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25 Commits

Author SHA1 Message Date
Mans Rullgard
23ce6e7212 get_bits: remove x86 inline asm in A32 bitstream reader 
x86 does not use this variant so having inline asm there
is pointless.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-07-01 22:18:50 +01:00
Diego Biurrun
be73d76b34 cosmetics: fix some then/than typos 2011-06-30 22:56:11 +02:00
Mans Rullgard
e01e05ee66 get_bits: add av_unused tag to cache variable 
This silences numerous compiler warnings from skip_bits(),
where the cache variable is not used.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-05-28 17:04:47 +01:00
Alex Converse
47bc52f821 get_bits: make cache unsigned to eliminate undefined signed overflow. 2011-05-03 21:14:39 -07:00
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
Mans Rullgard
611a6f59ce get_bits: move tracing macros to end of file 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-23 16:40:53 +00:00
Mans Rullgard
fb5c841d5f Sanitise get_bits macros, part 2 
These whitespace changes improve the readability of the get_bits
macros.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-23 13:57:56 +00:00
Mans Rullgard
bf5f9b528b Sanitise get_bits macros, part 1 
Some of the macros in get_bits.h include a final semicolon,
some do not.  This removes these or adds do {} while(0) around
the macros as appropriate and adds semicolons where needed in
calling code.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-23 13:57:56 +00:00
Mans Rullgard
938f72e199 Remove "libmpeg2" bitstream reader 
Using the libmpeg2 reader causes errors in a multitude of places,
including MPEG and H264 codecs.  As the advantage of this reader
is questionable, removing it seems the sensible course of action,
especially considering the simplifications this allows elsewhere
with the bit cache size increasing from 17 to 25 bits as minimum.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-23 13:57:56 +00:00
Måns Rullgård
8fc0162ac4 Add av_ prefix to bswap macros 
Originally committed as revision 24170 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-07-10 22:12:30 +00:00
Måns Rullgård
e6b22522c9 bswap: change ME to NE in macro names 
Other parts of FFmpeg use NE (native endian) rather than ME (machine).
This makes it consistent.

Originally committed as revision 24169 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-07-10 22:09:01 +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
Måns Rullgård
39261cd8d9 get/show_bits() can read up to MIN_CACHE_BITS bits 
The limit for get/show_bits_long() to use get/show_bits() directly
should be MIN_CACHE_BITS, not 17.

Originally committed as revision 21951 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-02-21 23:28:24 +00:00
Måns Rullgård
7cd7d19e86 Deobfuscate LE SHOW_[SU]BITS; these are simple sign/zero-extend 
Originally committed as revision 21948 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-02-21 21:48:40 +00:00
Måns Rullgård
5e46be96f8 Move NEG_[US]SR32 macros to mathops.h 
Originally committed as revision 21873 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-02-17 23:58:59 +00:00
Alex Converse
fd10543ef2 get_bits: Fix spelling and grammar in GET_VLC() comment. 
Originally committed as revision 21868 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-02-17 21:20:43 +00:00
Michael Niedermayer
d9ef0d2e14 Mark index as unsigend so gcc knows it doesnt need a sign extension on x86_64. 
Any tips on how i can convince gcc that it doesnt need a
mov     %eax, %eax
in every get_bits() ?

Originally committed as revision 21433 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-01-24 19:19:09 +00:00
Laurent Aimar
8880c8bcc3 Added missing const to get_bits_count(). 
Originally committed as revision 21419 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-01-24 16:22:09 +00:00
Måns Rullgård
1a91f1a0da ARM: use ALT_BITSTREAM_READER on cores with fast unaligned access 
Originally committed as revision 20911 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-12-22 08:09:46 +00:00
Ronald S. Bultje
c47ca25e74 Make get_bits_left() available for use in libavcodec (was previously held 
private in dv.c for some reason). See "[PATCH] get_bits_left()" thread.

Originally committed as revision 20490 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-11-09 22:10:43 +00:00
Francesco Lavra
91cc5d3767 Move ff_reverse in libavcodec to av_reverse in libavutil. 
Patch by Francesco Lavra, francescolavra interfree it

Originally committed as revision 20484 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-11-09 09:11:35 +00:00
Reimar Döffinger
595324e143 Completely remove INIT_VLC_USE_STATIC, it is deprecated since ages and 
finally no longer used anywhere.

Originally committed as revision 20013 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-24 15:13:34 +00:00
Lars Täuber
6249c33e5a Fix a typo in the documentation. 
Patch by Lars Täuber: firstname taeuber gmx net

Originally committed as revision 19820 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-11 06:20:05 +00:00
Reimar Döffinger
17f0c3be8e Try to clarify that anyone using get_bits must check for buffer overrun 
themselves, get_bits does not do anything in that regard.

Originally committed as revision 19794 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-08 08:30:56 +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