[FFmpeg-devel] [PATCH v3 1/2] lavc/vaapi_encode_h265: Map HEVC AV REXT profile to VA REXT profile

[Mark Thompson]

On 18/04/2024 09:21, Wang, Fei W wrote:
> On Tue, 2024-04-16 at 04:57 +0000, Wang, Fei W wrote:
>> On Mon, 2024-04-15 at 23:07 +0100, Mark Thompson wrote:
>>> Why is this change helpful?
>>
>> Together with 2/2 fix on the hw support VAAPI main12 decode and
>> encode:
>>
>> $ ffmpeg -hwaccel vaapi -f lavfi -i testsrc -vf
>> 'format=nv12,hwupload'
>> -c:v hevc_vaapi -profile:v rext -vframes 30 -y out.mp4
>>
>> $ ffmpeg -hwaccel vaapi -i out.mp4 -f null -
>> ...
>> [hevc @ 0x55b4fda0a780] HEVC profile is not found.
>> [hevc @ 0x55b4fda0a780] No support for codec hevc profile 4.
>> [hevc @ 0x55b4fda0a780] Failed setup for format vaapi: hwaccel
>> initialisation returned error.
>>
>> Same for p010le as input of encoder.
> 
> Hi
> 
> Any further comments on this patchset?

I think it is better to fix this by removing the fake constraints on the decoder rather than by adding extra constraints to the encoder.

See patchset following.

Thanks,

- Mark