[Ffmpeg-devel] [PATCH] h264 *_pixels16_l2_altivec
Tue Mar 7 22:52:15 CET 2006
On Tue, 7 Mar 2006, Luca Barbato wrote:
> Romain Dolbeau wrote:
>> I think the fact that src_stride2 is hardwired to 16
>> should be mentioned above the functions, should it
>> be called from someplace that doesn't know about
>> the restriction.
> The previous code assumed the same, so I just removed the define and
> hardwired it there.
>> Doesn't H264 requires image_stride % 16 == 0 ? Because
>> if it can be assumed src_stride1 % 16 == 0, then the
>> vec_lvsl can be moved out of the loop.
> Not sure I check this evening
>> (I don't think that src1/src2/dst are always properly
>> aligned ? that could solve the performance problem)
> sadly they are all unaligned.
dst and one of the src can be made aligned.
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