From b2fe3cd05da0f3c60e08b919e22686213565f63a Mon Sep 17 00:00:00 2001
From: xiongziliang <771730766@qq.com>
Date: Sun, 26 Apr 2020 11:25:25 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8A=A0=E9=94=81?=
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---
 src/Common/MediaSink.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Common/MediaSink.cpp b/src/Common/MediaSink.cpp
index 53697a56..49e6ad99 100644
--- a/src/Common/MediaSink.cpp
+++ b/src/Common/MediaSink.cpp
@@ -77,6 +77,7 @@ void MediaSink::checkTrackIfReady_l(const Track::Ptr &track){
 }
 
 void MediaSink::checkTrackIfReady(const Track::Ptr &track){
+    lock_guard<recursive_mutex> lck(_mtx);
     if (!_allTrackReady && !_trackReadyCallback.empty()) {
         if (track) {
             checkTrackIfReady_l(track);