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41 Commits

Author SHA1 Message Date
Haixia Shi
e664f4465a doc/utils: fix atan2 parameter order 
The C library function double atan2(double y, double x) takes y as the first
parameter and x as the second parameter.

Signed-off-by: Haixia Shi <hshi@meta.com>
 2024-01-16 01:07:51 +01:00
Stefano Sabatini
7769afcab4 lavu/eval: add randomi function to compute random value in interval 2024-01-01 20:12:52 +01:00
James Almer
04e53927ad avutil/channel_layout: add a 9.1.4 channel layout 
Mapping to ITU-R BS.2051-3 "Sound System G" and ITU-R BS.1196-8 "Channel
Configuration 20".

Signed-off-by: James Almer <jamrial@gmail.com>
 2023-11-08 10:09:46 -03:00
James Almer
b4169760b0 avutil/channel_layout: add a 7.2.3 channel layout 
Mapping to ITU-R BS.2051-3 "Sound System F" and ITU-R BS.1196-8 "Channel
Configuration 15".

Signed-off-by: James Almer <jamrial@gmail.com>
 2023-11-08 10:09:46 -03:00
James Almer
35b06853d1 avutil/channel_layout: add a 3.1.2 channel layout 
Signed-off-by: James Almer <jamrial@gmail.com>
 2023-10-27 08:46:34 -03:00
Will Wolcott
e9397ae054 avutil/channel_layout: add a 7.1.4 channel layout 
Mapping to ITU-R BS.2051-3 "Sound System J" and ITU-R BS.1196-8 "Channel
Configuration 19".

Signed-off-by: Will Wolcott <wwolcott@netflix.com>
Signed-off-by: James Almer <jamrial@gmail.com>
 2023-10-27 08:46:34 -03:00
James Almer
a41c4b923d avutil/channel_layout: add a 7.1.2 channel layout 
Signed-off-by: James Almer <jamrial@gmail.com>
 2023-10-27 08:46:34 -03:00
James Almer
8d46cbce4f avutil/channel_layout: add a 5.1.4 channel layout 
Mapping to ITU-R BS.2051-3 "Sound System D" and ITU-R BS.1196-8 "Channel
Configuration 16".

Signed-off-by: James Almer <jamrial@gmail.com>
 2023-10-27 08:46:34 -03:00
James Almer
4b8404815d avutil/channel_layout: rename 7.1(top) channel layout to 5.1.2 
This layout maps to ITU-R BS.2051-3 "Sound System C" and ITU-R BS.1196-8 "Channel
Configuration 14", and it being the first layout with top layer channels, it's
best to use a different scheme to properly convey the presence and amount of said
channels.
The new name will also be a better fit for the additions in the following commits.

Signed-off-by: James Almer <jamrial@gmail.com>
 2023-10-27 08:46:34 -03:00
James Almer
6228ba141d avutil/channel_layout: add a 7.1(top) channel layout 
Signed-off-by: James Almer <jamrial@gmail.com>
 2022-11-03 19:39:45 -03:00
James Almer
83e918de71 avutil/channel_layout: add a cube channel layout 
Signed-off-by: James Almer <jamrial@gmail.com>
 2022-10-30 16:18:30 -03:00
Chema Gonzalez
59225b459f doc: fix binary values of SI prefixes 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2022-08-18 17:10:42 +02:00
James Almer
1e24fad867 doc/utils: add missing 22.2 layout entry 
Signed-off-by: James Almer <jamrial@gmail.com>
 2022-03-25 09:26:45 -03:00
James Almer
987763ac35 ffmpeg: convert to new channel layout-API 
Signed-off-by: James Almer <jamrial@gmail.com>
 2022-03-15 09:42:46 -03:00
Moritz Barsnick
7ab375f574 doc/utils: document the "s", "ms" and "us" suffixes for durations 
These suffixes were introduced in 61c972384d
and completed in 8218249f1f.

Signed-off-by: Moritz Barsnick <barsnick@gmx.net>
 2020-06-09 17:55:52 +05:30
Limin Wang
e7626e4e79 doc/utils: add more examples for valid time duration 
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
 2020-05-01 22:57:29 +08:00
Gyan Doshi
ed78ca4123 doc/utils: add hexadecagonal channel layout 2019-10-19 13:00:36 +05:30
Paul B Mahol
961d6493e8 avutil/eval: add sgn() 2019-10-12 10:13:29 +02:00
Mark Thompson
3650cb2dfa lavu,lavfi,ffmpeg: Remove experimental OpenCL API 
This was added in early 2013 and abandoned several months later; as far as
I can tell, there are no external users.  Future OpenCL use will be via
hwcontext, which requires neither special OpenCL-only API nor global state
in libavutil.

All internal users are also deleted - this is just the unsharp filter
(replaced by unsharp_opencl, which is more flexible) and the deshake filter
(no replacement).
 2017-11-22 23:20:39 +00:00
Paul B Mahol
1146133df8 avutil/eval: add linear interpolation helper 2017-08-19 12:42:24 +02:00
Kevin Mark
482566ccc3 libavutil/eval: Add round function to expression parser 
We have floor, ceil, and trunc. Let's add round.

Signed-off-by: Kevin Mark <kmark937@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-06 18:31:47 +02:00
Paul B Mahol
13564fc24d avutil/eval: add atan2 function 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-01-30 11:04:31 +01:00
Marton Balint
c4618f842a avutil/channel_layout: add av_get_extended_channel_layout 
Return a channel layout and the number of channels based on the specified name.

This function is similar to av_get_channel_layout(), but can also parse unknown
channel layout specifications.

Unknown channel layout specifications are a decimal number and a capital 'C'
suffix, in order to not break compatibility with the lowercase 'c' suffix,
which is used for a guessed channel layout with the specified number of
channels.

Signed-off-by: Marton Balint <cus@passwd.hu>
 2017-01-24 23:51:36 +01:00
Marton Balint
5049f05f27 avutil/channel_layout: fix remains of old syntax in docs and comments 
Signed-off-by: Marton Balint <cus@passwd.hu>
 2017-01-24 23:51:36 +01:00
Paul B Mahol
bdf474bcff doc/utils: fix typo for min() description 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-03-02 11:20:07 +01:00
Michael Niedermayer
be0fd07457 Merge commit '219b39a71a5694b1c14a07b86477f665a5b6849b' 
* commit '219b39a71a5694b1c14a07b86477f665a5b6849b':
  parseutil: Use non ambiguous aliases for uhd

Conflicts:
	doc/ffmpeg.texi
	libavutil/parseutils.c

Merged-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-07-21 16:55:39 +02:00
Michael Niedermayer
9ebe041e1c Merge commit 'e93ca480c91397f82f2ea5b6a8b82ac6d0e2bfd2' 
* commit 'e93ca480c91397f82f2ea5b6a8b82ac6d0e2bfd2':
  parseutil: Add more resolution aliases

Conflicts:
	doc/ffmpeg.texi
	libavutil/parseutils.c

Merged-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-07-20 04:32:28 +02:00
Timothy Gu
ecba41bfd3 doc: More semantic markup using @samp and @var where appropriate 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-03-23 17:08:08 +01:00
Andreas Cadhalpun
10fd7ff814 doc: avoid the incorrect phrase 'allow to' 
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-03-08 21:59:28 +01:00
Stefano Sabatini
f3e886c7df lavu/eval: add clip function 2014-07-17 11:29:01 +02:00
Timothy Gu
7bf5084e30 doc/utils: add missing @c man end title 
Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-07-15 15:03:59 +02:00
Andreas Cadhalpun
9898bd9a82 Fix spelling errors in texi files: accomodate -> accommodate allows to -> allows one to choosen -> chosen compability -> compatibility explictly -> explicitly overriden -> overridden specifed -> specified Trasmission -> Transmission 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-06 21:12:40 +01:00
Lenny Wang
64f73acd1d cmdutils & opencl: add -opencl_bench option to test and show available OpenCL devices 
Reviewed-by: Wei Gao <highgod0401@gmail.com>
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-09 21:21:36 +01:00
Stefano Sabatini
a3505136f9 doc/utils: document channel layout specification 2013-10-25 15:44:04 +02:00
Michael Niedermayer
9a63a45e48 doc/utils: fix docs build 
Not sure this is the correct solution but that can be investigated too once
the docs build again

Tested-by: ubitux
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-16 22:32:47 +02:00
Timothy Gu
155a5ff00d doc/utils: reformat doc for color syntax and add list of supported colors 
Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
 2013-10-16 18:32:15 +02:00
Timothy Gu
b4da1fa550 doc/utils: rewrite doc for time duration syntax 
Extend description and clarify syntax.

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
 2013-10-16 18:32:15 +02:00
Niv Sardi
49ba6e56bd lavu/parseutils: add more resolutions 
See http://en.wikipedia.org/wiki/Graphics_display_resolution

Signed-off-by: Niv Sardi <xaiki@evilgiggle.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
 2013-10-07 11:45:03 +02:00
Clément Bœsch
0bc34ef02e doc/utils: use @code markup for opencl function names. 2013-04-12 23:10:59 +02:00
Stefano Sabatini
9ae9ae10f9 doc/utils: apply misc fixes to OpenCL docs 2013-04-12 18:21:57 +02:00
Stefano Sabatini
949c8627b6 doc: merge syntax.texi, eval.texi and opencl.texi into utils.texi 2013-04-12 18:21:57 +02:00