[Intel-gfx] VAAPI mpeg2 decode support for G45 and GM45 chip

[Zou, Nanhai]

>>-----Original Message-----
>>From: Alexey Fisher [mailto:bug-track at fisher-privat.net]
>>Sent: 2009年8月5日 3:57
>>Cc: Zou, Nanhai; intel-gfx at lists.freedesktop.org; Linux GFX
>>Subject: Re: [Intel-gfx] VAAPI mpeg2 decode support for G45 and GM45 chip
>>
>>Dan Nicholson schrieb:
>>> On Tue, Aug 4, 2009 at 8:30 AM, Alexey
>>> Fisher<bug-track at fisher-privat.net> wrote:
>>>> Zou, Nanhai schrieb:
>>>>> Hi,
>>>>>    We have enabled VAAPI support for G45 and GM45 platform.
>>>>>
>>>>> I have tested it with some high profile 1080p mpeg2 stream.
>>>>> Using a patched mplayer at
>>>>> http://www.splitted-desktop.com/~gbeauchesne/mplayer-vaapi/
>>>>> I can see CPU usage is dramatically reduced.
>>>>>
>>>>> Currently, we only support mpeg2 decoding.
>>>>>
>>>>> Welcome to test it.
>>>>> The git repo is at git://git.freedesktop.org/git/libva,
>>>>> To successful compile the mplayer, you need to choose the libva31 branch.
>>>>>
>>>>> Thanks
>>>>> Zou Nan hai
>>>> I getting problems with packaging on ubuntu 9.10 (git libav31 tree)...
>>>> most of the errors i solved but the last one i can't find.
>>>>
>>>> probobly i making some thing wrong?
>>>> to package i use:
>>>> dpkg-buildpackage -rfakeroot
>>
>>So i get it to package... should i send you patch?
>>
>>But i do not get video with mplayr-vaapi
>>
>>and vainfo fail too:
>>
>>libva: libva version 0.30.4-sds2
>>libva: va_getDriverName() returns 0
>>libva: Trying to open /usr/lib/va/drivers/i965_drv_video.so
>>libva: va_openDriver() returns 0
>>vainfo: VA API version: 0.30
>>vainfo: Driver version: i965 Driver 0.1
>>vainfo: Supported profile and entrypoints
>>       VAProfileMPEG2Simple            :	VAEntrypointVLD
>>       VAProfileMPEG2Main              :	VAEntrypointVLD
>>vainfo: i965_drv_video.c:81: i965_QueryConfigEntrypoints: Assertion `0'
>>failed.
>>Aborted (core dumped)


That is ok.

Can you make sure your mplayer has vaapi enabled?
Run mplayer -vo help 
You can see vaapi output listed if vaapi is enabled.
Then mplayer -vo vaapi -va vaapi URL to play the video.

I am not familiar with ubuntu packaging, anyway please send your patch to me.

Thanks
Zou Nan hai