[FFmpeg-devel] [PATCH] VAAPI: Fix MPEG-4 decoding of video clips with B-frames

Gwenole Beauchesne gbeauchesne
Tue Apr 13 14:34:01 CEST 2010


Le 13 avr. 10 ? 14:25, Michael Niedermayer a ?crit :

> On Tue, Apr 13, 2010 at 09:12:06AM +0200, Gwenole Beauchesne wrote:
>> Hi,
>>
>> This patch fixes MPEG-4 decoding of video clips with B-frames. This  
>> works
>> on NVIDIA HW but GMA500 seems to require this addition, which looks  
>> weird
>> to me:
>
> patch mangled

Attached the additional bits I am not sure about as  
ffmpeg.vaapi.gma500.mpeg4.bframes.patch. This works on GMA500 but the  
logic looks weird to me, probably a driver bug? This doesn't seem to  
make any difference on NVIDIA HW though.

The ffmpeg.vaapi.mpeg4.bframes.patch was tested on NVIDIA.

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