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mirror of https://github.com/cookiengineer/audacity synced 2025-05-01 08:09:41 +02:00
James Crook 5e0efd1a25 Start on built-in LAME
Using LAME 3.10
Windows project files substantially changed from original, and included into audacity solution.
2019-03-26 17:46:53 +00:00

65 lines
1.8 KiB
C

#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