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ffmpeg

Video conversion tool.

Extract the sound from a video and save it as MP3:

ffmpeg -i {{video-filename}} -vn -ar 44100 -ac 2 -ab 192 -f mp3 {{sound.mp3}}

Convert frames from a video into individual numbered images:

ffmpeg -i {{video-filename}} {{image%d.png}}

Combine numbered images (image1.jpg, image2.jpg, etc) into a video:

ffmpeg -f image2 -i {{image%d.jpg}} {{video.mpg}}

Convert AVI video to MP4. AAC Audio @ 128kbit, Video @ 1250Kbit:

ffmpeg -i {{in.avi}} -acodec libfaac -ab 128k -vcodec mpeg4 -b 1250K {{out.mp4}}