Clément Bœsch
f263426eed
lavu/math: fix than/then typo, and add a comma.
12 years ago
Michael Niedermayer
740e740895
av_rescale: support passing MIN/MAX through
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Reviewed-by: Clément Bœsch <ubitux@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
2bcbdd8456
lavu: add more doxy to av_rescale_delta
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
8766ad9eb1
lavu: add av_rescale_delta()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
90d4b07063
mathemathics: update copyright years
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Ronald S. Bultje
a1245d5ca1
mathematics: Don't use division by zero in NAN/INFINITY macros
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Some compilers, MSVC among them, don't recognize the divisions by
zero as meaning infinity/nan.
These macros should, according to the standard, expand to constant
expressions, but this shouldn't matter for our usage.
Signed-off-by: Martin Storsjö <martin@martin.st>
13 years ago
Carl Eugen Hoyos
15bde06084
Revert "mathematics.h: remove a couple of math defines"
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This reverts commit a2b186a188
.
The defines were present for several years, removing
them without a version bump may break API.
(Fixes MPlayer compilation.)
13 years ago
Janne Grunau
a2b186a188
mathematics.h: remove a couple of math defines
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While these defines are not defined by the C standard they are
standardized as X/Open System Interfaces Extension. We use the
appropiate _XOPEN_SOURCE define to make them available. They
seem to be available on all FATE configs since the constants
are used in files where mathematics.h is not included.
13 years ago
Justin Ruggles
0b42a9388c
avutil: add av_rescale_q_rnd() to allow different rounding
13 years ago
Luca Barbato
757cd8d876
doxy: provide a start page and document libavutil
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Introduce a basic layout, the subpages are currently left empty.
Split libavutil in multiple groups as example of the structure
13 years ago
Mans Rullgard
2912e87a6c
Replace FFmpeg with Libav in licence headers
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Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Stefano Sabatini
448524777a
Add the M_PHI constant, contains an approximation of the golden ratio
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irrational number.
Originally committed as revision 24439 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Måns Rullgård
49bd8e4b84
Fix grammar errors in documentation
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Originally committed as revision 23904 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Stefano Sabatini
297084275c
Fix av_compare_mod() doxy.
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Originally committed as revision 23593 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Michael Niedermayer
65db0587a8
Add av_compare_mod()
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Originally committed as revision 23551 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Alex Converse
b9f60bd8fd
Add M_SQRT2 to the constants in mathematics.h.
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Originally committed as revision 22825 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Benoit Fouet
32e543f866
Replace @returns by @return .
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Originally committed as revision 22729 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Måns Rullgård
2ed6f39944
Replace many includes of libavutil/common.h with what is actually needed
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This reduces the number of false dependencies on header files and
speeds up compilation.
Originally committed as revision 22407 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Måns Rullgård
94a5218c10
More accurate value for log2(10)
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Originally committed as revision 21946 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Måns Rullgård
e4a35244fa
Replace log2f(10) with a constant
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Originally committed as revision 21924 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Michael Niedermayer
78b0182375
av_compare_ts()
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Originally committed as revision 21671 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Michael Niedermayer
bac24dd2a5
2nd try on documenting av_gcd().
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Originally committed as revision 20939 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Michael Niedermayer
03703cb3d1
Document av_gcd().
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Originally committed as revision 20935 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Måns Rullgård
bd41c06f18
Define INFINITIY and NAN in mathematics.h if missing
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Originally committed as revision 19611 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Diego Biurrun
b69201a82c
Add common.h #include, necessary for av_const.
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Originally committed as revision 16844 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Diego Biurrun
89c9ff504b
spelling/grammar/consistency review part I
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Originally committed as revision 16840 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Aurelien Jacobs
9ce6c13879
export gcd function as av_gcd()
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Originally committed as revision 16653 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Stefano Sabatini
987903826b
Globally rename the header inclusion guard names.
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Consistently apply this rule: the guard name is obtained from the
filename by stripping the leading "lib", converting '/' and '.' to
'_' and uppercasing the resulting name. Guard names in the root
directory have to be prefixed by "FFMPEG_".
Originally committed as revision 15120 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Aurelien Jacobs
5af4f1f3e3
move M_PI definition along with other math definitions
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Originally committed as revision 14727 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Aurelien Jacobs
d1a12956a0
define some math constants so as not to depend on _XOPEN_SOURCE
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Originally committed as revision 14725 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Zuxy Meng
85074d3c93
Reapply r12489: Add pure, const and malloc attributes to proper functions
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in libavutil.
Fix a compilation failure in r12489.
Originally committed as revision 12498 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Benoit Fouet
2119bb8f51
revert r12489.
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Originally committed as revision 12490 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Zuxy Meng
6544f48f03
Pure, const and malloc attributes to libavutil.
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Patch by Zuxy Meng: zuxy meng gmail com
Original thread:
[FFmpeg-devel] [PATCH] Pure, const and malloc attributes to libavutil
Date: 03/18/2008 6:09 AM
Originally committed as revision 12489 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
6ef2912879
Add missing stdint.h #include to headers that use it.
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Originally committed as revision 12429 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
5b21bdabe4
Add FFMPEG_ prefix to all multiple inclusion guards.
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Originally committed as revision 10765 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
b78e7197a8
Change license headers to say 'FFmpeg' instead of 'this program/this library'
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and fix GPL/LGPL version mismatches.
Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Diego Biurrun
04d7f60143
Add official LGPL license headers to the files that were missing them.
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Originally committed as revision 6219 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Alexander Strasser
c11c2bc20b
libavutil: Utility code from libavcodec moved to a separate library.
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Originally committed as revision 4489 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago