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Data Structures | |
struct | ID3v2ExtraMeta |
struct | ID3v2ExtraMetaGEOB |
Macros | |
#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 |
Typedefs | |
typedef struct ID3v2ExtraMeta | ID3v2ExtraMeta |
typedef struct ID3v2ExtraMetaGEOB | ID3v2ExtraMetaGEOB |
Enumerations | |
enum | ID3v2Encoding { ID3v2_ENCODING_ISO8859 = 0, ID3v2_ENCODING_UTF16BOM = 1, ID3v2_ENCODING_UTF16BE = 2, ID3v2_ENCODING_UTF8 = 3 } |
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 (text tags only) | |
void | ff_id3v2_read_all (AVFormatContext *s, const char *magic, ID3v2ExtraMeta **extra_meta) |
Read an ID3v2 tag, including supported extra metadata (currently only GEOB) | |
int | ff_id3v2_write (struct AVFormatContext *s, int id3v2_version, const char *magic) |
Write an ID3v2 tag. | |
void | ff_id3v2_free_extra_meta (ID3v2ExtraMeta **extra_meta) |
Free memory allocated parsing special (non-text) metadata. |
Variables | |
const AVMetadataConv | ff_id3v2_34_metadata_conv [] |
const AVMetadataConv | ff_id3v2_4_metadata_conv [] |
const char | ff_id3v2_tags [][4] |
A list of text information frames allowed in both ID3 v2.3 and v2.4 http://www.id3.org/id3v2.4.0-frames http://www.id3.org/id3v2.4.0-changes. | |
const char | ff_id3v2_4_tags [][4] |
ID3v2.4-only text information frames. | |
const char | ff_id3v2_3_tags [][4] |
ID3v2.3-only text information frames. |
#define ID3v2_DEFAULT_MAGIC "ID3" |
Default magic bytes for ID3v2 header: "ID3".
Definition at line 34 of file id3v2.h.
Referenced by av_probe_input_format2(), and avformat_open_input().
#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_all(), ff_id3v2_tag_len(), id3v2_put_ttag(), and oma_read_probe().
typedef struct ID3v2ExtraMeta ID3v2ExtraMeta |
typedef struct ID3v2ExtraMetaGEOB ID3v2ExtraMetaGEOB |
enum ID3v2Encoding |
void ff_id3v2_free_extra_meta | ( | ID3v2ExtraMeta ** | extra_meta | ) |
Free memory allocated parsing special (non-text) metadata.
extra_meta | Pointer to a pointer to the head of a ID3v2ExtraMeta list, *extra_meta is set to NULL. |
Definition at line 592 of file id3v2.c.
Referenced by oma_read_header().
int ff_id3v2_match | ( | const uint8_t * | buf, |
const char * | magic | ||
) |
Detect ID3v2 Header.
buf | must be ID3v2_HEADER_SIZE byte long |
magic | magic bytes to identify the header. If in doubt, use ID3v2_DEFAULT_MAGIC. |
Definition at line 89 of file id3v2.c.
Referenced by av_probe_input_format2(), ff_id3v2_read_all(), and oma_read_probe().
void ff_id3v2_read | ( | AVFormatContext * | s, |
const char * | magic | ||
) |
Read an ID3v2 tag (text tags only)
Definition at line 587 of file id3v2.c.
Referenced by avformat_open_input().
void ff_id3v2_read_all | ( | AVFormatContext * | s, |
const char * | magic, | ||
ID3v2ExtraMeta ** | extra_meta | ||
) |
Read an ID3v2 tag, including supported extra metadata (currently only GEOB)
extra_meta | If not NULL, extra metadata is parsed into a list of ID3v2ExtraMeta structs and *extra_meta points to the head of the list |
Definition at line 556 of file id3v2.c.
Referenced by ff_id3v2_read(), and oma_read_header().
int ff_id3v2_tag_len | ( | const uint8_t * | buf | ) |
Get the length of an ID3v2 tag.
buf | must be ID3v2_HEADER_SIZE bytes long and point to the start of an already detected ID3v2 tag |
Definition at line 102 of file id3v2.c.
Referenced by av_probe_input_format2(), and oma_read_probe().
int ff_id3v2_write | ( | struct AVFormatContext * | s, |
int | id3v2_version, | ||
const char * | magic | ||
) |
Write an ID3v2 tag.
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 100 of file id3v2enc.c.
Referenced by oma_write_header().
const AVMetadataConv ff_id3v2_34_metadata_conv[] |
Definition at line 29 of file id3v2.c.
Referenced by ff_id3v2_write().
const char ff_id3v2_3_tags[][4] |
ID3v2.3-only text information frames.
Definition at line 84 of file id3v2.c.
Referenced by ff_id3v2_write().
const AVMetadataConv ff_id3v2_4_metadata_conv[] |
Definition at line 47 of file id3v2.c.
Referenced by ff_id3v2_write().
const char ff_id3v2_4_tags[][4] |
ID3v2.4-only text information frames.
Definition at line 78 of file id3v2.c.
Referenced by ff_id3v2_write().
const char ff_id3v2_tags[][4] |
A list of text information frames allowed in both ID3 v2.3 and v2.4 http://www.id3.org/id3v2.4.0-frames http://www.id3.org/id3v2.4.0-changes.
Definition at line 70 of file id3v2.c.
Referenced by ff_id3v2_write().