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bluefeet/ffmpeg-ninja-audio.sh

Last active February 26, 2019 06:18
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ffmpeg-ninja-audio.sh
ffmpeg \
-i video.mkv \ # Great video, japanese audio.
-itsoffset -1.0 \ # audio.mp4 is behind by 1 second.
-i audio.mp4 \ # Bad video, english audio.
-map 0:v:0 \ # Video from file 0 (video.mkv).
-map 1:a:0 \ # English audio from file 1 (audio.mp4).
-map 0:a:0 \ # Japanese audio from file 0.
-c copy \ # Don't convert anything, just copy the streams.
new.mkv # Great video, and with both japanese and english audio tracks.
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