libavformat/id3v2.h File Reference

#include <stdint.h>
#include "avformat.h"
#include "metadata.h"

Go to the source code of this file.

Defines
#define	ID3v2_HEADER_SIZE   10
#define	ID3v2_DEFAULT_MAGIC   "ID3"
	Default magic bytes for ID3v2 header: "ID3".
#define	ID3v2_FLAG_DATALEN   0x0001
#define	ID3v2_FLAG_UNSYNCH   0x0002
#define	ID3v2_FLAG_ENCRYPTION   0x0004
#define	ID3v2_FLAG_COMPRESSION   0x0008
Functions
int	ff_id3v2_match (const uint8_t *buf, const char *magic)
	Detect ID3v2 Header.
int	ff_id3v2_tag_len (const uint8_t *buf)
	Get the length of an ID3v2 tag.
void	ff_id3v2_parse (AVFormatContext *s, int len, uint8_t version, uint8_t flags)
	ID3v2 parser Handles ID3v2.2, 2.3 and 2.4.
void	ff_id3v2_read (AVFormatContext *s, const char *magic)
	Read an ID3v2 tag.
Variables
const AVMetadataConv	ff_id3v2_metadata_conv []
const char	ff_id3v2_tags [][4]
	A list of ID3v2.4 text information frames.

---

Define Documentation

#define ID3v2_DEFAULT_MAGIC   "ID3"

Default magic bytes for ID3v2 header: "ID3".

Definition at line 34 of file id3v2.h.

Referenced by av_open_input_stream(), and av_probe_input_format2().

#define ID3v2_FLAG_COMPRESSION   0x0008

Definition at line 39 of file id3v2.h.

Referenced by ff_id3v2_parse().

#define ID3v2_FLAG_DATALEN   0x0001

Definition at line 36 of file id3v2.h.

Referenced by ff_id3v2_parse().

#define ID3v2_FLAG_ENCRYPTION   0x0004

Definition at line 38 of file id3v2.h.

Referenced by ff_id3v2_parse().

#define ID3v2_FLAG_UNSYNCH   0x0002

Definition at line 37 of file id3v2.h.

Referenced by ff_id3v2_parse().

#define ID3v2_HEADER_SIZE   10

Definition at line 29 of file id3v2.h.

Referenced by ff_id3v2_read(), ff_id3v2_tag_len(), and mp3_write_header().

---

Function Documentation

int ff_id3v2_match	(	const uint8_t *	buf,
		const char *	magic
	)

Detect ID3v2 Header.

Parameters:

	buf	must be ID3v2_HEADER_SIZE byte long
	magic	magic bytes to identify the header, machine byte order. If in doubt, use ID3v2_DEFAULT_MAGIC.

Definition at line 28 of file id3v2.c.

Referenced by av_probe_input_format2(), ff_id3v2_read(), and oma_read_probe().

void ff_id3v2_parse	(	AVFormatContext *	s,
		int	len,
		uint8_t	version,
		uint8_t	flags
	)

ID3v2 parser Handles ID3v2.2, 2.3 and 2.4.

Definition at line 165 of file id3v2.c.

Referenced by ff_id3v2_read().

void ff_id3v2_read	(	AVFormatContext *	s,
		const char *	magic
	)

Read an ID3v2 tag.

Definition at line 53 of file id3v2.c.

Referenced by av_open_input_stream(), and oma_read_header().

int ff_id3v2_tag_len

(

const uint8_t *

buf

)

Get the length of an ID3v2 tag.

Parameters:

buf

must be ID3v2_HEADER_SIZE bytes long and point to the start of an already detected ID3v2 tag

Definition at line 41 of file id3v2.c.

Referenced by av_probe_input_format2(), and oma_read_probe().

---

Variable Documentation

const AVMetadataConv ff_id3v2_metadata_conv[]

Definition at line 279 of file id3v2.c.

Referenced by ff_id3v2_parse(), and mp3_write_header().

const char ff_id3v2_tags[][4]

A list of ID3v2.4 text information frames.

http://www.id3.org/id3v2.4.0-frames

Definition at line 311 of file id3v2.c.

Referenced by mp3_write_header().