[FFmpeg-devel] [PATCH] libswscale/swscale_unscaled.c: UHD Resolution Performance Increase for Color Space Convertions / NVENC Related

[Ali KIZIL]

2016-10-03 14:09 GMT+03:00 Carl Eugen Hoyos <ceffmpeg at gmail.com>:

> 2016-10-03 12:48 GMT+02:00 Ali KIZIL <alikizil at gmail.com>:
>
> > Yes, Alpha channel is not managed.
> >
> > So it should be;
> >
> >> +    /* yuv422p10_to_yuv420p */
> >> +    if ((srcFormat == AV_PIX_FMT_YUV422P10) &&
> >> +        (dstFormat == AV_PIX_FMT_YUV420P))
> >> +        c->swscale = yuv422p10ToYuv420pWrapper;
>
> (Apart from "too many parenthesis")
> I would prefer if alpha gets handled.
>
> Carl Eugen
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Hello Carl,

Got it. I dont have any source with alpha. Even I do blind coding, I am not
sure if it will be working OK.
So, maybe it will be a better idea that if someone improve code for alpha
channel.

Kind Regards,