From f6eb84b4130f159f8d30ecda4e877612d466d093 Mon Sep 17 00:00:00 2001
From: xiongziliang <771730766@qq.com>
Date: Sun, 16 May 2021 12:28:50 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0ssrc=E7=9B=B8=E5=85=B3?=
 =?UTF-8?q?=E6=96=B9=E6=B3=95?=
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---
 webrtc/Sdp.cpp | 14 ++++++++++++++
 webrtc/Sdp.h   |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/webrtc/Sdp.cpp b/webrtc/Sdp.cpp
index 03cb5e9a..299655e4 100644
--- a/webrtc/Sdp.cpp
+++ b/webrtc/Sdp.cpp
@@ -1284,6 +1284,20 @@ const RtcCodecPlan *RtcMedia::getRelatedRtxPlan(uint8_t pt) const{
     return nullptr;
 }
 
+uint32_t RtcMedia::getRtpSSRC() const {
+    if (rtp_rtx_ssrc.size()) {
+        return rtp_rtx_ssrc[0].ssrc;
+    }
+    return 0;
+}
+
+uint32_t RtcMedia::getRtxSSRC() const {
+    if (rtp_rtx_ssrc.size() > 1) {
+        return rtp_rtx_ssrc[1].ssrc;
+    }
+    return 0;
+}
+
 void RtcMedia::checkValid() const{
     CHECK(type != TrackInvalid);
     CHECK(!mid.empty());
diff --git a/webrtc/Sdp.h b/webrtc/Sdp.h
index 1ddfce94..6ed2710a 100644
--- a/webrtc/Sdp.h
+++ b/webrtc/Sdp.h
@@ -645,6 +645,8 @@ public:
     const RtcCodecPlan *getPlan(uint8_t pt) const;
     const RtcCodecPlan *getPlan(const char *codec) const;
     const RtcCodecPlan *getRelatedRtxPlan(uint8_t pt) const;
+    uint32_t getRtpSSRC() const;
+    uint32_t getRtxSSRC() const;
 };
 
 class RtcSession{