#ifndef LAME_ID3_H

#define LAME_ID3_H

#define CHANGED_FLAG    (1U << 0)

#define ADD_V2_FLAG     (1U << 1)

#define V1_ONLY_FLAG    (1U << 2)

#define V2_ONLY_FLAG    (1U << 3)

#define SPACE_V1_FLAG   (1U << 4)

#define PAD_V2_FLAG     (1U << 5)

enum {

    MIMETYPE_NONE = 0,

    MIMETYPE_JPEG,

    MIMETYPE_PNG,

    MIMETYPE_GIF

};

typedef struct FrameDataNode {

    struct FrameDataNode *nxt;

    uint32_t fid;             /* Frame Identifier                 */

    char    lng[4];          /* 3-character language descriptor  */

    struct {

        union {

            char   *l;       /* ptr to Latin-1 chars             */

            unsigned short *u; /* ptr to UCS-2 text                */

            unsigned char *b; /* ptr to raw bytes                 */

        } ptr;

        size_t  dim;

        int     enc;         /* 0:Latin-1, 1:UCS-2, 2:RAW        */

    } dsc  , txt;

} FrameDataNode;

typedef struct id3tag_spec {

    /* private data members */

    unsigned int flags;

    int     year;

    char   *title;

    char   *artist;

    char   *album;

    char   *comment;

    int     track_id3v1;

    int     genre_id3v1;

    unsigned char *albumart;

    unsigned int albumart_size;

    unsigned int padding_size;

    int     albumart_mimetype;

    char    language[4]; /* the language of the frame's content, according to ISO-639-2 */

    FrameDataNode *v2_head, *v2_tail;

} id3tag_spec;

/* write tag into stream at current position */

extern int id3tag_write_v2(lame_global_flags * gfp);

extern int id3tag_write_v1(lame_global_flags * gfp);

/*

 * NOTE: A version 2 tag will NOT be added unless one of the text fields won't

 * fit in a version 1 tag (e.g. the title string is longer than 30 characters),

 * or the "id3tag_add_v2" or "id3tag_v2_only" functions are used.

 */

#endif