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41d9d51a72
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31 Commits

Author SHA1 Message Date
Anton Khirnov
41d9d51a72 AVOptions: add av_opt_get*, deprecate av_get*. 
New functions can get values from child objects, properly report error
codes and have consistent naming and signatures.
 2011-10-12 16:51:16 +02:00
Anton Khirnov
dac66da63d AVOptions: add av_opt_set*(). 
Deprecate av_set_*

New functions support setting values on children, return error codes
instead of options and have consistent naming and signatures.
 2011-10-12 16:51:16 +02:00
Anton Khirnov
641c7afe3c AVOptions: add new API for enumerating children. 
This will allow the caller to enumerate child contexts in a generic way
and since the API is recursive, it also allows for deeper nesting (e.g.
AVFormatContext->AVIOContext->URLContext)

This will also allow the new setting/reading API to transparently apply
to children contexts.
 2011-10-12 16:51:16 +02:00
Anton Khirnov
7bb1807c2d AVOptions: refactor set_number/write_number 
write_number() does the actual writing of the supplied
number to destination. Move finding the option and choosing destination
address out of it.
 2011-10-10 20:27:31 +02:00
Anton Khirnov
cf10095f0b AVOptions: cosmetics, rename static av_set_number2() to write_number(). 2011-10-10 20:27:31 +02:00
Anton Khirnov
b003d0be5b AVOptions: cosmetics, move and rename static av_set_number(). 2011-10-10 20:27:31 +02:00
Anton Khirnov
c8d787d2ef AVOptions: split av_set_string3 into opt type-specific functions 
Also stop attempting to honor the alloc parameter, as things break
horribly in that case.
It will be removed in upcoming successor to av_set_string3.
 2011-10-10 20:27:30 +02:00
Anton Khirnov
4dbcdfa86d AVOptions: remove AVOption.offset <= 0 checks 
They will only ever be <=0 if the option is broken, in which case this
check is hiding a bug.
 2011-09-07 11:20:29 +02:00
Anton Khirnov
79eff91325 AVOptions: deprecate av_opt_set_defaults2 
It's a hack which was created to allow for multiple options with
different defaults to refer to same field (e.g. 'b' vs 'ab'). There is
no need for it anymore.
 2011-09-07 11:19:43 +02:00
Anton Khirnov
a7e2b2ccc9 AVOptions: move doxy for av_opt_set_defaults() from opt.c to opt.h 
Also change it to be more readable.
 2011-09-07 11:16:52 +02:00
Anton Khirnov
bea5670a4f AVOptions: drop av_ prefix from static av_get_number(). 2011-09-01 10:37:04 +02:00
Anton Khirnov
a726d7fd4e AVOptions: in av_opt_find() don't return named constants unless unit is specified. 
That is, unless the caller explicitly asks for them.

Prevents conflict between e.g. the 'loop' option in img2 demuxer and
'loop' flag in AVCodecContext.
 2011-07-08 18:34:18 +02:00
Mans Rullgard
abc78a5a7c Do not include log.h in avutil.h 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-07-03 21:42:07 +01:00
Mans Rullgard
add41decd9 Remove return statements following infinite loops without break 
These statements cannot be reached and are thus not needed.
This removes a number of compiler warnings.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-07-03 21:39:07 +01:00
Diego Biurrun
ce1e181b13 opt-test: Add missing braces to silence compiler warnings. 
libavutil/opt.c:604:1: warning: missing braces around initializer [-Wmissing-braces]
 2011-06-30 13:34:38 +02:00
Anton Khirnov
dc59ec5e79 AVOptions: add av_opt_find() as a replacement for av_find_opt. 2011-06-16 20:24:56 +02:00
Anton Khirnov
7e83e1c511 AVOptions: add av_opt_set_dict() mapping a dictionary struct to a context. 
This way the caller can pass all the options in one nice package.
 2011-06-16 20:24:56 +02:00
Martin Storsjö
cb7c11cc9e avoptions: Add an av_opt_flag_is_set function for inspecting flag fields 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2011-06-10 10:47:42 +03:00
Anton Khirnov
b39b06233d AVOptions: add av_opt_free convenience function. 2011-06-05 15:01:36 +02:00
Anton Khirnov
6c117d43c9 AVOptions: set string default values. 2011-05-26 20:03:03 +02:00
Martin Storsjö
80068da3a0 avoptions: Return explicitly NAN or {0,0} if the option isn't found 
This actually matches what av_get_double did earlier, the
0.0/0.0 division was intentional, for producing NAN.

Still keeping the check for the return value from
av_get_number, for clarity.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2011-05-25 22:01:33 +03:00
Martin Storsjö
8089b7fa8c avoptions: Check the return value from av_get_number 
This avoids doing a division by zero if the option wasn't found,
or wasn't an option of an appropriate type.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2011-05-22 22:06:17 +03:00
Anton Khirnov
b66752790a AVOptions: make default_val a union, as proposed in AVOption2. 
This breaks API and ABI.
 2011-05-10 20:22:06 +02:00
Stefano Sabatini
58f8463947 error: add error code AVERROR_OPTION_NOT_FOUND, and use it in opt.c 
The new error code is better than AVERROR(ENOENT), which has a
completely different semantics ("No such file or directory").

Signed-off-by: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-04-21 07:10:16 +02:00
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
Stefano Sabatini
d2af7205a1 Use hierarchic names convention (prefix them with av_expr) for the 
eval API.

More grep-friendly and more consistent with the rest of the FFmpeg
API.

Originally committed as revision 25708 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-11-08 14:06:49 +00:00
Stefano Sabatini
584b8edb99 Add missing case for FF_OPT_TYPE_DOUBLE in av_opt_set_defaults2(). 
Originally committed as revision 25265 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-09-29 21:42:03 +00:00
Stefano Sabatini
c85eef4ed8 Move av_set_options_string() from libavfilter to libavutil. 
Originally committed as revision 25236 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-09-27 22:09:53 +00:00
Stefano Sabatini
be0e596a57 Simplify include, since opt.c is now in libavutil there is no need 
to use the library path prefix for eval.h.

Originally committed as revision 25220 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-09-27 10:34:03 +00:00
Stefano Sabatini
8f1afd3b37 Cosmetics: apply misc style fixes. 
Originally committed as revision 25219 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-09-27 10:01:44 +00:00
Michael Niedermayer
6ed040408b Move AVOptions from libavcodec to libavutil 
Originally committed as revision 25210 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-09-26 14:25:22 +00:00