21 lines
730 B
Plaintext
21 lines
730 B
Plaintext
# Print file metadata etc.
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ffmpeg -i path/to/file.ext
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# Convert all m4a files to mp3
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for f in *.m4a; do ffmpeg -i "$f" -acodec libmp3lame -vn -b:a 320k "${f%.m4a}.mp3"; done
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# Convert video
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# -g : GOP, for searchability
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ffmpeg -i input.ext -vcodec vp9 -acodec libopus -b:v 21000k -b:a 320k -g 150 -threads 4 output.ext
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# Convert image sequence to video
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ffmpeg -r 18 -pattern_type glob -i '*.png' -b:v 21000k -s hd1080 -vcodec vp9 -an -pix_fmt yuv420p -deinterlace output.ext
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# Listen to 10 seconds of audio from a video file
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#
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# -ss : start time
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# -t : seconds to cut
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# -autoexit : closes ffplay as soon as the audio finishes
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ffmpeg -ss 00:34:24.85 -t 10 -i path/to/file.mp4 -f mp3 pipe:play | ffplay -i pipe:play -autoexit
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