[FFmpeg-devel] [PATCH v2] swscale: add unscaled conversion from yuv420p to p010
alikizil at gmail.com
Sun Sep 4 17:36:13 EEST 2016
On Sep 4, 2016 5:33 PM, "Ronald S. Bultje" <rsbultje at gmail.com> wrote:
> On Sun, Sep 4, 2016 at 10:06 AM, Carl Eugen Hoyos <ceffmpeg at gmail.com>
> > 2016-09-04 16:02 GMT+02:00 Timo Rothenpieler <timo at rothenpieler.org>:
> > > The purpose of this patch is to make conversion from
> > > yuv420p (8 bit) to p010 (10 bit) fast.
> > Do I understand you correctly that your patch is
> > faster without the change I suggested?
> We should also consider whether not zeroing out the LSBs affects other
> pieces of code (or hardware) which support p010 as input.
> If they all ignore the LSBs as the spec seems to require, I agree with
> Carl. If they break or the output changes, it may be more complicated.
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I can test the patch in Monday with and without zeros and report if it
break anything for Nvenc Hevc encoding.
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