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FS-7499 add tmmbr negotiation to sdp

This commit is contained in:
Anthony Minessale 2015-05-14 18:01:22 -05:00 committed by Michael Jerris
parent cc9a225bb9
commit a8c1341f42
2 changed files with 34 additions and 6 deletions
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1
src/include/switch_types.h
View File

@ -750,6 +750,7 @@ typedef enum {
SWITCH_RTP_FLAG_RESET,
SWITCH_RTP_FLAG_MUTE,
SWITCH_RTP_FLAG_NACK,
SWITCH_RTP_FLAG_TMMBR,
SWITCH_RTP_FLAG_INVALID
} switch_rtp_flag_t;

39
src/switch_core_media.c
View File

@ -155,6 +155,7 @@ typedef struct switch_rtp_engine_s {
uint8_t fir;
uint8_t pli;
uint8_t nack;
uint8_t tmmbr;
uint8_t no_crypto;
switch_codec_settings_t codec_settings;
switch_media_flow_t rmode;
@ -4399,6 +4400,10 @@ SWITCH_DECLARE(uint8_t) switch_core_media_negotiate_sdp(switch_core_session_t *s
if (switch_stristr("nack", attr->a_value)) {
v_engine->nack++;
}
if (switch_stristr("tmmbr", attr->a_value)) {
v_engine->tmmbr++;
}
smh->mparams->rtcp_video_interval_msec = SWITCH_RTCP_VIDEO_INTERVAL_MSEC;
}
@ -6278,6 +6283,10 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_activate_rtp(switch_core_sessi
flags[SWITCH_RTP_FLAG_NACK]++;
}
if (v_engine->tmmbr) {
flags[SWITCH_RTP_FLAG_TMMBR]++;
}
v_engine->rtp_session = switch_rtp_new(a_engine->local_sdp_ip,
v_engine->local_sdp_port,
v_engine->cur_payload_map->remote_sdp_ip,
@ -6896,10 +6905,26 @@ SWITCH_DECLARE(void)switch_core_media_set_local_sdp(switch_core_session_t *sessi
if (smh->sdp_mutex) switch_mutex_unlock(smh->sdp_mutex);
}
void add_fb(char *buf, uint32_t buflen, int pt, int fir, int nack, int pli)
static void add_fb(char *buf, uint32_t buflen, int pt, int fir, int nack, int pli, int tmmbr)
{
const char *zfir = "";
const char *ztmmbr = "";
char *sp = "";
if (fir) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtcp-fb:%d ccm fir\n", pt);
zfir = "fir";
}
if (tmmbr) {
ztmmbr = "tmmbr";
}
if (fir && tmmbr) {
sp = " ";
}
if (fir) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtcp-fb:%d ccm %s%s%s\n", pt, zfir, sp, ztmmbr);
}
if (nack) {
@ -6947,7 +6972,7 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
int is_outbound = switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_OUTBOUND;
const char *vbw;
int bw = 256;
uint8_t fir = 0, nack = 0, pli = 0;
uint8_t fir = 0, nack = 0, pli = 0, tmmbr = 0;
switch_assert(session);
@ -7739,6 +7764,7 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
fir++;
pli++;
nack++;
tmmbr++;
}
/* DFF nack pli etc */
@ -7747,13 +7773,14 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
if (v_engine->codec_negotiated) {
add_fb(buf, SDPBUFLEN, v_engine->cur_payload_map->agreed_pt, v_engine->fir || fir, v_engine->nack || nack, v_engine->pli || pli);
add_fb(buf, SDPBUFLEN, v_engine->cur_payload_map->agreed_pt, v_engine->fir || fir,
v_engine->nack || nack, v_engine->pli || pli, v_engine->tmmbr || tmmbr);
if (switch_media_handle_test_media_flag(smh, SCMF_MULTI_ANSWER_VIDEO)) {
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 && pmap->negotiated) {
add_fb(buf, SDPBUFLEN, pmap->pt, v_engine->fir || fir, v_engine->nack || nack, v_engine->pli || pli);
add_fb(buf, SDPBUFLEN, pmap->pt, v_engine->fir || fir, v_engine->nack || nack, v_engine->pli || pli, v_engine->tmmbr || tmmbr);
}
}
switch_mutex_unlock(smh->sdp_mutex);
@ -7782,7 +7809,7 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
already_did[smh->ianacodes[i]] = 1;
}
add_fb(buf, SDPBUFLEN, smh->ianacodes[i], v_engine->fir || fir, v_engine->nack || nack, v_engine->pli || pli);
add_fb(buf, SDPBUFLEN, smh->ianacodes[i], v_engine->fir || fir, v_engine->nack || nack, v_engine->pli || pli, v_engine->pli || pli);
}
}