libavformat/id3v2.c File Reference

#include "id3v2.h"
#include "id3v1.h"
#include "libavutil/avstring.h"
#include "libavutil/intreadwrite.h"
#include "metadata.h"

Go to the source code of this file.

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_read (AVFormatContext *s, const char *magic)
	Read an ID3v2 tag.
static unsigned int	get_size (ByteIOContext *s, int len)
static void	read_ttag (AVFormatContext *s, ByteIOContext *pb, int taglen, const char *key)
void	ff_id3v2_parse (AVFormatContext *s, int len, uint8_t version, uint8_t flags)
	ID3v2 parser Handles ID3v2.2, 2.3 and 2.4.
Variables
const AVMetadataConv	ff_id3v2_metadata_conv []
const char	ff_id3v2_tags [][4]
	A list of ID3v2.4 text information frames.

---

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().

static unsigned int get_size	(	ByteIOContext *	s,
		int	len
	)			[static]

Definition at line 80 of file id3v2.c.

Referenced by ff_id3v2_parse().

static void read_ttag	(	AVFormatContext *	s,
		ByteIOContext *	pb,
		int	taglen,
		const char *	key
	)			[static]

Definition at line 88 of file id3v2.c.

Referenced by ff_id3v2_parse().

---

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]

Initial value:

 {
   "TALB", "TBPM", "TCOM", "TCON", "TCOP", "TDEN", "TDLY", "TDOR", "TDRC",
   "TDRL", "TDTG", "TENC", "TEXT", "TFLT", "TIPL", "TIT1", "TIT2", "TIT3",
   "TKEY", "TLAN", "TLEN", "TMCL", "TMED", "TMOO", "TOAL", "TOFN", "TOLY",
   "TOPE", "TOWN", "TPE1", "TPE2", "TPE3", "TPE4", "TPOS", "TPRO", "TPUB",
   "TRCK", "TRSN", "TRSO", "TSOA", "TSOP", "TSOT", "TSRC", "TSSE", "TSST",
   { 0 },
}

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().