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ffmpeg / libavcodec / common.h @ bb71e317

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# Date Author Comment
d7e9533a 04/27/2002 12:30 PM Michael Niedermayer

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

91029be7 04/19/2002 03:25 AM Michael Niedermayer

much better ME for b frames (a bit slow though)
fixed MC rounding for b frames
fixed hq mode with b-frames

Originally committed as revision 406 to svn://svn.ffmpeg.org/ffmpeg/trunk

9dbcbd92 04/17/2002 04:32 AM Michael Niedermayer

fixed mpeg4 time stuff on encoding
mpeg4 b-frame enoding support
removed old, out-commented ratecontrol
reuse motion compensation code between encoding & decoding
prefix newly added global functions with ff_ to reduce namespace polution
b-frame ME (unfinished, but working)...

fcb609f4 04/04/2002 08:04 PM Michael Niedermayer

dump_stream support (nicely formated 0s and 1s)

Originally committed as revision 375 to svn://svn.ffmpeg.org/ffmpeg/trunk

49092244 03/24/2002 09:25 PM Michael Niedermayer

resync marker support, needed for some mp4 files

Originally committed as revision 358 to svn://svn.ffmpeg.org/ffmpeg/trunk

45870f57 03/22/2002 02:21 AM Michael Niedermayer

new motion estimation (epzs) not complete yet but allready pretty good :)
unlimited mv search range
minor bugfix in the mpeg4 header parser
reset picture in gop counter if scene change is detected

Originally committed as revision 344 to svn://svn.ffmpeg.org/ffmpeg/trunk

49c9325f 03/13/2002 07:26 PM Michael Niedermayer

support decoding (with mplayer) of 3 .mp4 files from mphq
optimize h263_pred_motion()

Originally committed as revision 330 to svn://svn.ffmpeg.org/ffmpeg/trunk

d8cf5aea 02/15/2002 12:14 AM Michael Niedermayer

optimized the normal bitstream writer, its faster than the alternative one on p3 now ... lets hope its at least not slower on p4 & k7

Originally committed as revision 299 to svn://svn.ffmpeg.org/ffmpeg/trunk

4f0f8bfc 02/12/2002 10:43 PM Michael Niedermayer

aligned bitstream writer (1% slower on p3 but perhaps its faster on p4?)

Originally committed as revision 296 to svn://svn.ffmpeg.org/ffmpeg/trunk

17592475 02/12/2002 03:43 PM Michael Niedermayer

alternative bitstream writer (disabled by default, uncomment #define ALT_BISTREAM_WRITER in common.h if u want to try it)

Originally committed as revision 295 to svn://svn.ffmpeg.org/ffmpeg/trunk

4bdd9157 01/20/2002 02:30 PM Nick Kurshev

Cygwin's mangling by Felix Buenemann <>

Originally committed as revision 273 to svn://svn.ffmpeg.org/ffmpeg/trunk

05f361f0 01/12/2002 08:21 PM Michael Niedermayer

(commited by michael / arpi was crazy enough to give me his password)
fixed a bug in get_vlc() when using the ALT_BITSTREAM_READER (rv10 & mpeg12 decoders where not working)
some optimizations
replaced a if() with a >>
changed get_bits1() a bit so it hopefully is faster on p4...

3587d501 01/11/2002 09:21 PM Michael Niedermayer

aligned bitstream support (optional) - patch by ichael Niedermayer <>

Originally committed as revision 253 to svn://svn.ffmpeg.org/ffmpeg/trunk

27a3e2c5 01/10/2002 12:56 AM Michael Niedermayer

another bitstream reader code (faster on intel cpus) - patch by Michael Niedermayer <>

Originally committed as revision 252 to svn://svn.ffmpeg.org/ffmpeg/trunk

a822a479 11/10/2001 02:36 PM Nick Kurshev

fixed gcc-3.0.x compilation (by Michael Niedermayer)

Originally committed as revision 211 to svn://svn.ffmpeg.org/ffmpeg/trunk

4949028f 11/03/2001 12:49 AM Juanjo

- 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....

f674bf71 09/23/2001 05:17 PM Fabrice Bellard

suppressed mpglib

Originally committed as revision 141 to svn://svn.ffmpeg.org/ffmpeg/trunk

73120e55 09/16/2001 09:52 PM Fabrice Bellard

version change

Originally committed as revision 129 to svn://svn.ffmpeg.org/ffmpeg/trunk

9dbf9389 09/15/2001 10:43 PM Fabrice Bellard

added get_bits_count()

Originally committed as revision 120 to svn://svn.ffmpeg.org/ffmpeg/trunk

a74127c0 08/15/2001 10:33 PM Fabrice Bellard

win32 fixes

Originally committed as revision 110 to svn://svn.ffmpeg.org/ffmpeg/trunk

0617e073 08/15/2001 01:09 PM Fabrice Bellard

log2 to av_log2 - added integer version define

Originally committed as revision 97 to svn://svn.ffmpeg.org/ffmpeg/trunk

1a565432 08/13/2001 09:48 PM Fabrice Bellard

win32 fixes

Originally committed as revision 84 to svn://svn.ffmpeg.org/ffmpeg/trunk

612476ef 08/04/2001 12:46 AM Arpi

get_bits() specialization, gives 4\speedup

Originally committed as revision 32 to svn://svn.ffmpeg.org/ffmpeg/trunk

2931ecb9 08/03/2001 11:09 PM Arpi

inlineing common case of get_bits() -> gives 2speedup. more optim coming soon...

Originally committed as revision 31 to svn://svn.ffmpeg.org/ffmpeg/trunk

420b073b 07/30/2001 11:22 PM Fabrice Bellard

added HAVE_AV_CONFIG_H

Originally committed as revision 19 to svn://svn.ffmpeg.org/ffmpeg/trunk

980fc7b8 07/23/2001 08:06 PM Fabrice Bellard

fixed config for direct mplayer build compatibility

Originally committed as revision 8 to svn://svn.ffmpeg.org/ffmpeg/trunk

de6d9b64 07/22/2001 02:18 PM Fabrice Bellard

Initial revision

Originally committed as revision 5 to svn://svn.ffmpeg.org/ffmpeg/trunk