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

[James Almer]

On 11/25/2022 8:20 PM, Soft Works wrote:
> 
> 
>> -----Original Message-----
>> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
>> James Almer
>> Sent: Friday, November 25, 2022 8:48 PM
>> To: ffmpeg-devel at ffmpeg.org
>> Subject: Re: [FFmpeg-devel] [PATCH] lavc/qsvenc_h264: don't support
>> P010 format
>>
>> On 11/25/2022 3:03 PM, Soft Works wrote:
>>>
>>>
>>>> -----Original Message-----
>>>> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
>>>> Anton Khirnov
>>>> Sent: Friday, November 25, 2022 2:46 PM
>>>> To: FFmpeg development discussions and patches <ffmpeg-
>>>> devel at ffmpeg.org>
>>>> Cc: Haihao Xiang <haihao.xiang at intel.com>
>>>> Subject: Re: [FFmpeg-devel] [PATCH] lavc/qsvenc_h264: don't
>> support
>>>> P010 format
>>>>
>>>> Why?
>>>
>>> It's rarely used. There's not even a hwaccel that can decode this.
>>
>> The dxva2/d3d11 hwaccels seemingly do
> 
> No, only for HEVC and VP9. Probably for AV1 as well  in the near future.

Well, then that is a good reason to not remove support in this encoder 
for a pixel format that not only our software scaler can generate, but 
decoders using hwaccel backends can output too.