[Cin] two more h264_vaapi profile for cingg

[Andrew Randrianasulu]

On Thursday, May 26, 2022, Phyllis Smith via Cin <cin at lists.cinelerra-gg.org>
wrote:

> Checked these 2 into GIT after testing.  About the following:
>
> Instead "h264_vaapi.mkv" gives me error and no rendering.
>>
>> Error message popup:
>> "error rendering data"
>>
>> On terminal:
>> FFMPEG::encode_activate: write header failed /home/paz/vaapi_test.mkv
>>   err: Invalid data found when processing input
>> Render::render_single: Session finished.
>>
>
> I added a message to the format to state that the mkv "only works on
> computer that has vaapi capable software and hardware".  I got the same
> error message as Andrew on my AMD laptop that does not handle vaapi, but an
> old HP laptop has it working.  Not exactly sure that is the correct reason
> but it is all I could think of.  Correct me if I am wrong.
>

may be mkv muxer in ffmpeg more strict (or buggy)?

if you try to re-mux vaapi-encoded h264 mp4 into mkv with ffmpeg -i
file.mp4 -c:v copy (..other params) file.mkv - does it work?
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