Originally committed as revision 16684 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16681 to svn://svn.ffmpeg.org/ffmpeg/trunk

and remove all ENABLE_ definitions.

Originally committed as revision 16600 to svn://svn.ffmpeg.org/ffmpeg/trunk

They are now always defined to either 0 or 1.

Originally committed as revision 16590 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16359 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16247 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16228 to svn://svn.ffmpeg.org/ffmpeg/trunk

thus avoiding the calling overhead.
New functions are not yet used.

Originally committed as revision 16206 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16179 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16045 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 15967 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 15790 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 15551 to svn://svn.ffmpeg.org/ffmpeg/trunk

20% faster ac3 if downmixing, 15% if not

Originally committed as revision 14743 to svn://svn.ffmpeg.org/ffmpeg/trunk

13% faster ac3 if downmixing

Originally committed as revision 14742 to svn://svn.ffmpeg.org/ffmpeg/trunk

this has no immediate effect, but will allow it to be used in more codecs.

Originally committed as revision 14252 to svn://svn.ffmpeg.org/ffmpeg/trunk

2% faster vorbis on conroe, k8. 7% on celeron.

Originally committed as revision 14207 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14205 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14103 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14081 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 13019 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 12842 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 12323 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 12318 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 12311 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 12309 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 12233 to svn://svn.ffmpeg.org/ffmpeg/trunk

suggested by Uoti Urpala

Originally committed as revision 12177 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 12166 to svn://svn.ffmpeg.org/ffmpeg/trunk

2x faster than scalar in 32bit, 4x faster in 64bit (as opposed to 8x in mmx)

Originally committed as revision 12165 to svn://svn.ffmpeg.org/ffmpeg/trunk

cycles per 1000 pixels on core2:
left: 9211->5170
top: 9283->2138
avg: 12215->7611
paeth: 64024->17360
overall rgb png decoding speed: +45%
overall greyscale png decoding speed: +6%

Originally committed as revision 12164 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 11732 to svn://svn.ffmpeg.org/ffmpeg/trunk

I have underestimated this a little, and these are just some ...

Originally committed as revision 11708 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 11296 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 11292 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 11291 to svn://svn.ffmpeg.org/ffmpeg/trunk

of array reads.

Originally committed as revision 11290 to svn://svn.ffmpeg.org/ffmpeg/trunk

array read.

Originally committed as revision 11288 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 11192 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10983 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10971 to svn://svn.ffmpeg.org/ffmpeg/trunk

4x faster than c (somehow, even though doubles only allow 2x simd).
overal flac encoding: 15-50% faster on core2, 4-11% on k8, 3-13% on p4.

Originally committed as revision 10621 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10559 to svn://svn.ffmpeg.org/ffmpeg/trunk

Necessary for systems that don't align by default to 16 bytes, required by some
SSE instructions.
Requires GCC >= 4.2.
Based on patch by Gaël Chardon.

Originally committed as revision 10106 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10023 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 9820 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 9785 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 9605 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 9603 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 9582 to svn://svn.ffmpeg.org/ffmpeg/trunk