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视频音频合并
ffmpeg -i *.mp4 -i *.m4a -acodec copy -vcodec copy video.mp4
ffmpeg -i videoplayback.mp4 -i videoplayback.m4a -acodec copy -vcodec copy video.mp4
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commented Jul 19, 2017

ffmpeg -i videoplayback -i videoplayback.m4a -acodec copy -vcodec copy video.mp4

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commented Jul 25, 2017

ffmpeg -i a.mp4 -i a.m4a -acodec copy -vcodec copy video.mp4

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commented Aug 16, 2017

ffmpeg -i a -i a.m4a -acodec copy -vcodec copy video.mp4

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