Michael Niedermayer
934982c4ac
avoid buf_size == 0 checks in every decoder
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Originally committed as revision 3872 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-01-23 18:09:06 +00:00
Michael Niedermayer
0ecca7a49f
various security fixes and precautionary checks
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Originally committed as revision 3822 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-01-12 00:16:25 +00:00
Michael Niedermayer
caa336b4cc
common.c -> bitstream.c (and the single non bitstream func -> utils.c)
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common.h -> common.h/bitstream.h
Originally committed as revision 3777 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-12-29 17:50:25 +00:00
Michael Niedermayer
d34a07466f
switch ffv1 to the put/get_symbol() from snow
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Originally committed as revision 3659 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-10-31 12:22:00 +00:00
Michael Niedermayer
880eae9c50
switch ffv1 from CABAC to the range coder
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Originally committed as revision 3658 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-10-31 10:08:50 +00:00
Michael Niedermayer
a6c01275ad
get/set_sr_golomb() cleanup
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Originally committed as revision 3451 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-09-10 19:40:55 +00:00
Alex Beregszaszi
d58a6d8537
put the warning to the right place to avoid crashes
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Originally committed as revision 3448 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-09-10 15:38:14 +00:00
Alex Beregszaszi
4579adb00c
new signed golomb routines
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Originally committed as revision 3444 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-09-08 17:59:22 +00:00
Michael Niedermayer
fa2522d700
10l (segfault)
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Originally committed as revision 3375 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-08-03 01:07:19 +00:00
Michael Niedermayer
53db1cae1c
data_size = 0 cleanup
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Originally committed as revision 3146 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-05-21 14:37:16 +00:00
Michael Niedermayer
c172913a24
cleanup
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Originally committed as revision 3103 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-05-02 19:18:20 +00:00
Michael Niedermayer
eea8c08fa8
cleanup & memleak fix
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Originally committed as revision 3095 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-04-30 17:42:58 +00:00
Laurent Aimar
e5017ab870
h264 - progressive I frame CABAC support patch by (Laurent Aimar <fenrir at via dot ecp dot fr>)
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Originally committed as revision 2932 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-03-26 19:35:53 +00:00
Alex Beregszaszi
fe455f3328
get_bit_count -> put_bits_count
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Originally committed as revision 2752 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-02-06 15:27:31 +00:00
Michael Niedermayer
598401ceea
fix context=1
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remove always_inline, gcc fails to inline other more important inline functions otherwise ...
Originally committed as revision 2483 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-11-06 22:05:22 +00:00
Michel Bardiaux
9b87956678
av_log() patch by (Michel Bardiaux <mbardiaux at peaktime dot be>)
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Originally committed as revision 2469 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-11-03 13:26:22 +00:00
Michael Niedermayer
2cbb7820c9
ffv1 rgb support
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Originally committed as revision 2463 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-11-01 17:38:25 +00:00
Dan Christiansen
dc7cb06ae0
gcc->C99 and warning fixes patch by (Dan Christiansen <danchr at daimi dot au dot dk>)
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Originally committed as revision 2399 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-10-19 21:05:41 +00:00
Alex Beregszaszi
ed7debda14
removed the obsolete and unused parameters of init_put_bits
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Originally committed as revision 2366 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-10-12 21:25:00 +00:00
Fabrice Bellard
1df1df0b44
removed warnings
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Originally committed as revision 2246 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-09-09 22:50:44 +00:00
Michael Niedermayer
d9e6a6c629
golomb rice code cleanup / simplify (~0.5% compression gain and slightly faster)
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jpegls style golomb rice coder
Originally committed as revision 2040 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-07-13 11:06:45 +00:00
Michael Niedermayer
25bd2349ed
simpler
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Originally committed as revision 2039 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-07-12 22:15:11 +00:00
Michael Niedermayer
27fc5352d0
merge U and V statistics, 33% reduction in memory requirement, compression rate better for some files worse for others, worst compression rate loss 0.05%
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Originally committed as revision 2015 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-07-05 14:18:07 +00:00
Michael Niedermayer
d9ced4ca4b
cleanup / cosmetics
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Originally committed as revision 2001 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-07-02 16:50:20 +00:00
Michael Niedermayer
085565f71f
20% less memory needed for 8bit AC state (worst compression rate loss was 0.2%, all other files had <=0.1% loss)
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Originally committed as revision 2000 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-07-02 10:45:04 +00:00
Michael Niedermayer
2a250222e6
CONFIG_ENCODERS cleanup
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Originally committed as revision 1984 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-06-22 11:08:22 +00:00
Michael Niedermayer
11e659c203
golomb rice codes
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use gradients instead of prediction errors as context model
store independant quantization tables for each point
merge contexts with opposit sign
Originally committed as revision 1957 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-06-13 21:31:28 +00:00
Michael Niedermayer
c2f1b2cb71
reducing memory consumption (reducing number of contexts and other stuff, no noticeable loss in compression rate)
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Originally committed as revision 1942 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-06-09 23:55:16 +00:00
Michael Niedermayer
5e20f836b3
FFV1 codec (our very simple lossless intra only codec, compresses much better then huffyuv)
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Originally committed as revision 1939 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-06-09 02:24:51 +00:00
