[Mesa-dev] [PATCH] st/va: delay calling begin_frame until we have all parameters

[Andy Furniss]

Andy Furniss wrote:
> Christian König wrote:
>> Hi Andy,
>>
>> Am 19.01.2017 um 11:46 schrieb Andy Furniss:
>>> I think you are right about the slices, the failing vids are blu-ray/tv.
>>>
>>> https://drive.google.com/file/d/0BxP5-S1t9VEEZlozcjVUZ1lDbWM/view?usp=sharing
>>>
>>>
>>>
>> Thanks for the link, if you have time please give the attached patch a
>> try.
>>
>> It should fix the issue, but I currently don't have a test system for
>> VAAPI ready so I can't confirm it of hand.
>
> It doesn't fix properly. The vid will play normally after a second,
> but during that second I get to see many flash frames of gpu mem.
>
> Lucky I chose this sample out of several as the patch does seem to
> fix a couple of other previously failing vids.

Though more testing shows it also regresses previously working vids, some as
above, but one never "starts" and is total junk.