802e91466d
export refs
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Originally committed as revision 16306 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-24 18:39:23 +00:00
62ea19c061
Optimize pred_pskip_motion()
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7 cpu cycles faster on pentium dual.
Originally committed as revision 16304 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-24 03:23:38 +00:00
ebfb0449d3
Indent
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Originally committed as revision 16302 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-23 22:06:16 +00:00
05d3fd44d7
Integrate get_te0_golomb() calls into the code, this allows some checks
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to be avoided and the function is pretty small.
3% speedup, though this is probably due to changed inlining and not directly
this change.
Originally committed as revision 16301 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-23 22:04:34 +00:00
9963b332d1
Use get_ue_golomb_31() where possible, almost all are just in headers
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though.
Originally committed as revision 16300 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-23 21:12:19 +00:00
2f2893ce9b
indent
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Originally committed as revision 16296 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-23 19:12:50 +00:00
d42fc4a8ca
Use the new VLC table for the first non trailing coeff too.
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Sadly only 5 cycles faster here on pentium dual. So maybe the
complexity is not worth it and this should be reverted ...
Originally committed as revision 16295 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-23 19:10:46 +00:00
593af7cdda
Optimize esc removal code.
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Originally committed as revision 16294 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-23 18:31:44 +00:00
2d76bf391a
Indent
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Originally committed as revision 16292 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-23 17:50:36 +00:00
8140955d39
unified CAVLC level decoding LUT.
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Quite a bit faster (HPCVMOLQ_BRCM_B.264 was 3% faster here)
Originally committed as revision 16291 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-23 17:49:38 +00:00
abb27cfb24
100l, I broke H.264 again, forgot one hunk.
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Thanks to FATE for finding it.
Originally committed as revision 16285 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-23 01:11:56 +00:00
e08715d391
Optimize 0 0 0-3 search, 45% faster on pentium dual.
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Originally committed as revision 16284 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-23 00:38:45 +00:00
ec3686e889
Simplify decode_cabac_mb_ref() a little bit, 2 cpu cycles faster on
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pentium dual.
Originally committed as revision 16279 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-22 17:14:13 +00:00
26695973c7
Indent
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Originally committed as revision 16278 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-22 16:56:05 +00:00
b68a455313
inline decode_cabac_mb_type for I & P frames, 9 cycles faster on pentium dual.
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Originally committed as revision 16277 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-22 16:46:17 +00:00
1952ac3713
Negate 2 more variables, 1 cpu cycle faster on pentium dual.
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Originally committed as revision 16276 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-22 16:20:13 +00:00
03a035e059
Simplify if/else, no speed change
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Originally committed as revision 16275 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-22 16:14:06 +00:00
6f3c50f2f9
Negate a few variables, this simplifies the code and makes it 5 cycles faster
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on pentium dual.
Originally committed as revision 16274 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-22 16:10:35 +00:00
60c6ba7aea
Simplify ifs(), 8 cpu cycles faster on pentium dual
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Originally committed as revision 16273 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-22 15:54:27 +00:00
127a20e3b8
Simplify if(), 3 cpu cycles faster in pentium dual.
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Originally committed as revision 16272 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-22 15:53:00 +00:00
a6493a8fbd
Rename libavcodec/i386/ --> libavcodec/x86/.
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It contains optimizations that are not specific to i386 and
libavutil uses this naming scheme already.
Originally committed as revision 16270 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-22 09:12:42 +00:00
bef05f05e4
Remove a bunch of unused variables.
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Originally committed as revision 16263 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-22 00:10:36 +00:00
befc8fe086
Remove useless code.
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Originally committed as revision 16253 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-21 17:49:40 +00:00
c212fb0cb1
Only execute clear_blocks() when needed.
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+0.3% speedup for both aladin & cathedral.
Originally committed as revision 16252 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-21 15:58:42 +00:00
66c07ca96f
Optimize get_dct8x8_allowed().
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30 cpu cycles faster on pentium dual.
Originally committed as revision 16248 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-20 23:11:30 +00:00
aac8b76983
H.264 loopfilter speed tweaks
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Originally committed as revision 16240 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 14:49:17 +00:00
a5805aa9d1
Fix decoding with the plain C idcts of
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FRExt/HPCAMOLQ_BRCM_B
FRExt/HPCAQ2LQ_BRCM_B
FRExt/HPCVMOLQ_BRCM_B
Originally committed as revision 16236 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 09:21:54 +00:00
a5b807a6c1
Replace /2 by >>1 in decode_cabac_mb_dqp()
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3 cpu cycles speed up on pentium dual.
Originally committed as revision 16233 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 02:28:51 +00:00
1aea5d35e5
Simplify ctx update in decode_cabac_mb_dqp().
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no speed change
Originally committed as revision 16232 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 02:00:33 +00:00
7cfca0dfd8
Simplify ctx calculation in decode_cabac_mb_dqp()
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no speed change
Originally committed as revision 16231 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 01:50:20 +00:00
d43696309a
Clear FF_INPUT_BUFFER_PADDING_SIZE bytes at the end of NALs in rbsp_buffer.
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Fixes valgrind uninitialized value warnings at the end of decoding H.264
frames.
Originally committed as revision 16230 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 01:11:52 +00:00
712ca84c21
Move filter_luma_intra into dsputil for later addition of asm.
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Originally committed as revision 16228 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 00:44:51 +00:00
b9fe706305
Simplify chroma AC in CABAC residual decoding.
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Originally committed as revision 16227 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 00:43:30 +00:00
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
2008-12-19 00:05:39 +00:00
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
2008-12-18 23:52:32 +00:00
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
2008-12-18 23:31:10 +00:00
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
2008-12-18 18:25:11 +00:00
aebb5d6d96
indent
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Originally committed as revision 16222 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 18:14:38 +00:00
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
2008-12-18 18:12:59 +00:00
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
2008-12-18 17:42:44 +00:00
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
2008-12-18 16:11:19 +00:00
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
2008-12-18 15:51:32 +00:00
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
2008-12-18 15:32:07 +00:00
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
2008-12-18 15:21:15 +00:00
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
2008-12-18 11:17:12 +00:00
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
2008-12-18 04:13:02 +00:00
62bc966f8f
Remove redundant nnz variable.
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Originally committed as revision 16209 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 03:04:53 +00:00
0a8ca22f4e
indent
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Originally committed as revision 16208 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 02:56:44 +00:00
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
2008-12-18 02:53:18 +00:00
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
2008-12-18 01:10:51 +00:00
Michael Niedermayer
Diego Biurrun
Jason Garrett-Glaser
Alexander Strange