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53 Commits

Author SHA1 Message Date
Janne Grunau
8b4119187b cabac: remove leftovers from the cabac encoder 
The cabac encoder was only used by the removed cabac test.

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2014-01-14 22:19:03 +01:00
Anton Khirnov
cab8c5f8e1 h264: do not reinitialize the global cabac tables at each slice header 2013-09-24 17:13:52 +02:00
Anton Khirnov
e880418660 cabac: remove write-only h264_mps_state[] 2013-09-24 17:13:17 +02:00
Michael Niedermayer
0fe4b48540 cabac: remove unused argument of ff_init_cabac_states() 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2013-03-13 09:14:05 +01:00
Diego Biurrun
da39cac8de Drop broken and unused CABAC test program. 2012-11-14 00:36:17 +01:00
Roland Scheidegger
14e9ffc1e4 h264: use one table instead of several for cabac functions 
The reason is this is easier for PIC code (in particular on darwin...).
Keep the old names as pointers (static in cabac_functions.h so gcc
knows these are just immediate offsets) so the c code can nicely stay the same
(alternatively could use offsets directly in the functions needing the
tables). This should produce the same code as before with non-pic and better
code (confirmed) with pic.

The assembly uses the new table but still won't work for PIC case.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2012-04-28 08:26:12 -07:00
Diego Biurrun
55b9ef18e4 cabac: split cabac.h into declarations and function definitions 
This fixes standalone compilation of some decoders with --disable-optimizations.
cabac.h defines some inline functions that use symbols from cabac.c.  Without
optimizations these inline functions are not eliminated and linking fails with
references to non-existing symbols.

Splitting the inline functions off into their own header and only #including
it in the places where the inline functions are used allows #including cabac.h
from anywhere without ill effects.
 2012-01-12 23:08:23 +01:00
Diego Biurrun
0a60780c7f cabac: Mark ff_h264_mps_state array as static, it is only used within cabac.c. 2012-01-12 22:57:42 +01:00
Diego Biurrun
64d779f2f7 cabac: Remove ff_h264_lps_state array. 
It was only ever used in the cabac test program, but never initialized.
 2012-01-12 22:54:24 +01:00
Diego Biurrun
1ef8ff4534 cabac: remove put_cabac_u/ueg from cabac-test. 
The functions are not used in any part of Libav, therefore testing them in the
cabac-test is unnecessary. Since this makes them unused, remove the functions.
 2012-01-09 14:10:41 +01:00
Diego Biurrun
badb195d13 cabac: Move code only used within the CABAC test program into the test program. 2012-01-07 22:13:14 +01:00
Diego Biurrun
9dec55748c cabac: drop unused and disabled get_cabac_u() / get_cabac_ueg() functions 2012-01-04 01:09:54 +01:00
Diego Biurrun
e451c26c5f cabac: drop unused STRICT_LIMITS code branch 2012-01-04 01:09:53 +01:00
Diego Biurrun
fd065d3e79 cabac: Move code only used in the cabac test program to cabac.c. 2011-07-17 12:56:42 +02:00
Diego Biurrun
356be9307c Remove unused structs and tables. 2011-07-16 01:08:31 +02:00
Mans Rullgard
8fcc0e7978 cabac: remove BRANCHLESS_CABAC_DECODER switch 
The code does not compile without this set.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-06-20 22:36:29 +01:00
Mans Rullgard
2912e87a6c Replace FFmpeg with Libav in licence headers 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-03-19 13:33:20 +00:00
Diego Biurrun
ba87f0801d Remove explicit filename from Doxygen @file commands. 
Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.

Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-04-20 14:45:34 +00:00
Stefano Sabatini
9106a698e7 Rename bitstream.h to get_bits.h. 
Originally committed as revision 18494 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-13 16:20:26 +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
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
bad5537e2c Use full internal pathname in doxygen @file directives. 
Otherwise doxygen complains about ambiguous filenames when files exist
under the same name in different subdirectories.

Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-02-01 02:00:19 +00:00
Diego Biurrun
245976da2a Use full path for #includes from another directory. 
Originally committed as revision 13098 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-05-09 11:56:36 +00:00
Diego Biurrun
07ad12ecdd Fix test program compilation: Add missing #include and update the call 
of ff_init_cabac_states() to account for API changes.

Originally committed as revision 11602 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-01-23 10:23:24 +00:00
Diego Biurrun
07e4e3ea8b Consistently use TEST as the preprocessor condition to enable test code. 
Originally committed as revision 11581 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-01-20 23:53:51 +00:00
Diego Biurrun
f8a80fd69d main() --> main(void) 
Originally committed as revision 11079 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-11-23 00:52:56 +00:00
Panagiotis Issaris
d04d5bcd0e Fix the self tests which are contained in some codecs and are using random(). 
Originally committed as revision 9755 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-07-19 08:47:07 +00:00
Diego Biurrun
e5a389a1b7 license header consistency cosmetics 
Originally committed as revision 9484 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-07-05 10:40:25 +00:00
Jindřich Makovička
a0f2c6ba38 Kill a warning with MSVC 
Patch by Jindrich Makovicka makovick A gmail P com
Original thread:
Date: 08:21 AM
Subject Re: [Ffmpeg-devel] Weird line in cabac.h

Originally committed as revision 6726 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-18 09:37:25 +00:00
Michael Niedermayer
f24a515931 shift CABACContext.range right, this reduces the number of shifts needed in get_cabac() and is slightly faster on P3 (and should be much faster on P4 as the P4 except the more recent variants lacks an integer shifter and so shifts have ~10 times longer latency then simple operations like adds) 
Originally committed as revision 6702 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-15 20:40:50 +00:00
Michael Niedermayer
68a205edef dehack *ps_state indexing in the branchless decoder 
Originally committed as revision 6683 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-13 14:21:25 +00:00
Michael Niedermayer
d61c4e731e make state transition tables global as they are constant and the code is slightly faster that way 
Originally committed as revision 6655 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-11 14:44:17 +00:00
Michael Niedermayer
0fa352c7e6 make lps_range a global table its constant anyway (saves 1 addition for accessing it) 
Originally committed as revision 6653 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-11 13:21:42 +00:00
Diego Biurrun
0bc2e7f081 BRANCHLESS_CABAD --> BRANCHLESS_CABAC_DECODER 
Originally committed as revision 6623 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-10 08:16:41 +00:00
Michael Niedermayer
7822e1c1ff reverse remainder of the failed attempt to optimize *state=c->mps_state[s] 
Originally committed as revision 6609 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-09 21:14:16 +00:00
Michael Niedermayer
2e1aee80f4 optimize branchless C CABAC decoder 
Originally committed as revision 6607 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-09 20:44:11 +00:00
Michael Niedermayer
c010d69a75 decrease ff_h264_norm_shift[] size 
Originally committed as revision 6596 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-09 00:59:42 +00:00
Michael Niedermayer
260ceb6322 branchless renormalization (1% faster get_cabac) old branchless renormalization wasnt faster because gcc was scared of the shift variable (missusing bit variable now) 
Originally committed as revision 6587 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-08 13:20:22 +00:00
Michael Niedermayer
99ce10873d 5% faster get_cabac() 
Originally committed as revision 6586 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-08 11:24:37 +00:00
Diego Biurrun
b78e7197a8 Change license headers to say 'FFmpeg' instead of 'this program/this library' 
and fix GPL/LGPL version mismatches.

Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-07 15:30:46 +00:00
Diego Biurrun
5509bffa88 Update licensing information: The FSF changed postal address. 
Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-12 22:43:26 +00:00
Diego Biurrun
115329f160 COSMETICS: Remove all trailing whitespace. 
Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-17 18:14:38 +00:00
Michael Niedermayer
6041c21749 fixing selftest 
Originally committed as revision 3820 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-01-11 03:18:08 +00:00
Michael Niedermayer
caa336b4cc common.c -> bitstream.c (and the single non bitstream func -> utils.c) 
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
ec7eb8966c optimization 
Originally committed as revision 3639 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-10-26 03:12:21 +00:00
Michael Niedermayer
bba8334965 overread fix 
Originally committed as revision 3294 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-07-08 00:53:21 +00:00
Michael Niedermayer
e96682e6f4 some of the warning fixes by (Michael Roitzsch <mroi at users dot sourceforge dot net>) 
Originally committed as revision 3140 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-05-18 17:09:46 +00:00
Laurent Aimar
e5017ab870 h264 - progressive I frame CABAC support patch by (Laurent Aimar <fenrir at via dot ecp dot fr>) 
Originally committed as revision 2932 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-03-26 19:35:53 +00:00
Alex Beregszaszi
ed7debda14 removed the obsolete and unused parameters of init_put_bits 
Originally committed as revision 2366 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-10-12 21:25:00 +00:00
Michael Niedermayer
5e20f836b3 FFV1 codec (our very simple lossless intra only codec, compresses much better then huffyuv) 
Originally committed as revision 1939 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-06-09 02:24:51 +00:00