[FFmpeg-devel] [PATCH] VC-1: Faster C loopfilter

Kostya kostya.shishkov
Sun Jan 18 08:40:37 CET 2009


On Sat, Jan 17, 2009 at 11:54:51PM -0500, Jason Garrett-Glaser wrote:
> Yuvi requested I optimize this one, so I did.  This patch can be
> summed up as follows:
> 
> 13:20 <@mru> I see a lot of xor
> 13:20 <@mru> that's usually a sign of magic
> 
> 338 -> 315 cycles for vc1_loop_filter on Core 2 Duo.
> Overall decoding 12.047s -> 11.781s
> 
> Dark Shikari

Err, welcome to the dark side :)

Patch looks ok except for redundant comments for FFABS.
Can you also submit a small patch for supporting interlaced modes in VC-1?




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