From 8bbd9d57c0c90616c0d0e0a11205f14301310b1b Mon Sep 17 00:00:00 2001
From: xiongziliang <771730766@qq.com>
Date: Wed, 17 Jul 2019 15:23:54 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=94=B9ssrc=E7=94=9F=E6=88=90?=
 =?UTF-8?q?=E8=A7=84=E5=88=99?=
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---
 src/Extension/Factory.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Extension/Factory.cpp b/src/Extension/Factory.cpp
index 1658f0df..276f88b7 100644
--- a/src/Extension/Factory.cpp
+++ b/src/Extension/Factory.cpp
@@ -119,7 +119,8 @@ RtpCodec::Ptr Factory::getRtpEncoderBySdp(const Sdp::Ptr &sdp) {
     GET_CONFIG(uint32_t,audio_mtu,Rtp::kAudioMtuSize);
     GET_CONFIG(uint32_t,video_mtu,Rtp::kVideoMtuSize);
     // ssrc不冲突即可
-    uint32_t ssrc = ((uint64_t) sdp.get()) & 0xFFFFFFFF;
+    static atomic_int32_t s_ssrc(0x10000000);
+    uint32_t ssrc = ++s_ssrc;
     auto mtu = (sdp->getTrackType() == TrackVideo ? video_mtu : audio_mtu);
     auto sample_rate = sdp->getSampleRate();
     auto pt = sdp->getPlayloadType();