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

Carl Eugen Hoyos ceffmpeg at gmail.com
Mon Oct 3 13:06:18 EEST 2016


2016-10-03 11:35 GMT+02:00 Ali KIZIL <alikizil at gmail.com>:

> +    /* yuv422p10_to_yuv420p */
> +    if ((srcFormat == AV_PIX_FMT_YUV422P10 || srcFormat == AV_PIX_FMT_YUVA422P10) &&
> +        (dstFormat == AV_PIX_FMT_YUV420P) || srcFormat == AV_PIX_FMT_YUVA420P)
> +        c->swscale = yuv422p10ToYuv420pWrapper;

I believe there is something wrong.

The actual wrapper function is missing alpha handling.

Carl Eugen


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