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26 Commits

Author SHA1 Message Date
Michael Niedermayer
cf3bf5bbaa minor mmx2 optimization if the dct 
Originally committed as revision 2423 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-10-23 13:22:20 +00:00
BERO
d4961b3523 fastdiv patch by (BERO <bero at geocities dot co dot jp>) with fixes & cleanup by me 
Originally committed as revision 1879 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-05-14 15:12:13 +00:00
Michael Niedermayer
b0368839ac MpegEncContext.(i)dct_* -> DspContext.(i)dct_* 
bitexact cleanup

Originally committed as revision 1617 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-03-03 14:54:00 +00:00
Zdenek Kabelac
0c1a9edad4 * UINTX -> uintx_t INTX -> intx_t 
Originally committed as revision 1578 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-02-11 16:35:48 +00:00
bubu
ccfddafbd9 warnings patch by (bubu <bubu at bubu dot net>) 
Originally committed as revision 1386 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-01-01 15:10:45 +00:00
Zdenek Kabelac
85bd552606 * using DSPContext - so each codec could use its local (sub)set of CPU extension 
* fixing compiler warning about uninit level

Originally committed as revision 1196 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-11-11 09:44:59 +00:00
Michael Niedermayer
50eb9cbc44 idct_permutation_type variable, so the permutation type can quickly be identified 
Originally committed as revision 1071 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-10-25 13:39:47 +00:00
Michael Niedermayer
2ad1516a6c idct permutation cleanup, idct can be selected per context now 
fixing some threadunsafe code

Originally committed as revision 980 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-09-29 22:44:22 +00:00
Arpi
3f09f52adf fdct_mmx -> ff_fdct_mmx (renamed to avoid namespace conflict with xvid) 
[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
Michael Niedermayer
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) 
per context DCT selection

Originally committed as revision 878 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-29 23:55:32 +00:00
Dominik Mierzejewski
0778718635 warning patch by (Dominik Mierzejewski <dominik at rangers dot eu dot org>) 
Originally committed as revision 872 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-28 08:15:30 +00:00
Fabrice Bellard
ff4ec49e64 license/copyright change 
Originally committed as revision 599 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-05-25 22:45:33 +00:00
Juanjo
ef5b1b5a7e - Advanced Intra Coding (AIC) support for H.263+ encoder, just DC by now. 
- 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
Michael Niedermayer
d7e9533aa0 fixed msmpeg4 infinite loop if buggy stream 
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
Michael Niedermayer
9dbf1dddbd mpeg2/mpeg4 dequantizer support (c & mmx) 
mpeg1 dequantizer optimizations

Originally committed as revision 404 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-04-17 16:30:31 +00:00
Michael Niedermayer
3bf43d42ed mpeg4 mpeg quantizer support 
Originally committed as revision 381 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-04-07 02:03:32 +00:00
Juanjo
43f1708f8b - Added PSNR feature to libavcodec and ffmpeg. By now just Y PSNR until I'm 
sure it works ok. Also it's slow, so use it only when you _really_ need to
measure quality.
- Fix libavcodec Makefile to enable profiling.

Originally committed as revision 314 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-02-26 22:14:27 +00:00
Juanjo
e7774f11ac - Bug fix on RTYPE (rounding type) not being honoured by H.263+ decoder. 
Originally committed as revision 312 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-02-22 03:35:41 +00:00
Juanjo
9e15ad28bd - Bug fixes in H.263+ Advanced INTRA Coding decoder. 
- H.263+ should be able to decode streams with AIC now :)

Originally committed as revision 311 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-02-19 19:23:34 +00:00
Juanjo
d140623fc4 - H.263+ decoder support for Advanded INTRA Coding (buggy) 
Originally committed as revision 310 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-02-18 19:33:27 +00:00
Michael Niedermayer
2f349de286 (commit by michael) 
mmx & mmx2 quantizer
c dct permutation bugfix
dont copy input on intra only encodings if it can be avoided
dont draw edges on intra only stuff

Originally committed as revision 281 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-01-27 13:30:18 +00:00
Michael Niedermayer
3d9fccbf0f (commit by michael) 
draw_edges_mmx()

Originally committed as revision 266 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-01-15 04:07:29 +00:00
Michael Niedermayer
badaf88eeb (commit by michael) 
dequantizers skip trailing zeros
msmpeg4 non-intra decoder has its dequantizer "build in" now

Originally committed as revision 260 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-01-13 04:59:37 +00:00
Nick Kurshev
f12e206b47 Let loops will be aligned 
Originally committed as revision 213 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-11-11 17:55:54 +00:00
Arpi
7f3f5ec87b dct_unquantize_h263_mmx() by Michael Niedermayer <michaelni@gmx.at> 
Originally committed as revision 205 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-11-03 02:22:48 +00:00
Fabrice Bellard
35b2a786f5 renamed - use of s->dct_unquantize function pointer - SHOULD add faster h263 mmx specific unquantization stuff 
Originally committed as revision 23 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-07-30 23:28:35 +00:00