Jason Garrett-Glaser
b9fe706305
Simplify chroma AC in CABAC residual decoding.
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Originally committed as revision 16227 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
8955b66950
Optimize ctx calculation in decode_cabac_mb_mvd(), code by dark shikari.
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The case for 16x16 blocks becomes 10 cpu cycles faster on pentium dual,
i could not find a speed difference in the case of subblocks though.
Originally committed as revision 16226 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
17779f39b6
Remove unacceptable NULL pointer hack from mc code.
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Originally committed as revision 16225 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
04618b98e3
Check ref values in CABAC H.264 for validity.
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Originally committed as revision 16224 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
c25ac15a07
Move idct_(dc)add closer to where it is needed.
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Originally committed as revision 16223 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
aebb5d6d96
indent
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Originally committed as revision 16222 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
96465b90a1
Reorder ifs in chroma hl_decode_mb to avoid a duplicate transform_bypass
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check.
14 cpu cycles speedup on Pentium Dual
Originally committed as revision 16221 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
6456d6d87c
s/h->cbp_table[mb_xy]/h->cbp/
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Originally committed as revision 16220 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
04824298a9
Faster CAVLC decoding of trailing_ones. Based on a patch by dark shikari.
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decode_residual is about 3.3% faster.
Originally committed as revision 16219 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Jason Garrett-Glaser
93445d1617
Replace i by trailing_ones, part of a patch by dark shikari.
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No speed change meassureable with START/STOP_TIMER, but this is needed
for future optimizations.
Originally committed as revision 16218 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
c375d87f6f
Remove if() surrounding decode_cabac_mb_type() that can never be true.
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Originally committed as revision 16217 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
c325b5054f
Remove unreachable else clause, found by dark shikari.
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Originally committed as revision 16216 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
dae006d7d7
Remove useless IS_8x8DCT check i forgot, spotted by dark shikari.
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Originally committed as revision 16215 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
1eb960352b
Do not calculate idct_dc_add/idct_add when the variables are unused.
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Originally committed as revision 16210 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
62bc966f8f
Remove redundant nnz variable.
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Originally committed as revision 16209 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
0a8ca22f4e
indent
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Originally committed as revision 16208 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
2fd1f0e026
Use the new idct functions (except chroma as it was slower in benchmarks)
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cathedral +0.5% speed
aladin +0.6% speed [note aladin has been cat-ed 10 times to reduce the influence
of init time]
Speedup also verified via START/STOP_TIMER (difference was very significant
for the changed parts)
Originally committed as revision 16207 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
49c084a745
Skip non intra luma code when there is no coded luma.
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0.7% speedup for the cathedral sample.
Originally committed as revision 16203 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
621561cdf3
Skip chroma handling when there is no coded chroma.
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0.5% overall speedup for the cathedral sample.
Originally committed as revision 16201 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
4080e67c8e
Replace != 0 || check by |
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3 cpu cycles faster
Originally committed as revision 16183 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
ad9ca7e720
Split filter_mb_dir() out of filter_mb().
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1% overall decoding speed up for cathedral-beta2-400extra-crop-avc.mp4
no speed change for Aladin.mpg
Benchmarks done on Pentium dual
Originally committed as revision 16182 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
ac0623b23c
Fix indention, also do a little vertical alignment of changed lines.
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Originally committed as revision 16176 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
6120a343aa
Factorize 3 multiplications out, code becomes 3 cpu cycles faster.
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(not significant as thats just per MB)
Originally committed as revision 16174 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
1dd488e955
Move ENABLE_SMALL back to the per MB check, as otherwise gcc wont remove
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the code.
Originally committed as revision 16173 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
89db0bae26
Do not recalculate constant part of is_complex for every MB.
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Originally committed as revision 16172 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
41e4055b63
Support the new lossless mode.
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Originally committed as revision 16171 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
40f0624121
Enable filter_mb_fast if CODEC_FLAG2_FAST is set.
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Originally committed as revision 16141 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Anders Grönberg
cac55c9196
Add a few const qualifiers in appropriate places.
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patch by Anders Grönberg, galileo.m2 gmail com
Originally committed as revision 16120 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
d23b28c78b
Check that cpb_count is within the allowed range.
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Originally committed as revision 16010 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
c9c16cacb5
Get rid of now unneeded pps/sps correctness code as pps/sps will not
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be used at all when anything fails sanity checks.
Originally committed as revision 15972 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
255d4e717f
Allocate parameter sets sanely instead of using alloc_parameter_set().
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Avoids ending up with half initialized parameter sets.
Fixes issue282.
Originally committed as revision 15971 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
ff7f75e185
Fix segfault due to deallocated entries in delayed_pic after size change.
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Fixes issue714.
Originally committed as revision 15965 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Diego Biurrun
f107a02d4e
Move encoder-specific quantize_c and related tables to the H.264 encoder.
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Originally committed as revision 15937 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Diego Biurrun
ee2a957fbd
Use golomb_to_pict_type instead of its duplicate, slice_type_map.
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Originally committed as revision 15926 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Carl Eugen Hoyos
74e8b78b20
Fix H.264 decoding.
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(Problem analyzed by Uoti Urpala)
Originally committed as revision 15816 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Roman Shaposhnik
3a84713aaa
Making it easier to send arbitrary structures as work orders to MT workers
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Originally committed as revision 15804 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Andreas Öman
b09a7c05f6
h264: Implement decoding of picture timing SEI message.
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Now correct values are propagated to interlaced_frame, top_field_first
and repeat_pict in AVFrame structure.
patch by ffdshow tryouts
Originally committed as revision 15773 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
b735aeead8
Replace literally hardcoded max slice number by named constant.
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Originally committed as revision 15736 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Aurelien Jacobs
37d3e0667a
uses FF_ARRAY_ELEMS() where appropriate
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Originally committed as revision 15662 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Diego Pettenò
d9ec210baa
Mark ff_div6 and ff_rem6 static in h264.c. Patch by Diego Pettenò
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Originally committed as revision 15549 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Carl Eugen Hoyos
8d2fc163ce
Rename copy_picture to ff_copy_picture.
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Originally committed as revision 15508 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Diego Biurrun
bbc78fb4b4
Remove unused variable.
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Originally committed as revision 15427 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
6c8050078e
Avoid out of picture accesses when CODEC_FLAG_EMU_EDGE is set.
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Fixes issue427.
Originally committed as revision 15418 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
5f129a05bf
Do not free sps & pps on width/height changes.
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Fixes issue557.
Originally committed as revision 15414 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
07dff5c7a4
Initialize next/last_picture* as the generic code does not always
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set them to sane values.
Originally committed as revision 15412 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
49573a87c9
Print which slices are IDR not just the slice type.
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Originally committed as revision 15411 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
cf8bb33428
Fix CAVLC+8x8+MBAFF loop filter.
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Fixes FREXT02_JVC_C.
Originally committed as revision 15410 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
60c9b24df0
Field -> MBAFF direct mode can use data from fields that are not
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in the reference list. Follow the spec and no comment on the sanity of this
design ...
Fixes HPCAMAPALQ_BRCM_B
Originally committed as revision 15407 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
aa617518b9
A few empty lines for readability.
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Originally committed as revision 15385 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Michael Niedermayer
f4d3382da2
Another try to fix temporal direct mode references.
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Fixes at least
CAPAMA3_Sand_F.264
CVMAPAQP3_Sony_E.jsv
Originally committed as revision 15384 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago