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janus: ssrc per client

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This commit is contained in:
Maxim Devaev
2026-05-31 07:11:44 +03:00
parent 9fe42b038a
commit 4dc0f73e1b
7 changed files with 55 additions and 41 deletions
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37
janus/src/sdp.c
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@@ -34,12 +34,12 @@
#include "rtpa.h"
char *us_sdp_create(us_rtpv_s *rtpv, us_rtpa_s *rtpa, bool mic) {
char *us_sdp_create(u32 video_ssrc, u32 audio_ssrc, bool acap, bool aplay) {
char *video_sdp;
{
// https://tools.ietf.org/html/rfc6184
// https://github.com/meetecho/janus-gateway/issues/2443
const uint pl = rtpv->rtp->payload;
const uint pl = US_RTP_H264_PAYLOAD;
US_ASPRINTF(
video_sdp,
"m=video 1 RTP/SAVPF %u" RN
@@ -58,31 +58,20 @@ char *us_sdp_create(us_rtpv_s *rtpv, us_rtpa_s *rtpa, bool mic) {
"a=extmap:3/sendonly http://www.webrtc.org/experiments/rtp-hdrext/abs-capture-time" RN
"a=sendonly" RN,
pl, pl, pl, pl, pl, pl, pl,
rtpv->rtp->ssrc);
video_ssrc);
}
char *audio_sdp;
if (rtpa == NULL) {
audio_sdp = us_strdup("");
} else {
if (acap || aplay) {
const uint pl = US_RTP_OPUS_PAYLOAD;
if (rtpa != NULL || mic) {
uint pl;
u32 ssrc;
if (rtpa != NULL) {
pl = rtpa->rtp->payload;
ssrc = rtpa->rtp->ssrc;
} else {
pl = US_RTP_OPUS_PAYLOAD;
ssrc = us_triple_u32(us_get_now_monotonic_u64());
}
char *dir = "sendrecv";
if (rtpa == NULL) {
dir = "recvonly";
} else if (!mic) {
char *dir = "";
if (acap && aplay) {
dir = "sendrecv";
} else if (acap && !aplay) {
dir = "sendonly";
} else if (!acap && aplay) {
dir = "recvonly";
}
US_ASPRINTF(
@@ -98,8 +87,10 @@ char *us_sdp_create(us_rtpv_s *rtpv, us_rtpa_s *rtpa, bool mic) {
pl, pl,
US_RTP_OPUS_HZ, US_RTP_OPUS_CH,
pl,
ssrc,
audio_ssrc,
dir);
} else {
audio_sdp = us_strdup("");
}
char *sdp;