X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavutil%2Fopt.h;h=0196056d6d94905cfeb93c6200ddf83b9b7e1f49;hb=58c41799ab6b52df86b6afe23304f34b62741326;hp=d10b98512a315bfbe380b3c23a98eee57d77a3da;hpb=f0a7b67a356def037d26f9460b22c86d82be2b89;p=ffmpeg diff --git a/libavutil/opt.h b/libavutil/opt.h index d10b98512a3..0196056d6d9 100644 --- a/libavutil/opt.h +++ b/libavutil/opt.h @@ -34,6 +34,7 @@ /** * @defgroup avoptions AVOptions + * @ingroup lavu_data * @{ * AVOptions provide a generic system to declare options on arbitrary structs * ("objects"). An option can have a help text, a type and a range of possible @@ -175,7 +176,7 @@ * * @section avoptions_use Using AVOptions * This section deals with accessing options in an AVOptions-enabled struct. - * Such structs in Libav are e.g. AVCodecContext in libavcodec or + * Such structs in FFmpeg are e.g. AVCodecContext in libavcodec or * AVFormatContext in libavformat. * * @subsection avoptions_use_examine Examining AVOptions @@ -212,7 +213,6 @@ * filled with option as a parameter. This allows to set some options * that cannot be set otherwise, since e.g. the input file format is not known * before the file is actually opened. - * @} */ enum AVOptionType{ @@ -340,9 +340,9 @@ attribute_deprecated const AVOption *av_set_double(void *obj, const char *name, attribute_deprecated const AVOption *av_set_q(void *obj, const char *name, AVRational n); attribute_deprecated const AVOption *av_set_int(void *obj, const char *name, int64_t n); -attribute_deprecated double av_get_double(void *obj, const char *name, const AVOption **o_out); -attribute_deprecated AVRational av_get_q(void *obj, const char *name, const AVOption **o_out); -attribute_deprecated int64_t av_get_int(void *obj, const char *name, const AVOption **o_out); +double av_get_double(void *obj, const char *name, const AVOption **o_out); +AVRational av_get_q(void *obj, const char *name, const AVOption **o_out); +int64_t av_get_int(void *obj, const char *name, const AVOption **o_out); attribute_deprecated const char *av_get_string(void *obj, const char *name, const AVOption **o_out, char *buf, int buf_len); attribute_deprecated const AVOption *av_next_option(void *obj, const AVOption *last); #endif @@ -584,6 +584,18 @@ int av_opt_get (void *obj, const char *name, int search_flags, uint8_t * int av_opt_get_int (void *obj, const char *name, int search_flags, int64_t *out_val); int av_opt_get_double(void *obj, const char *name, int search_flags, double *out_val); int av_opt_get_q (void *obj, const char *name, int search_flags, AVRational *out_val); +/** + * @} + */ +/** + * Gets a pointer to the requested field in a struct. + * This function allows accessing a struct even when its fields are moved or + * renamed since the application making the access has been compiled, + * + * @returns a pointer to the field, it can be cast to the correct type and read + * or written to. + */ +void *av_opt_ptr(const AVClass *avclass, void *obj, const char *name); /** * @} */