diff options
Diffstat (limited to 'libavutil/opt.h')
| -rw-r--r-- | libavutil/opt.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libavutil/opt.h b/libavutil/opt.h index 1b458e1860..7338e78368 100644 --- a/libavutil/opt.h +++ b/libavutil/opt.h @@ -869,6 +869,27 @@ int av_opt_is_set_to_default(void *obj, const AVOption *o); */ int av_opt_is_set_to_default_by_name(void *obj, const char *name, int search_flags); + +#define AV_OPT_SERIALIZE_SKIP_DEFAULTS 0x00000001 ///< Serialize options that are not set to default values only. +#define AV_OPT_SERIALIZE_OPT_FLAGS_EXACT 0x00000002 ///< Serialize options that exactly match opt_flags only. + +/** + * Serialize object's options. + * + * Create a string containing object's serialized options. + * Such string may be passed back to av_opt_set_from_string() in order to restore option values. + * + * @param[in] obj AVClass object to serialize + * @param[in] opt_flags serialize options with all the specified flags set (AV_OPT_FLAG) + * @param[in] flags combination of AV_OPT_SERIALIZE_* flags + * @param[out] buffer Pointer to buffer that will be allocated with string containg serialized options. + * Buffer must be freed by the caller when is no longer needed. + * @param[in] key_val_sep character used to separate key from value + * @param[in] pairs_sep character used to separate two pairs from each other + * @return >= 0 on success, negative on error + */ +int av_opt_serialize(void *obj, int opt_flags, int flags, char **buffer, + const char key_val_sep, const char pairs_sep); /** * @} */ |