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liger1978/ffmpeg.sh

Created November 7, 2021 16:48
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ffmpeg.sh
# Copy all tracks but re-encode audio to ac3
/opt/ffmpeg/ffmpeg -i input.mkv -map 0 -c copy -c:a ac3 -b:a 640k output.mkv
# Copy all tracks but re-encode audio to ac3 (when downmixing 7.1 to 5.1)
/opt/ffmpeg/ffmpeg -i input.mkv -map 0 -c copy -c:a ac3 -b:a 640k -center_mixlev 0.707 output.mkv
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