From c493f0da1bb18811a2a42d10b09554de8dc2aadb Mon Sep 17 00:00:00 2001
From: ziyue <1213642868@qq.com>
Date: Mon, 27 Sep 2021 14:12:11 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E5=96=84=E6=B7=BB=E5=8A=A0=E9=9D=99?=
 =?UTF-8?q?=E9=9F=B3=E9=9F=B3=E9=A2=91=E7=9B=B8=E5=85=B3=E5=8A=9F=E8=83=BD?=
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---
 src/Common/MediaSink.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Common/MediaSink.cpp b/src/Common/MediaSink.cpp
index 0e8ee018..3c298d1f 100644
--- a/src/Common/MediaSink.cpp
+++ b/src/Common/MediaSink.cpp
@@ -46,8 +46,10 @@ 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 track_type = track->getTrackType();
-    //确保添加非静音音频track时，取消之前的静音音频track
-    _mute_audio_maker = nullptr;
+    if (track_type == TrackAudio) {
+        //确保添加非静音音频track时，取消之前的静音音频track
+        _mute_audio_maker = nullptr;
+    }
     _track_map[track_type] = track;
     _track_ready_callback[track_type] = [this, track]() {
         onTrackReady(track);