Quote:
Originally Posted by DJATOM
We (Beatrice-Raws) also discovered some annoying bug with --aq-motion. It's easy to trigger that on the static background and a single moving object. Samples reproducing that issue here.
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Yes, I see the problem. There are 3 functions that make quality of the one butterfly on static background worse:
--aq-mode
--cutree
--aq-motion
All of them penalize CU with butterfly and the result is extremely low quality in one place. It should be some limit in x265 that if all 3 functions penalize one place, the applied quality penalty is not bigger than some MAX_PENALTY.
As a workaround we could use only 2 of these 3 functions and/or lower aq-strength.