Commit Graph

14 Commits

Author SHA1 Message Date
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