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238 Commits

Author SHA1 Message Date
Michael Niedermayer
2c8077621b Optimize ff_snow_horizontal_compose97i. 
this makes the 9/7 C wavelet at the decoder side 22% faster.
The old code is changed to match the new in terms of the order of operations
(which also makes it sligtly faster)

Originally committed as revision 21132 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-01-11 02:52:50 +00:00
Michael Niedermayer
233a8b3d6b Merge vertical_compose53iL0*() 
8% faster C 5/3 wavelet at the decoder side.

Originally committed as revision 21131 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-01-11 01:00:50 +00:00
Michael Niedermayer
2a84512a74 Optimize horizontal_compose53i() by inlining inv_lift() and optimizing the 
resulting code slightly. ~30% faster C 5/3 wavelet at the decoder side.

Originally committed as revision 21130 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-01-11 00:54:48 +00:00
Jai Menon
4536c8e603 Snow : re-indent after r21093. 
Originally committed as revision 21094 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-01-08 16:37:32 +00:00
Jai Menon
a4bd598541 Snow : remove pointless 'if(1)'. 
Originally committed as revision 21093 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-01-08 16:34:50 +00:00
Jai Menon
2da16f288a Snow : use non-NULL context for av_log. 
Originally committed as revision 21089 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-01-08 14:45:24 +00:00
Jai Menon
8ec5a042e4 Cosmetics : remove duplicated comment. 
Originally committed as revision 21088 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-01-08 14:33:35 +00:00
Jai Menon
e8c6411ce3 Snow : release buffers allocated using avctx->get_buffer. 
Originally committed as revision 21084 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-01-08 05:09:17 +00:00
Michael Niedermayer
c267bb038e Fix 1 pass RC in snow. 
Fixes issue547.

Originally committed as revision 20706 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-12-02 20:07:23 +00:00
Diego Biurrun
d773d85515 Reorder functions so that encoding functions are disabled by the preprocessor. 
Fixes compilation with disabled optimizations and enabled Snow decoder.

Originally committed as revision 19914 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-18 19:45:09 +00:00
Baptiste Coudurier
2b2b7f41de snow decoder uses get_buffer, set CODEC_CAP_DR1 
Originally committed as revision 19104 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-06-05 08:40:31 +00:00
Michael Niedermayer
9a3eaeebad Correct x/ymin to avoid segfault due to out of picture reads. 
Originally committed as revision 18771 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-05-08 15:14:36 +00:00
Michael Niedermayer
3788e661f1 Optimize sign handling in get_symbol(). 
Originally committed as revision 18672 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-24 00:26:49 +00:00
Michael Niedermayer
e1b3d27272 Remove 2 useless FFMIN(). 
Originally committed as revision 18664 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-22 22:05:34 +00:00
Michael Niedermayer
7bdf2eb8c4 Remove apparently redundant code. 
Originally committed as revision 18663 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-22 21:44:41 +00:00
Lars Täuber
a4873f7d9d Fix indention, patch by Lars Täuber. 
Originally committed as revision 18594 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 19:29:54 +00:00
Michael Niedermayer
29322398fc Remove unused variable from slice_buffer_release() found by CSA. 
Originally committed as revision 18570 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 17:39:09 +00:00
Michael Niedermayer
75eaa91c15 Remove unused variables from slice_buffer_load_line() found by CSA. 
Originally committed as revision 18561 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 15:01:58 +00:00
Diego Biurrun
64bde1974b cosmetics: Rename prn variable to prng (Pseudo Random Number Generator). 
Originally committed as revision 18422 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-10 17:23:38 +00:00
Michael Niedermayer
cc0241283b Make sure the next used frame is released so get_buffer() wont fail. 
Originally committed as revision 18399 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-09 21:19:25 +00:00
Michael Niedermayer
38fd076c21 Move release_buffer() up so it is prior to a future call to it. 
Originally committed as revision 18398 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-09 21:17:53 +00:00
Michael Niedermayer
0a08b5735b Factorize release_buffer() 
Originally committed as revision 18397 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-09 20:44:18 +00:00
Michael Niedermayer
eebbb33abf Make sure spatial_decomposition_count is not too large for picture size. 
this led to an infinite loop in mirror().

Originally committed as revision 18396 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-09 20:23:13 +00:00
Michael Niedermayer
69409ccb80 Skip non intra frames that have no reference frames. 
Originally committed as revision 18395 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-09 20:13:35 +00:00
Michael Niedermayer
440882f7be Make sure spatial_decomposition_count is >0. 
Originally committed as revision 18394 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-09 19:45:10 +00:00
Michael Niedermayer
dc7f45a08e Make sure the block array is of the correct size. 
This might have been exploitable.

Originally committed as revision 18393 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-09 18:47:50 +00:00
Michael Niedermayer
bc4350a333 Check spatial_decomposition_count too, fixes another crash. 
Originally committed as revision 18392 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-09 18:37:26 +00:00
Michael Niedermayer
45d1d9794d 10l, forgot to remove old code, which broke snow. 
Originally committed as revision 18391 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-09 18:29:54 +00:00
Michael Niedermayer
158f189f82 Factorize check of read symbols. 
Originally committed as revision 18390 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-09 18:21:51 +00:00
Michael Niedermayer
a794356602 Fix spatial_decomposition_type validity check. 
Fixes infinite loop (did no investigate why exactly it got stuck).

Originally committed as revision 18389 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-09 15:33:02 +00:00
Michael Niedermayer
f0812be883 Fix crash when max_ref_frames was out of range. 
This might have been exploitable.
Fixes first crash of issue840.

Originally committed as revision 18388 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-09 15:17:03 +00:00
Thilo Borgmann
7a00bbad21 Implement avcodec_decode_video2(), _audio3() and _subtitle2() which takes an 
AVPacket argument rather than a const uint8_t *buf + int buf_size. This allows
passing of packet-specific flags from demuxer to decoder, such as the keyframe
flag, which appears necessary to playback corePNG P-frames.

Patch by Thilo Borgmann thilo.borgmann googlemail com, see also the thread
"Google Summer of Code participation" on the mailinglist.

Originally committed as revision 18351 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-07 15:59:50 +00:00
Benoit Fouet
ccc745cdf4 Move declaration of prn before any assignment. 
Originally committed as revision 18255 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-03-31 07:37:55 +00:00
Diego Biurrun
294eaa2643 Replace random() usage in test programs by av_lfg_*(). 
Originally committed as revision 18070 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-03-20 11:48:27 +00:00
Diego Biurrun
578f90a8d5 Align test program output columns. 
Originally committed as revision 18068 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-03-20 11:40:05 +00:00
Aurelien Jacobs
199436b952 moves mid_pred() into mathops.h (with arch specific code split by directory) 
Originally committed as revision 16681 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-01-18 22:57:40 +00:00
Aurelien Jacobs
9ce6c13879 export gcd function as av_gcd() 
Originally committed as revision 16653 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-01-17 11:13:33 +00:00
Aurelien Jacobs
b250f9c66d Change semantic of CONFIG_*, HAVE_* and ARCH_*. 
They are now always defined to either 0 or 1.

Originally committed as revision 16590 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-01-13 23:44:16 +00:00
Michael Niedermayer
fe5c7e588d More POSIX _t namespace cleanup. 
Originally committed as revision 16082 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-12-12 16:21:23 +00:00
Michael Niedermayer
a6f2c0d6e5 Fix regression test failure with pthreads on multiprocessor systems. 
Fixes issue517

Originally committed as revision 15976 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-12-02 10:43:08 +00:00
Måns Rullgård
bd2b6b33bf snow: move scratch buffer from stack to malloced buffer in context 
This is required to ensure 16-byte alignment.

Originally committed as revision 15934 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-11-25 00:20:49 +00:00
Mathieu Malaterre
7942269b71 cosmetics: s/const static/static const/g 
patch by Mathieu Malaterre, mathieu.malaterre gmail com

Originally committed as revision 14850 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-19 20:04:46 +00:00
Stefan Gehrer
cf2baeb338 mark read-only data as const 
Originally committed as revision 13947 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-06-24 20:01:31 +00:00
Stefano Sabatini
fe4bf37455 Make AVCodec long_names definition conditional depending on CONFIG_SMALL. 
Originally committed as revision 13759 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-06-12 21:50:13 +00:00
Stefano Sabatini
162d4fc99d Add long names to AVCodec declarations. 
patch by Stefano Sabatini, stefano.sabatini-lala poste it

Originally committed as revision 13009 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-04-27 22:39:51 +00:00
Zuxy Meng
98a6fff98c Apply 'cold' attribute to init/uninit functions in libavcodec 
Originally committed as revision 12525 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-03-21 03:11:20 +00:00
Aurelien Jacobs
9701840bb5 add FF_ prefix to all (frame)_TYPE usage 
Originally committed as revision 12399 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-03-09 23:31:02 +00:00
Diego Biurrun
e73e4e75f9 cosmetics: Fix indentation in a few more places. 
Originally committed as revision 12381 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-03-08 20:27:16 +00:00
Diego Biurrun
ef3dfbd427 cosmetics: Normalize {} placement after for, while, if. 
Originally committed as revision 12380 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-03-08 20:24:24 +00:00
Aurelien Jacobs
5a6a9e78ab move draw_edges() into dsputil 
Originally committed as revision 12309 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-03-04 00:07:41 +00:00