#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"

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_put_priv (ID3v2EncContext id3, AVIOContext avioc, const char key, const char data)
	Write a priv frame with owner and data. 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_ctoc (AVFormatContext s, 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

◆ id3v2_put_size()

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(), id3v2_put_priv(), and id3v2_put_ttag().

◆ string_is_ascii()

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().

◆ id3v2_encode_string()

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().

◆ 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().

◆ id3v2_put_priv()

static int id3v2_put_priv	(	ID3v2EncContext *	id3,
		AVIOContext *	avioc,
		const char *	key,
		const char *	data
	)

static

Write a priv frame with owner and data.

'key' is the owner prepended with ID3v2_PRIV_METADATA_PREFIX. 'data' is provided as a string. Any \xXX (where 'X' is a valid hex digit) will be unescaped to the byte value.

Definition at line 104 of file id3v2enc.c.

Referenced by write_metadata().