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Opened 21 months ago

Last modified 19 months ago

#2061 closed enhancement

picture encoding heuristics tweaks — at Initial Version

Reported by: Antoine Martin Owned by: Antoine Martin
Priority: major Milestone: 2.5
Component: encodings Version: 2.4.x
Keywords: Cc:


Based on log samples from #2029, #2022 and others:

  • maybe use x264 ahead of vpx in more cases (changes to "size-efficiency" attribute?): the bandwidth cost of vp8 / vp9 varies more (which hurts bandwidth management) and / or encode faster (currently double that of x264 at similar speed settings)
  • take min-speed and min-quality into account when calculation their corollary
  • ensure we don't choose YUV444P csc step
  • always try to maintain 25fps, drop speed and quality to try to achieve it

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