[FFmpeg-devel] [PATCH][VAAPI][4/6] Add MPEG-4 / H.263 bitstream decoding (take 10)

[Gwenole Beauchesne]

On Tue, 31 Mar 2009, Michael Niedermayer wrote:

>>> I fail to see a difference with the very few samples I have
>>> but that covers only the H.263 samples from mpq and I did not find any for
>>> !short-header case. i.e. I just can't say this will really work for all
>>> samples.
>
> you found no mpeg4 asp, no divx no xvid on mphq?

mpeg4 asp that has binary-only shape.

>> Changed the last line to:
>> pic_param->num_gobs_in_vop = (s->mb_width * s->mb_height) /
>> pic_param->num_macroblocks_in_gob;
>> which should be more abvious than the previous "simplification".
>>
>> Only tested with 352x288 clips, did not find any larger ones.
>
> ffmpeg can create larger ones, also ffmpeg can make mpeg4 asp
> you also should find some after running the regression tests

ffmpeg couldn't with some abbreviated names, though explicit sizes worked. 
;-)

OK, checked against all VA API (Intel implementation) supported CIF, and 
this yields the correct values for all of them.

New patch attached.
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