Convert mp4 to mp3 + calling command line programs from Processing

Hi! I was asked how to get the audio out of a video file, so I shared this little program:

https://github.com/hamoid/Fun-Programming/blob/master/processing/ideas/2017/05/extractAudioWithFfmpeg/extractAudioWithFfmpeg.pde

It also serves as an example of calling any command line program. There's thousands of command line programs to do all kinds of audio, video and image manipulation. It's like a massive Processing library :) A bit geeky, but powerful.

Some media related command line tools:

What other tools should be in this list?

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