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134 Commits

Author SHA1 Message Date
Michael Niedermayer
7822e1c1ff reverse remainder of the failed attempt to optimize *state=c->mps_state[s] 
Originally committed as revision 6609 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-09 21:14:16 +00:00
Michael Niedermayer
ef0090a998 x86 branchless cabac decoder 
slightly faster on P3

Originally committed as revision 6608 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-09 20:51:33 +00:00
Michael Niedermayer
2e1aee80f4 optimize branchless C CABAC decoder 
Originally committed as revision 6607 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-09 20:44:11 +00:00
Michael Niedermayer
1c2a417f6a move outcommented START/STOP_TIMER to a hopefully better place for benchmarking ... 
Originally committed as revision 6605 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-09 18:20:00 +00:00
Michael Niedermayer
30dc5f56ad drop failed attempt to optimize *state= c->mps_state[s]; 
Originally committed as revision 6604 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-09 15:52:17 +00:00
Michael Niedermayer
c56d23dacf 10l bugfix for some disabled code 
Originally committed as revision 6603 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-09 14:15:53 +00:00
Michael Niedermayer
f7d0b68361 first try of a handwritten get_cabac() for x86, this is 10-20% faster on P3 depening on if you try to subtract the START/STOP_TIMER overhead 
Originally committed as revision 6602 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-09 14:15:14 +00:00
Michael Niedermayer
5bbe2a5292 remove bytestream_end checks, seems to work fine without them and the bitstream reader doesnt check for the end either 
Originally committed as revision 6599 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-09 12:25:24 +00:00
Michael Niedermayer
c010d69a75 decrease ff_h264_norm_shift[] size 
Originally committed as revision 6596 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-09 00:59:42 +00:00
Michael Niedermayer
6ff042699f cleanup 
Originally committed as revision 6594 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-08 21:26:08 +00:00
Michael Niedermayer
260ceb6322 branchless renormalization (1% faster get_cabac) old branchless renormalization wasnt faster because gcc was scared of the shift variable (missusing bit variable now) 
Originally committed as revision 6587 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-08 13:20:22 +00:00
Michael Niedermayer
99ce10873d 5% faster get_cabac() 
Originally committed as revision 6586 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-08 11:24:37 +00:00
Michael Niedermayer
400d0f8e47 disable benchmarking code 
disable asm optims as the fastest depends on cpu type

Originally committed as revision 6582 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-07 22:37:34 +00:00
Michael Niedermayer
4310580db5 renorm_cabac_decoder_once START/STOP_TIMER scores for athlon 
Originally committed as revision 6581 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-07 22:34:32 +00:00
Michael Niedermayer
5659b509c7 refill cabac variables in 16bit steps, 3% faster get_cabac() 
Originally committed as revision 6578 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-07 15:44:14 +00:00
Diego Biurrun
b78e7197a8 Change license headers to say 'FFmpeg' instead of 'this program/this library' 
and fix GPL/LGPL version mismatches.

Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-07 15:30:46 +00:00
Michael Niedermayer
2ae7569dc8 () 10l 
Originally committed as revision 6576 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-07 12:41:55 +00:00
Michael Niedermayer
ec8f483ab5 several x86 renorm_cabac_decoder_once optimizations 
START/STOP_TIMER benchmarking code for them
please benchmark on P4 & athlon
(ill remove the benchmarking code and the always slower variants as soon as p4/athlon benchmarks have been posted or commited)

Originally committed as revision 6573 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-07 11:15:10 +00:00
Loren Merritt
938dd84693 don't try to inline cabac functions. gcc ignored the hint anyway, and forcing it would make h264 slower. 
Originally committed as revision 6549 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-04 07:16:10 +00:00
Loren Merritt
bfe328caf0 tweak cabac. 0.5% faster h264. 
Originally committed as revision 6106 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-27 09:19:02 +00:00
Loren Merritt
2848ce84d2 don't force asserts in release builds. 2% faster h264. 
Originally committed as revision 5332 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-04-29 00:43:15 +00:00
Diego Biurrun
5509bffa88 Update licensing information: The FSF changed postal address. 
Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-12 22:43:26 +00:00
Diego Biurrun
115329f160 COSMETICS: Remove all trailing whitespace. 
Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-17 18:14:38 +00:00
Loren Merritt
6d1feb028f decode h264 end-of-slice flag 
Originally committed as revision 4316 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-29 18:18:13 +00:00
Måns Rullgård
88730be651 kill warnings patch by (Måns Rullgård <mru inprovide com>) 
Originally committed as revision 3977 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-02-24 19:08:50 +00:00
Michael Niedermayer
ec7eb8966c optimization 
Originally committed as revision 3639 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-10-26 03:12:21 +00:00
Michael Niedermayer
bba8334965 overread fix 
Originally committed as revision 3294 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-07-08 00:53:21 +00:00
Michael Niedermayer
e96682e6f4 some of the warning fixes by (Michael Roitzsch <mroi at users dot sourceforge dot net>) 
Originally committed as revision 3140 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-05-18 17:09:46 +00:00
Alex Beregszaszi
b46243ed1c get_bit_count -> put_bits_count 
Originally committed as revision 2753 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-02-06 17:51:58 +00:00
Michael Niedermayer
7408ad05cc 10l 
Originally committed as revision 1940 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-06-09 19:11:50 +00:00
Michael Niedermayer
5e20f836b3 FFV1 codec (our very simple lossless intra only codec, compresses much better then huffyuv) 
Originally committed as revision 1939 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-06-09 02:24:51 +00:00
Michael Niedermayer
8f8c0800f8 cleanup 
Originally committed as revision 1932 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-06-06 10:04:15 +00:00
Michael Niedermayer
61ccfcc009 (truncated) unary binerization 
unary k-th order exp golomb binarization

Originally committed as revision 1920 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-05-30 01:05:48 +00:00
Michael Niedermayer
d592f67fb6 CABAC 
note, this is just the CABAC (de)coder not complete h264-cabac support

Originally committed as revision 1915 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-05-28 18:44:52 +00:00