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12 Commits

Author SHA1 Message Date
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