[FFmpeg-devel] [PATCH v3] swscale/unscaled: correctly round yuv2yuv when not dithering

[Michael Niedermayer]

Hi Niklas

On Fri, Dec 20, 2024 at 12:24:05PM +0100, Niklas Haas wrote:
> From: Niklas Haas <git at haasn.dev>
> 
> We should at least bias towards the nearest integer, instead of always
> rounding down, when not dithering. This is a bit more correct.
> 
> The FATE changes are only in the cases where sws_dither was explicitly set
> to "none", which is exactly as expected.
> 
> Signed-off-by: Niklas Haas <git at haasn.dev>
> Sponsored-by: Sovereign Tech Fund
> ---
>  libswscale/swscale_unscaled.c          | 22 ++++++++++++----------
>  tests/ref/pixfmt/yuv444p10-yuv444p     |  2 +-
>  tests/ref/pixfmt/yuv444p12-yuv444p     |  2 +-
>  tests/ref/pixfmt/yuv444p12-yuv444p10be |  2 +-
>  tests/ref/pixfmt/yuv444p12-yuv444p10le |  2 +-
>  5 files changed, 16 insertions(+), 14 deletions(-)

should be ok

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

While the State exists there can be no freedom; when there is freedom there
will be no State. -- Vladimir Lenin
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