[FFmpeg-devel] [PATCH v2] swscale: add unscaled conversion from yuv420p to p010

Ali KIZIL alikizil at gmail.com
Sun Sep 4 17:06:06 EEST 2016

On Sep 4, 2016 5:02 PM, "Timo Rothenpieler" <timo at rothenpieler.org> wrote:
> > Finally, with the change, the function can also be used
> > for P016, note that I tried to object to P010: It does not
> > serve any real purpose, if I remember correctly, the
> > explanation for the commit was that there is a bug in
> > FFmpeg's pix_fmt decision routine that needed to
> > be worked-around ("hacked").
> It's the input format to nvenc in 10bit mode.
> The purpose of this patch is to make conversion from yuv420p (8 bit) to
> p010 (10 bit) fast.
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Especially for 4K and UHD frames.
You may not notice conversion speed change in HD or SD resolutions.

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