Re: [FFmpeg-devel] [PATCH] avcodec/av1_vaapi: Enable AV1Profile2 VAAPI support.

[David Wu via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

thanks you Mark! will follow up on libva changes first.

David

On 2024-08-11 14:42, Mark Thompson wrote:
> On 11/08/2024 19:27, Mark Thompson wrote:
>> On 30/07/2024 21:02, David (Ming Qiang) Wu via ffmpeg-devel wrote:
>>> AV1Profile2 VAAPI is supported and tested on AMD VCN5.
>>>
>>> Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
>>> ---
>>>   libavcodec/av1dec.c       | 3 +++
>>>   libavcodec/vaapi_decode.c | 3 +++
>>>   2 files changed, 6 insertions(+)
>>>
>>> diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c
>>> index 1d5b9ef4f4..77f63661a0 100644
>>> --- a/libavcodec/av1dec.c
>>> +++ b/libavcodec/av1dec.c
>>> @@ -599,6 +599,9 @@ static int get_pixel_format(AVCodecContext *avctx)
>>>       case AV_PIX_FMT_YUV420P12:
>>>   #if CONFIG_AV1_VULKAN_HWACCEL
>>>           *fmtp++ = AV_PIX_FMT_VULKAN;
>>> +#endif
>>> +#if CONFIG_AV1_VAAPI_HWACCEL
>>> +        *fmtp++ = AV_PIX_FMT_VAAPI;
>>>   #endif
>>>           break;
>>>       case AV_PIX_FMT_YUV422P:
>>> diff --git a/libavcodec/vaapi_decode.c b/libavcodec/vaapi_decode.c
>>> index a59194340f..a077e47326 100644
>>> --- a/libavcodec/vaapi_decode.c
>>> +++ b/libavcodec/vaapi_decode.c
>>> @@ -448,6 +448,9 @@ static const struct {
>>>       MAP(AV1,         AV1_MAIN,        AV1Profile0),
>>>       MAP(AV1,         AV1_HIGH,        AV1Profile1),
>>>   #endif
>>> +#if VA_CHECK_VERSION(1, 23, 0)
>>> +    MAP(AV1,         AV1_PROFESSIONAL,	AV1Profile2),
>>> +#endif
>>>   
>>>   #undef MAP
>>>   };
>> Based on <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30429> this is supporting profile 2 only for 4:2:0 12-bit, and therefore can't advertise profile 2 generally for the decoder because that would imply support for all 4:2:2 and 4:4:4 cases as well.
>>
>> I think this wants something added to VAAPI in order to be able to advertise partial support for a profile?
>>
>> (It would be very confusing if we got "AV1Profile2" in VAAPI meaning only 4:2:0 12-bit and then have to add a separate "AV1Profile2exceptreallythistime" to meant actual AV1 profile 2.)
> I commented in <https://github.com/intel/libva/pull/828>.
>
> Please fix this before it get further in Mesa, having a version reporting incorrect decoder capabilities which we need to hack around elsewhere would be non-ideal.
>
> Thanks,
>
> - Mark
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