[FFmpeg-devel] [PATCH] Make VP3/Theora Decoder Much Faster

Mike Melanson mike
Thu Dec 3 06:40:17 CET 2009

Jason Garrett-Glaser wrote:
> Another optimization patch attached.  Should be pretty obvious what it does.

I'm glad you think so.

> Also, a few optimization targets for Mike:

Thanks for the clues. I always enjoy a good puzzle.

> I can think of more, but I'm lazy.  Also, here's a profile with
> -fno-inline-functions and -fno-inline-functions-called-once, on a Core
> i7 (from before my changes, but after Mike's):

Thanks for this. I had a feeling that a lot of functions were being 
inlined into vp3_decode_frame() since it didn't look like it could be 
taking 23% of the decode time on its own.

     -Mike Melanson

More information about the ffmpeg-devel mailing list