:%d]\n",
7729	t38_options->remote_ip, t38_options->remote_port);
7730	if (!switch_media_handle_test_media_flag(smh, SCMF_DISABLE_RTP_AUTOADJ) && !switch_channel_test_flag(session->channel, CF_WEBRTC) &&
7731	!((val = switch_channel_get_variable(session->channel, "disable_udptl_auto_adjust")switch_channel_get_variable_dup(session->channel, "disable_udptl_auto_adjust" , SWITCH_TRUE, -1)) && switch_true(val))) {
7732	/* Reactivate the NAT buster flag. */
7733	switch_rtp_set_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_AUTOADJ);
7734	}
7735	}
7736	}
7737	}
7738
7739	//?
7740	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_hard_mute(switch_core_session_t *session, switch_bool_t on)
7741	{
7742	switch_core_session_message_t msg = { 0 };
7743
7744	msg.from = __FILE__"src/switch_core_media.c";
7745
7746	msg.message_id = SWITCH_MESSAGE_INDICATE_HARD_MUTE;
7747	msg.numeric_arg = on;
7748	switch_core_session_receive_message(session, &msg)switch_core_session_perform_receive_message(session, &msg , "src/switch_core_media.c", (const char *)__func__, 7748);
7749	}
7750
7751
7752	//?
7753	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_receive_message(switch_core_session_t session, switch_core_session_message_t msg)
7754	{
7755	switch_media_handle_t *smh;
7756	switch_rtp_engine_t a_engine, v_engine;
7757	switch_status_t status = SWITCH_STATUS_SUCCESS;
7758
7759	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 7759, __PRETTY_FUNCTION__));
7760
7761	if (!(smh = session->media_handle)) {
7762	return SWITCH_STATUS_FALSE;
7763	}
7764
7765	if (switch_channel_down(session->channel)(switch_channel_check_signal(session->channel, SWITCH_TRUE ) \|\| switch_channel_get_state(session->channel) >= CS_HANGUP )) {
7766	return SWITCH_STATUS_FALSE;
7767	}
7768
7769	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
7770	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
7771
7772	switch (msg->message_id) {
7773
7774	case SWITCH_MESSAGE_RESAMPLE_EVENT:
7775	{
7776	if (switch_channel_test_flag(session->channel, CF_CONFERENCE)) {
7777	switch_channel_set_flag(session->channel, CF_CONFERENCE_RESET_MEDIA)switch_channel_set_flag_value(session->channel, CF_CONFERENCE_RESET_MEDIA , 1);
7778	}
7779	}
7780	break;
7781
7782	case SWITCH_MESSAGE_INDICATE_VIDEO_REFRESH_REQ:
7783	{
7784	if (v_engine->rtp_session) {
7785	switch_rtp_video_refresh(v_engine->rtp_session);
7786	}
7787	}
7788
7789	break;
7790
7791	case SWITCH_MESSAGE_INDICATE_PROXY_MEDIA:
7792	{
7793	if (switch_rtp_ready(a_engine->rtp_session)) {
7794	if (msg->numeric_arg) {
7795	switch_rtp_set_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_PROXY_MEDIA);
7796	} else {
7797	switch_rtp_clear_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_PROXY_MEDIA);
7798	}
7799	}
7800	}
7801	break;
7802
7803	case SWITCH_MESSAGE_INDICATE_JITTER_BUFFER:
7804	{
7805	if (switch_rtp_ready(a_engine->rtp_session)) {
7806	check_jb(session, msg->string_arg);
7807	}
7808	}
7809	break;
7810
7811	case SWITCH_MESSAGE_INDICATE_HARD_MUTE:
7812	{
7813	if (session->bugs) {
7814	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7814, (const char)(session), SWITCH_LOG_WARNING,
7815	"%s has a media bug, hard mute not allowed.\n", switch_channel_get_name(session->channel));
7816	} else if (a_engine->rtp_session) {
7817	if (msg->numeric_arg) {
7818	switch_rtp_set_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_MUTE);
7819	} else {
7820	switch_rtp_clear_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_MUTE);
7821	}
7822
7823	rtp_flush_read_buffer(a_engine->rtp_session, SWITCH_RTP_FLUSH_ONCE);
7824	}
7825	}
7826
7827	break;
7828
7829	case SWITCH_MESSAGE_INDICATE_DEBUG_MEDIA:
7830	{
7831	switch_rtp_t *rtp = a_engine->rtp_session;
7832	const char *direction = msg->string_array_arg[0];
7833
7834	if (direction && *direction == 'v') {
7835	direction++;
7836	rtp = v_engine->rtp_session;
7837	}
7838
7839	if (switch_rtp_ready(rtp) && !zstr(direction)_zstr(direction) && !zstr(msg->string_array_arg[1])_zstr(msg->string_array_arg[1])) {
7840	switch_rtp_flag_t flags[SWITCH_RTP_FLAG_INVALID] = {0};
7841	int both = !strcasecmp(direction, "both");
7842	int set = 0;
7843
7844	if (both \|\| !strcasecmp(direction, "read")) {
7845	flags[SWITCH_RTP_FLAG_DEBUG_RTP_READ]++;
7846	set++;
7847	}
7848
7849	if (both \|\| !strcasecmp(direction, "write")) {
7850	flags[SWITCH_RTP_FLAG_DEBUG_RTP_WRITE]++;
7851	set++;
7852	}
7853
7854	if (set) {
7855	if (switch_true(msg->string_array_arg[1])) {
7856	switch_rtp_set_flags(rtp, flags);
7857	} else {
7858	switch_rtp_clear_flags(rtp, flags);
7859	}
7860	} else {
7861	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7861, (const char)(session), SWITCH_LOG_ERROR, "Invalid Options\n");
7862	}
7863	}
7864	}
7865	goto end;
7866	case SWITCH_MESSAGE_INDICATE_TRANSCODING_NECESSARY:
7867	if (a_engine->rtp_session && switch_rtp_test_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_PASS_RFC2833)) {
7868	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7868, (const char)(session), SWITCH_LOG_WARNING, "Pass 2833 mode may not work on a transcoded call.\n");
7869	}
7870	goto end;
7871
7872	case SWITCH_MESSAGE_INDICATE_BRIDGE:
7873	{
7874
7875	if (switch_rtp_ready(a_engine->rtp_session)) {
7876	const char *val;
7877	int ok = 0;
7878
7879	if (!(val = switch_channel_get_variable(session->channel, "rtp_jitter_buffer_during_bridge")switch_channel_get_variable_dup(session->channel, "rtp_jitter_buffer_during_bridge" , SWITCH_TRUE, -1)) \|\| switch_false(val)) {
7880	if (switch_channel_test_flag(session->channel, CF_JITTERBUFFER) && switch_channel_test_cap_partner(session->channel, CC_FS_RTP)) {
7881	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7881, (const char)(session), SWITCH_LOG_DEBUG,
7882	"%s PAUSE Jitterbuffer\n", switch_channel_get_name(session->channel));
7883	switch_rtp_pause_jitter_buffer(a_engine->rtp_session, SWITCH_TRUE);
7884	switch_set_flag(smh, SMF_JB_PAUSED)(smh)->flags \|= (SMF_JB_PAUSED);
7885	}
7886	}
7887
7888	if (switch_channel_test_flag(session->channel, CF_PASS_RFC2833) && switch_channel_test_flag_partner(session->channel, CF_FS_RTP)) {
7889	switch_rtp_set_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_PASS_RFC2833);
7890	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7890, (const char)(session), SWITCH_LOG_DEBUG,
7891	"%s activate passthru 2833 mode.\n", switch_channel_get_name(session->channel));
7892	}
7893
7894
7895	if ((val = switch_channel_get_variable(session->channel, "rtp_notimer_during_bridge")switch_channel_get_variable_dup(session->channel, "rtp_notimer_during_bridge" , SWITCH_TRUE, -1))) {
7896	ok = switch_true(val);
7897	} else {
7898	ok = switch_channel_test_flag(session->channel, CF_RTP_NOTIMER_DURING_BRIDGE);
7899	}
7900
7901	if (ok && !switch_rtp_test_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_USE_TIMER)) {
7902	ok = 0;
7903	}
7904
7905	if (ok) {
7906	switch_rtp_clear_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_USE_TIMER);
7907	//switch_rtp_clear_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_NOBLOCK);
7908	switch_channel_set_flag(session->channel, CF_NOTIMER_DURING_BRIDGE)switch_channel_set_flag_value(session->channel, CF_NOTIMER_DURING_BRIDGE , 1);
7909	}
7910
7911	if (ok && switch_channel_test_flag(session->channel, CF_NOTIMER_DURING_BRIDGE)) {
7912	/* these are not compat */
7913	ok = 0;
7914	} else {
7915	if ((val = switch_channel_get_variable(session->channel, "rtp_autoflush_during_bridge")switch_channel_get_variable_dup(session->channel, "rtp_autoflush_during_bridge" , SWITCH_TRUE, -1))) {
7916	ok = switch_true(val);
7917	} else {
7918	ok = smh->media_flags[SCMF_RTP_AUTOFLUSH_DURING_BRIDGE];
7919	}
7920	}
7921
7922	if (ok) {
7923	rtp_flush_read_buffer(a_engine->rtp_session, SWITCH_RTP_FLUSH_STICK);
7924	switch_channel_set_flag(session->channel, CF_AUTOFLUSH_DURING_BRIDGE)switch_channel_set_flag_value(session->channel, CF_AUTOFLUSH_DURING_BRIDGE , 1);
7925	} else {
7926	rtp_flush_read_buffer(a_engine->rtp_session, SWITCH_RTP_FLUSH_ONCE);
7927	}
7928
7929	}
7930	}
7931	goto end;
7932	case SWITCH_MESSAGE_INDICATE_UNBRIDGE:
7933	if (switch_rtp_ready(a_engine->rtp_session)) {
7934
7935	if (switch_test_flag(smh, SMF_JB_PAUSED)((smh)->flags & SMF_JB_PAUSED)) {
7936	switch_clear_flag(smh, SMF_JB_PAUSED)(smh)->flags &= ~(SMF_JB_PAUSED);
7937	if (switch_channel_test_flag(session->channel, CF_JITTERBUFFER)) {
7938	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7938, (const char)(session), SWITCH_LOG_DEBUG,
7939	"%s RESUME Jitterbuffer\n", switch_channel_get_name(session->channel));
7940	switch_rtp_pause_jitter_buffer(a_engine->rtp_session, SWITCH_FALSE);
7941	}
7942	}
7943
7944
7945	if (switch_rtp_test_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_PASS_RFC2833)) {
7946	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 7946, (const char)(session), SWITCH_LOG_DEBUG, "%s deactivate passthru 2833 mode.\n",
7947	switch_channel_get_name(session->channel));
7948	switch_rtp_clear_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_PASS_RFC2833);
7949	}
7950
7951	if (switch_channel_test_flag(session->channel, CF_NOTIMER_DURING_BRIDGE)) {
7952	if (!switch_rtp_test_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_UDPTL) &&
7953	!switch_rtp_test_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_PROXY_MEDIA)) {
7954	switch_rtp_set_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_USE_TIMER);
7955	//switch_rtp_set_flag(a_engine->rtp_session, SWITCH_RTP_FLAG_NOBLOCK);
7956	}
7957	switch_channel_clear_flag(session->channel, CF_NOTIMER_DURING_BRIDGE);
7958	}
7959
7960	if (switch_channel_test_flag(session->channel, CF_AUTOFLUSH_DURING_BRIDGE)) {
7961	rtp_flush_read_buffer(a_engine->rtp_session, SWITCH_RTP_FLUSH_UNSTICK);
7962	switch_channel_clear_flag(session->channel, CF_AUTOFLUSH_DURING_BRIDGE);
7963	} else {
7964	rtp_flush_read_buffer(a_engine->rtp_session, SWITCH_RTP_FLUSH_ONCE);
7965	}
7966
7967	}
7968	goto end;
7969	case SWITCH_MESSAGE_INDICATE_AUDIO_SYNC:
7970	if (switch_rtp_ready(a_engine->rtp_session)) {
7971	rtp_flush_read_buffer(a_engine->rtp_session, SWITCH_RTP_FLUSH_ONCE);
7972	}
7973	goto end;
7974
7975	case SWITCH_MESSAGE_INDICATE_MEDIA:
7976	{
7977
7978	a_engine->codec_negotiated = 0;
7979	v_engine->codec_negotiated = 0;
7980
7981	if (session->track_duration) {
7982	switch_core_session_enable_heartbeat(session, session->track_duration);
7983	}
7984	}
7985	break;
7986	case SWITCH_MESSAGE_INDICATE_NOMEDIA:
7987	{
7988	const char *uuid;
7989	switch_core_session_t *other_session;
7990	switch_channel_t *other_channel;
7991	const char ip = NULL((void)0), port = NULL((void)0);
7992
7993	switch_channel_set_flag(session->channel, CF_PROXY_MODE)switch_channel_set_flag_value(session->channel, CF_PROXY_MODE , 1);
7994
7995	switch_core_media_set_local_sdp(session, NULL((void*)0), SWITCH_FALSE);
7996
7997	if (switch_true(switch_channel_get_variable(session->channel, "bypass_keep_codec")switch_channel_get_variable_dup(session->channel, "bypass_keep_codec" , SWITCH_TRUE, -1))) {
7998	switch_channel_set_variable(session->channel, "absolute_codec_string", switch_channel_get_variable(session->channel, "ep_codec_string"))switch_channel_set_variable_var_check(session->channel, "absolute_codec_string" , switch_channel_get_variable_dup(session->channel, "ep_codec_string" , SWITCH_TRUE, -1), SWITCH_TRUE);
7999	}
8000
8001
8002	if ((uuid = switch_channel_get_partner_uuid(session->channel))
8003	&& (other_session = switch_core_session_locate(uuid)switch_core_session_perform_locate(uuid, "src/switch_core_media.c" , (const char *)__func__, 8003))) {
8004	other_channel = switch_core_session_get_channel(other_session);
8005	ip = switch_channel_get_variable(other_channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE)switch_channel_get_variable_dup(other_channel, "remote_media_ip" , SWITCH_TRUE, -1);
8006	port = switch_channel_get_variable(other_channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE)switch_channel_get_variable_dup(other_channel, "remote_media_port" , SWITCH_TRUE, -1);
8007	switch_core_session_rwunlock(other_session);
8008
8009	if (ip && port) {
8010	switch_core_media_prepare_codecs(session, 1);
8011	clear_pmaps(a_engine);
8012	clear_pmaps(v_engine);
8013	switch_core_media_gen_local_sdp(session, SDP_TYPE_REQUEST, ip, (switch_port_t)atoi(port), NULL((void*)0), 1);
8014	}
8015	}
8016
8017
8018	if (!smh->mparams->local_sdp_str) {
8019	switch_core_media_absorb_sdp(session);
8020	}
8021
8022	if (session->track_duration) {
8023	switch_core_session_enable_heartbeat(session, session->track_duration);
8024	}
8025
8026	}
8027	break;
8028
8029
8030	default:
8031	break;
8032	}
8033
8034
8035	if (smh->mutex) switch_mutex_lock(smh->mutex);
8036
8037
8038	if (switch_channel_down(session->channel)(switch_channel_check_signal(session->channel, SWITCH_TRUE ) \|\| switch_channel_get_state(session->channel) >= CS_HANGUP )) {
8039	status = SWITCH_STATUS_FALSE;
8040	goto end_lock;
8041	}
8042
8043	switch (msg->message_id) {
8044	case SWITCH_MESSAGE_INDICATE_MEDIA_RENEG:
8045	{
8046	switch_core_session_t *nsession;
8047
8048	if (msg->string_arg) {
8049	switch_channel_set_variable(session->channel, "absolute_codec_string", NULL)switch_channel_set_variable_var_check(session->channel, "absolute_codec_string" , ((void*)0), SWITCH_TRUE);
8050	if (*msg->string_arg == '=') {
8051	switch_channel_set_variable(session->channel, "codec_string", msg->string_arg)switch_channel_set_variable_var_check(session->channel, "codec_string" , msg->string_arg, SWITCH_TRUE);
8052	} else {
8053	switch_channel_set_variable_printf(session->channel, "codec_string", "=%s%s%s,%s",
8054	v_engine->cur_payload_map->rm_encoding ? v_engine->cur_payload_map->rm_encoding : "",
8055	v_engine->cur_payload_map->rm_encoding ? "," : "",
8056	a_engine->cur_payload_map->rm_encoding, msg->string_arg);
8057	}
8058
8059
8060	a_engine->codec_negotiated = 0;
8061	v_engine->codec_negotiated = 0;
8062	smh->num_negotiated_codecs = 0;
8063	switch_channel_clear_flag(session->channel, CF_VIDEO_POSSIBLE);
8064	switch_core_media_prepare_codecs(session, SWITCH_TRUE);
8065	switch_core_media_check_video_codecs(session);
8066	switch_core_media_gen_local_sdp(session, SDP_TYPE_REQUEST, NULL((void)0), 0, NULL((void)0), 1);
8067	}
8068
8069	switch_media_handle_set_media_flag(smh, SCMF_RENEG_ON_REINVITE);
8070
8071	if (msg->numeric_arg && switch_core_session_get_partner(session, &nsession)switch_core_session_perform_get_partner(session, &nsession , "src/switch_core_media.c", (const char *)__func__, 8071) == SWITCH_STATUS_SUCCESS) {
8072	msg->numeric_arg = 0;
8073	switch_core_session_receive_message(nsession, msg)switch_core_session_perform_receive_message(nsession, msg, "src/switch_core_media.c" , (const char *)__func__, 8073);
8074	switch_core_session_rwunlock(nsession);
8075	}
8076
8077	}
8078	break;
8079
8080	case SWITCH_MESSAGE_INDICATE_AUDIO_DATA:
8081	{
8082	if (switch_rtp_ready(a_engine->rtp_session)) {
8083	if (msg->numeric_arg) {
8084	if (switch_channel_test_flag(session->channel, CF_JITTERBUFFER)) {
8085	switch_rtp_pause_jitter_buffer(a_engine->rtp_session, SWITCH_TRUE);
8086	switch_set_flag(smh, SMF_JB_PAUSED)(smh)->flags \|= (SMF_JB_PAUSED);
8087	}
8088
8089	rtp_flush_read_buffer(a_engine->rtp_session, SWITCH_RTP_FLUSH_UNSTICK);
8090
8091	} else {
8092	if (switch_test_flag(smh, SMF_JB_PAUSED)((smh)->flags & SMF_JB_PAUSED)) {
8093	switch_clear_flag(smh, SMF_JB_PAUSED)(smh)->flags &= ~(SMF_JB_PAUSED);
8094	if (switch_channel_test_flag(session->channel, CF_JITTERBUFFER)) {
8095	switch_rtp_pause_jitter_buffer(a_engine->rtp_session, SWITCH_FALSE);
8096	}
8097	}
8098	}
8099	}
8100	}
8101	break;
8102
8103	case SWITCH_MESSAGE_INDICATE_UDPTL_MODE:
8104	{
8105	switch_t38_options_t *t38_options = switch_channel_get_private(session->channel, "t38_options");
8106
8107	if (t38_options) {
8108	switch_core_media_start_udptl(session, t38_options);
8109	}
8110
8111	}
8112
8113
8114	default:
8115	break;
8116	}
8117
8118
8119	end_lock:
8120
8121	if (smh->mutex) switch_mutex_unlock(smh->mutex);
8122
8123	end:
8124
8125	if (switch_channel_down(session->channel)(switch_channel_check_signal(session->channel, SWITCH_TRUE ) \|\| switch_channel_get_state(session->channel) >= CS_HANGUP )) {
8126	status = SWITCH_STATUS_FALSE;
8127	}
8128
8129	return status;
8130
8131	}
8132
8133	//?
8134	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_break(switch_core_session_t *session, switch_media_type_t type)
8135	{
8136	switch_media_handle_t *smh;
8137
8138	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8138, __PRETTY_FUNCTION__));
8139
8140	if (!(smh = session->media_handle)) {
8141	return;
8142	}
8143
8144	if (switch_rtp_ready(smh->engines[type].rtp_session)) {
8145	switch_rtp_break(smh->engines[type].rtp_session);
8146	}
8147	}
8148
8149	//?
8150	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_kill_socket(switch_core_session_t *session, switch_media_type_t type)
8151	{
8152	switch_media_handle_t *smh;
8153
8154	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8154, __PRETTY_FUNCTION__));
8155
8156	if (!(smh = session->media_handle)) {
8157	return;
8158	}
8159
8160	if (switch_rtp_ready(smh->engines[type].rtp_session)) {
8161	switch_rtp_kill_socket(smh->engines[type].rtp_session);
8162	}
8163	}
8164
8165	//?
8166	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_queue_rfc2833(switch_core_session_t session, switch_media_type_t type, const switch_dtmf_t dtmf)
8167	{
8168	switch_media_handle_t *smh;
8169
8170	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8170, __PRETTY_FUNCTION__));
8171
8172	if (!(smh = session->media_handle)) {
8173	return SWITCH_STATUS_FALSE;
8174	}
8175
8176	if (switch_rtp_ready(smh->engines[type].rtp_session)) {
8177	return switch_rtp_queue_rfc2833(smh->engines[type].rtp_session, dtmf);
8178	}
8179
8180	return SWITCH_STATUS_FALSE;
8181	}
8182
8183	//?
8184	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_queue_rfc2833_in(switch_core_session_t session, switch_media_type_t type, const switch_dtmf_t dtmf)
8185	{
8186	switch_media_handle_t *smh;
8187
8188	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8188, __PRETTY_FUNCTION__));
8189
8190	if (!(smh = session->media_handle)) {
8191	return SWITCH_STATUS_FALSE;
8192	}
8193
8194	if (switch_rtp_ready(smh->engines[type].rtp_session)) {
8195	return switch_rtp_queue_rfc2833_in(smh->engines[type].rtp_session, dtmf);
8196	}
8197
8198	return SWITCH_STATUS_FALSE;
8199	}
8200
8201	//?
8202	SWITCH_DECLARE(uint8_t)__attribute__((visibility("default"))) uint8_t switch_core_media_ready(switch_core_session_t *session, switch_media_type_t type)
8203	{
8204	switch_media_handle_t *smh;
8205
8206	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8206, __PRETTY_FUNCTION__));
8207
8208	if (!(smh = session->media_handle)) {
8209	return 0;
8210	}
8211
8212	return switch_rtp_ready(smh->engines[type].rtp_session);
8213	}
8214
8215	//?
8216	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_set_rtp_flag(switch_core_session_t *session, switch_media_type_t type, switch_rtp_flag_t flag)
8217	{
8218	switch_media_handle_t *smh;
8219
8220	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8220, __PRETTY_FUNCTION__));
8221
8222	if (!(smh = session->media_handle)) {
8223	return;
8224	}
8225
8226	if (switch_rtp_ready(smh->engines[type].rtp_session)) {
8227	switch_rtp_set_flag(smh->engines[type].rtp_session, flag);
8228	}
8229	}
8230
8231	//?
8232	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_clear_rtp_flag(switch_core_session_t *session, switch_media_type_t type, switch_rtp_flag_t flag)
8233	{
8234	switch_media_handle_t *smh;
8235
8236	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8236, __PRETTY_FUNCTION__));
8237
8238	if (!(smh = session->media_handle)) {
8239	return;
8240	}
8241
8242	if (switch_rtp_ready(smh->engines[type].rtp_session)) {
8243	switch_rtp_clear_flag(smh->engines[type].rtp_session, flag);
8244	}
8245	}
8246
8247	//?
8248	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_set_telephony_event(switch_core_session_t *session, switch_media_type_t type, switch_payload_t te)
8249	{
8250	switch_media_handle_t *smh;
8251
8252	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8252, __PRETTY_FUNCTION__));
8253
8254	if (!(smh = session->media_handle)) {
8255	return;
8256	}
8257
8258	if (switch_rtp_ready(smh->engines[type].rtp_session)) {
8259	switch_rtp_set_telephony_event(smh->engines[type].rtp_session, te);
8260	}
8261	}
8262
8263	//?
8264	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_set_telephony_recv_event(switch_core_session_t *session, switch_media_type_t type, switch_payload_t te)
8265	{
8266	switch_media_handle_t *smh;
8267
8268	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8268, __PRETTY_FUNCTION__));
8269
8270	if (!(smh = session->media_handle)) {
8271	return;
8272	}
8273
8274	if (switch_rtp_ready(smh->engines[type].rtp_session)) {
8275	switch_rtp_set_telephony_recv_event(smh->engines[type].rtp_session, te);
8276	}
8277	}
8278
8279	//?
8280	SWITCH_DECLARE(switch_rtp_stats_t )__attribute__((visibility("default"))) switch_rtp_stats_t switch_core_media_get_stats(switch_core_session_t session, switch_media_type_t type, switch_memory_pool_t pool)
8281	{
8282	switch_media_handle_t *smh;
8283
8284	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8284, __PRETTY_FUNCTION__));
8285
8286	if (!(smh = session->media_handle)) {
8287	return NULL((void*)0);
8288	}
8289
8290	if (smh->engines[type].rtp_session) {
8291	return switch_rtp_get_stats(smh->engines[type].rtp_session, pool);
8292	}
8293
8294	return NULL((void*)0);
8295	}
8296
8297	//?
8298	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_udptl_mode(switch_core_session_t *session, switch_media_type_t type)
8299	{
8300	switch_media_handle_t *smh;
8301
8302	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8302, __PRETTY_FUNCTION__));
8303
8304	if (!(smh = session->media_handle)) {
8305	return SWITCH_STATUS_FALSE;
8306	}
8307
8308	if (switch_rtp_ready(smh->engines[type].rtp_session)) {
8309	return switch_rtp_udptl_mode(smh->engines[type].rtp_session);
8310	}
8311
8312	return SWITCH_STATUS_FALSE;
8313	}
8314
8315	//?
8316	SWITCH_DECLARE(stfu_instance_t )__attribute__((visibility("default"))) stfu_instance_t switch_core_media_get_jb(switch_core_session_t *session, switch_media_type_t type)
8317	{
8318	switch_media_handle_t *smh;
8319
8320	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8320, __PRETTY_FUNCTION__));
8321
8322	if (!(smh = session->media_handle)) {
8323	return NULL((void*)0);
8324	}
8325
8326	if (switch_rtp_ready(smh->engines[type].rtp_session)) {
8327	return switch_rtp_get_jitter_buffer(smh->engines[type].rtp_session);
8328	}
8329
8330	return NULL((void*)0);
8331	}
8332
8333
8334	//?
8335	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_set_sdp_codec_string(switch_core_session_t session, const char r_sdp, switch_sdp_type_t sdp_type)
8336	{
8337	sdp_parser_t *parser;
8338	sdp_session_t *sdp;
8339	switch_media_handle_t *smh;
8340
8341	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8341, __PRETTY_FUNCTION__));
8342
8343	if (!(smh = session->media_handle)) {
8344	return;
8345	}
8346
8347
8348	if ((parser = sdp_parse(NULL((void*)0), r_sdp, (int) strlen(r_sdp), 0))) {
8349
8350	if ((sdp = sdp_session(parser))) {
8351	switch_core_media_set_r_sdp_codec_string(session, switch_core_media_get_codec_string(session), sdp, sdp_type);
8352	}
8353
8354	sdp_parser_free(parser);
8355	}
8356
8357	}
8358
8359
8360	static void add_audio_codec(sdp_rtpmap_t map, int ptime, char buf, switch_size_t buflen)
8361	{
8362	int codec_ms = ptime;
8363	uint32_t map_bit_rate = 0, map_channels = 1;
8364	char ptstr[20] = "";
8365	char ratestr[20] = "";
8366	char bitstr[20] = "";
8367	switch_codec_fmtp_t codec_fmtp = { 0 };
8368
8369	if (!codec_ms) {
8370	codec_ms = switch_default_ptime(map->rm_encoding, map->rm_pt);
8371	}
8372
8373	map_channels = map->rm_params ? atoi(map->rm_params) : 1;
8374	map_bit_rate = switch_known_bitrate((switch_payload_t)map->rm_pt);
8375
8376	if (!ptime && !strcasecmp(map->rm_encoding, "g723")) {
8377	ptime = codec_ms = 30;
8378	}
8379
8380	if (zstr(map->rm_fmtp)_zstr(map->rm_fmtp)) {
8381	if (!strcasecmp(map->rm_encoding, "ilbc")) {
8382	ptime = codec_ms = 30;
8383	map_bit_rate = 13330;
8384	} else if (!strcasecmp(map->rm_encoding, "isac")) {
8385	ptime = codec_ms = 30;
8386	map_bit_rate = 32000;
8387	}
8388	} else {
8389	if ((switch_core_codec_parse_fmtp(map->rm_encoding, map->rm_fmtp, map->rm_rate, &codec_fmtp)) == SWITCH_STATUS_SUCCESS) {
8390	if (codec_fmtp.bits_per_second) {
8391	map_bit_rate = codec_fmtp.bits_per_second;
8392	}
8393	if (codec_fmtp.microseconds_per_packet) {
8394	codec_ms = (codec_fmtp.microseconds_per_packet / 1000);
8395	}
8396	}
8397	}
8398
8399	if (map->rm_rate) {
8400	switch_snprintf(ratestr, sizeof(ratestr), "@%uh", (unsigned int) map->rm_rate);
8401	}
8402
8403	if (codec_ms) {
8404	switch_snprintf(ptstr, sizeof(ptstr), "@%di", codec_ms);
8405	}
8406
8407	if (map_bit_rate) {
8408	switch_snprintf(bitstr, sizeof(bitstr), "@%db", map_bit_rate);
8409	}
8410
8411	if (map_channels > 1) {
8412	switch_snprintf(bitstr, sizeof(bitstr), "@%dc", map_channels);
8413	}
8414
8415	switch_snprintf(buf + strlen(buf), buflen - strlen(buf), ",%s%s%s%s", map->rm_encoding, ratestr, ptstr, bitstr);
8416
8417	}
8418
8419
8420	static void switch_core_media_set_r_sdp_codec_string(switch_core_session_t session, const char codec_string, sdp_session_t *sdp, switch_sdp_type_t sdp_type)
8421	{
8422	char buf[1024] = { 0 };
8423	sdp_media_t *m;
8424	sdp_attribute_t *attr;
8425	int ptime = 0, dptime = 0;
8426	sdp_connection_t *connection;
8427	sdp_rtpmap_t *map;
8428	short int match = 0;
8429	int i;
8430	int already_did[128] = { 0 };
8431	int num_codecs = 0;
8432	char *codec_order[SWITCH_MAX_CODECS50];
8433	const switch_codec_implementation_t *codecs[SWITCH_MAX_CODECS50] = { 0 };
8434	switch_channel_t *channel = switch_core_session_get_channel(session);
8435	int prefer_sdp = 0;
8436	const char *var;
8437	switch_media_handle_t *smh;
8438
8439	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8439, __PRETTY_FUNCTION__));
8440
8441	if (!(smh = session->media_handle)) {
8442	return;
8443	}
8444
8445
8446	if ((var = switch_channel_get_variable(channel, "ep_codec_prefer_sdp")switch_channel_get_variable_dup(channel, "ep_codec_prefer_sdp" , SWITCH_TRUE, -1)) && switch_true(var)) {
8447	prefer_sdp = 1;
8448	}
8449
8450	if (!zstr(codec_string)_zstr(codec_string)) {
8451	char *tmp_codec_string;
8452	if ((tmp_codec_string = strdup(codec_string)(__extension__ (__builtin_constant_p (codec_string) && ((size_t)(const void )((codec_string) + 1) - (size_t)(const void )(codec_string) == 1) ? (((const char ) (codec_string ))[0] == '\0' ? (char ) calloc ((size_t) 1, (size_t) 1) : ({ size_t __len = strlen (codec_string) + 1; char __retval = ( char ) malloc (__len); if (__retval != ((void)0)) __retval = (char ) memcpy (__retval, codec_string, __len); __retval; } )) : __strdup (codec_string))))) {
8453	num_codecs = switch_separate_string(tmp_codec_string, ',', codec_order, SWITCH_MAX_CODECS50);
8454	num_codecs = switch_loadable_module_get_codecs_sorted(codecs, SWITCH_MAX_CODECS50, codec_order, num_codecs);
8455	switch_safe_free(tmp_codec_string)if (tmp_codec_string) {free(tmp_codec_string);tmp_codec_string =((void*)0);};
8456	}
8457	} else {
8458	num_codecs = switch_loadable_module_get_codecs(codecs, SWITCH_MAX_CODECS50);
8459	}
8460
8461	if (!channel \|\| !num_codecs) {
8462	return;
8463	}
8464
8465	for (attr = sdp->sdp_attributes; attr; attr = attr->a_next) {
8466	if (zstr(attr->a_name)_zstr(attr->a_name)) {
8467	continue;
8468	}
8469	if (!strcasecmp(attr->a_name, "ptime")) {
8470	dptime = atoi(attr->a_value);
8471	break;
8472	}
8473	}
8474
8475	switch_core_media_find_zrtp_hash(session, sdp);
8476	switch_core_media_pass_zrtp_hash(session);
8477
8478	for (m = sdp->sdp_media; m; m = m->m_next) {
8479	ptime = dptime;
8480
8481	if ((m->m_type == sdp_media_audio \|\| m->m_type == sdp_media_video) && m->m_port) {
8482	for (map = m->m_rtpmaps; map; map = map->rm_next) {
8483	for (attr = m->m_attributes; attr; attr = attr->a_next) {
8484	if (zstr(attr->a_name)_zstr(attr->a_name)) {
8485	continue;
8486	}
8487	if (!strcasecmp(attr->a_name, "ptime") && attr->a_value) {
8488	ptime = atoi(attr->a_value);
8489	break;
8490	}
8491	}
8492	switch_core_media_add_payload_map(session,
8493	m->m_type == sdp_media_audio ? SWITCH_MEDIA_TYPE_AUDIO : SWITCH_MEDIA_TYPE_VIDEO,
8494	map->rm_encoding,
8495	map->rm_fmtp,
8496	sdp_type,
8497	map->rm_pt,
8498	map->rm_rate,
8499	ptime,
8500	map->rm_params ? atoi(map->rm_params) : 1,
8501	SWITCH_FALSE);
8502	}
8503	}
8504	}
8505
8506	for (m = sdp->sdp_media; m; m = m->m_next) {
8507	ptime = dptime;
8508
8509	if (m->m_type == sdp_media_image && m->m_port) {
8510	switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), ",t38");
8511	} else if (m->m_type == sdp_media_audio && m->m_port) {
8512	for (attr = m->m_attributes; attr; attr = attr->a_next) {
8513	if (zstr(attr->a_name)_zstr(attr->a_name)) {
8514	continue;
8515	}
8516	if (!strcasecmp(attr->a_name, "ptime") && attr->a_value) {
8517	ptime = atoi(attr->a_value);
8518	break;
8519	}
8520	}
8521	connection = sdp->sdp_connection;
8522	if (m->m_connections) {
8523	connection = m->m_connections;
8524	}
8525
8526	if (!connection) {
8527	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 8527, (const char)switch_channel_get_session(channel ), SWITCH_LOG_ERROR, "Cannot find a c= line in the sdp at media or session level!\n");
8528	break;
8529	}
8530
8531	if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_INBOUND \|\| prefer_sdp) {
8532	for (map = m->m_rtpmaps; map; map = map->rm_next) {
8533	if (map->rm_pt > 127 \|\| already_did[map->rm_pt]) {
8534	continue;
8535	}
8536
8537	for (i = 0; i < num_codecs; i++) {
8538	const switch_codec_implementation_t *imp = codecs[i];
8539
8540	if ((zstr(map->rm_encoding)_zstr(map->rm_encoding) \|\| (smh->mparams->ndlb & SM_NDLB_ALLOW_BAD_IANANAME)) && map->rm_pt < 96) {
8541	match = (map->rm_pt == imp->ianacode) ? 1 : 0;
8542	} else {
8543	if (map->rm_encoding) {
8544	match = !strcasecmp(map->rm_encoding, imp->iananame) &&
8545	((map->rm_pt < 96 && imp->ianacode < 96) \|\| (map->rm_pt > 95 && imp->ianacode > 95));
8546	} else {
8547	match = 0;
8548	}
8549	}
8550
8551	if (match) {
8552	add_audio_codec(map, ptime, buf, sizeof(buf));
8553	break;
8554	}
8555
8556	}
8557	}
8558
8559	} else {
8560	for (i = 0; i < num_codecs; i++) {
8561	const switch_codec_implementation_t *imp = codecs[i];
8562	if (imp->codec_type != SWITCH_CODEC_TYPE_AUDIO \|\| imp->ianacode > 127 \|\| already_did[imp->ianacode]) {
8563	continue;
8564	}
8565	for (map = m->m_rtpmaps; map; map = map->rm_next) {
8566	if (map->rm_pt > 127 \|\| already_did[map->rm_pt]) {
8567	continue;
8568	}
8569
8570	if ((zstr(map->rm_encoding)_zstr(map->rm_encoding) \|\| (smh->mparams->ndlb & SM_NDLB_ALLOW_BAD_IANANAME)) && map->rm_pt < 96) {
8571	match = (map->rm_pt == imp->ianacode) ? 1 : 0;
8572	} else {
8573	if (map->rm_encoding) {
8574	match = !strcasecmp(map->rm_encoding, imp->iananame) &&
8575	((map->rm_pt < 96 && imp->ianacode < 96) \|\| (map->rm_pt > 95 && imp->ianacode > 95));
8576	} else {
8577	match = 0;
8578	}
8579	}
8580
8581	if (match) {
8582	add_audio_codec(map, ptime, buf, sizeof(buf));
8583	break;
8584	}
8585	}
8586	}
8587	}
8588
8589	} else if (m->m_type == sdp_media_video && m->m_port) {
8590	connection = sdp->sdp_connection;
8591	if (m->m_connections) {
8592	connection = m->m_connections;
8593	}
8594
8595	if (!connection) {
8596	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 8596, (const char)switch_channel_get_session(channel ), SWITCH_LOG_ERROR, "Cannot find a c= line in the sdp at media or session level!\n");
8597	break;
8598	}
8599	for (i = 0; i < num_codecs; i++) {
8600	const switch_codec_implementation_t *imp = codecs[i];
8601	int channels;
8602
8603	if (imp->codec_type != SWITCH_CODEC_TYPE_VIDEO \|\| imp->ianacode > 127 \|\| already_did[imp->ianacode]) {
8604	continue;
8605	}
8606
8607	if (switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_INBOUND &&
8608	switch_channel_test_flag(session->channel, CF_NOVIDEO)) {
8609	continue;
8610	}
8611
8612	for (map = m->m_rtpmaps; map; map = map->rm_next) {
8613	if (map->rm_pt > 127 \|\| already_did[map->rm_pt]) {
8614	continue;
8615	}
8616
8617	if ((zstr(map->rm_encoding)_zstr(map->rm_encoding) \|\| (smh->mparams->ndlb & SM_NDLB_ALLOW_BAD_IANANAME)) && map->rm_pt < 96) {
8618	match = (map->rm_pt == imp->ianacode) ? 1 : 0;
8619	} else {
8620	if (map->rm_encoding) {
8621	match = !strcasecmp(map->rm_encoding, imp->iananame) &&
8622	((map->rm_pt < 96 && imp->ianacode < 96) \|\| (map->rm_pt > 95 && imp->ianacode > 95));
8623	} else {
8624	match = 0;
8625	}
8626	}
8627
8628	if (match) {
8629	channels = map->rm_params ? atoi(map->rm_params) : 1;
8630	if (ptime > 0) {
8631	switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), ",%s@%uh@%di@%dc", imp->iananame, (unsigned int) map->rm_rate,
8632	ptime, channels);
8633	} else {
8634	switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), ",%s@%uh@%dc", imp->iananame, (unsigned int) map->rm_rate, channels);
8635	}
8636	already_did[imp->ianacode] = 1;
8637	break;
8638	}
8639	}
8640	}
8641	}
8642	}
8643	if (buf[0] == ',') {
8644	switch_channel_set_variable(channel, "ep_codec_string", buf + 1)switch_channel_set_variable_var_check(channel, "ep_codec_string" , buf + 1, SWITCH_TRUE);
8645	}
8646	}
8647
8648	//?
8649	SWITCH_DECLARE(switch_status_t)__attribute__((visibility("default"))) switch_status_t switch_core_media_codec_chosen(switch_core_session_t *session, switch_media_type_t type)
8650	{
8651	switch_rtp_engine_t *engine;
8652	switch_media_handle_t *smh;
8653
8654	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8654, __PRETTY_FUNCTION__));
8655
8656	if (!(smh = session->media_handle)) {
8657	return SWITCH_STATUS_FALSE;
8658	}
8659
8660	engine = &smh->engines[type];
8661
8662	if (engine->cur_payload_map->iananame) {
8663	return SWITCH_STATUS_SUCCESS;
8664	}
8665
8666	return SWITCH_STATUS_FALSE;
8667	}
8668
8669
8670	//?
8671	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_check_outgoing_proxy(switch_core_session_t session, switch_core_session_t o_session)
8672	{
8673	switch_rtp_engine_t a_engine, v_engine;
8674	switch_media_handle_t *smh;
8675	const char r_sdp = NULL((void)0);
8676	payload_map_t *pmap;
8677
8678	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8678, __PRETTY_FUNCTION__));
8679
8680	if (!switch_channel_test_flag(o_session->channel, CF_PROXY_MEDIA)) {
8681	return;
8682	}
8683
8684	if (!(smh = session->media_handle)) {
8685	return;
8686	}
8687
8688	r_sdp = switch_channel_get_variable(o_session->channel, SWITCH_R_SDP_VARIABLE)switch_channel_get_variable_dup(o_session->channel, "switch_r_sdp" , SWITCH_TRUE, -1);
8689
8690	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
8691	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
8692
8693	switch_channel_set_flag(session->channel, CF_PROXY_MEDIA)switch_channel_set_flag_value(session->channel, CF_PROXY_MEDIA , 1);
8694
8695	clear_pmaps(a_engine);
8696	clear_pmaps(v_engine);
8697
8698	pmap = switch_core_media_add_payload_map(session,
8699	SWITCH_MEDIA_TYPE_AUDIO,
8700	"PROXY",
8701	NULL((void*)0),
8702	SDP_TYPE_RESPONSE,
8703	0,
8704	8000,
8705	8000,
8706	1,
8707	SWITCH_TRUE);
8708
8709	a_engine->cur_payload_map = pmap;
8710
8711	if (switch_stristr("m=video", r_sdp)) {
8712	switch_core_media_choose_port(session, SWITCH_MEDIA_TYPE_VIDEO, 1);
8713	pmap = switch_core_media_add_payload_map(session,
8714	SWITCH_MEDIA_TYPE_AUDIO,
8715	"PROXY-VID",
8716	NULL((void*)0),
8717	SDP_TYPE_RESPONSE,
8718	0,
8719	90000,
8720	90000,
8721	1,
8722	SWITCH_TRUE);
8723
8724	v_engine->cur_payload_map = pmap;
8725
8726	switch_channel_set_flag(session->channel, CF_VIDEO)switch_channel_set_flag_value(session->channel, CF_VIDEO, 1 );
8727	switch_channel_set_flag(session->channel, CF_VIDEO_POSSIBLE)switch_channel_set_flag_value(session->channel, CF_VIDEO_POSSIBLE , 1);
8728	}
8729	}
8730
8731	#ifdef _MSC_VER
8732	/* remove this if the break is removed from the following for loop which causes unreachable code loop */
8733	/* for (m = sdp->sdp_media; m; m = m->m_next) { */
8734	#pragma warning(push)
8735	#pragma warning(disable:4702)
8736	#endif
8737
8738	//?
8739	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_proxy_codec(switch_core_session_t session, const char r_sdp)
8740	{
8741	sdp_media_t *m;
8742	sdp_parser_t parser = NULL((void)0);
8743	sdp_session_t *sdp;
8744	sdp_attribute_t *attr;
8745	int ptime = 0, dptime = 0;
8746	switch_rtp_engine_t *a_engine;
8747	switch_media_handle_t *smh;
8748
8749	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8749, __PRETTY_FUNCTION__));
8750
8751	if (!(smh = session->media_handle)) {
8752	return;
8753	}
8754
8755	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
8756
8757	if (!(parser = sdp_parse(NULL((void*)0), r_sdp, (int) strlen(r_sdp), 0))) {
8758	return;
8759	}
8760
8761	if (!(sdp = sdp_session(parser))) {
8762	sdp_parser_free(parser);
8763	return;
8764	}
8765
8766
8767	for (attr = sdp->sdp_attributes; attr; attr = attr->a_next) {
8768	if (zstr(attr->a_name)_zstr(attr->a_name)) {
8769	continue;
8770	}
8771
8772	if (!strcasecmp(attr->a_name, "ptime")) {
8773	dptime = atoi(attr->a_value);
8774	}
8775	}
8776
8777
8778	for (m = sdp->sdp_media; m; m = m->m_next) {
8779
8780	ptime = dptime;
8781	//maxptime = dmaxptime;
8782
8783	if (m->m_proto == sdp_proto_rtp) {
8784	sdp_rtpmap_t *map;
8785	for (attr = m->m_attributes; attr; attr = attr->a_next) {
8786	if (!strcasecmp(attr->a_name, "ptime") && attr->a_value) {
8787	ptime = atoi(attr->a_value);
8788	} else if (!strcasecmp(attr->a_name, "maxptime") && attr->a_value) {
8789	//maxptime = atoi(attr->a_value);
8790	}
8791	}
8792
8793	for (map = m->m_rtpmaps; map; map = map->rm_next) {
8794	a_engine->cur_payload_map->iananame = switch_core_session_strdup(session, map->rm_encoding)switch_core_perform_session_strdup(session, map->rm_encoding , "src/switch_core_media.c", (const char *)__func__, 8794);
8795	a_engine->cur_payload_map->rm_rate = map->rm_rate;
8796	a_engine->cur_payload_map->adv_rm_rate = map->rm_rate;
8797	a_engine->cur_payload_map->codec_ms = ptime;
8798	switch_core_media_set_codec(session, 0, smh->mparams->codec_flags);
8799	break;
8800	}
8801
8802	break;
8803	}
8804	}
8805
8806	sdp_parser_free(parser);
8807
8808	}
8809	#ifdef _MSC_VER
8810	#pragma warning(pop)
8811	#endif
8812
8813	SWITCH_DECLARE (void)__attribute__((visibility("default"))) void switch_core_media_recover_session(switch_core_session_t *session)
8814	{
8815	const char *ip;
8816	const char *port;
8817	const char *a_ip;
8818	const char *r_ip;
8819	const char *r_port;
8820	const char *tmp;
8821	switch_rtp_engine_t a_engine, v_engine;
8822	switch_media_handle_t *smh;
8823
8824	switch_assert(session)((session) ? (void) (0) : __assert_fail ("session", "src/switch_core_media.c" , 8824, __PRETTY_FUNCTION__));
8825
8826	if (!(smh = session->media_handle)) {
8827	return;
8828	}
8829
8830	ip = switch_channel_get_variable(session->channel, SWITCH_LOCAL_MEDIA_IP_VARIABLE)switch_channel_get_variable_dup(session->channel, "local_media_ip" , SWITCH_TRUE, -1);
8831	port = switch_channel_get_variable(session->channel, SWITCH_LOCAL_MEDIA_PORT_VARIABLE)switch_channel_get_variable_dup(session->channel, "local_media_port" , SWITCH_TRUE, -1);
8832
8833	if (switch_channel_test_flag(session->channel, CF_PROXY_MODE) \|\| !(ip && port)) {
8834	return;
8835	} else {
8836	a_ip = switch_channel_get_variable(session->channel, SWITCH_ADVERTISED_MEDIA_IP_VARIABLE)switch_channel_get_variable_dup(session->channel, "advertised_media_ip" , SWITCH_TRUE, -1);
8837	r_ip = switch_channel_get_variable(session->channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE)switch_channel_get_variable_dup(session->channel, "remote_media_ip" , SWITCH_TRUE, -1);
8838	r_port = switch_channel_get_variable(session->channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE)switch_channel_get_variable_dup(session->channel, "remote_media_port" , SWITCH_TRUE, -1);
8839	}
8840
8841	a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
8842	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
8843
8844	a_engine->cur_payload_map->iananame = a_engine->cur_payload_map->rm_encoding = (char *) switch_channel_get_variable(session->channel, "rtp_use_codec_name")switch_channel_get_variable_dup(session->channel, "rtp_use_codec_name" , SWITCH_TRUE, -1);
8845	a_engine->cur_payload_map->rm_fmtp = (char *) switch_channel_get_variable(session->channel, "rtp_use_codec_fmtp")switch_channel_get_variable_dup(session->channel, "rtp_use_codec_fmtp" , SWITCH_TRUE, -1);
8846
8847	if ((tmp = switch_channel_get_variable(session->channel, SWITCH_R_SDP_VARIABLE)switch_channel_get_variable_dup(session->channel, "switch_r_sdp" , SWITCH_TRUE, -1))) {
8848	smh->mparams->remote_sdp_str = switch_core_session_strdup(session, tmp)switch_core_perform_session_strdup(session, tmp, "src/switch_core_media.c" , (const char *)__func__, 8848);
8849	}
8850
8851	if ((tmp = switch_channel_get_variable(session->channel, "rtp_use_timer_name")switch_channel_get_variable_dup(session->channel, "rtp_use_timer_name" , SWITCH_TRUE, -1))) {
8852	smh->mparams->timer_name = switch_core_session_strdup(session, tmp)switch_core_perform_session_strdup(session, tmp, "src/switch_core_media.c" , (const char *)__func__, 8852);
8853	}
8854
8855	if ((tmp = switch_channel_get_variable(session->channel, "rtp_last_audio_codec_string")switch_channel_get_variable_dup(session->channel, "rtp_last_audio_codec_string" , SWITCH_TRUE, -1))) {
8856	const char *vtmp = switch_channel_get_variable(session->channel, "rtp_last_video_codec_string")switch_channel_get_variable_dup(session->channel, "rtp_last_video_codec_string" , SWITCH_TRUE, -1);
8857	switch_channel_set_variable_printf(session->channel, "rtp_use_codec_string", "%s%s%s", tmp, vtmp ? "," : "", vtmp ? vtmp : "");
8858	}
8859
8860	if ((tmp = switch_channel_get_variable(session->channel, "rtp_use_codec_string")switch_channel_get_variable_dup(session->channel, "rtp_use_codec_string" , SWITCH_TRUE, -1))) {
8861	char tmp_codec_string = switch_core_session_strdup(smh->session, tmp)switch_core_perform_session_strdup(smh->session, tmp, "src/switch_core_media.c" , (const char )__func__, 8861);
8862	smh->codec_order_last = switch_separate_string(tmp_codec_string, ',', smh->codec_order, SWITCH_MAX_CODECS50);
8863	smh->mparams->num_codecs = switch_loadable_module_get_codecs_sorted(smh->codecs, SWITCH_MAX_CODECS50, smh->codec_order, smh->codec_order_last);
8864	}
8865
8866	if ((tmp = switch_channel_get_variable(session->channel, "rtp_2833_send_payload")switch_channel_get_variable_dup(session->channel, "rtp_2833_send_payload" , SWITCH_TRUE, -1))) {
8867	smh->mparams->te = (switch_payload_t)atoi(tmp);
8868	}
8869
8870	if ((tmp = switch_channel_get_variable(session->channel, "rtp_2833_recv_payload")switch_channel_get_variable_dup(session->channel, "rtp_2833_recv_payload" , SWITCH_TRUE, -1))) {
8871	smh->mparams->recv_te = (switch_payload_t)atoi(tmp);
8872	}
8873
8874	if ((tmp = switch_channel_get_variable(session->channel, "rtp_use_codec_rate")switch_channel_get_variable_dup(session->channel, "rtp_use_codec_rate" , SWITCH_TRUE, -1))) {
8875	a_engine->cur_payload_map->rm_rate = atoi(tmp);
8876	a_engine->cur_payload_map->adv_rm_rate = a_engine->cur_payload_map->rm_rate;
8877	}
8878
8879	if ((tmp = switch_channel_get_variable(session->channel, "rtp_use_codec_ptime")switch_channel_get_variable_dup(session->channel, "rtp_use_codec_ptime" , SWITCH_TRUE, -1))) {
8880	a_engine->cur_payload_map->codec_ms = atoi(tmp);
8881	}
8882
8883	if ((tmp = switch_channel_get_variable(session->channel, "rtp_use_codec_channels")switch_channel_get_variable_dup(session->channel, "rtp_use_codec_channels" , SWITCH_TRUE, -1))) {
8884	a_engine->cur_payload_map->channels = atoi(tmp);
8885	}
8886
8887	if ((tmp = switch_channel_get_variable(session->channel, "rtp_use_pt")switch_channel_get_variable_dup(session->channel, "rtp_use_pt" , SWITCH_TRUE, -1))) {
8888	a_engine->cur_payload_map->pt = a_engine->cur_payload_map->agreed_pt = (switch_payload_t)(smh->payload_space = atoi(tmp));
8889	}
8890
8891	if ((tmp = switch_channel_get_variable(session->channel, "rtp_audio_recv_pt")switch_channel_get_variable_dup(session->channel, "rtp_audio_recv_pt" , SWITCH_TRUE, -1))) {
8892	a_engine->cur_payload_map->recv_pt = (switch_payload_t)atoi(tmp);
8893	}
8894
8895	switch_core_media_set_codec(session, 0, smh->mparams->codec_flags);
8896
8897	a_engine->adv_sdp_ip = smh->mparams->extrtpip = (char *) ip;
8898	a_engine->adv_sdp_port = a_engine->local_sdp_port = (switch_port_t)atoi(port);
8899	a_engine->codec_negotiated = 1;
8900
8901	if (!zstr(ip)_zstr(ip)) {
8902	a_engine->local_sdp_ip = switch_core_session_strdup(session, ip)switch_core_perform_session_strdup(session, ip, "src/switch_core_media.c" , (const char *)__func__, 8902);
8903	smh->mparams->rtpip = a_engine->local_sdp_ip;
8904	}
8905
8906	if (!zstr(a_ip)_zstr(a_ip)) {
8907	a_engine->adv_sdp_ip = switch_core_session_strdup(session, a_ip)switch_core_perform_session_strdup(session, a_ip, "src/switch_core_media.c" , (const char *)__func__, 8907);
8908	}
8909
8910	if (r_ip && r_port) {
8911	a_engine->cur_payload_map->remote_sdp_ip = (char *) r_ip;
8912	a_engine->cur_payload_map->remote_sdp_port = (switch_port_t)atoi(r_port);
8913	}
8914
8915	if (switch_channel_test_flag(session->channel, CF_VIDEO)) {
8916	if ((tmp = switch_channel_get_variable(session->channel, "rtp_use_video_pt")switch_channel_get_variable_dup(session->channel, "rtp_use_video_pt" , SWITCH_TRUE, -1))) {
8917	v_engine->cur_payload_map->pt = v_engine->cur_payload_map->agreed_pt = (switch_payload_t)atoi(tmp);
8918	}
8919
8920	if ((tmp = switch_channel_get_variable(session->channel, "rtp_video_recv_pt")switch_channel_get_variable_dup(session->channel, "rtp_video_recv_pt" , SWITCH_TRUE, -1))) {
8921	v_engine->cur_payload_map->recv_pt = (switch_payload_t)atoi(tmp);
8922	}
8923
8924	v_engine->cur_payload_map->rm_encoding = (char *) switch_channel_get_variable(session->channel, "rtp_use_video_codec_name")switch_channel_get_variable_dup(session->channel, "rtp_use_video_codec_name" , SWITCH_TRUE, -1);
8925	v_engine->cur_payload_map->rm_fmtp = (char *) switch_channel_get_variable(session->channel, "rtp_use_video_codec_fmtp")switch_channel_get_variable_dup(session->channel, "rtp_use_video_codec_fmtp" , SWITCH_TRUE, -1);
8926
8927	ip = switch_channel_get_variable(session->channel, SWITCH_LOCAL_VIDEO_IP_VARIABLE)switch_channel_get_variable_dup(session->channel, "local_video_ip" , SWITCH_TRUE, -1);
8928	port = switch_channel_get_variable(session->channel, SWITCH_LOCAL_VIDEO_PORT_VARIABLE)switch_channel_get_variable_dup(session->channel, "local_video_port" , SWITCH_TRUE, -1);
8929	r_ip = switch_channel_get_variable(session->channel, SWITCH_REMOTE_VIDEO_IP_VARIABLE)switch_channel_get_variable_dup(session->channel, "remote_video_ip" , SWITCH_TRUE, -1);
8930	r_port = switch_channel_get_variable(session->channel, SWITCH_REMOTE_VIDEO_PORT_VARIABLE)switch_channel_get_variable_dup(session->channel, "remote_video_port" , SWITCH_TRUE, -1);
8931
8932	switch_channel_set_flag(session->channel, CF_VIDEO_POSSIBLE)switch_channel_set_flag_value(session->channel, CF_VIDEO_POSSIBLE , 1);
8933
8934	if ((tmp = switch_channel_get_variable(session->channel, "rtp_use_video_codec_rate")switch_channel_get_variable_dup(session->channel, "rtp_use_video_codec_rate" , SWITCH_TRUE, -1))) {
8935	v_engine->cur_payload_map->rm_rate = atoi(tmp);
8936	v_engine->cur_payload_map->adv_rm_rate = v_engine->cur_payload_map->rm_rate;
8937	}
8938
8939	if ((tmp = switch_channel_get_variable(session->channel, "rtp_use_video_codec_ptime")switch_channel_get_variable_dup(session->channel, "rtp_use_video_codec_ptime" , SWITCH_TRUE, -1))) {
8940	v_engine->cur_payload_map->codec_ms = atoi(tmp);
8941	}
8942
8943	v_engine->adv_sdp_port = v_engine->local_sdp_port = (switch_port_t)atoi(port);
8944	v_engine->local_sdp_ip = smh->mparams->rtpip;
8945
8946	if (r_ip && r_port) {
8947	v_engine->cur_payload_map->remote_sdp_ip = (char *) r_ip;
8948	v_engine->cur_payload_map->remote_sdp_port = (switch_port_t)atoi(r_port);
8949	}
8950	}
8951
8952	switch_core_media_gen_local_sdp(session, SDP_TYPE_REQUEST, NULL((void)0), 0, NULL((void)0), 1);
8953	switch_core_media_set_video_codec(session, 1);
8954
8955	if (switch_core_media_activate_rtp(session) != SWITCH_STATUS_SUCCESS) {
8956	return;
8957	}
8958
8959	switch_core_session_get_recovery_crypto_key(session, SWITCH_MEDIA_TYPE_AUDIO);
8960	switch_core_session_get_recovery_crypto_key(session, SWITCH_MEDIA_TYPE_VIDEO);
8961
8962
8963	if ((tmp = switch_channel_get_variable(session->channel, "rtp_last_audio_local_crypto_key")switch_channel_get_variable_dup(session->channel, "rtp_last_audio_local_crypto_key" , SWITCH_TRUE, -1)) && a_engine->ssec[a_engine->crypto_type].remote_crypto_key) {
8964	int idx = atoi(tmp);
8965
8966	a_engine->ssec[a_engine->crypto_type].local_crypto_key = switch_core_session_strdup(session, tmp)switch_core_perform_session_strdup(session, tmp, "src/switch_core_media.c" , (const char *)__func__, 8966);
8967	switch_core_media_add_crypto(&a_engine->ssec[a_engine->crypto_type], a_engine->ssec[a_engine->crypto_type].local_crypto_key, SWITCH_RTP_CRYPTO_SEND);
8968	switch_core_media_add_crypto(&a_engine->ssec[a_engine->crypto_type], a_engine->ssec[a_engine->crypto_type].remote_crypto_key, SWITCH_RTP_CRYPTO_RECV);
8969	switch_channel_set_flag(smh->session->channel, CF_SECURE)switch_channel_set_flag_value(smh->session->channel, CF_SECURE , 1);
8970
8971	switch_rtp_add_crypto_key(a_engine->rtp_session, SWITCH_RTP_CRYPTO_SEND, idx,
8972	a_engine->crypto_type,
8973	a_engine->ssec[a_engine->crypto_type].local_raw_key,
8974	SUITES[a_engine->crypto_type].keylen);
8975
8976	switch_rtp_add_crypto_key(a_engine->rtp_session, SWITCH_RTP_CRYPTO_RECV,
8977	a_engine->ssec[a_engine->crypto_type].crypto_tag,
8978	a_engine->crypto_type,
8979	a_engine->ssec[a_engine->crypto_type].remote_raw_key,
8980	SUITES[a_engine->crypto_type].keylen);
8981	}
8982
8983
8984	if (switch_core_media_ready(session, SWITCH_MEDIA_TYPE_AUDIO)) {
8985	switch_rtp_set_telephony_event(a_engine->rtp_session, smh->mparams->te);
8986	switch_rtp_set_telephony_recv_event(a_engine->rtp_session, smh->mparams->recv_te);
8987	}
8988
8989	}
8990
8991
8992	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_init(void)
8993	{
8994	switch_core_gen_certs(DTLS_SRTP_FNAME"dtls-srtp" ".pem");
8995	}
8996
8997	SWITCH_DECLARE(void)__attribute__((visibility("default"))) void switch_core_media_deinit(void)
8998	{
8999
9000	}
9001
9002	static int payload_number(const char *name)
9003	{
9004	if (!strcasecmp(name, "pcmu")) {
9005	return 0;
9006	}
9007
9008	if (!strcasecmp(name, "pcma")) {
9009	return 8;
9010	}
9011
9012	if (!strcasecmp(name, "gsm")) {
9013	return 3;
9014	}
9015
9016	if (!strcasecmp(name, "g722")) {
9017	return 9;
9018	}
9019
9020	if (!strcasecmp(name, "g729")) {
9021	return 18;
9022	}
9023
9024	if (!strcasecmp(name, "dvi4")) {
9025	return 5;
9026	}
9027
9028	if (!strcasecmp(name, "h261")) {
9029	return 31;
9030	}
9031
9032	if (!strcasecmp(name, "h263")) {
9033	return 34;
9034	}
9035
9036	return -1;
9037	}
9038
9039	static int find_pt(const char sdp, const char name)
9040	{
9041	const char *p;
9042
9043	if ((p = switch_stristr(name, sdp))) {
9044	if (p < end_of_p(sdp)(sdp == '\0' ? sdp : sdp + strlen(sdp) - 1) && (p+strlen(name)) == '/' && *(p-1) == ' ') {
9045	p -= 2;
9046
9047	while(p > 47 && p < 58) {
9048	p--;
9049	}
9050	p++;
9051
9052	if (p) {
9053	return atoi(p);
9054	}
9055	}
9056	}
9057
9058	return -1;
9059	}
9060
9061
9062	SWITCH_DECLARE(char )__attribute__((visibility("default"))) char switch_core_media_filter_sdp(const char sdp_str, const char cmd, const char *arg)
9063	{
9064	char new_sdp = NULL((void)0);
9065	int pt = -1, te = -1;
9066	switch_size_t len;
9067	const char *i;
9068	char *o;
9069	int in_m = 0, m_tally = 0, slash = 0;
9070	int number = 0, skip = 0;
9071	int remove = !strcasecmp(cmd, "remove");
9072	int only = !strcasecmp(cmd, "only");
9073	char end = end_of_p((char )sdp_str)((char )sdp_str == '\0' ? (char )sdp_str : (char )sdp_str + strlen((char *)sdp_str) - 1);
9074	int tst;
9075	end++;
9076
9077
9078	if (remove \|\| only) {
9079	pt = payload_number(arg);
9080
9081	if (pt < 0) {
9082	pt = find_pt(sdp_str, arg);
9083	}
9084	} else {
9085	return NULL((void*)0);
9086	}
9087
9088	if (only) {
9089	te = find_pt(sdp_str, "telephone-event");
9090	}
9091
9092
9093	len = strlen(sdp_str) + 2;
9094	new_sdp = malloc(len);
9095	o = new_sdp;
9096	i = sdp_str;
9097
9098
9099	while(i && *i && i < end) {
9100
9101	if (i == 'm' && (i+1) == '=') {
9102	in_m = 1;
9103	m_tally++;
9104	}
9105
9106	if (in_m) {
9107	if (i == '\r' \|\| i == '\n') {
9108	in_m = 0;
9109	slash = 0;
9110	} else {
9111	if (*i == '/') {
9112	slash++;
9113	while(*i != ' ' && i < end) {
9114	o++ = i++;
9115	}
9116
9117	o++ = i++;
9118	}
9119
9120	if (slash && switch_is_leading_number(i)) {
9121
9122
9123	number = atoi(i);
9124
9125	while(i < end && ((i > 47 && i < 58) \|\| *i == ' ')) {
9126
9127	if (remove) {
9128	tst = (number != pt);
9129	} else {
9130	tst = (number == pt \|\| number == te);
9131	}
9132
9133	if (tst) {
9134	o++ = i;
9135	}
9136	i++;
9137
9138	if (*i == ' ') {
9139	break;
9140	}
9141
9142	}
9143
9144	if (remove) {
9145	tst = (number == pt);
9146	} else {
9147	tst = (number != pt && number != te);
9148	}
9149
9150	if (tst) {
9151	skip++;
9152	}
9153	}
9154	}
9155	}
9156
9157	while (i < end && !strncasecmp(i, "a=rtpmap:", 9)) {
9158	const char *t = i + 9;
9159
9160	number = atoi(t);
9161
9162	if (remove) {
9163	tst = (number == pt);
9164	} else {
9165	tst = (number != pt && number != te);
9166	}
9167
9168	while(i < end && (i != '\r' && i != '\n')) {
9169	if (!tst) o++ = i;
9170	i++;
9171	}
9172
9173	while(i < end && (i == '\r' \|\| i == '\n')) {
9174	if (!tst) o++ = i;
9175	i++;
9176	}
9177	}
9178
9179	while (i < end && !strncasecmp(i, "a=fmtp:", 7)) {
9180	const char *t = i + 7;
9181
9182	number = atoi(t);
9183
9184	if (remove) {
9185	tst = (number == pt);
9186	} else {
9187	tst = (number != pt && number != te);
9188	}
9189
9190	while(i < end && (i != '\r' && i != '\n')) {
9191	if (!tst) o++ = i;
9192	i++;
9193	}
9194
9195	while(i < end && (i == '\r' \|\| i == '\n')) {
9196	if (!tst) o++ = i;
9197	i++;
9198	}
9199	}
9200
9201	if (!skip) {
9202	o++ = i;
9203	}
9204
9205	skip = 0;
9206
9207	i++;
9208	}
9209
9210	*o = '\0';
9211
9212	return new_sdp;
9213	}
9214
9215	SWITCH_DECLARE(char )__attribute__((visibility("default"))) char switch_core_media_process_sdp_filter(const char sdp, const char cmd_buf, switch_core_session_t *session)
9216	{
9217	switch_channel_t *channel = switch_core_session_get_channel(session);
9218	char cmd = switch_core_session_strdup(session, cmd_buf)switch_core_perform_session_strdup(session, cmd_buf, "src/switch_core_media.c" , (const char )__func__, 9218);
9219	int argc = 0;
9220	char *argv[50];
9221	int x = 0;
9222	char patched_sdp = NULL((void)0);
9223
9224	argc = switch_split(cmd, '\|', argv)switch_separate_string(cmd, '\|', argv, (sizeof(argv) / sizeof (argv[0])));
9225
9226	for (x = 0; x < argc; x++) {
9227	char *command = argv[x];
9228	char arg = strchr(command, '(')(__extension__ (__builtin_constant_p ('(') && !__builtin_constant_p (command) && ('(') == '\0' ? (char ) __rawmemchr (command , '(') : __builtin_strchr (command, '(')));
9229
9230	if (arg) {
9231	char *e = switch_find_end_paren(arg, '(', ')');
9232	*arg++ = '\0';
9233	if (e) *e = '\0';
9234	}
9235
9236	if (zstr(command)_zstr(command) \|\| zstr(arg)_zstr(arg)) {
9237	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 9237, (const char)switch_channel_get_session(channel ), SWITCH_LOG_WARNING, "%s SDP FILTER PARSE ERROR\n", switch_channel_get_name(channel));
9238	} else {
9239	char tmp_sdp = NULL((void)0);
9240
9241	if (patched_sdp) {
9242	tmp_sdp = switch_core_media_filter_sdp(patched_sdp, command, arg);
9243	} else {
9244	tmp_sdp = switch_core_media_filter_sdp(sdp, command, arg);
9245	}
9246
9247
9248	switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel)SWITCH_CHANNEL_ID_SESSION, "src/switch_core_media.c", (const char )__func__, 9248, (const char)switch_channel_get_session(channel ), SWITCH_LOG_DEBUG,
9249	"%s Filter command %s(%s)\nFROM:\n==========\n%s\nTO:\n==========\n%s\n\n",
9250	switch_channel_get_name(channel),
9251	command, arg, patched_sdp ? patched_sdp : sdp, tmp_sdp);
9252
9253
9254	if (tmp_sdp) {
9255	switch_safe_free(patched_sdp)if (patched_sdp) {free(patched_sdp);patched_sdp=((void*)0);};
9256	patched_sdp = tmp_sdp;
9257	}
9258	}
9259	}
9260
9261	return patched_sdp;
9262
9263	}
9264
9265	/* For Emacs:
9266	* Local Variables:
9267	* mode:c
9268	* indent-tabs-mode:t
9269	* tab-width:4
9270	* c-basic-offset:4
9271	* End:
9272	* For VIM:
9273	* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
9274	*/
9275