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ffmpeg で mp4 を mp3 に変換する

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Mac で ffmpeg を使用して mp4 を mp3 に変換する。

動作環境

  • Mac OS X 10.10
  • homebrew 0.9.5
  • ffmpeg 2.6.2

ffmpeg のインストール

brew install ffmpeg --with-tools

mp4 を mp3 に変換

cd [mp4があるディレクトリ]
find . -type f -name "*.mp4" -print0 | perl -pe 's/\.mp4\0/\0/g' | xargs -0 -I% ffmpeg -i %.mp4 -acodec libmp3lame -ab 256k %.mp3
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