id3.h File Reference

#include <stdio.h>
#include <stdint.h>

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Data Structures
struct	ID3_tag

Macros
#define	ID3_tag_add_artist(t, a)   ID3_tag_add_data(t, 84, 80, 69, 49, a);
	Shorthand to store the artist name in an ID3 tag. See ID3_tag_add_data. More...
#define	ID3_tag_add_title(t, s)   ID3_tag_add_data(t, 84, 73, 84, 50, s);
	Shorthand to store the title in an ID3 tag. See ID3_tag_add_data. More...
#define	ID3_tag_add_album(t, a)   ID3_tag_add_data(t, 84, 65, 76, 66, a);
	Shorthand to store the album name in an ID3 tag. See ID3_tag_add_data. More...
#define	ID3_tag_add_year(t, y)   ID3_tag_add_data(t, 84, 89, 69, 82, y);
	Shorthand to store the release year in an ID3 tag. See ID3_tag_add_data. More...
#define	ID3_tag_add_length(t, l)   ID3_tag_add_data(t, 84, 76, 69, 78, l);
	Shorthand to store the record length in an ID3 tag. See ID3_tag_add_data. More...

Functions
int	ID3_tag_init (ID3_tag *t)
int	ID3_tag_fwrite (ID3_tag *t, FILE *fp)
int	ID3_tag_write (ID3_tag *tag, char *filename)
int	ID3_tag_add_data (ID3_tag *tag, uint8_t t1, uint8_t t2, uint8_t t3, uint8_t t4, char *data)

Macro Definition Documentation

ID3_tag_add_album

#define ID3_tag_add_album	(		t,
			a
	)		ID3_tag_add_data(t, 84, 65, 76, 66, a);

Shorthand to store the album name in an ID3 tag. See ID3_tag_add_data.

Definition at line 61 of file id3.h.

ID3_tag_add_artist

#define ID3_tag_add_artist	(		t,
			a
	)		ID3_tag_add_data(t, 84, 80, 69, 49, a);

Shorthand to store the artist name in an ID3 tag. See ID3_tag_add_data.

Definition at line 55 of file id3.h.

ID3_tag_add_length

#define ID3_tag_add_length	(		t,
			l
	)		ID3_tag_add_data(t, 84, 76, 69, 78, l);

Shorthand to store the record length in an ID3 tag. See ID3_tag_add_data.

Definition at line 67 of file id3.h.

ID3_tag_add_title

#define ID3_tag_add_title	(		t,
			s
	)		ID3_tag_add_data(t, 84, 73, 84, 50, s);

Shorthand to store the title in an ID3 tag. See ID3_tag_add_data.

Definition at line 58 of file id3.h.

ID3_tag_add_year

#define ID3_tag_add_year	(		t,
			y
	)		ID3_tag_add_data(t, 84, 89, 69, 82, y);

Shorthand to store the release year in an ID3 tag. See ID3_tag_add_data.

Definition at line 64 of file id3.h.

Function Documentation

ID3_tag_add_data()

int ID3_tag_add_data	(	ID3_tag *	tag,
		uint8_t	t1,
		uint8_t	t2,
		uint8_t	t3,
		uint8_t	t4,
		char *	data
	)

Store data in an ID3 tag.

Parameters

[in]	tag	The ID3 tag to store the data in.
[in]	t1,t2,t3,t4	Identifies the type of data.
[in]	data	The data to store.

Returns

return value

• 0 succeed
• -1 wrong tag major version

Definition at line 26 of file id3.c.

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ID3_tag_fwrite()

int ID3_tag_fwrite	(	ID3_tag *	t,
		FILE *	fp
	)

Write an ID3 tag to a file.

Parameters

[in]	t	The ID3 tag to write.
[in]	fp	A file pointer.

Returns

return value

• 0 succeed
• -1 wrong tag major version

Definition at line 79 of file id3.c.

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ID3_tag_init()

int ID3_tag_init

(

ID3_tag *

t

)

Initialize an empty ID3 tag.

Parameters

[in,out]

t

ID3 tag

Returns

always zero

Definition at line 14 of file id3.c.

ID3_tag_write()

int ID3_tag_write	(	ID3_tag *	tag,
		char *	filename
	)

Write an ID3 tag to a file.

Parameters

[in]	tag	The ID3 tag to write.
[in]	filename	A pointer to a string representing a filename.

Returns

return value

• 0 succeed
• -1 wrong tag major version

Definition at line 129 of file id3.c.

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