821cb11f76
noise reduction of dct coefficients
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Originally committed as revision 2468 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-11-02 23:19:47 +00:00
cf3bf5bbaa
minor mmx2 optimization if the dct
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Originally committed as revision 2423 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-10-23 13:22:20 +00:00
d4961b3523
fastdiv patch by (BERO <bero at geocities dot co dot jp>) with fixes & cleanup by me
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Originally committed as revision 1879 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-05-14 15:12:13 +00:00
b0368839ac
MpegEncContext.(i)dct_* -> DspContext.(i)dct_*
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bitexact cleanup
Originally committed as revision 1617 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-03-03 14:54:00 +00:00
0c1a9edad4
* UINTX -> uintx_t INTX -> intx_t
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Originally committed as revision 1578 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-02-11 16:35:48 +00:00
ccfddafbd9
warnings patch by (bubu <bubu at bubu dot net>)
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Originally committed as revision 1386 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-01-01 15:10:45 +00:00
85bd552606
* using DSPContext - so each codec could use its local (sub)set of CPU extension
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* 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
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
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
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
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
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
9dbf1dddbd
mpeg2/mpeg4 dequantizer support (c & mmx)
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mpeg1 dequantizer optimizations
Originally committed as revision 404 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-17 16:30:31 +00:00
3bf43d42ed
mpeg4 mpeg quantizer support
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Originally committed as revision 381 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-07 02:03:32 +00:00
43f1708f8b
- Added PSNR feature to libavcodec and ffmpeg. By now just Y PSNR until I'm
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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
e7774f11ac
- Bug fix on RTYPE (rounding type) not being honoured by H.263+ decoder.
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Originally committed as revision 312 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-02-22 03:35:41 +00:00
9e15ad28bd
- Bug fixes in H.263+ Advanced INTRA Coding decoder.
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- 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
d140623fc4
- H.263+ decoder support for Advanded INTRA Coding (buggy)
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Originally committed as revision 310 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-02-18 19:33:27 +00:00
2f349de286
(commit by michael)
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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
3d9fccbf0f
(commit by michael)
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draw_edges_mmx()
Originally committed as revision 266 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-01-15 04:07:29 +00:00
badaf88eeb
(commit by michael)
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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
f12e206b47
Let loops will be aligned
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Originally committed as revision 213 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-11-11 17:55:54 +00:00
7f3f5ec87b
dct_unquantize_h263_mmx() by Michael Niedermayer <michaelni@gmx.at>
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Originally committed as revision 205 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-11-03 02:22:48 +00:00
35b2a786f5
renamed - use of s->dct_unquantize function pointer - SHOULD add faster h263 mmx specific unquantization stuff
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Originally committed as revision 23 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-07-30 23:28:35 +00:00
Michael Niedermayer
BERO
Zdenek Kabelac
bubu
Arpi
Dominik Mierzejewski
Fabrice Bellard
Juanjo
Nick Kurshev