From 6514be74f1c08262f3eaeb375c371da3870cf436 Mon Sep 17 00:00:00 2001
From: xiongziliang <771730766@qq.com>
Date: Mon, 15 Jan 2024 20:34:17 +0800
Subject: [PATCH] Prevent access to nullptr when cloning a track

---
 src/Common/MediaSink.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Common/MediaSink.cpp b/src/Common/MediaSink.cpp
index 3fc5a9ea..837024af 100644
--- a/src/Common/MediaSink.cpp
+++ b/src/Common/MediaSink.cpp
@@ -37,6 +37,7 @@ bool MediaSink::addTrack(const Track::Ptr &track_in) {
     }
     // 克隆Track，只拷贝其数据，不拷贝其数据转发关系
     auto track = track_in->clone();
+    CHECK(track, "Clone track failed: ", track_in->getCodecName());
     auto index = track->getIndex();
     if (!_track_map.emplace(index, std::make_pair(track, false)).second) {
         WarnL << "Already add a same track: " << track->getIndex() << ", codec: " << track->getCodecName();