tldr/pages/common/ffmpeg.md

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# ffmpeg
> Video conversion tool.
- Extract the sound from a video and save it as MP3:
`ffmpeg -i {{video.mp4}} {{sound}}.mp3`
- Convert frames from a video or GIF into individual numbered images:
`ffmpeg -i {{video.mpg|video.gif}} {{frame_%d.png}}`
- Combine numbered images (frame_1.jpg, frame_2.jpg, etc) into a video or GIF:
`ffmpeg -i {{frame_%d.jpg}} -f image2 {{video.mpg|video.gif}}`
- Extract a single frame from a video at time mm:ss and save it as a 128x128 resolution image:
`ffmpeg -i {{video.mp4}} -ss {{mm:ss}} -frames 1 -s {{128x128}} -f image2 {{image.png}}`
- Convert AVI video to MP4. AAC Audio @ 128kbit, Video @ 1250Kbit:
`ffmpeg -i {{input_video}}.avi -acodec libfaac -ab 128k -vcodec mpeg4 -b 1250K {{output_video}}.mp4`