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Michael Niedermayer 01d245ef43 random_seed: Rewrite the generic clock() based seed code 
The new code is faster and reuses the previous state in case of
multiple calls.

The previous code could easily end up in near-infinite loops,
if the difference between two clock() calls never was larger than
1.

This makes fate-parseutils finish in finite time when run in wine,
if CryptGenRandom isn't available (which e.g. isn't available if
targeting Windows RT/metro).

Patch originally by Michael Niedermayer but with some modifications
by Martin Storsjö.

Signed-off-by: Martin Storsjö <martin@martin.st>
2014-01-06 18:53:58 +02:00
..
arm
arm: float_dsp: Propagate cpu_flags to vfp initialization function
2013-08-29 11:24:14 +02:00
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
mips: intreadwrite: fix inline asm for gcc 4.8
2012-05-09 13:45:22 +01:00
ppc
ppc: Add and use convenience macro to check for AltiVec availability
2013-08-28 23:54:15 +02:00
sh4
Replace FFmpeg with Libav in licence headers
2011-03-19 13:33:20 +00:00
tomi
intreadwrite: tomi: Add missing attributes.h #include for av_always_inline
2013-02-20 00:45:30 +01:00
x86
libavutil: x86: Add AVX2 capable CPU detection.
2013-10-25 19:36:55 +01:00
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
avutil: Add functions for allocating opaque contexts for algorithms
2012-10-11 23:35:27 +03:00
aes.h
avutil: Add functions for allocating opaque contexts for algorithms
2012-10-11 23:35:27 +03:00
atomic_gcc.h
atomic: fix CAS with armcc.
2013-03-09 08:36:40 +01:00
atomic_suncc.h
atomic: Add include guards to the implementation headers
2013-03-08 12:00:06 +02:00
atomic_win32.h
atomic: Add include guards to the implementation headers
2013-03-08 12:00:06 +02:00
atomic.c
atomics: cosmetics: Restructure ifdefs for greater clarity
2013-12-20 11:23:13 +01:00
atomic.h
atomics: cosmetics: Restructure ifdefs for greater clarity
2013-12-20 11:23:13 +01:00
attributes.h
attributes: disable flatten on llvm/clang
2013-11-03 11:51:40 +01:00
audio_fifo.c
Don't include common.h from avutil.h
2012-08-15 22:32:06 +03:00
audio_fifo.h
avutil: add audio fifo buffer
2012-04-20 09:43:11 -04:00
audioconvert.h
lavu: rename audioconvert.* to channel_layout.* and deprecate audioconvert.h
2012-11-11 13:35:12 -05:00
avassert.h
multiple inclusion guard cleanup
2011-05-21 13:48:10 +02:00
avstring.c
avstring-test: Mark pointer passed to av_free() as non-const
2013-10-23 13:17:23 +02:00
avstring.h
avstring: Add locale independent versions of some ctype.h functions
2013-03-07 15:16:26 +02:00
avutil.h
lavu: Move preprocessor macros in a separate file
2013-12-29 22:52:04 +01:00
base64.c
base64-test: Remove posibility of returning restricted exit codes
2013-10-25 11:06:32 +01:00
base64.h
doxy: provide a start page and document libavutil
2011-11-22 17:16:02 +01:00
blowfish.c
Drop pointless directory name prefixes from #includes in the current dir
2013-09-10 12:38:41 +02:00
blowfish.h
Add Blowfish encryption support in libavutil
2012-07-04 15:10:57 +03:00
bswap.h
bswap: make generic implementation more compiler-friendly
2011-12-12 12:14:14 +00:00
buffer_internal.h
AVBuffer: add a new API for buffer pools
2013-03-08 07:33:28 +01:00
buffer.c
AVBuffer: add a new API for buffer pools
2013-03-08 07:33:28 +01:00
buffer.h
avutil: doxy: Small clarification for av_buffer_create()
2013-04-30 13:33:43 -04:00
channel_layout.c
Add missing #includes for *INT64_MAX and *INT64_C
2013-11-23 21:55:52 +01:00
channel_layout.h
lavu: Add values for various Dolby flags to the AVMatrixEncoding enum.
2014-01-05 16:41:56 +01:00
colorspace.h
Replace FFmpeg with Libav in licence headers
2011-03-19 13:33:20 +00:00
common.h
Add missing #includes for *INT64_MAX and *INT64_C
2013-11-23 21:55:52 +01:00
cpu_internal.h
avutil: Refactor CPU extension availability macros
2013-08-28 23:54:14 +02:00
cpu.c
Add missing #includes for *INT64_MAX and *INT64_C
2013-11-23 21:55:52 +01:00
cpu.h
libavutil: x86: Add AVX2 capable CPU detection.
2013-10-25 19:36:55 +01:00
crc.c
crc: Move static data table from header to .c file
2013-02-11 16:48:44 +01:00
crc.h
crc: av_crc() parameter names should match between .c, .h and doxygen
2012-11-16 10:38:23 +01:00
des.c
Drop pointless directory name prefixes from #includes in the current dir
2013-09-10 12:38:41 +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
Use the avstring.h locale-independent character type functions
2013-03-07 15:16:36 +02:00
dict.h
dict: add av_dict_parse_string()
2013-01-25 17:20:03 +01:00
error.c
avutil: Add AVERROR_EXPERIMENTAL
2012-10-21 22:38:21 +02:00
error.h
error.h: Do not circularly depend on avutil.h
2013-12-25 00:12:05 +01:00
eval.c
eval: Explicitly ignore return value of strtod() in parse_db()
2013-07-27 16:00:41 +02:00
eval.h
Fix a bunch of common typos.
2011-12-11 00:32:25 +01:00
fifo.c
fifo: K&R formatting cosmetics
2013-07-06 14:28:06 +02:00
fifo.h
lavu: remove disabled FF_API_AV_FIFO_PEEK cruft
2012-10-23 07:33:05 +02:00
file_open.c
libavutil: Move avpriv_open to a new file, file_open.c
2013-08-10 00:53:33 +03:00
file.c
libavutil: Move avpriv_open to a new file, file_open.c
2013-08-10 00:53:33 +03:00
file.h
Don't include common.h from avutil.h
2012-08-15 22:32:06 +03:00
float_dsp.c
Drop pointless directory name prefixes from #includes in the current dir
2013-09-10 12:38:41 +02:00
float_dsp.h
float_dsp: Include config.h for redefining restrict
2013-01-23 11:17:32 +02:00
frame.c
frame: cosmetics, reindent
2013-12-09 08:45:08 +01:00
frame.h
avframe: add AV_FRAME_DATA_MATRIXENCODING side data type.
2014-01-05 16:41:56 +01:00
hmac.c
avutil: Add av_cold attributes to init functions missing them
2013-05-04 22:48:05 +02:00
hmac.h
lavu: Add an API for calculating HMAC (RFC 2104)
2013-01-15 11:54:19 +02:00
imgutils.c
pixdesc: rename PIX_FMT_* flags to AV_PIX_FMT_FLAG_*
2013-05-15 07:46:51 +02:00
imgutils.h
avutil: Rename ff_set_systematic_pal2() ---> avpriv_set_systematic_pal2()
2012-10-13 19:59:20 +02:00
internal.h
configure: Prefix libc-related variables with "libc_"
2013-12-09 11:47:43 +01:00
intfloat.h
intfloat: Don't use designated initializers in the public headers
2012-07-02 14:05:40 +03:00
intmath.c
lavu: add av_ctz() for trailing zero bit count
2012-11-05 15:32:29 -05:00
intmath.h
lavu: add av_ctz() for trailing zero bit count
2012-11-05 15:32:29 -05:00
intreadwrite.h
intreadwrite: Add AV_COPYxxU macros for copying to/from unaligned addresses
2012-10-23 16:54:08 +02:00
lfg.c
avformat: Remove non-compiling and/or silly commented-out printf/av_log statements
2012-10-01 10:24:28 +02:00
lfg.h
Give all anonymously typedeffed structs in headers a name
2012-10-06 09:27:11 +02:00
libavutil.v
Revert "avutil: make some tables visible again"
2012-10-23 07:33:05 +02:00
libm.h
libm: add fallbacks for various single-precision functions
2012-10-23 12:00:21 +01:00
lls.c
x86: lpc: simd av_update_lls
2013-06-29 13:23:57 +02:00
lls.h
x86: lpc: simd av_update_lls
2013-06-29 13:23:57 +02:00
log2_tab.c
avutil: Duplicate ff_log2_tab instead of sharing it across libs
2012-10-12 20:39:17 +02:00
log.c
log: pass the correct parameters to missing_feature_sample
2013-07-04 21:25:11 +02:00
log.h
doxy: Document avlog
2013-10-05 18:09:45 +02:00
lzo.c
lzo: fix overflow checking in copy_backptr()
2013-03-15 12:52:31 +01:00
lzo.h
avutil: Move memcpy_backptr() to mem.c
2012-10-25 11:36:57 +02:00
macros.h
lavu: Move preprocessor macros in a separate file
2013-12-29 22:52:04 +01:00
Makefile
lavu: Move preprocessor macros in a separate file
2013-12-29 22:52:04 +01:00
mathematics.c
mathematics: remove asserts from av_rescale_rnd()
2014-01-03 16:39:30 +01:00
mathematics.h
mathematics: Don't use division by zero in NAN/INFINITY macros
2012-07-01 19:06:13 +03:00
md5.c
Remove pointless #undefs of previously forbidden functions.
2012-12-04 21:40:22 +01:00
md5.h
avutil: Add functions for allocating opaque contexts for algorithms
2012-10-11 23:35:27 +03:00
mem.c
Move av_fast_{m,re}alloc from lavc to lavu.
2013-11-14 09:42:22 +01:00
mem.h
Move av_fast_{m,re}alloc from lavc to lavu.
2013-11-14 09:42:22 +01:00
old_pix_fmts.h
Deprecate obsolete XvMC hardware decoding support
2013-11-13 21:07:45 +01:00
opt.c
AVOptions: do not range check flag options.
2013-10-27 21:40:33 +01:00
opt.h
Give less generic names to global library option arrays
2013-08-02 19:19:02 +02:00
parseutils.c
parseutils: fix discarding const attribute warning
2013-12-12 16:10:14 +01:00
parseutils.h
doxygen: misc consistency, spelling and wording fixes
2011-12-12 23:06:23 +01:00
pixdesc.c
Deprecate obsolete XvMC hardware decoding support
2013-11-13 21:07:45 +01:00
pixdesc.h
Use correct Doxygen syntax
2013-10-03 17:53:51 +02:00
pixfmt.h
Deprecate obsolete XvMC hardware decoding support
2013-11-13 21:07:45 +01:00
random_seed.c
random_seed: Rewrite the generic clock() based seed code
2014-01-06 18:53:58 +02:00
random_seed.h
doxy: provide a start page and document libavutil
2011-11-22 17:16:02 +01:00
rational.c
Remove commented-out #includes
2013-05-15 23:01:21 +02:00
rational.h
rational: add av_inv_q() returning the inverse of an AVRational
2012-08-05 17:46:41 +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
lavu: remove disabled FF_API_GET_BITS_PER_SAMPLE_FMT cruft
2012-10-23 07:33:05 +02:00
samplefmt.h
lavu: remove disabled FF_API_GET_BITS_PER_SAMPLE_FMT cruft
2012-10-23 07:33:05 +02:00
sha.c
avutil: Add av_cold attributes to init functions missing them
2013-05-04 22:48:05 +02:00
sha.h
avutil: Add functions for allocating opaque contexts for algorithms
2012-10-11 23:35:27 +03:00
stereo3d.c
avframe: add codec-independent stereoscopic metadata
2013-12-09 16:02:43 +01:00
stereo3d.h
apidoc: fix warning from stereo3d.h
2013-12-17 09:34:08 +01:00
time.c
Drop pointless directory name prefixes from #includes in the current dir
2013-09-10 12:38:41 +02:00
time.h
lavu: add av_usleep() function
2012-06-22 17:15:18 +01:00
timer.h
Don't include common.h from avutil.h
2012-08-15 22:32:06 +03:00
tree.c
tree-test: Don't return restricted exit codes
2013-10-24 10:59:26 +01:00
tree.h
tree.h: K&R formatting and typo cosmetics
2013-07-31 18:14:08 +02:00
utils.c
lavu: Move preprocessor macros in a separate file
2013-12-29 22:52:04 +01:00
version.h
avframe: add AV_FRAME_DATA_MATRIXENCODING side data type.
2014-01-05 16:41:56 +01:00
xtea.c
Drop pointless directory name prefixes from #includes in the current dir
2013-09-10 12:38:41 +02:00
xtea.h
doxygen: Fix function parameter names to match the code
2012-08-09 20:05:55 +02:00