Ffmpeg transcoding profile - native and through plugin

PeerTube
5

Ok, thanks for your tip Chocobozzz, it’s now working.

So for other interested, you have to :

  • install the plugin « Transcode custom quality »

  • in the parameters of the plugin, choose a value. Here are the value found inside the code (it could be interresting to write it in the READ ME of the plugin :

options: [
      { label: 'Default', value: 23 },
      { label: 'Good', value: 20 },
      { label: 'Very good', value: 17 },
      { label: 'Excellent', value: 14 }
  • and lastly choose « custom-profile » in Admin → Configuration → VOD transcoding → Transcoding profile

For info, during my test, the same short video weight 38 Mo with the default profile, 59 Mo with the Very Good value (which is a little better than the crf=18 that ffmpeg documentation considers as a visual lossless compression), and 75 Mo with Excellent value.

Thanks for your help on this.
Eric

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