overall ffvhuff decoding speedup: 28% on core2, 25% on k8.

Originally committed as revision 17059 to svn://svn.ffmpeg.org/ffmpeg/trunk

We have no H.264 encoder to speak of and this produces warnings.

Originally committed as revision 16914 to svn://svn.ffmpeg.org/ffmpeg/trunk

Otherwise doxygen complains about ambiguous filenames when files exist
under the same name in different subdirectories.

Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk

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