int flags;
#define AV_OPT_FLAG_ENCODING_PARAM 1 ///< a generic parameter which can be set by the user for muxing or encoding
#define AV_OPT_FLAG_DECODING_PARAM 2 ///< a generic parameter which can be set by the user for demuxing or decoding
-#if FF_API_OPT_TYPE_METADATA
-#define AV_OPT_FLAG_METADATA 4 ///< some data extracted or inserted into the file like title, comment, ...
-#endif
#define AV_OPT_FLAG_AUDIO_PARAM 8
#define AV_OPT_FLAG_VIDEO_PARAM 16
#define AV_OPT_FLAG_SUBTITLE_PARAM 32
* @{
*/
-#ifndef FF_API_OPT_TYPE_METADATA
-#define FF_API_OPT_TYPE_METADATA (LIBAVUTIL_VERSION_MAJOR < 56)
-#endif
#ifndef FF_API_DLOG
#define FF_API_DLOG (LIBAVUTIL_VERSION_MAJOR < 56)
#endif