Commit Graph

3903 Commits

Author SHA1 Message Date
Kostya Shishkov
4ec0beaa59 Move block size check to decoder
Originally committed as revision 6688 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-14 05:01:05 +00:00
Michael Niedermayer
b566bd65e2 simplify escape decoding
Originally committed as revision 6685 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-13 16:19:15 +00:00
Diego Biurrun
a88fc5c040 Remove intrinsics checks, they are no longer used.
partly based on a patch by Zuxy Meng, zuxy.meng gmail com

Originally committed as revision 6684 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-13 16:04:41 +00:00
Michael Niedermayer
68a205edef dehack *ps_state indexing in the branchless decoder
Originally committed as revision 6683 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-13 14:21:25 +00:00
Kostya Shishkov
a991b1fecb TIFF decoder
Originally committed as revision 6682 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-13 10:48:29 +00:00
Michael Niedermayer
12ff5b0f3b add "memory" to the clobber list we change memory so we need it, this also fixes some problems with gcc svn
Originally committed as revision 6679 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-12 21:32:56 +00:00
Michael Niedermayer
5ed0d67da5 -1 is a valid return value in ratecontrol_1pass() -> 100l for takis
Originally committed as revision 6677 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-12 20:55:42 +00:00
Dominik Mierzejewski
61b769871f Fixes:
xvmcvideo.c: In function ‘XVMC_decode_mb’:
xvmcvideo.c:141: warning: ‘return’ with a value, in function returning void

Approved by Ivan.

Originally committed as revision 6676 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-12 19:57:47 +00:00
Michael Niedermayer
de1013e1ca 10l int vs uint8_t
Originally committed as revision 6675 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-12 18:41:29 +00:00
Michael Niedermayer
851ded8918 prevent "mb level" get_cabac() calls from being inlined (3% faster decode_mb_cabac() on P3)
Originally committed as revision 6674 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-12 14:49:19 +00:00
Michael Niedermayer
1f6049f515 int->uint8_t for 2 tables
Originally committed as revision 6673 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-12 12:27:02 +00:00
Baptiste Coudurier
29f86228a0 support for Tiertex .seq files demuxing/video decoding, by Gregory Montoir %cyx A users P sourceforge P net%
Originally committed as revision 6672 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-12 12:02:58 +00:00
Gregory Montoir
7da4d4cdec fix SHOW_SBITS for ALT_BITSTREAM_READER_LE, patch by Gregory Montoir %cyx A users P sourceforge P net%
Originally committed as revision 6671 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-12 11:54:24 +00:00
Diego Biurrun
cb690cadaf Rename internal.h --> xvid_internal.h, it clashes with libavutil/internal.h.
Originally committed as revision 6670 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-12 11:51:34 +00:00
Luca Barbato
a5db5bda07 ppc generic prefetch
Originally committed as revision 6669 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-12 10:26:07 +00:00
Guillaume Poirier
a0490b324a adds some useful comments after some of the #else, #elseif,
#endif preprocessor directives to make it clearer which code
block depends on which #define xx

Originally committed as revision 6668 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-12 07:51:18 +00:00
Diego Biurrun
c26abfa541 Rename ABS macro to FFABS.
Originally committed as revision 6666 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 23:17:58 +00:00
Loren Merritt
a957c27b03 more prefetches, 2% faster h264
Originally committed as revision 6664 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 21:34:15 +00:00
Michael Niedermayer
1f4d5e9f69 slightly faster on P3 slightly slower on athlon and probably faster on P4
Originally committed as revision 6663 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 17:59:40 +00:00
Baptiste Coudurier
dc56e0de1d update doc, changelog, and increase libavcodec version for .cin files support
Originally committed as revision 6660 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 17:14:02 +00:00
Baptiste Coudurier
72450e50a5 support for Delphine Software .cin files demuxing / audio and video decoding, by Gregory Montoir %cyx A users P sourceforge P net%
Originally committed as revision 6659 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 16:57:00 +00:00
Michael Niedermayer
2b5269b51c moving lps state transition code a little up in the branched asm code (1% faster on P3)
Originally committed as revision 6658 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 16:39:50 +00:00
Michael Niedermayer
b99f3cabed write cabac low and range variables as early as possible to prevent stalls from reading them before they where written, the P4 is said to disslike that alot, on P3 its 2% faster (START/STOP_TIMER over decode_residual)
Originally committed as revision 6657 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 16:11:41 +00:00
Michael Niedermayer
d17faef011 use ecx instead of cl (no speed change on P3 but might avoid partial register stalls on some cpus)
Originally committed as revision 6656 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 15:20:08 +00:00
Michael Niedermayer
d61c4e731e make state transition tables global as they are constant and the code is slightly faster that way
Originally committed as revision 6655 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 14:44:17 +00:00
Michael Niedermayer
5f3eca121e 10l
Originally committed as revision 6654 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 13:25:29 +00:00
Michael Niedermayer
0fa352c7e6 make lps_range a global table its constant anyway (saves 1 addition for accessing it)
Originally committed as revision 6653 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 13:21:42 +00:00
Michael Niedermayer
3650b43959 enable CMOV_IS_FAST as its faster or equal speed on every cpu (duron, athlon, PM, P3) from which ive seen benchmarks, it might be slower on P4 but noone has posted benchmarks ...
Originally committed as revision 6652 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 12:23:40 +00:00
Michael Niedermayer
6ab312daa2 doxy
Originally committed as revision 6647 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 10:29:00 +00:00
Diego Biurrun
dadb850a50 Move CFLAGS handling to common.mak.
Originally committed as revision 6642 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 08:30:13 +00:00
Diego Biurrun
a33fe57287 Switch to the LGPL as agreed to by the author according to the
initial commit log message.

Originally committed as revision 6641 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 07:47:59 +00:00
Kostya Shishkov
3689cf1649 Targa image decoder
Originally committed as revision 6640 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 04:15:04 +00:00
Diego Biurrun
15e35274d8 Rename SIGN macro to the more fitting UNFOLD.
Originally committed as revision 6626 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-10 12:07:25 +00:00
Diego Biurrun
0bc2e7f081 BRANCHLESS_CABAD --> BRANCHLESS_CABAC_DECODER
Originally committed as revision 6623 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-10 08:16:41 +00:00
Guillaume Poirier
ab5a1435ec Move TRANSPOSE8 macro to dsputil_altivec.h.
(was duplicated in libavcodec/ppc/vc1dsp_altivec.c
nd libavcodec/ppc/mpegvideo_altivec.c, and will be
used in upcoming routines for h264_altivec.c)

Originally committed as revision 6621 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-10 08:01:19 +00:00
Michael Niedermayer
9ed92c65f1 moving another bit&1 out, this is as fast as with it in there, but it makes more sense with it outside of the loop
Originally committed as revision 6618 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-10 06:56:51 +00:00
Michael Niedermayer
f1b37db48d move the &1 out of the asm so gcc can optimize it away in inlined cases (yes this is slightly faster)
Originally committed as revision 6616 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-10 01:17:39 +00:00
Michael Niedermayer
ab0151d163 replace a few and/sub/... by cmov
this is faster on P3, should be faster on AMD, and should be slower on P4
its disabled by default (benchmarks welcome so we know when to enable it)

Originally committed as revision 6615 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-10 01:08:39 +00:00
Michael Niedermayer
a6672acf45 reading 8bit mem into a 8bit register needs 2 uops on P4, 8bit->32bit with zero extension needs just 1
Originally committed as revision 6612 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 21:57:10 +00:00
Michael Niedermayer
2d3df05ca0 on the P4 inc needs twice as much time a add
Originally committed as revision 6611 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 21:39:07 +00:00
Michael Niedermayer
2ee9dc65be 10l
Originally committed as revision 6610 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 21:21:10 +00:00
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
Luca Barbato
b420448e38 removing ALTIVEC_USE_REFERENCE_C_CODE, since has no use anymore
Originally committed as revision 6606 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 18:29:46 +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
Luca Barbato
441e8fe9c9 add_bytes passes tests
Originally committed as revision 6600 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-09 13:37:43 +00:00