[x265] [PATCH 1 of 3] Chroma QP Offset: increase chroma QP when psy-rd is enabled

[Derek Buitenhuis]

On 6/25/2014 3:45 PM, Deepthi Nandakumar wrote:
> In a sense, psy-rd encapsulates all those r-d algorithms/tweaks/hacks that improve visual quality but may hurt objective metrics like psnr/ssim.
> In 444, this qp hack is likely to hurt objective metrics, hence it's turned on only if psychovisual improvement is desired.

OK.

Was curious, since these are not lumped in with psy-rd in x264.

- Derek