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14 Commits

Author SHA1 Message Date
Arpi d962f6fd3a new IDCT code by Michael Niedermayer (michaelni@gmx.at) - #define SIMPLE_IDCT to enable 
Originally committed as revision 234 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-12-09 12:04:09 +00:00
Juanjo 644d98a4f2 - Preliminary RTP friendly mode for H.263. 
- GOB headers for H.263 coding on RTP mode.
- Improved GOB header detection for H.263 decoder.

Originally committed as revision 222 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-11-19 02:13:14 +00:00
Juanjo 96815ce9e2 - Added support to Inter4V+Q MBs to H.263 decoder. 
- Advanced Prediction Mode activated for H.263 decoder.
- Bug fixed on H.263+ header parsing for UFEP.
- Now we can decode VIVO v1 streams :)

Originally committed as revision 221 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-11-17 21:14:54 +00:00
Juanjo 8547282b6c - Bug fix on MV prediction for MPEG4 caused by new H.263 GOB code. 
Originally committed as revision 215 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-11-13 01:21:35 +00:00
Juanjo 102d39088b - Fixed a bug on H.263 MV prediction for MB on GOBs limits. 
- Now we can decode H.263v1 streams found on QT without problems.

Originally committed as revision 214 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-11-12 05:19:55 +00:00
Juanjo 4949028f85 - Bug fix on inter MCBPC table for inter+q. 
- H.263/H.263+ decoder now knows GOB start codes.
- H.263/H.263+ decoder now returns the size of the stream on the first call.
- Added show_bits() functions to see the buffer without loosing the bits.
- TODO: H.263v1 UMV parsing is buggy.

Originally committed as revision 204 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-11-03 00:49:53 +00:00
Juanjo ce68c16f41 Added Juergen Keil fix on quant_tab[4] type. 
Originally committed as revision 166 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-10-17 18:05:35 +00:00
Juanjo 544286b3d3 Moved some H.263+ variables to MpegEncContext to be thread-safe. 
Increase video_buffer on ffmpeg to avoid buffer overrun on big pictures.


Originally committed as revision 114 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-08-31 06:21:27 +00:00
Juanjo 6dbd39fe70 Added support to Unrestricted Motion Vectors (UMV) 
on H.263+ encoding/decoding. According to Annex D.
Now MV on H.263+ are 32x32 long.


Originally committed as revision 113 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-08-28 23:32:34 +00:00
Fabrice Bellard 935442b522 log2 to av_log2 
Originally committed as revision 101 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-08-15 13:11:31 +00:00
Fabrice Bellard d95ecd058e better vol header parsing for mpeg4 
Originally committed as revision 83 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-08-13 21:46:21 +00:00
Arpi 612476ef9b get_bits() specialization, gives 4\speedup 
Originally committed as revision 32 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-08-04 00:46:50 +00:00
Fabrice Bellard 3bb4e23a8a added skip macroblock optimization (big perf win on black regions for example) 
Originally committed as revision 13 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-07-24 20:43:41 +00:00
Fabrice Bellard de6d9b6404 Initial revision 
Originally committed as revision 5 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-07-22 14:18:56 +00:00