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3 Commits

Author SHA1 Message Date
Jason Garrett-Glaser
05c04cdf54 VP5/6/8: ~7% faster arithmetic decoding 
Grab from the bitstream in 16-bit chunks instead of 8-bit chunks.
TODO: grab in 32-bit chunks on 64-bit systems.

Originally committed as revision 24783 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-08-12 01:11:32 +00:00
Jason Garrett-Glaser
8b9b5e085f VP5/6/8: add one inline missed in r24677 
Originally committed as revision 24682 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-08-03 11:21:22 +00:00
Eli Friedman
3611e7a309 Inline asm for VP56 arith coder 
This is a lot more reliable to get cmov rather than trying to trick gcc into
generating it, useful since it's 2% faster overall.

Patch by Eli Friedman <eli.friedman at gmail>

Originally committed as revision 24471 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-07-23 21:46:30 +00:00