id3tag.h

音频编码

#ifndef LAME_ID3_H
#define LAME_ID3_H

#include "lame.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)

struct id3tag_spec
{
    /* private data members */
    int flags;
    const char *title;
    const char *artist;
    const char *album;
    int year;
    const char *comment;
    int track;
    int genre;
};


/* 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