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目前是相同音轨也执行切换,导致后续切换崩溃。
另外,切换音轨后音频时钟没有校正,存在音视频不同步。
关联issue:
#509
#728
#1023
#3811
#3964
#4443
处理方案:判断stream id,相同音轨不执行切换;
切换后seek回上一个关键帧,来校正音频时钟,做音视频同步播放。