diff options
Diffstat (limited to 'libavutil/opt.h')
| -rw-r--r-- | libavutil/opt.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/libavutil/opt.h b/libavutil/opt.h index 872b5547c1..97a1cb5774 100644 --- a/libavutil/opt.h +++ b/libavutil/opt.h @@ -29,6 +29,7 @@ #include "rational.h" #include "avutil.h" +#include "dict.h" enum AVOptionType{ FF_OPT_TYPE_FLAGS, @@ -91,6 +92,7 @@ typedef struct AVOption { const char *unit; } AVOption; +#if FF_API_FIND_OPT /** * Look for an option in obj. Look only for the options which * have the flags set as specified in mask and flags (that is, @@ -102,8 +104,12 @@ typedef struct AVOption { * @param[in] unit the unit of the option to look for, or any if NULL * @return a pointer to the option found, or NULL if no option * has been found + * + * @deprecated use av_opt_find. */ +attribute_deprecated const AVOption *av_find_opt(void *obj, const char *name, const char *unit, int mask, int flags); +#endif /** * Set the field of obj with the given name to value. @@ -191,4 +197,46 @@ void av_opt_free(void *obj); */ int av_opt_flag_is_set(void *obj, const char *field_name, const char *flag_name); +/* + * Set all the options from a given dictionary on an object. + * + * @param obj a struct whose first element is a pointer to AVClass + * @param options options to process. This dictionary will be freed and replaced + * by a new one containing all options not found in obj. + * Of course this new dictionary needs to be freed by caller + * with av_dict_free(). + * + * @return 0 on success, a negative AVERROR if some option was found in obj, + * but could not be set. + * + * @see av_dict_copy() + */ +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. */ + +/** + * Look for an option in an object. Consider only options which + * have all the specified flags set. + * + * @param[in] obj A pointer to a struct whose first element is a + * pointer to an AVClass. + * @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. + * @param opt_flags Find only options with all the specified flags set (AV_OPT_FLAG). + * @param search_flags A combination of AV_OPT_SEARCH_*. + * + * @return A pointer to the option found, or NULL if no option + * was found. + * + * @note Options found with AV_OPT_SEARCH_CHILDREN flag may not be settable + * directly with av_set_string3(). Use special calls which take an options + * AVDictionary (e.g. avformat_open_input()) to set options found with this + * flag. + */ +const AVOption *av_opt_find(void *obj, const char *name, const char *unit, + int opt_flags, int search_flags); + #endif /* AVUTIL_OPT_H */ |