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inherit dynamic payloads from A leg where applicable

This commit is contained in:
Anthony Minessale 2013-11-10 07:53:11 +05:00
parent afaa8e3a75
commit fb78273ab0
2 changed files with 89 additions and 16 deletions
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7
src/include/switch_core_media.h
View File

@ -305,6 +305,13 @@ SWITCH_DECLARE(void) switch_core_media_deinit(void);
SWITCH_DECLARE(void) switch_core_media_set_stats(switch_core_session_t *session);
SWITCH_DECLARE(void) switch_core_session_wake_video_thread(switch_core_session_t *session);
SWITCH_DECLARE(void) switch_core_session_clear_crypto(switch_core_session_t *session);
SWITCH_DECLARE(switch_status_t) switch_core_session_get_payload_code(switch_core_session_t *session,
switch_media_type_t type,
const char *iananame,
switch_payload_t *ptP,
switch_payload_t *recv_ptP);
SWITCH_DECLARE(payload_map_t *) switch_core_media_add_payload_map(switch_core_session_t *session,
switch_media_type_t type,
const char *name,

98
src/switch_core_media.c
View File

@ -162,6 +162,7 @@ struct switch_media_handle_s {
char *origin;
switch_mutex_t *mutex;
switch_mutex_t *sdp_mutex;
const switch_codec_implementation_t *negotiated_codecs[SWITCH_MAX_CODECS];
int num_negotiated_codecs;
@ -459,6 +460,50 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_process_t38_passthru(switch_co
}
SWITCH_DECLARE(switch_status_t) switch_core_session_get_payload_code(switch_core_session_t *session,
switch_media_type_t type,
const char *iananame,
switch_payload_t *ptP,
switch_payload_t *recv_ptP)
{
payload_map_t *pmap;
switch_media_handle_t *smh;
switch_rtp_engine_t *engine;
switch_payload_t pt = 0, recv_pt = 0;
int found = 0;
switch_assert(session);
if (!(smh = session->media_handle)) {
return SWITCH_STATUS_FALSE;
}
engine = &smh->engines[type];
switch_mutex_lock(smh->sdp_mutex);
for (pmap = engine->payload_map; pmap && pmap->allocated; pmap = pmap->next) {
if (!strcasecmp(pmap->iananame, iananame)) {
pt = pmap->pt;
recv_pt = pmap->recv_pt;
found++;
}
}
switch_mutex_lock(smh->sdp_mutex);
if (found) {
if (ptP) {
*ptP = pt;
}
if (recv_ptP) {
*recv_ptP = recv_pt;
}
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
SWITCH_DECLARE(payload_map_t *) switch_core_media_add_payload_map(switch_core_session_t *session,
switch_media_type_t type,
@ -482,7 +527,7 @@ SWITCH_DECLARE(payload_map_t *) switch_core_media_add_payload_map(switch_core_se
engine = &smh->engines[type];
switch_mutex_lock(smh->mutex);
switch_mutex_lock(smh->sdp_mutex);
for (pmap = engine->payload_map; pmap && pmap->allocated; pmap = pmap->next) {
@ -534,7 +579,7 @@ SWITCH_DECLARE(payload_map_t *) switch_core_media_add_payload_map(switch_core_se
}
}
switch_mutex_unlock(smh->mutex);
switch_mutex_unlock(smh->sdp_mutex);
return pmap;
}
@ -1144,6 +1189,7 @@ SWITCH_DECLARE(switch_status_t) switch_media_handle_create(switch_media_handle_t
switch_mutex_init(&session->media_handle->mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));
switch_mutex_init(&session->media_handle->sdp_mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));
session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO].ssrc =
(uint32_t) ((intptr_t) &session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO] + (uint32_t) time(NULL));
@ -1638,7 +1684,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_read_frame(switch_core_session
/* search for payload type */
switch_mutex_lock(smh->mutex);
switch_mutex_lock(smh->sdp_mutex);
for (pmap = engine->cur_payload_map; pmap; pmap = pmap->next) {
if (engine->read_frame.payload == pmap->recv_pt) {
engine->cur_payload_map = pmap;
@ -1652,7 +1698,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_read_frame(switch_core_session
break;
}
}
switch_mutex_unlock(smh->mutex);
switch_mutex_unlock(smh->sdp_mutex);
if (!engine->reset_codec) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING,
@ -5609,10 +5655,10 @@ SWITCH_DECLARE(void)switch_core_media_set_local_sdp(switch_core_session_t *sessi
return;
}
if (smh->mutex) switch_mutex_lock(smh->mutex);
if (smh->sdp_mutex) switch_mutex_lock(smh->sdp_mutex);
smh->mparams->local_sdp_str = dup ? switch_core_session_strdup(session, sdp_str) : (char *) sdp_str;
switch_channel_set_variable(session->channel, "rtp_local_sdp_str", smh->mparams->local_sdp_str);
if (smh->mutex) switch_mutex_unlock(smh->mutex);
if (smh->sdp_mutex) switch_mutex_unlock(smh->sdp_mutex);
}
@ -5705,16 +5751,24 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
smh->mparams->cng_pt = 0;
}
if (!smh->payload_space) {
int i;
smh->payload_space = 98;
if (sdp_type == SDP_TYPE_REQUEST) {
switch_core_session_t *orig_session = NULL;
switch_core_session_get_partner(session, &orig_session);
for (i = 0; i < smh->mparams->num_codecs; i++) {
const switch_codec_implementation_t *imp = smh->codecs[i];
switch_payload_t orig_pt = 0;
smh->ianacodes[i] = imp->ianacode;
if (smh->ianacodes[i] > 64) {
@ -5725,7 +5779,15 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
smh->mparams->cng_pt && use_cng && smh->mparams->cng_pt == smh->payload_space) {
smh->payload_space++;
}
smh->ianacodes[i] = (switch_payload_t)smh->payload_space++;
if (orig_session &&
switch_core_session_get_payload_code(orig_session,
imp->codec_type == SWITCH_CODEC_TYPE_AUDIO ? SWITCH_MEDIA_TYPE_AUDIO : SWITCH_MEDIA_TYPE_VIDEO,
imp->iananame, NULL, &orig_pt) == SWITCH_STATUS_SUCCESS) {
smh->ianacodes[i] = orig_pt;
} else {
smh->ianacodes[i] = (switch_payload_t)smh->payload_space++;
}
}
@ -5739,6 +5801,10 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
SWITCH_FALSE);
}
if (orig_session) {
switch_core_session_rwunlock(orig_session);
}
}
}
@ -5850,13 +5916,13 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
if (switch_media_handle_test_media_flag(smh, SCMF_MULTI_ANSWER_AUDIO)) {
switch_mutex_lock(smh->mutex);
switch_mutex_lock(smh->sdp_mutex);
for (pmap = a_engine->cur_payload_map; pmap && pmap->allocated; pmap = pmap->next) {
if (pmap->pt != a_engine->cur_payload_map->pt) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), " %d", pmap->pt);
}
}
switch_mutex_unlock(smh->mutex);
switch_mutex_unlock(smh->sdp_mutex);
}
if ((smh->mparams->dtmf_type == DTMF_2833 || switch_media_handle_test_media_flag(smh, SCMF_LIBERAL_DTMF) ||
@ -5890,7 +5956,7 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
}
if (switch_media_handle_test_media_flag(smh, SCMF_MULTI_ANSWER_AUDIO)) {
switch_mutex_lock(smh->mutex);
switch_mutex_lock(smh->sdp_mutex);
for (pmap = a_engine->cur_payload_map; pmap && pmap->allocated; pmap = pmap->next) {
if (pmap->pt != a_engine->cur_payload_map->pt) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d %s/%ld\n",
@ -5898,7 +5964,7 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
pmap->rate);
}
}
switch_mutex_unlock(smh->mutex);
switch_mutex_unlock(smh->sdp_mutex);
}
@ -6169,13 +6235,13 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), " %d", v_engine->cur_payload_map->agreed_pt);
if (switch_media_handle_test_media_flag(smh, SCMF_MULTI_ANSWER_VIDEO)) {
switch_mutex_lock(smh->mutex);
switch_mutex_lock(smh->sdp_mutex);
for (pmap = v_engine->cur_payload_map; pmap && pmap->allocated; pmap = pmap->next) {
if (pmap->pt != v_engine->cur_payload_map->pt) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), " %d", pmap->pt);
}
}
switch_mutex_unlock(smh->mutex);
switch_mutex_unlock(smh->sdp_mutex);
}
} else if (smh->mparams->num_codecs) {
@ -6255,7 +6321,7 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
if (switch_media_handle_test_media_flag(smh, SCMF_MULTI_ANSWER_VIDEO)) {
switch_mutex_lock(smh->mutex);
switch_mutex_lock(smh->sdp_mutex);
for (pmap = v_engine->cur_payload_map; pmap && pmap->allocated; pmap = pmap->next) {
if (pmap->pt != v_engine->cur_payload_map->pt) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d %s/%ld\n",
@ -6263,7 +6329,7 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
}
}
switch_mutex_unlock(smh->mutex);
switch_mutex_unlock(smh->sdp_mutex);
}