2d3df05ca0
on the P4 inc needs twice as much time a add
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Originally committed as revision 6611 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 21:39:07 +00:00
2ee9dc65be
10l
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Originally committed as revision 6610 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 21:21:10 +00:00
7822e1c1ff
reverse remainder of the failed attempt to optimize *state=c->mps_state[s]
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Originally committed as revision 6609 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 21:14:16 +00:00
ef0090a998
x86 branchless cabac decoder
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slightly faster on P3
Originally committed as revision 6608 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 20:51:33 +00:00
2e1aee80f4
optimize branchless C CABAC decoder
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Originally committed as revision 6607 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 20:44:11 +00:00
1c2a417f6a
move outcommented START/STOP_TIMER to a hopefully better place for benchmarking ...
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Originally committed as revision 6605 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 18:20:00 +00:00
30dc5f56ad
drop failed attempt to optimize *state= c->mps_state[s];
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Originally committed as revision 6604 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 15:52:17 +00:00
c56d23dacf
10l bugfix for some disabled code
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Originally committed as revision 6603 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 14:15:53 +00:00
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
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Originally committed as revision 6602 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 14:15:14 +00:00
5bbe2a5292
remove bytestream_end checks, seems to work fine without them and the bitstream reader doesnt check for the end either
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Originally committed as revision 6599 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 12:25:24 +00:00
c010d69a75
decrease ff_h264_norm_shift[] size
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Originally committed as revision 6596 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 00:59:42 +00:00
6ff042699f
cleanup
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Originally committed as revision 6594 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-08 21:26:08 +00:00
260ceb6322
branchless renormalization (1% faster get_cabac) old branchless renormalization wasnt faster because gcc was scared of the shift variable (missusing bit variable now)
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Originally committed as revision 6587 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-08 13:20:22 +00:00
99ce10873d
5% faster get_cabac()
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Originally committed as revision 6586 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-08 11:24:37 +00:00
400d0f8e47
disable benchmarking code
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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
4310580db5
renorm_cabac_decoder_once START/STOP_TIMER scores for athlon
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Originally committed as revision 6581 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-07 22:34:32 +00:00
5659b509c7
refill cabac variables in 16bit steps, 3% faster get_cabac()
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Originally committed as revision 6578 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-07 15:44:14 +00:00
b78e7197a8
Change license headers to say 'FFmpeg' instead of 'this program/this library'
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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
2ae7569dc8
() 10l
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Originally committed as revision 6576 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-07 12:41:55 +00:00
ec8f483ab5
several x86 renorm_cabac_decoder_once optimizations
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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
938dd84693
don't try to inline cabac functions. gcc ignored the hint anyway, and forcing it would make h264 slower.
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Originally committed as revision 6549 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-04 07:16:10 +00:00
bfe328caf0
tweak cabac. 0.5% faster h264.
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Originally committed as revision 6106 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-08-27 09:19:02 +00:00
2848ce84d2
don't force asserts in release builds. 2% faster h264.
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Originally committed as revision 5332 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-04-29 00:43:15 +00:00
5509bffa88
Update licensing information: The FSF changed postal address.
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Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-01-12 22:43:26 +00:00
115329f160
COSMETICS: Remove all trailing whitespace.
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Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-12-17 18:14:38 +00:00
6d1feb028f
decode h264 end-of-slice flag
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Originally committed as revision 4316 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-05-29 18:18:13 +00:00
88730be651
kill warnings patch by (Måns Rullgård <mru inprovide com>)
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Originally committed as revision 3977 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-02-24 19:08:50 +00:00
ec7eb8966c
optimization
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Originally committed as revision 3639 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-10-26 03:12:21 +00:00
bba8334965
overread fix
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Originally committed as revision 3294 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-07-08 00:53:21 +00:00
e96682e6f4
some of the warning fixes by (Michael Roitzsch <mroi at users dot sourceforge dot net>)
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Originally committed as revision 3140 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-05-18 17:09:46 +00:00
b46243ed1c
get_bit_count -> put_bits_count
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Originally committed as revision 2753 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-02-06 17:51:58 +00:00
7408ad05cc
10l
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Originally committed as revision 1940 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-06-09 19:11:50 +00:00
5e20f836b3
FFV1 codec (our very simple lossless intra only codec, compresses much better then huffyuv)
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Originally committed as revision 1939 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-06-09 02:24:51 +00:00
8f8c0800f8
cleanup
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Originally committed as revision 1932 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-06-06 10:04:15 +00:00
61ccfcc009
(truncated) unary binerization
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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
d592f67fb6
CABAC
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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
Michael Niedermayer
Diego Biurrun
Loren Merritt
Måns Rullgård
Alex Beregszaszi