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Code Issues Releases Wiki Activity

RTC: Add negotiate play by desc

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This commit is contained in:
winlin 2020-08-06 16:21:52 +08:00
parent ffeb3a8c46
commit 9f2aaef283
2 changed files with 45 additions and 0 deletions
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43
trunk/src/app/srs_app_rtc_conn.cpp
View file

@ -2758,6 +2758,49 @@ srs_error_t SrsRtcConnection::negotiate_play_capability(SrsRequest* req, const S
return err;
}
srs_error_t SrsRtcConnection::negotiate_play_capability(SrsRequest* req, SrsRtcStreamDescription* req_stream_desc,
std::map<uint32_t, SrsRtcTrackDescription*>& sub_relations)
{
srs_error_t err = srs_success;
bool nack_enabled = _srs_config->get_rtc_nack_enabled(req->vhost);
bool twcc_enabled = _srs_config->get_rtc_twcc_enabled(req->vhost);
SrsRtcStream* source = NULL;
if ((err = _srs_rtc_sources->fetch_or_create(req, &source)) != srs_success) {
return srs_error_wrap(err, "fetch rtc source");
}
std::vector<SrsRtcTrackDescription*> src_track_descs;
//negotiate audio media
if(NULL != req_stream_desc->audio_track_desc_) {
src_track_descs = source->get_track_desc("audio", "opus");
if (src_track_descs.size() > 0) {
// FIXME: use source sdp or subscribe sdp? native subscribe may have no sdp
SrsRtcTrackDescription *track = src_track_descs[0]->copy();
sub_relations.insert(make_pair(track->ssrc_, track));
track->ssrc_ = SrsRtcSSRCGenerator::instance()->generate_ssrc();
}
}
//negotiate audio media
std::vector<SrsRtcTrackDescription*> req_video_tracks = req_stream_desc->video_track_descs_;
src_track_descs = source->get_track_desc("video", "h264");
for(int i = 0; i < req_video_tracks.size(); ++i) {
SrsRtcTrackDescription* req_video = req_video_tracks.at(i);
for(int j = 0; j < src_track_descs.size(); ++j) {
SrsRtcTrackDescription* src_video = src_track_descs.at(j);
if(req_video->id_ == src_video->id_) {
// FIXME: use source sdp or subscribe sdp? native subscribe may have no sdp
SrsRtcTrackDescription *track = src_video->copy();
sub_relations.insert(make_pair(track->ssrc_, track));
track->ssrc_ = SrsRtcSSRCGenerator::instance()->generate_ssrc();
}
}
}
return err;
}
srs_error_t SrsRtcConnection::fetch_source_capability(SrsRequest* req, std::map<uint32_t, SrsRtcTrackDescription*>& sub_relations)
{
srs_error_t err = srs_success;

2
trunk/src/app/srs_app_rtc_conn.hpp
View file

@ -419,7 +419,9 @@ private:
srs_error_t negotiate_publish_capability(SrsRequest* req, const SrsSdp& remote_sdp, SrsRtcStreamDescription* stream_desc);
srs_error_t generate_publish_local_sdp(SrsRequest* req, SrsSdp& local_sdp, SrsRtcStreamDescription* stream_desc);
// play media capabilitiy negotiate
//TODO: Use StreamDescription to negotiate and remove first negotiate_play_capability function
srs_error_t negotiate_play_capability(SrsRequest* req, const SrsSdp& remote_sdp, std::map<uint32_t, SrsRtcTrackDescription*>& sub_relations);
srs_error_t negotiate_play_capability(SrsRequest* req, SrsRtcStreamDescription* req_stream_desc, std::map<uint32_t, SrsRtcTrackDescription*>& sub_relations);
srs_error_t fetch_source_capability(SrsRequest* req, std::map<uint32_t, SrsRtcTrackDescription*>& sub_relations);
srs_error_t generate_play_local_sdp(SrsRequest* req, SrsSdp& local_sdp, SrsRtcStreamDescription* stream_desc);
srs_error_t create_player(SrsRequest* request, std::map<uint32_t, SrsRtcTrackDescription*> sub_relations);