Michael Niedermayer
783df5f347
denoise_dct_mmx()
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Originally committed as revision 2657 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-01-02 22:29:08 +00:00
Michael Niedermayer
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
Michael Niedermayer
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
Michael Niedermayer
642ccefbc8
move mmx quantizer matrixes out of MpegEncContext (23k -> 7k) (no meassureable slowdown)
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Originally committed as revision 2412 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-10-22 11:23:39 +00:00
Michael Niedermayer
f818862633
fixing thread safety, this may cause alignment problms (if it does than the stuff should be moved to MpegEncContext)
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Originally committed as revision 2124 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-08-15 19:58:27 +00:00
Zdenek Kabelac
d04fdff161
* oops - reversed last commit
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Originally committed as revision 1868 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-05-13 08:21:35 +00:00
Zdenek Kabelac
2def278a45
* sync
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Originally committed as revision 1865 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-05-12 17:59:26 +00:00
Michael Niedermayer
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
Zdenek Kabelac
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
Michael Niedermayer
6772518310
finetuneing thresholds/factors
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nicer mb decission
a few minor improvements & fixes
Originally committed as revision 1472 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-01-19 17:55:13 +00:00
Michael Niedermayer
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
Arpi
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
Michael Niedermayer
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
Michael Niedermayer
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
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)
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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
Michael Niedermayer
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
Fabrice Bellard
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
Juanjo
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
Michael Niedermayer
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
Arpi
3cb32e3d1f
PATCH by Rik Snel <rsnel@cube.dyndns.org>
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this includes the range for quantized dct coefficients in dct_quantize() (-1023...1023)
Originally committed as revision 291 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-02-09 01:25:06 +00:00
Arpi
5dfd24ac98
workaround gcc bug "m" (0)
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avoiding useage of ebx
Originally committed as revision 283 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-01-28 19:34:16 +00:00
Michael Niedermayer
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
