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ffmpeg/libavutil
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Martin Storsjö 14f063d294 mem: Consistently return NULL for av_malloc(0) 
Plain POSIX malloc(0) is allowed to return either NULL or a
non-NULL pointer. The calling code should be ready to handle
a NULL return as a correct return (instead of a failure) if the size
to allocate was 0 - this makes sure the condition is handled
in a consistent way across platforms.

This also avoids calling posix_memalign(&ptr, 32, 0) on OS X,
which returns an invalid pointer (a non-NULL pointer that causes
crashes when passed to av_free).

Abort in debug mode, to help track down issues related to
incorrect handling of this case.

Signed-off-by: Martin Storsjö <martin@martin.st>
2012-04-10 11:56:42 +03:00
..
arm
remove iwmmxt optimizations
2012-03-12 22:46:56 +01:00
avr32
Replace FFmpeg with Libav in licence headers
2011-03-19 13:33:20 +00:00
bfin
Replace FFmpeg with Libav in licence headers
2011-03-19 13:33:20 +00:00
mips
Replace FFmpeg with Libav in licence headers
2011-03-19 13:33:20 +00:00
ppc
configure: Do not unconditionally add -D_POSIX_C_SOURCE to CPPFLAGS.
2011-05-12 11:41:59 +02:00
sh4
Replace FFmpeg with Libav in licence headers
2011-03-19 13:33:20 +00:00
tomi
Replace FFmpeg with Libav in licence headers
2011-03-19 13:33:20 +00:00
x86
x86inc: add *mp named argument support to DEFINE_ARGS.
2012-03-14 20:09:53 -07:00
adler32.c
tests/examples: Mark some variables only used within their files as static.
2011-12-08 01:01:00 +01:00
adler32.h
doxy: provide a start page and document libavutil
2011-11-22 17:16:02 +01:00
aes.c
Replace Subversion revisions in comments by Git hashes.
2011-12-21 09:04:25 +01:00
aes.h
doxy: provide a start page and document libavutil
2011-11-22 17:16:02 +01:00
attributes.h
Add av_printf_format, for marking printf style format strings and their parameters
2011-06-23 20:17:44 +03:00
audioconvert.c
audioconvert: make av_get_channel_layout accept composite names.
2012-04-08 18:35:49 -04:00
audioconvert.h
audioconvert: make av_get_channel_layout accept composite names.
2012-04-08 18:35:49 -04:00
avassert.h
multiple inclusion guard cleanup
2011-05-21 13:48:10 +02:00
avstring.c
avstring: Add locale independent implementations of strcasecmp/strncasecmp
2011-11-06 11:52:56 +02:00
avstring.h
doxygen: misc consistency, spelling and wording fixes
2011-12-12 23:06:23 +01:00
avutil.h
avutil: use align == 0 for default alignment in audio sample buffer functions
2012-04-09 10:20:35 -04:00
base64.c
Replace FFmpeg with Libav in licence headers
2011-03-19 13:33:20 +00:00
base64.h
doxy: provide a start page and document libavutil
2011-11-22 17:16:02 +01:00
bswap.h
bswap: make generic implementation more compiler-friendly
2011-12-12 12:14:14 +00:00
colorspace.h
Replace FFmpeg with Libav in licence headers
2011-03-19 13:33:20 +00:00
common.h
Add av_popcount64
2012-01-03 14:25:43 +01:00
cpu.c
remove iwmmxt optimizations
2012-03-12 22:46:56 +01:00
cpu.h
remove iwmmxt optimizations
2012-03-12 22:46:56 +01:00
crc_data.h
Replace FFmpeg with Libav in licence headers
2011-03-19 13:33:20 +00:00
crc.c
Code clean-up for crc.c, lfg.c, log.c, random_see.d, rational.c and tree.c.
2011-12-03 15:13:48 -08:00
crc.h
cosmetics: Remove extra newlines at EOF
2012-01-27 17:19:09 -08:00
des.c
des: add possibility to calculate DES-CBC-MAC with small buffer
2011-09-21 08:28:20 +02:00
des.h
des: add possibility to calculate DES-CBC-MAC with small buffer
2011-09-21 08:28:20 +02:00
dict.c
Remove leftover includes of strings.h
2011-11-06 11:53:05 +02:00
dict.h
docs: Fix a stray reference to tags in the generic doxy on dicts
2012-03-19 16:07:38 +02:00
error.c
avutil: add AVERROR_UNKNOWN
2012-02-25 11:49:41 -05:00
error.h
avutil: add AVERROR_UNKNOWN
2012-02-25 11:49:41 -05:00
eval.c
Mark mutable static data const where appropriate.
2012-02-21 09:47:07 -08:00
eval.h
Fix a bunch of common typos.
2011-12-11 00:32:25 +01:00
fifo.c
fifo: add FIFO API test program, and fate test
2011-08-26 20:54:36 +02:00
fifo.h
doxygen: drop another pointless star from pointer variable name
2011-08-27 14:00:54 +02:00
file.c
libavutil: Remove pointless file test program.
2012-01-26 22:44:37 +01:00
file.h
doxygen: fix usage of @file directive in libavutil/{dict,file}.h
2011-07-01 15:12:33 +02:00
imgutils.c
Replace memset(0) by zero initializations.
2012-03-28 09:38:33 +02:00
imgutils.h
doxy: provide a start page and document libavutil
2011-11-22 17:16:02 +01:00
internal.h
doxygen: misc consistency, spelling and wording fixes
2011-12-12 23:06:23 +01:00
intfloat_readwrite.c
cosmetics: Remove extra newlines at EOF
2012-01-27 17:19:09 -08:00
intfloat_readwrite.h
lavu: replace int/float punning functions
2011-12-11 18:47:19 +00:00
intfloat.h
lavu: replace int/float punning functions
2011-12-11 18:47:19 +00:00
intmath.h
doxy: provide a start page and document libavutil
2011-11-22 17:16:02 +01:00
intreadwrite.h
intreadwrite.h: fix AV_RL32/AV_RB32 signedness.
2011-06-16 20:49:19 +02:00
inverse.c
inverse.c: Replace unnecessary intmath.h header by necessary stdint.h.
2011-06-07 10:31:26 +02:00
lfg.c
cosmetics: Consistently place static, inline and av_cold attributes/keywords.
2012-04-04 14:54:13 +02:00
lfg.h
doxygen: Drop array size declarations from Doxygen parameter names.
2011-07-03 18:30:02 +02:00
libavutil.v
Add symbol versioning for shared libraries
2010-01-16 04:49:02 +00:00
libm.h
Provide a fallback version of the libm function trunc
2011-04-21 14:13:09 +03:00
lls.c
lls: use av_lfg instead of rand() in test program
2011-07-11 21:09:27 +01:00
lls.h
Replace FFmpeg with Libav in licence headers
2011-03-19 13:33:20 +00:00
log.c
Code clean-up for crc.c, lfg.c, log.c, random_see.d, rational.c and tree.c.
2011-12-03 15:13:48 -08:00
log.h
log.h: make AVClass a named struct
2011-10-12 23:39:31 +02:00
lzo.c
libavutil: Remove broken and pointless lzo test program.
2012-03-26 13:00:09 +02:00
lzo.h
doxygen: Replace '\' by '@' in Doxygen markup tags.
2011-12-07 15:29:14 +01:00
Makefile
build: Only clean the architecture subdirectory we build for.
2012-03-26 13:29:03 +02:00
mathematics.c
avutil: add av_rescale_q_rnd() to allow different rounding
2012-02-20 15:08:40 -05:00
mathematics.h
avutil: add av_rescale_q_rnd() to allow different rounding
2012-02-20 15:08:40 -05:00
md5.c
md5: cosmetics
2011-07-03 18:19:19 +01:00
md5.h
cosmetics: Remove extra newlines at EOF
2012-01-27 17:19:09 -08:00
mem.c
mem: Consistently return NULL for av_malloc(0)
2012-04-10 11:56:42 +03:00
mem.h
doxy: provide a start page and document libavutil
2011-11-22 17:16:02 +01:00
opt.c
AVOptions: don't return an invalid option when option list is empty
2011-11-11 08:27:16 +01:00
opt.h
doxy: provide a start page and document libavutil
2011-11-22 17:16:02 +01:00
parseutils.c
Replace memset(0) by zero initializations.
2012-03-28 09:38:33 +02:00
parseutils.h
doxygen: misc consistency, spelling and wording fixes
2011-12-12 23:06:23 +01:00
pixdesc.c
pixdesc: mark pseudopaletted formats with a special flag.
2012-02-08 21:01:31 +01:00
pixdesc.h
pixdesc: mark pseudopaletted formats with a special flag.
2012-02-08 21:01:31 +01:00
pixfmt.h
Revert "sws/pixfmt/pixdesc: add support for yuva444p"
2012-01-26 18:06:57 -08:00
random_seed.c
Code clean-up for crc.c, lfg.c, log.c, random_see.d, rational.c and tree.c.
2011-12-03 15:13:48 -08:00
random_seed.h
doxy: provide a start page and document libavutil
2011-11-22 17:16:02 +01:00
rational.c
libavutil: Remove pointless rational test program.
2012-03-26 13:00:09 +02:00
rational.h
doxy: provide a start page and document libavutil
2011-11-22 17:16:02 +01:00
rc4.c
Replace FFmpeg with Libav in licence headers
2011-03-19 13:33:20 +00:00
rc4.h
doxygen: Consistently use '@' instead of '\' for Doxygen markup.
2011-06-24 00:37:49 +02:00
samplefmt.c
avutil: use align == 0 for default alignment in audio sample buffer functions
2012-04-09 10:20:35 -04:00
samplefmt.h
avutil: use align == 0 for default alignment in audio sample buffer functions
2012-04-09 10:20:35 -04:00
sha.c
Move some conditionally used variables into the block where they are used.
2012-02-13 19:20:54 +01:00
sha.h
doxy: provide a start page and document libavutil
2011-11-22 17:16:02 +01:00
timer.h
timer: K&R formatting cosmetics
2012-01-05 14:48:30 +01:00
tree.c
Code clean-up for crc.c, lfg.c, log.c, random_see.d, rational.c and tree.c.
2011-12-03 15:13:48 -08:00
tree.h
doxy: provide a start page and document libavutil
2011-11-22 17:16:02 +01:00
utils.c
lavc: deprecate FF_*_TYPE macros in favor of AV_PICTURE_TYPE_* enums
2011-04-26 08:38:57 +02:00
x86_cpu.h
Replace FFmpeg with Libav in licence headers
2011-03-19 13:33:20 +00:00