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ffmpegコマンドメモ

Last updated at Posted at 2017-03-29

フレームレートを変更する

オプション
-r (fps)
サンプル
$ ffmpeg -i input.mp4 -r 30 -c copy output.mp4

動画をクリッピングする

オプション
-filter:v "crop=(幅):(高さ):(左からの距離):(上からの距離)"
サンプル
$ ffmpeg -i input.mp4 -filter:v "crop=200:360:220:0" -c:a copy output.mp4
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