libavformat/id3v2enc.c File Reference

#include <stdint.h>
#include <string.h>
#include "libavutil/avstring.h"
#include "libavutil/dict.h"
#include "libavutil/intreadwrite.h"
#include "avformat.h"
#include "avio.h"
#include "id3v2.h"

Go to the source code of this file.

Functions
static void	id3v2_put_size (AVIOContext *pb, int size)
static int	string_is_ascii (const uint8_t *str)
static void	id3v2_encode_string (AVIOContext *pb, const uint8_t *str, enum ID3v2Encoding enc)
static int	id3v2_put_ttag (ID3v2EncContext *id3, AVIOContext *avioc, const char *str1, const char *str2, uint32_t tag, enum ID3v2Encoding enc)
	Write a text frame with one (normal frames) or two (TXXX frames) strings according to encoding (only UTF-8 or UTF-16+BOM supported).
static int	id3v2_check_write_tag (ID3v2EncContext *id3, AVIOContext *pb, AVDictionaryEntry *t, const char table[][4], enum ID3v2Encoding enc)
static void	id3v2_3_metadata_split_date (AVDictionary **pm)
void	ff_id3v2_start (ID3v2EncContext *id3, AVIOContext *pb, int id3v2_version, const char *magic)
	Initialize an ID3v2 tag.
int	ff_id3v2_write_metadata (AVFormatContext *s, ID3v2EncContext *id3)
	Convert and write all global metadata from s into an ID3v2 tag.
int	ff_id3v2_write_apic (AVFormatContext *s, ID3v2EncContext *id3, AVPacket *pkt)
	Write an attached picture from pkt into an ID3v2 tag.
void	ff_id3v2_finish (ID3v2EncContext *id3, AVIOContext *pb)
	Finalize an opened ID3v2 tag.
int	ff_id3v2_write_simple (struct AVFormatContext *s, int id3v2_version, const char *magic)
	Write an ID3v2 tag containing all global metadata from s.

---

Function Documentation

void ff_id3v2_finish	(	ID3v2EncContext *	id3,
		AVIOContext *	pb
	)

Finalize an opened ID3v2 tag.

Definition at line 264 of file id3v2enc.c.

Referenced by ff_id3v2_write_simple(), and mp3_queue_flush().

void ff_id3v2_start	(	ID3v2EncContext *	id3,
		AVIOContext *	pb,
		int	id3v2_version,
		const char *	magic
	)

Initialize an ID3v2 tag.

Definition at line 151 of file id3v2enc.c.

Referenced by ff_id3v2_write_simple().

int ff_id3v2_write_apic	(	AVFormatContext *	s,
		ID3v2EncContext *	id3,
		AVPacket *	pkt
	)

Write an attached picture from pkt into an ID3v2 tag.

Definition at line 199 of file id3v2enc.c.

int ff_id3v2_write_metadata	(	AVFormatContext *	s,
		ID3v2EncContext *	id3
	)

Convert and write all global metadata from s into an ID3v2 tag.

Definition at line 165 of file id3v2enc.c.

Referenced by ff_id3v2_write_simple().

int ff_id3v2_write_simple	(	struct AVFormatContext *	s,
		int	id3v2_version,
		const char *	magic
	)

Write an ID3v2 tag containing all global metadata from s.

Parameters:

	id3v2_version	Subversion of ID3v2; supported values are 3 and 4
	magic	magic bytes to identify the header If in doubt, use ID3v2_DEFAULT_MAGIC.

Definition at line 272 of file id3v2enc.c.

Referenced by oma_write_header().

static void id3v2_3_metadata_split_date

(

AVDictionary **

pm

)

[static]

Definition at line 113 of file id3v2enc.c.

Referenced by ff_id3v2_write_metadata().

static int id3v2_check_write_tag	(	ID3v2EncContext *	id3,
		AVIOContext *	pb,
		AVDictionaryEntry *	t,
		const char	table[][4],
		enum ID3v2Encoding	enc
	)			[static]

Definition at line 98 of file id3v2enc.c.

Referenced by ff_id3v2_write_metadata().

static void id3v2_encode_string	(	AVIOContext *	pb,
		const uint8_t *	str,
		enum ID3v2Encoding	enc
	)			[static]

Definition at line 45 of file id3v2enc.c.

Referenced by ff_id3v2_write_apic(), and id3v2_put_ttag().

static void id3v2_put_size	(	AVIOContext *	pb,
		int	size
	)			[static]

Definition at line 31 of file id3v2enc.c.

Referenced by ff_id3v2_finish(), ff_id3v2_write_apic(), and id3v2_put_ttag().

static int id3v2_put_ttag	(	ID3v2EncContext *	id3,
		AVIOContext *	avioc,
		const char *	str1,
		const char *	str2,
		uint32_t	tag,
		enum ID3v2Encoding	enc
	)			[static]

Write a text frame with one (normal frames) or two (TXXX frames) strings according to encoding (only UTF-8 or UTF-16+BOM supported).

Returns:

number of bytes written or a negative error code.

Definition at line 64 of file id3v2enc.c.

Referenced by ff_id3v2_write_metadata(), and id3v2_check_write_tag().

static int string_is_ascii

(

const uint8_t *

str

)

[static]

Definition at line 39 of file id3v2enc.c.

Referenced by id3v2_put_ttag().