31 {
"TCOM",
"composer"},
33 {
"TCOP",
"copyright"},
34 {
"TENC",
"encoded_by"},
36 {
"TLAN",
"language"},
38 {
"TPE2",
"album_artist"},
39 {
"TPE3",
"performer"},
41 {
"TPUB",
"publisher"},
50 {
"TDEN",
"creation_time"},
51 {
"TSOA",
"album-sort"},
52 {
"TSOP",
"artist-sort"},
53 {
"TSOT",
"title-sort"},
61 {
"TEN",
"encoded_by"},
63 {
"TP2",
"album_artist"},
64 {
"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 return buf[0] == magic[0] &&
96 (buf[6] & 0x80) == 0 &&
97 (buf[7] & 0x80) == 0 &&
98 (buf[8] & 0x80) == 0 &&
104 int len = ((buf[6] & 0x7f) << 21) +
105 ((buf[7] & 0x7f) << 14) +
106 ((buf[8] & 0x7f) << 7) +
118 v = (v << 7) + (
avio_r8(s) & 0x7F);
148 uint8_t **dst,
int *maxread)
173 if ((left -= 2) < 0) {
194 while ((left > 1) && ch) {
195 GET_UTF16(ch, ((left -= 2) >= 0 ?
get(pb) : 0),
break;)
237 if (
decode_str(s, pb, encoding, &dst, &taglen) < 0) {
242 if (!(strcmp(key,
"TCON") && strcmp(key,
"TCO"))
243 && (sscanf(dst,
"(%d)", &genre) == 1 || sscanf(dst,
"%d", &genre) == 1)
247 }
else if (!(strcmp(key,
"TXXX") && strcmp(key,
"TXX"))) {
250 if (
decode_str(s, pb, encoding, &dst, &taglen) < 0) {
311 if (!geob_data->
data) {
324 new_extra->
tag =
"GEOB";
325 new_extra->
data = geob_data;
326 new_extra->
next = *extra_meta;
327 *extra_meta = new_extra;
340 while (*str >=
'0' && *str <=
'9') str++;
368 snprintf(date + 4,
sizeof(date) - 4,
"-%.2s-%.2s", t->
value + 2, t->
value);
375 snprintf(date + 10,
sizeof(date) - 10,
" %.2s:%.2s", t->
value, t->
value + 2);
404 while (id3v2_extra_meta_funcs[i].tag3) {
406 (isv34 ? id3v2_extra_meta_funcs[i].tag4 :
407 id3v2_extra_meta_funcs[i].tag3),
409 return &id3v2_extra_meta_funcs[i];
417 int isv34, tlen, unsync;
421 const char *reason =
NULL;
431 reason =
"compression";
449 unsync = flags & 0x80;
451 if (isv34 && flags & 0x40) {
457 reason =
"invalid extended header length";
463 while (len >= taghdrlen) {
464 unsigned int tflags = 0;
481 if (tlen < 0 || tlen > len - taghdrlen) {
485 len -= taghdrlen + tlen;
503 }
else if (tag[0] ==
'T' || (extra_meta && (extra_func =
get_extra_meta_func(tag, isv34)))) {
504 if (unsync || tunsync) {
515 if (*(b - 1) == 0xff &&
avio_tell(s->
pb) < end - 1 &&
532 extra_func->
read(s, pbx, tlen, tag, extra_meta);
545 if (version == 4 && flags & 0x10)
550 av_log(s,
AV_LOG_INFO,
"ID3v2.%d tag skipped, cannot handle %s\n", version, reason);
572 len = ((buf[6] & 0x7f) << 21) |
573 ((buf[7] & 0x7f) << 14) |
574 ((buf[8] & 0x7f) << 7) |
580 }
while (found_header);
600 next = current->
next;
void * av_mallocz(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.
int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer)
Return the written size and a pointer to the buffer.
struct ID3v2EMFunc ID3v2EMFunc
static int is_number(const char *str)
static AVDictionaryEntry * get_date_tag(AVDictionary *m, const char *tag)
static void ff_id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t flags, ID3v2ExtraMeta **extra_meta)
#define AV_DICT_DONT_OVERWRITE
Don't overwrite existing entries.
static const ID3v2EMFunc id3v2_extra_meta_funcs[]
#define AV_LOG_WARNING
Something somehow does not look correct.
void(* read)(AVFormatContext *, AVIOContext *, int, char *, ID3v2ExtraMeta **)
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
const char ff_id3v2_4_tags[][4]
ID3v2.4-only text information frames.
#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 avio_open_dyn_buf(AVIOContext **s)
Open a write only memory stream.
void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size)
Allocate a buffer, reusing the given one if large enough.
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)
void ff_id3v2_read(AVFormatContext *s, const char *magic)
Read an ID3v2 tag (text tags only)
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
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 avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
#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.
#define AV_DICT_MATCH_CASE
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[]
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,...)
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.
int avio_r8(AVIOContext *s)
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)
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.
void avio_w8(AVIOContext *s, int b)
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
#define ID3v2_FLAG_COMPRESSION
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
static void read_ttag(AVFormatContext *s, AVIOContext *pb, int taglen, const char *key)
Parse a text tag.
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)
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
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))
#define ID3v2_FLAG_ENCRYPTION
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.
#define ID3v2_FLAG_DATALEN
const char *const ff_id3v1_genre_str[ID3v1_GENRE_MAX+1]
ID3v1 genres.
static const AVMetadataConv id3v2_2_metadata_conv[]