32 {
"TCOM",
"composer" },
34 {
"TCOP",
"copyright" },
35 {
"TENC",
"encoded_by" },
37 {
"TLAN",
"language" },
39 {
"TPE2",
"album_artist" },
40 {
"TPE3",
"performer" },
42 {
"TPUB",
"publisher" },
44 {
"TSSE",
"encoder" },
51 {
"TDEN",
"creation_time" },
52 {
"TSOA",
"album-sort" },
53 {
"TSOP",
"artist-sort" },
54 {
"TSOT",
"title-sort" },
62 {
"TEN",
"encoded_by" },
64 {
"TP2",
"album_artist" },
65 {
"TP3",
"performer" },
71 "TALB",
"TBPM",
"TCOM",
"TCON",
"TCOP",
"TDLY",
"TENC",
"TEXT",
72 "TFLT",
"TIT1",
"TIT2",
"TIT3",
"TKEY",
"TLAN",
"TLEN",
"TMED",
73 "TOAL",
"TOFN",
"TOLY",
"TOPE",
"TOWN",
"TPE1",
"TPE2",
"TPE3",
74 "TPE4",
"TPOS",
"TPUB",
"TRCK",
"TRSN",
"TRSO",
"TSRC",
"TSSE",
79 "TDEN",
"TDOR",
"TDRC",
"TDRL",
"TDTG",
"TIPL",
"TMCL",
"TMOO",
80 "TPRO",
"TSOA",
"TSOP",
"TSOT",
"TSST",
85 "TDAT",
"TIME",
"TORY",
"TRDA",
"TSIZ",
"TYER",
91 "32x32 pixels 'file icon'",
96 "Media (e.g. label side of CD)",
97 "Lead artist/lead performer/soloist",
102 "Lyricist/text writer",
103 "Recording Location",
105 "During performance",
106 "Movie/video screen capture",
107 "A bright coloured fish",
109 "Band/artist logotype",
110 "Publisher/Studio logotype",
127 return buf[0] == magic[0] &&
128 buf[1] == magic[1] &&
129 buf[2] == magic[2] &&
132 (buf[6] & 0x80) == 0 &&
133 (buf[7] & 0x80) == 0 &&
134 (buf[8] & 0x80) == 0 &&
135 (buf[9] & 0x80) == 0;
140 int len = ((buf[6] & 0x7f) << 21) +
141 ((buf[7] & 0x7f) << 14) +
142 ((buf[8] & 0x7f) << 7) +
154 v = (v << 7) + (
avio_r8(s) & 0x7F);
208 if ((left -= 2) < 0) {
229 while ((left > 1) && ch) {
230 GET_UTF16(ch, ((left -= 2) >= 0 ?
get(pb) : 0),
break;)
273 if (
decode_str(s, pb, encoding, &dst, &taglen) < 0) {
278 if (!(strcmp(key,
"TCON") && strcmp(key,
"TCO")) &&
279 (sscanf(dst,
"(%d)", &genre) == 1 || sscanf(dst,
"%d", &genre) == 1) &&
283 }
else if (!(strcmp(key,
"TXXX") && strcmp(key,
"TXX"))) {
286 if (
decode_str(s, pb, encoding, &dst, &taglen) < 0) {
350 if (!geob_data->
data) {
356 "Error reading GEOB frame, data truncated.\n");
364 new_extra->
tag =
"GEOB";
365 new_extra->
data = geob_data;
366 new_extra->
next = *extra_meta;
367 *extra_meta = new_extra;
380 while (*str >=
'0' && *str <=
'9')
397 char date[17] = { 0 };
409 snprintf(date + 4,
sizeof(date) - 4,
"-%.2s-%.2s", t->
value + 2, t->
value);
416 snprintf(date + 10,
sizeof(date) - 10,
450 if (!new_extra || !apic)
457 taglen -=
avio_get_str(pb, taglen, mimetype,
sizeof(mimetype));
467 "Unknown attached picture mimetype: %s, skipping.\n", mimetype);
485 "Error decoding attached picture description.\n");
494 new_extra->
tag =
"APIC";
495 new_extra->
data = apic;
496 new_extra->
next = *extra_meta;
497 *extra_meta = new_extra;
530 while (id3v2_extra_meta_funcs[i].tag3) {
532 (isv34 ? id3v2_extra_meta_funcs[i].tag4 :
533 id3v2_extra_meta_funcs[i].tag3),
535 return &id3v2_extra_meta_funcs[i];
544 int isv34, tlen, unsync;
548 const char *reason =
NULL;
558 reason =
"compression";
576 unsync = flags & 0x80;
578 if (isv34 && flags & 0x40) {
585 reason =
"invalid extended header length";
591 while (len >= taghdrlen) {
592 unsigned int tflags = 0;
609 if (tlen < 0 || tlen > len - taghdrlen) {
611 "Invalid size in frame %s, skipping the rest of tag.\n",
615 len -= taghdrlen + tlen;
632 "Skipping encrypted/compressed ID3v2 frame %s.\n", tag);
635 }
else if (tag[0] ==
'T' ||
638 if (unsync || tunsync) {
649 if (*(b - 1) == 0xff &&
avio_tell(s->
pb) < end - 1 &&
667 extra_func->
read(s, pbx, tlen, tag, extra_meta);
668 }
else if (!tag[0]) {
680 if (version == 4 && flags & 0x10)
709 len = ((buf[6] & 0x7f) << 21) |
710 ((buf[7] & 0x7f) << 14) |
711 ((buf[8] & 0x7f) << 7) |
717 }
while (found_header);
732 next = current->
next;
742 for (cur = *extra_meta; cur; cur = cur->
next) {
746 if (strcmp(cur->
tag,
"APIC"))
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it...
int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer)
Return the written size and a pointer to the buffer.
static int is_number(const char *str)
static AVDictionaryEntry * get_date_tag(AVDictionary *m, const char *tag)
#define AV_LOG_WARNING
Something somehow does not look correct.
#define AV_DICT_DONT_OVERWRITE
Don't overwrite existing entries.
static const ID3v2EMFunc id3v2_extra_meta_funcs[]
void(* read)(AVFormatContext *, AVIOContext *, int, char *, ID3v2ExtraMeta **)
int index
stream index in AVFormatContext
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
static void read_apic(AVFormatContext *s, AVIOContext *pb, int taglen, char *tag, ID3v2ExtraMeta **extra_meta)
int av_strncasecmp(const char *a, const char *b, size_t n)
Locale-independent case-insensitive compare.
static void free_apic(void *obj)
const char ff_id3v2_4_tags[][4]
ID3v2.4-only text information frames.
#define FF_ARRAY_ELEMS(a)
#define PUT_UTF8(val, tmp, PUT_BYTE)
Convert a 32-bit Unicode character to its UTF-8 encoded form (up to 4 bytes long).
unsigned int avio_rb16(AVIOContext *s)
AVDictionaryEntry * av_dict_get(AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
int ff_id3v2_parse_apic(AVFormatContext *s, ID3v2ExtraMeta **extra_meta)
Create a stream for each APIC (attached picture) extracted from the ID3v2 header. ...
int avio_open_dyn_buf(AVIOContext **s)
Open a write only memory stream.
static int decode_str(AVFormatContext *s, AVIOContext *pb, int encoding, uint8_t **dst, int *maxread)
Decode characters to UTF-8 according to encoding type.
#define AV_DICT_DONT_STRDUP_KEY
Take ownership of a key that's been allocated with av_malloc() and children.
void av_freep(void *arg)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
#define ID3v2_HEADER_SIZE
const AVMetadataConv ff_id3v2_34_metadata_conv[]
unsigned int avio_rb32(AVIOContext *s)
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
#define GET_UTF16(val, GET_16BIT, ERROR)
Convert a UTF-16 character (2 or 4 bytes) to its 32-bit UCS-4 encoded form.
static void read_geobtag(AVFormatContext *s, AVIOContext *pb, int taglen, char *tag, ID3v2ExtraMeta **extra_meta)
Parse GEOB tag into a ID3v2ExtraMetaGEOB struct.
AVCodecID
Identify the syntax and semantics of the bitstream.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
#define AV_DICT_MATCH_CASE
AVDictionary * metadata
Metadata that applies to the whole file.
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
const AVMetadataConv ff_id3v2_4_metadata_conv[]
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
AVBufferRef * buf
A reference to the reference-counted buffer where the packet data is stored.
void ff_id3v2_free_extra_meta(ID3v2ExtraMeta **extra_meta)
Free memory allocated parsing special (non-text) metadata.
void av_log(void *avcl, int level, const char *fmt,...)
AVStream * avformat_new_stream(AVFormatContext *s, AVCodec *c)
Add a new stream to a media file.
size_t av_strlcpy(char *dst, const char *src, size_t size)
Copy the string src to dst, but no more than size - 1 bytes, and null-terminate dst.
const char * ff_id3v2_picture_types[21]
int flags
A combination of AV_PKT_FLAG values.
int avio_r8(AVIOContext *s)
AVCodecContext * codec
Codec context associated with this stream.
const CodecMime ff_id3v2_mime_tags[]
#define FF_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
unsigned int avio_rb24(AVIOContext *s)
#define AV_DICT_DONT_STRDUP_VAL
Take ownership of a value that's been allocated with av_malloc() and chilren.
static void free_geobtag(void *obj)
Free GEOB type extra metadata.
static unsigned int get_size(AVIOContext *s, int len)
static av_always_inline int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
#define ID3v2_FLAG_UNSYNCH
static void merge_date(AVDictionary **m)
void ff_id3v2_read(AVFormatContext *s, const char *magic, ID3v2ExtraMeta **extra_meta)
Read an ID3v2 tag, including supported extra 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.
#define AV_LOG_INFO
Standard information.
enum AVMediaType codec_type
char * av_strdup(const char *s)
Duplicate the string s.
AVBufferRef * av_buffer_alloc(int size)
Allocate an AVBuffer of the given size using av_malloc().
AVIOContext * pb
I/O context.
void avio_w8(AVIOContext *s, int b)
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
uint8_t * data
The data buffer.
#define ID3v2_FLAG_COMPRESSION
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
static void read_ttag(AVFormatContext *s, AVIOContext *pb, int taglen, const char *key)
Parse a text tag.
static void id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t flags, ID3v2ExtraMeta **extra_meta)
int size
Size of data in bytes.
static const ID3v2EMFunc * get_extra_meta_func(const char *tag, int isv34)
Get the corresponding ID3v2EMFunc struct for a tag.
unsigned int avio_rl16(AVIOContext *s)
void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size)
Allocate a buffer, reusing the given one if large enough.
int ff_id3v2_match(const uint8_t *buf, const char *magic)
Detect ID3v2 Header.
int ffio_init_context(AVIOContext *s, unsigned char *buffer, int buffer_size, int write_flag, void *opaque, int(*read_packet)(void *opaque, uint8_t *buf, int buf_size), int(*write_packet)(void *opaque, uint8_t *buf, int buf_size), int64_t(*seek)(void *opaque, int64_t offset, int whence))
int disposition
AV_DISPOSITION_* bit field.
#define ID3v2_FLAG_ENCRYPTION
void av_init_packet(AVPacket *pkt)
Initialize optional fields of a packet with default values.
const char ff_id3v2_3_tags[][4]
ID3v2.3-only text information frames.
int eof_reached
true if eof reached
int ff_id3v2_tag_len(const uint8_t *buf)
Get the length of an ID3v2 tag.
int avio_get_str(AVIOContext *pb, int maxlen, char *buf, int buflen)
Read a string from pb into buf.
#define ID3v2_FLAG_DATALEN
const char *const ff_id3v1_genre_str[ID3v1_GENRE_MAX+1]
ID3v1 genres.
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
AVPacket attached_pic
For streams with AV_DISPOSITION_ATTACHED_PIC disposition, this packet will contain the attached pictu...
static const AVMetadataConv id3v2_2_metadata_conv[]