mkv 音频 ac3 转 aac

mkv 音频 ac3 转 aac

有些 mkv 音频编码是 ac3,小电视里面的芯片不支持,播不出来,得转换一下

mkv 音频 ac3 转 aac

ffmpeg -i *.mkv -vcodec copy -acodec aac out.mkv
ffmpeg -i *.mkv -vcodec copy -acodec aac -map 0:0 -map 0:1 -map 0:2 -map 0:3 out.mkv
ffmpeg -i *.mkv -vcodec copy -acodec aac -map 0:v -map 0:a out.mkv

查看所有文件信息

find ./ -name "*.mkv" -exec ffprobe "{}" \;

看看有哪些需要转换

批量转换

mkdir out
find ./ -name "*.mkv" -exec ffmpeg -i "{}" -c:v copy -c:a aac -map 0:v -map 0:a out/"{}" -n \;

貌似有些文件转换后不太正常。


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