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February 5, 2021 16:27
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FFmpeg converting m4a, wav files to mp3 examples.
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| ffmpeg -i in.m4a -codec:a libmp3lame -qscale:a 2 out.mp3 | |
| ffmpeg -i in.wav -codec:a libmp3lame -qscale:a 2 out.mp3 | |
| ffmpeg -i in.m4v -vcodec copy -acodec copy out.mp4 | |
| # Dealing in bulk mode, origin: https://stackoverflow.com/a/33766147/552540 | |
| for i in *.wav; do ffmpeg -i "$i" -codec:a libmp3lame -qscale:a 2 "${i%.*}.mp3"; done |
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| # show media file info | |
| ffmpeg -i in.mp4 | |
| # find video track ID and set as -map param value | |
| ffmpeg -i in.mp4 -map 0:0 -vcodec copy out-wo-audio.mp4 |
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| # speed factor -> +50% | |
| ffmpeg -i in.mp4 -vf "setpts=(PTS-STARTPTS)/1.5" -crf 18 out.mp4 |
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