[FFmpeg-devel] [PATCH] avfilter: drawutils >8 bit support

[Paul B Mahol]

On 2/17/16, Paul B Mahol <onemda at gmail.com> wrote:
> On 2/17/16, Nicolas George <george at nsup.org> wrote:
>> Le nonidi 29 pluviose, an CCXXIV, Paul B Mahol a ecrit :
>>> For default size, it goes from ~122 to ~112 realtime, for bigger size
>>> difference is even smaller.
>>
>> That makes ~10% for the default size, that is not negligible at all.
>> Overlaying complex ASS subtitles could take a serious hit. I would have
>> objected on this basis if you had posted the benchmark before pushing.
>
> I will see how much overlaying ASS costs now.
>

With ass filter and first subtitle I have I overlayed it onto color black
source and with this patch it is slightly faster then before it.

I think the main reason why testsrc2 is slower is because of
ff_blend_rectangle()