[FFmpeg-devel] [PATCH] lavc/qsvenc_h264: don't support P010 format

[Soft Works]

> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
> James Almer
> Sent: Saturday, November 26, 2022 12:35 AM
> To: ffmpeg-devel at ffmpeg.org
> Subject: Re: [FFmpeg-devel] [PATCH] lavc/qsvenc_h264: don't support
> P010 format
> 
> On 11/25/2022 8:26 PM, Dong, Ruijing wrote:
> > [AMD Official Use Only - General]
> >
> > Will it make sense to accept P010 input, however encode to h264
> 8bit?
> 
> If it works (the encoder accepts the 10 bit input even if it encodes
> it
> as 8bit), then i don't see why not. I assume it would also be faster
> than using swscale to convert said 10bit input to nv12 before passing
> that to the encoder.
> 
> Removing support for a pixel format as input in an encoder needs a
> reason other than "It's rarely used", more so when it's a single
> line.
> It either needs to not work, or somehow get in the way of further
> improvements.

Oh sorry, I noticed that there was a misunderstanding. 

When I said "It's rarely used", I didn't mean that as a justification
for the removal, it was meant as an explanation why none of the 
hwaccels has implemented it.

softworkz