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August 30, 2022 11:38
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re-encode videos to H.265, specifying source and target container format (fish shell)
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| set FROM_EXT mp4 | |
| set TO_EXT mkv | |
| set ABR 128k | |
| set CRF 22 | |
| for i in *.$FROM_EXT | |
| set BASENAME (basename $i .$FROM_EXT) | |
| set DIRNAME (dirname $i) | |
| nice -n 19 time ffmpeg -i "$DIRNAME/$BASENAME.$FROM_EXT" -vcodec libx265 -crf $CRF -ac 2 -c:a libmp3lame -b:a $ABR output.$TO_EXT; and \ | |
| mv output.$TO_EXT "$DIRNAME/$BASENAME.$TO_EXT"; and \ | |
| rm "$i" | |
| end |
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Audio is recoded too - target audio is hardcoded to mp3 stereo here (
-ac 2: 2 channels,-c:a libmp3lame: use mp3lame encoder for audio).