3d71589f27
cleanup
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Originally committed as revision 1171 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-11-05 17:31:26 +00:00
bb6f569072
new generic FFT/MDCT code for audio codecs
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Originally committed as revision 1088 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-10-28 00:34:08 +00:00
50eb9cbc44
idct_permutation_type variable, so the permutation type can quickly be identified
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Originally committed as revision 1071 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-10-25 13:39:47 +00:00
2ad1516a6c
idct permutation cleanup, idct can be selected per context now
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fixing some threadunsafe code
Originally committed as revision 980 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-29 22:44:22 +00:00
084c726ba3
pix_sum16_mmx()
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Originally committed as revision 961 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-20 10:03:01 +00:00
3f09f52adf
fdct_mmx -> ff_fdct_mmx (renamed to avoid namespace conflict with xvid)
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[found by Kim Minh Kaplan]
Originally committed as revision 960 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-19 22:14:53 +00:00
b318477992
put/avg_pixels16
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fixing 2 small qpel bugs
Originally committed as revision 915 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-11 12:39:53 +00:00
1a684b3d53
fixing encoding at high QPs (was broken after the dct accuracy increase due to too small inverse table)
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Originally committed as revision 901 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-02 16:56:29 +00:00
ad324c9351
dct cleanup
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more accurate mmx dct (dont discard bits for fun)
fixing mmx quantizer bug for qscale%2==1 (bias was slightly wrong)
Originally committed as revision 895 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-01 16:52:33 +00:00
1565dabc1a
be less verbose patch by (Lennert Buytenhek <buytenh at math dot leidenuniv dot nl>)
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Originally committed as revision 889 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-01 07:26:43 +00:00
e7fce5e9fb
bitexact hack for the simple mmx idct
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Originally committed as revision 886 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-31 14:17:51 +00:00
28db7fce02
slow but accurate integer dct from IJG (should be ok with the LGPL as the old DCT is the fast integer DCT from IJG)
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per context DCT selection
Originally committed as revision 878 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-29 23:55:32 +00:00
0778718635
warning patch by (Dominik Mierzejewski <dominik at rangers dot eu dot org>)
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Originally committed as revision 872 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-28 08:15:30 +00:00
9f36153415
dont trash mm0, its still used in the next iteration of the loop (fixes strange horizontal lines on some blocks in b frames on mmx only cpus)
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Originally committed as revision 855 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-20 19:23:06 +00:00
87f8cab45b
mpeg4 mpeg quantizer encoding
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Originally committed as revision 844 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-06 23:51:15 +00:00
4afeaec92f
pix_abs mmx2 isnt bit-exact ...
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Originally committed as revision 781 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-21 00:48:50 +00:00
39825f315f
* reimplemented remaing avg_ pixel functions
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* modified PAVGB mmx macro to select mmx register with FE constant
Originally committed as revision 657 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-03 17:35:35 +00:00
d3cd07425a
* implemented remaing avg_ pixel functions (these are not used offen)
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Originally committed as revision 656 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-03 17:31:46 +00:00
fca0f0e59f
* removed MANGLE from macros for setting constants
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* using MOVQ_WONE/MOVQ_BFE as two instruction instead of static memory value access
as its always faster
* PAVGB_MMX macro is using now mm6 -> mm7 is unmodified
* replaced original pixels_xy2_mmx with new faster and equal implementation
* replaced usage of mm7 for other then ZERO contstant in _rnd & _avg file with mm6
Originally committed as revision 632 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-30 15:14:56 +00:00
ff9657069a
* using unrolled loops seems to help to MMX Celerons
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* calculating average in parallel to use two MMX units
* disabled xy2 put code - it's producing rouding errors
Originally committed as revision 626 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-29 20:00:10 +00:00
6aa6ea8e11
* reenabled original xy2 put routine - rounding error is really bad with
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the new code
* added PAVGP macros for parallel processing to safe few more cycles on
celerons
Originally committed as revision 625 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-29 19:57:21 +00:00
91abb473fb
* code with new PAVGB for MMX only CPU splited into separate file
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and being compiled in the same way as _avg.h
* PAVG_MMX macros accept also output parameter
* implemented faster put_pixels_xy2, but it has slightly smaller precission.
But there is not visible difference in the image quality - might be eventualy
easily switched back (#if 0 #endif)- please check
Originally committed as revision 624 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-29 17:16:22 +00:00
def60345ad
* new mmx code - based upon http://aggregate.org/MAGIC
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for now it's rather sneak preview (new functions are nearly 100% faster)
Originally committed as revision 623 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-29 14:29:48 +00:00
541027e26a
* cosmetic minor change
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Originally committed as revision 622 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-29 14:20:48 +00:00
d17b6f0bbb
* optimized remaing avg_pixels_xy2
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Originally committed as revision 621 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-29 08:31:22 +00:00
e9c0a38ff0
* optimized avg_* functions (except xy2)
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* minor speedup for put_pixels_x2 & cleanup
Originally committed as revision 619 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-28 16:35:58 +00:00
c0eb0bb717
* more PIC friendly and faster code
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Originally committed as revision 616 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-27 14:09:10 +00:00
5f6230016a
* removed TESTCPU_MAIN - not needed for testing
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Originally committed as revision 615 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-27 11:32:01 +00:00
e5f3d22d35
* undefine local defines when they are no longer needed
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Originally committed as revision 612 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-27 08:37:13 +00:00
30eb039652
* avoids double inclusion of this header
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(how about making all headers in ffmpeg working this way ?)
Originally committed as revision 609 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-27 08:31:54 +00:00
ff4ec49e64
license/copyright change
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Originally committed as revision 599 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-25 22:45:33 +00:00
52af45ad77
* baling 8 seems to have the same speed
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Originally committed as revision 575 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-23 16:19:07 +00:00
fbdedc1704
* always baling even though it seems to produce sometime worse
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results then for -fPIC compilation - don't ask me why...
Originally committed as revision 573 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-23 15:57:28 +00:00
31ddcf9851
* cleanup for put_pixels_mmx
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Originally committed as revision 572 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-23 15:48:30 +00:00
ec9a41f57d
* somewhat more advanced test suit for dsp code - for now i386 only
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cd test ; make dsptest ; ./dsptest
Originally committed as revision 568 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-23 13:34:22 +00:00
6efad6fd85
* align the source initialy address
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Originally committed as revision 567 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-23 12:17:08 +00:00
2bd978bdb8
* fixed contrains and avoid usage of scale index access
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Originally committed as revision 566 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-23 10:10:14 +00:00
dcb9cd4b81
* added simple test main - see comments about how to
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compile - should be probably made as a regression test
Originally committed as revision 565 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-23 10:09:33 +00:00
ba0420d83e
using 1 operand less and slightly faster put_pixels_y2
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Originally committed as revision 564 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-22 23:18:59 +00:00
a213d66486
* fix for -fPIC compilation - compiles with 2.95.2 as well - any
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other compiler shows any problem here ??
Originally committed as revision 563 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-22 20:46:24 +00:00
4f12a4976a
removed unused code
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Originally committed as revision 543 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-20 16:25:09 +00:00
61a4e8ae3b
removed debug function
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Originally committed as revision 519 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-18 22:59:12 +00:00
9241551049
tried to avoid gcc 2.95.2 bug by puting explicit register constraints - added comment about rounding bug in some functions (need to correct or suppress them for regression tests)
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Originally committed as revision 515 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-18 22:49:11 +00:00
a7bd879798
shared lib support (req by kabi) ...
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Originally committed as revision 510 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-17 13:01:01 +00:00
607dce96c0
hopefully faster mmx2&3dnow MC
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Originally committed as revision 506 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-17 01:04:14 +00:00
ccf589a8fe
C4=16383 for the c version too and even for some outcommented code
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Originally committed as revision 433 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-02 13:35:33 +00:00
9e1795dd13
set C4 to 16383
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Originally committed as revision 432 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-02 12:51:10 +00:00
ef5b1b5a7e
- Advanced Intra Coding (AIC) support for H.263+ encoder, just DC by now.
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- Bug fix H.263+ AIC tables.
- Warning fixes.
Originally committed as revision 431 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-02 04:39:45 +00:00
d7e9533aa0
fixed msmpeg4 infinite loop if buggy stream
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rewrote quantizer
fixed bias (+10% compression/quality for h263 like codecs)
qscale=1 support
mpeg1 intra frames looks far less blocky
added codec_id field
Originally committed as revision 423 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-27 12:30:26 +00:00
cd8e5f9637
* fixes problem with -funroll-loops and buggy gcc compiler
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Originally committed as revision 421 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-24 12:18:59 +00:00
Michael Niedermayer
Fabrice Bellard
Arpi
Lennert Buytenhek
Dominik Mierzejewski
Zdenek Kabelac
Juanjo