[Libva] profile used in mplayer vaapi

Yuan, Shengquan shengquan.yuan at gmail.com
Mon Nov 22 22:25:43 PST 2010


On Tue, Nov 23, 2010 at 2:21 PM, Xiang, Haihao <haihao.xiang at intel.com> wrote:
> Hi,  Austin
>
>   VC1 has a profile flag in the sequence layer, however
> VAPictureParameterBufferVC1 hasn't a member for this flag. The i965
> video driver needs this flag, does the parameter 'profile' passed in
> vaCreateConfig match the profile specified in the sequence layer?
I don't think so, some players may always choose the highest profile
for vaCreateConfig regardless of the indication in sequence layer.
We may add something into VAPictureParameterBufferVC1 to resolve i965 issue

>
> Thanks
> Haihao
>
>
>> Hi,
>>
>>   It seems mplayer_vaapi always uses the first profile in the supported
>> list and passes it to vaapi driver via vaCreateConfig. Sometimes the
>> vaapi driver needs to know which profile the decoded bitstream is in. Is
>> there a way to pass the right profile to vaapi driver?
>>
>> Thanks
>> Haihao
>>


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