From 1c73be2e3f6086ebdf0e6934d77dec24a3a1f035 Mon Sep 17 00:00:00 2001
From: xia-chu <771730766@qq.com>
Date: Sat, 9 Dec 2023 21:04:07 +0800
Subject: [PATCH] =?UTF-8?q?MediaSink=E5=BF=BD=E7=95=A5=E9=87=8D=E5=A4=8D?=
 =?UTF-8?q?=E7=9A=84track?=
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---
 src/Common/MediaSink.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Common/MediaSink.cpp b/src/Common/MediaSink.cpp
index 5dcc841d..18e0ce7c 100644
--- a/src/Common/MediaSink.cpp
+++ b/src/Common/MediaSink.cpp
@@ -38,7 +38,10 @@ 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();
     auto index = track->getIndex();
-    _track_map[index] = std::make_pair(track, false);
+    if (!_track_map.emplace(index, std::make_pair(track, false)).second) {
+        WarnL << "Already add a same track: " << track->getIndex() << ", codec: " << track->getCodecName();
+        return false;
+    }
     _track_ready_callback[index] = [this, track]() {
         onTrackReady(track);
     };