From e84d16213c98404db88c265bde2be68fe89d84a8 Mon Sep 17 00:00:00 2001
From: xia-chu <771730766@qq.com>
Date: Sat, 8 May 2021 15:01:30 +0800
Subject: [PATCH] =?UTF-8?q?sdp=E4=B8=AD=E6=B7=BB=E5=8A=A0msid=E5=B1=9E?=
 =?UTF-8?q?=E6=80=A7?=
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---
 webrtc/Sdp.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/webrtc/Sdp.cpp b/webrtc/Sdp.cpp
index a178ce35..f50f3b63 100644
--- a/webrtc/Sdp.cpp
+++ b/webrtc/Sdp.cpp
@@ -1098,6 +1098,16 @@ RtcSessionSdp::Ptr RtcSession::toRtcSessionSdp() const{
                 }
             }
 
+            if (!m.rtp_ssrc.empty()) {
+                auto msid = std::make_shared<SdpAttrMsid>();
+                if (!m.rtp_ssrc.msid.empty()) {
+                    msid->parse(m.rtp_ssrc.msid);
+                } else {
+                    msid->parse("mslabel label");
+                }
+                sdp_media.items.emplace_back(wrapSdpAttr(std::move(msid)));
+            }
+
             if (!m.rtp_ssrc.empty() && !m.rtx_ssrc.empty()) {
                 auto group = std::make_shared<SdpAttrSSRCGroup>();
                 group->type = "FID";