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RTC: Compatible with SSRC without mslabel.

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jinxue.cgh 2020-09-23 19:59:35 +08:00 • committed by winlin
parent fb6c2fdf80
commit dc3756b8b2
1 changed files with 25 additions and 0 deletions
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25
trunk/src/app/srs_app_rtc_sdp.cpp
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@ -769,6 +769,31 @@ srs_error_t SrsSdp::parse(const std::string& sdp_str)
}
}
// The msid/tracker/mslabel is optional for SSRC, so we copy it when it's empty.
for (std::vector<SrsMediaDesc>::iterator iter = media_descs_.begin(); iter != media_descs_.end(); ++iter) {
SrsMediaDesc& media_desc = *iter;
for (size_t i = 0; i < media_desc.ssrc_infos_.size(); ++i) {
SrsSSRCInfo& ssrc_info = media_desc.ssrc_infos_.at(i);
if (ssrc_info.msid_.empty()) {
ssrc_info.msid_ = media_desc.msid_;
}
if (ssrc_info.msid_tracker_.empty()) {
ssrc_info.msid_tracker_ = media_desc.msid_tracker_;
}
if (ssrc_info.mslabel_.empty()) {
ssrc_info.mslabel_ = media_desc.msid_;
}
if (ssrc_info.label_.empty()) {
ssrc_info.label_ = media_desc.msid_tracker_;
}
}
}
return err;
}