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 "avio_internal.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). More...
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. More...
static int	write_metadata (AVIOContext *pb, AVDictionary **metadata, ID3v2EncContext *id3, int enc)
static int	write_chapter (AVFormatContext *s, ID3v2EncContext *id3, int id, int enc)
int	ff_id3v2_write_metadata (AVFormatContext *s, ID3v2EncContext *id3)
	Convert and write all global metadata from s into an ID3v2 tag. More...
int	ff_id3v2_write_apic (AVFormatContext *s, ID3v2EncContext *id3, AVPacket *pkt)
	Write an attached picture from pkt into an ID3v2 tag. More...
void	ff_id3v2_finish (ID3v2EncContext *id3, AVIOContext *pb, int padding_bytes)
	Finalize an opened ID3v2 tag. More...
int	ff_id3v2_write_simple (struct AVFormatContext *s, int id3v2_version, const char *magic)
	Write an ID3v2 tag containing all global metadata from s. More...

Function Documentation

static void id3v2_put_size ( AVIOContext *  pb, int  size  )

static

Definition at line 32 of file id3v2enc.c.

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

static int string_is_ascii ( const uint8_t *  str )

static

Definition at line 40 of file id3v2enc.c.

Referenced by ff_id3v2_write_apic(), and id3v2_put_ttag().

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

static

Definition at line 46 of file id3v2enc.c.

Referenced by 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 65 of file id3v2enc.c.

Referenced by id3v2_check_write_tag(), and 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 99 of file id3v2enc.c.

Referenced by write_metadata().

static void id3v2_3_metadata_split_date ( AVDictionary **  pm )

static

Definition at line 114 of file id3v2enc.c.

Referenced by write_metadata().

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

Initialize an ID3v2 tag.

Definition at line 152 of file id3v2enc.c.

Referenced by ff_id3v2_write_simple(), and put_id3v2_tags().

static int write_metadata ( AVIOContext *  pb, AVDictionary **  metadata, ID3v2EncContext *  id3, int  enc  )

static

Definition at line 166 of file id3v2enc.c.

Referenced by ff_id3v2_write_metadata(), and write_chapter().

static int write_chapter ( AVFormatContext *  s, ID3v2EncContext *  id3, int  id, int  enc  )

static

Definition at line 198 of file id3v2enc.c.

Referenced by ff_id3v2_write_metadata().

int ff_id3v2_write_metadata	(	AVFormatContext *	s,
		ID3v2EncContext *	id3
	)

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

Definition at line 239 of file id3v2enc.c.

Referenced by ff_id3v2_write_simple(), and put_id3v2_tags().

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

Write an attached picture from pkt into an ID3v2 tag.

Definition at line 257 of file id3v2enc.c.

Referenced by put_id3v2_tags().

void ff_id3v2_finish	(	ID3v2EncContext *	id3,
		AVIOContext *	pb,
		int	padding_bytes
	)

Finalize an opened ID3v2 tag.

Definition at line 326 of file id3v2enc.c.

Referenced by ff_id3v2_write_simple(), mp3_queue_flush(), and put_id3v2_tags().

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 350 of file id3v2enc.c.

Referenced by adts_write_header(), and oma_write_header().