[FFmpeg-devel] [PATCH v2] swscale/ppc: VSX-optimize yuv2rgb_full

[Carl Eugen Hoyos]

2019-03-20 16:06 GMT+01:00, Lauri Kasanen <cand at gmx.com>:
> On Wed, 20 Mar 2019 15:51:20 +0100
> Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
>
>> 2019-03-20 15:06 GMT+01:00, Lauri Kasanen <cand at gmx.com>:
>>
>> > +            case AV_PIX_FMT_BGRA:
>> > +                if (HAVE_POWER8 && cpu_flags & AV_CPU_FLAG_POWER8) {
>> > +                    if (!c->needAlpha) {
>> > +                        c->yuv2packed1 = yuv2bgrx32_full_1_vsx;
>>
>> If only non-alpha is supported, I would have expected the
>> exact same function to also work for AV_PIX_FMT_BGR0.
>
> I'll check that, and RGB0 as well.

> Is there an easy way to generate an alpha test source?

Samples can be found in some tickets:
https://trac.ffmpeg.org/ticket/503
https://trac.ffmpeg.org/ticket/644

But you don't need transparency to test BGR0...

Carl Eugen