Michael Niedermayer
821cb11f76
noise reduction of dct coefficients
...
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
...
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)
...
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)
...
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
...
Originally committed as revision 1868 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-05-13 08:21:35 +00:00
Zdenek Kabelac
2def278a45
* sync
...
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_*
...
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
Michael Niedermayer
6772518310
finetuneing thresholds/factors
...
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
...
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
1a684b3d53
fixing encoding at high QPs (was broken after the dct accuracy increase due to too small inverse table)
...
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
...
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)
...
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
...
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
...
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
Arpi
3cb32e3d1f
PATCH by Rik Snel <rsnel@cube.dyndns.org>
...
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)
...
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)
...
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
