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tldr/pages/common/ffmpeg.md
lord63 56a7cba656 Fix lint for common
2015-10-23 08:02:34 +08:00

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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}}