FFmpeg
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Data Structures | |
struct | ID3v2EncContext |
struct | ID3v2ExtraMetaGEOB |
struct | ID3v2ExtraMetaAPIC |
struct | ID3v2ExtraMetaPRIV |
struct | ID3v2ExtraMetaCHAP |
struct | ID3v2ExtraMeta |
Macros | |
#define | ID3v2_HEADER_SIZE 10 |
#define | ID3v2_DEFAULT_MAGIC "ID3" |
Default magic bytes for ID3v2 header: "ID3". More... | |
#define | ID3v2_FLAG_DATALEN 0x0001 |
#define | ID3v2_FLAG_UNSYNCH 0x0002 |
#define | ID3v2_FLAG_ENCRYPTION 0x0004 |
#define | ID3v2_FLAG_COMPRESSION 0x0008 |
#define | ID3v2_PRIV_METADATA_PREFIX "id3v2_priv." |
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. More... | |
int | ff_id3v2_tag_len (const uint8_t *buf) |
Get the length of an ID3v2 tag. More... | |
void | ff_id3v2_read_dict (AVIOContext *pb, AVDictionary **metadata, const char *magic, ID3v2ExtraMeta **extra_meta) |
Read an ID3v2 tag into specified dictionary and retrieve supported extra metadata. More... | |
void | ff_id3v2_read (AVFormatContext *s, const char *magic, ID3v2ExtraMeta **extra_meta, unsigned int max_search_size) |
Read an ID3v2 tag, including supported extra metadata. More... | |
void | ff_id3v2_start (ID3v2EncContext *id3, AVIOContext *pb, int id3v2_version, const char *magic) |
Initialize an ID3v2 tag. More... | |
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... | |
void | ff_id3v2_free_extra_meta (ID3v2ExtraMeta **extra_meta) |
Free memory allocated parsing special (non-text) metadata. More... | |
int | ff_id3v2_parse_apic (AVFormatContext *s, ID3v2ExtraMeta *extra_meta) |
Create a stream for each APIC (attached picture) extracted from the ID3v2 header. More... | |
int | ff_id3v2_parse_chapters (AVFormatContext *s, ID3v2ExtraMeta *extra_meta) |
Create chapters for all CHAP tags found in the ID3v2 header. More... | |
int | ff_id3v2_parse_priv_dict (AVDictionary **d, ID3v2ExtraMeta *extra_meta) |
Parse PRIV tags into a dictionary. More... | |
int | ff_id3v2_parse_priv (AVFormatContext *s, ID3v2ExtraMeta *extra_meta) |
Add metadata for all PRIV tags in the ID3v2 header. More... | |
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. More... | |
const char | ff_id3v2_4_tags [][4] |
ID3v2.4-only text information frames. More... | |
const char | ff_id3v2_3_tags [][4] |
ID3v2.3-only text information frames. More... | |
const CodecMime | ff_id3v2_mime_tags [] |
const char *const | ff_id3v2_picture_types [21] |
#define ID3v2_DEFAULT_MAGIC "ID3" |
enum ID3v2Encoding |
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 144 of file id3v2.c.
Referenced by adts_aac_read_packet(), av_probe_input_format3(), id3v2_read_internal(), intercept_id3(), mp3_read_probe(), and oma_read_probe().
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 157 of file id3v2.c.
Referenced by av_probe_input_format3(), handle_id3(), intercept_id3(), mp3_read_probe(), and oma_read_probe().
void ff_id3v2_read_dict | ( | AVIOContext * | pb, |
AVDictionary ** | metadata, | ||
const char * | magic, | ||
ID3v2ExtraMeta ** | extra_meta | ||
) |
Read an ID3v2 tag into specified dictionary and retrieve supported extra metadata.
metadata | Parsed metadata is stored here | |
[out] | 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 1130 of file id3v2.c.
Referenced by avformat_open_input(), handle_id3(), and parse_id3().
void ff_id3v2_read | ( | AVFormatContext * | s, |
const char * | magic, | ||
ID3v2ExtraMeta ** | extra_meta, | ||
unsigned int | max_search_size | ||
) |
Read an ID3v2 tag, including supported extra metadata.
Data is read from and stored to AVFormatContext.
[out] | 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 |
[opt] | max_search_search restrict ID3 magic number search (bytes from start) |
Definition at line 1136 of file id3v2.c.
Referenced by aiff_read_header(), bonk_read_header(), get_id3_tag(), oma_read_header(), parse_dsd_prop(), and read_id3().
void ff_id3v2_start | ( | ID3v2EncContext * | id3, |
AVIOContext * | pb, | ||
int | id3v2_version, | ||
const char * | magic | ||
) |
Initialize an ID3v2 tag.
Definition at line 206 of file id3v2enc.c.
Referenced by ff_id3v2_write_simple(), mp3_write_header(), and put_id3v2_tags().
int ff_id3v2_write_metadata | ( | AVFormatContext * | s, |
ID3v2EncContext * | id3 | ||
) |
Convert and write all global metadata from s into an ID3v2 tag.
Definition at line 331 of file id3v2enc.c.
Referenced by ff_id3v2_write_simple(), mp3_write_header(), 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 352 of file id3v2enc.c.
Referenced by mp3_write_packet(), and put_id3v2_tags().
void ff_id3v2_finish | ( | ID3v2EncContext * | id3, |
AVIOContext * | pb, | ||
int | padding_bytes | ||
) |
Finalize an opened ID3v2 tag.
Definition at line 421 of file id3v2enc.c.
Referenced by ff_id3v2_write_simple(), mp3_queue_flush(), mp3_write_header(), 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.
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 445 of file id3v2enc.c.
Referenced by adts_write_header(), and oma_write_header().
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 1142 of file id3v2.c.
Referenced by aiff_read_header(), avformat_open_input(), bonk_read_header(), free_playlist_list(), get_id3_tag(), handle_id3(), hls_read_header(), oma_read_header(), parse_dsd_prop(), and read_id3().
int ff_id3v2_parse_apic | ( | AVFormatContext * | s, |
ID3v2ExtraMeta * | extra_meta | ||
) |
Create a stream for each APIC (attached picture) extracted from the ID3v2 header.
Definition at line 1158 of file id3v2.c.
Referenced by aiff_read_header(), avformat_open_input(), bonk_read_header(), get_id3_tag(), handle_id3(), hls_read_header(), parse_dsd_prop(), and read_id3().
int ff_id3v2_parse_chapters | ( | AVFormatContext * | s, |
ID3v2ExtraMeta * | extra_meta | ||
) |
Create chapters for all CHAP tags found in the ID3v2 header.
Definition at line 1189 of file id3v2.c.
Referenced by aiff_read_header(), avformat_open_input(), get_id3_tag(), oma_read_header(), parse_dsd_prop(), and read_id3().
int ff_id3v2_parse_priv_dict | ( | AVDictionary ** | d, |
ID3v2ExtraMeta * | extra_meta | ||
) |
Parse PRIV tags into a dictionary.
The PRIV owner is the metadata key. The PRIV data is the value, with non-printable characters escaped.
Definition at line 1214 of file id3v2.c.
Referenced by ff_id3v2_parse_priv(), and handle_id3().
int ff_id3v2_parse_priv | ( | AVFormatContext * | s, |
ID3v2ExtraMeta * | extra_meta | ||
) |
Add metadata for all PRIV tags in the ID3v2 header.
The PRIV owner is the metadata key. The PRIV data is the value, with non-printable characters escaped.
Definition at line 1254 of file id3v2.c.
Referenced by avformat_open_input(), bonk_read_header(), and hls_read_header().
const AVMetadataConv ff_id3v2_34_metadata_conv[] |
Definition at line 45 of file id3v2.c.
Referenced by id3v2_read_internal(), read_chapter(), and write_metadata().
const AVMetadataConv ff_id3v2_4_metadata_conv[] |
Definition at line 64 of file id3v2.c.
Referenced by id3v2_read_internal(), read_chapter(), and write_metadata().
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 89 of file id3v2.c.
Referenced by write_metadata().
const char ff_id3v2_4_tags[][4] |
ID3v2.4-only text information frames.
Definition at line 97 of file id3v2.c.
Referenced by write_metadata().
const char ff_id3v2_3_tags[][4] |
ID3v2.3-only text information frames.
Definition at line 103 of file id3v2.c.
Referenced by write_metadata().
const CodecMime ff_id3v2_mime_tags[] |
Definition at line 132 of file id3v2.c.
Referenced by asf_read_picture(), ff_flac_parse_picture(), ff_id3v2_write_apic(), flac_write_picture(), query_codec(), and read_apic().
const char* const ff_id3v2_picture_types[21] |
Definition at line 108 of file id3v2.c.
Referenced by asf_read_picture(), ff_flac_parse_picture(), ff_id3v2_write_apic(), flac_write_picture(), and read_apic().