[FFmpeg-devel] [PATCH] swscale: use full chroma input for point scaler

Jason Garrett-Glaser darkshikari
Fri Sep 17 21:41:03 CEST 2010


On Fri, Sep 17, 2010 at 4:57 AM, Michael Niedermayer <michaelni at gmx.at> wrote:
> On Wed, Sep 15, 2010 at 09:58:58PM -0300, Ramiro Polla wrote:
>> Hi,
>>
>> I understand dropping every other pixel for chroma calculation for
>> fast_bilinear for speed reasons, but why also for point?
>>
>> Ramiro Polla
>
>> ?utils.c | ? ?2 +-
>> ?1 file changed, 1 insertion(+), 1 deletion(-)
>> 3130c0074ba9136dd24dbd2eb15a3b1bee38e52f ?chroma_rgb_point.diff
>
> what effect on
> speed
> quality (any unexpected worsening?)
>
> does this have

For quality, it fixes this:

http://doom10.org/index.php?topic=585.0

Dark Shikari



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