WHAT I WANT TO DO : generate a video (animated waveform/spectrum) of an audio.
CONTEXT : web platform (linux web server) were users upload files to a multimedia library (all conversions are automated via command lines).
I KNOW : to use ffmpeg to generate a fixed image with the waveformQUESTION : is there a way via command line to make it like a animated audio reacting spectrum ?HTML Code:-filter_complex "showwavespic=s=963x369:scale=sqrt:colors=#00d7fe"
I SAW : this post https://forum.videohelp.com/threads/393114-Generating-animated-frequency-spectrum-bars...audio-to-video => but the proposed solutions are windows with a user interface. I want a command-line without user interface solution. it could be ffmpeg or other...
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I managed to create a .mp4 of both
showwaves => https://www.stubfeed.com/media/ownchunx/15223756184271/15223757187185/showwaves.mp4
python seewav => https://www.stubfeed.com/media/ownchunx/15223756184271/15223757187185/15223757187185_stubwav.mp4
I prefer seewav : more smooth, but that is only an opinion.