[FFmpeg-devel] [HACK] 50% faster H.264 decoding
Tue Aug 17 18:37:21 CEST 2010
On 08/11/2010 11:32 PM, Jason Garrett-Glaser wrote:
> 2. Reorder the H264Context to be a bit more cache-friendly and
> offset-friendly for ARM.
> 8. Add prefetching of current-frame macroblock data, not just past frame data.
> 11. Make Golomb decoding use count-trailing-zeroes instead of a lookup
> table and branch -- it's faster on ARM that way. Saves cache, too.
Those three looks salvageable.
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