Mirror/ZLMediaKit
1
0
Fork 0
mirror of https://github.com/ZLMediaKit/ZLMediaKit.git synced 2026-06-25 03:02:22 +08:00
Code Issues Packages Projects Releases Wiki Activity

支持SDP munging方式simulicast (#1639)

Browse Source
This commit is contained in:
mtdxc
2022-05-18 11:26:57 +08:00
committed by GitHub
parent ee15c571e0
commit 6cab65f7b0
2 changed files with 12 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
webrtc/WebRtcTransport.cpp
View File

@@ -463,6 +463,13 @@ void WebRtcTransportImp::onStartWebRTC() {
if (m_offer->rtp_rids.size() > index) {
//支持firefox的simulcast, 提前映射好ssrc和rid的关系
track->rtp_ext_ctx->setRid(ssrc.ssrc, m_offer->rtp_rids[index]);
} else {
// SDP munging没有rid, 它通过group-ssrc:SIM给出ssrc列表;
// 系统又要有rid，这里手工生成rid，并为其绑定ssrc
std::string rid = "r" + std::to_string(index);
track->rtp_ext_ctx->setRid(ssrc.ssrc, rid);
if(ssrc.rtx_ssrc)
track->rtp_ext_ctx->setRid(ssrc.rtx_ssrc, rid);
}
++index;
}