Michael Niedermayer
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
18 years ago
Michael Niedermayer
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
18 years ago
Michael Niedermayer
2e1aee80f4
optimize branchless C CABAC decoder
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Originally committed as revision 6607 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
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
18 years ago
Michael Niedermayer
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
18 years ago
Michael Niedermayer
c56d23dacf
10l bugfix for some disabled code
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Originally committed as revision 6603 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
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
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Originally committed as revision 6602 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
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
18 years ago
Michael Niedermayer
c010d69a75
decrease ff_h264_norm_shift[] size
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Originally committed as revision 6596 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
6ff042699f
cleanup
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Originally committed as revision 6594 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
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)
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Originally committed as revision 6587 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
99ce10873d
5% faster get_cabac()
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Originally committed as revision 6586 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
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
18 years ago
Michael Niedermayer
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
18 years ago
Michael Niedermayer
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
18 years ago
Diego Biurrun
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
18 years ago
Michael Niedermayer
2ae7569dc8
() 10l
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Originally committed as revision 6576 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
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
18 years ago
Loren Merritt
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
18 years ago
Loren Merritt
bfe328caf0
tweak cabac. 0.5% faster h264.
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Originally committed as revision 6106 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Loren Merritt
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
19 years ago
Diego Biurrun
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
19 years ago
Diego Biurrun
115329f160
COSMETICS: Remove all trailing whitespace.
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Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Loren Merritt
6d1feb028f
decode h264 end-of-slice flag
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Originally committed as revision 4316 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Måns Rullgård
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
20 years ago
Michael Niedermayer
ec7eb8966c
optimization
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Originally committed as revision 3639 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
bba8334965
overread fix
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Originally committed as revision 3294 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
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
21 years ago
Alex Beregszaszi
b46243ed1c
get_bit_count -> put_bits_count
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Originally committed as revision 2753 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
7408ad05cc
10l
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Originally committed as revision 1940 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Michael Niedermayer
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
22 years ago
Michael Niedermayer
8f8c0800f8
cleanup
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Originally committed as revision 1932 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Michael Niedermayer
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
22 years ago
Michael Niedermayer
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
22 years ago