diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2011-09-04 04:11:53 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-09-04 04:11:53 +0200 |
| commit | 1889c6724a449b2e4826612d3b72efc76dbfb713 (patch) | |
| tree | 05abce06cd1151955b1f1280721044584012ee51 /libavutil/opt.h | |
| parent | ca4d71b149ebe32aeaf617ffccf362624b9aafb1 (diff) | |
| parent | e955a682e125d44143415ff2b96a99a4dac78da2 (diff) | |
Merge remote-tracking branch 'qatar/master'
* qatar/master:
AVOptions: fix av_set_string3() doxy to match reality.
cmdutils: get rid of dummy contexts for examining AVOptions.
lavf,lavc,sws: add {avcodec,avformat,sws}_get_class() functions.
AVOptions: add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find().
cpu detection: avoid a signed overflow
Conflicts:
avconv.c
cmdutils.c
doc/APIchanges
ffmpeg.c
libavcodec/options.c
libavcodec/version.h
libavformat/version.h
libavutil/avutil.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/opt.h')
| -rw-r--r-- | libavutil/opt.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/libavutil/opt.h b/libavutil/opt.h index 68873de563..efb4408f0d 100644 --- a/libavutil/opt.h +++ b/libavutil/opt.h @@ -134,7 +134,7 @@ const AVOption *av_find_opt(void *obj, const char *name, const char *unit, int m * when 0 then no av_free() nor av_strdup() will be used * @return 0 if the value has been set, or an AVERROR code in case of * error: - * AVERROR(ENOENT) if no matching option exists + * AVERROR_OPTION_NOT_FOUND if no matching option exists * AVERROR(ERANGE) if the value is out of range * AVERROR(EINVAL) if the value is not valid */ @@ -216,6 +216,13 @@ int av_opt_set_dict(void *obj, struct AVDictionary **options); #define AV_OPT_SEARCH_CHILDREN 0x0001 /**< Search in possible children of the given object first. */ +/** + * The obj passed to av_opt_find() is fake -- only a double pointer to AVClass + * instead of a required pointer to a struct containing AVClass. This is + * useful for searching for options without needing to allocate the corresponding + * object. + */ +#define AV_OPT_SEARCH_FAKE_OBJ 0x0002 /** * Look for an option in an object. Consider only options which @@ -223,6 +230,8 @@ int av_opt_set_dict(void *obj, struct AVDictionary **options); * * @param[in] obj A pointer to a struct whose first element is a * pointer to an AVClass. + * Alternatively a double pointer to an AVClass, if + * AV_OPT_SEARCH_FAKE_OBJ search flag is set. * @param[in] name The name of the option to look for. * @param[in] unit When searching for named constants, name of the unit * it belongs to. |