Quote:
Originally Posted by Asmodian
You do get different chroma... whether or not it is worse is more debatable. In testing it does seem better to handle chroma the same as luma but it is one of the least loss of quality options in trade quality for performance.
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I was also very interested in this question, so I did some tests.
Pic 1 - "scale chroma separately, if it saves performance" - OFF
Pic 2 - "scale chroma separately, if it saves performance" - ON
As you can see, double conversion of chroma noticeably degrades image quality. Correct me, please, if I did something wrong.