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@mkleucker mkleucker/ffmpeg.md
Last active Aug 29, 2015

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What would you like to do?
Simple video conversion to create videos compatible with various browser and devices. Uses ffmpeg on a Mac. Source material is supposed to be a higher quality h.264 video.

Resize a video to 480p w/ max. bitrate of 750k

ffmpeg -i video-raw.mp4 -codec:v libx264 -profile:v main -preset slow -b:v 750k -maxrate 750k -bufsize 1000k -vf scale=720:480 -threads 0 -codec:a libfaac -acodec libfaac -ac 2 -ar 44100 -ab 128k video.mp4

Change only the quality of a video

ffmpeg -i video-raw.mp4 -codec:v libx264 -profile:v main -preset slow -b:v 1000k -maxrate 1000k -bufsize 2000k -threads 0 -codec:a libfaac -acodec libfaac -ac 2 -ar 44100 -ab 128k video.mp4

Convert MP4 to WebM

ffmpeg -i video-raw.mp4 -c:v libvpx -b:v 800k -c:a libvorbis video.webm

Convert MP4 to OGV

ffmpeg -i video-raw.mp4 -c:v libtheora -c:a libvorbis -q:v 6 -q:a 5 video.ogv
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