ID3v2_ENCODING_UTF8 = 3,
};
+typedef struct ID3v2ExtraMeta {
+ const char *tag;
+ void *data;
+ struct ID3v2ExtraMeta *next;
+} ID3v2ExtraMeta;
+
+typedef struct ID3v2ExtraMetaGEOB {
+ uint32_t datasize;
+ uint8_t *mime_type;
+ uint8_t *file_name;
+ uint8_t *description;
+ uint8_t *data;
+} ID3v2ExtraMetaGEOB;
+
+typedef struct ID3v2EMFunc {
+ const char *tag3;
+ const char *tag4;
+ void (*read)(AVFormatContext*, AVIOContext*, int, char*, ID3v2ExtraMeta **);
+ void (*free)(void *);
+} ID3v2EMFunc;
+
/**
* Detect ID3v2 Header.
* @param buf must be ID3v2_HEADER_SIZE byte long
int ff_id3v2_tag_len(const uint8_t *buf);
/**
- * Read an ID3v2 tag
+ * Read an ID3v2 tag (text tags only)
*/
void ff_id3v2_read(AVFormatContext *s, const char *magic);
+/**
+ * Read an ID3v2 tag, including supported extra metadata (currently only GEOB)
+ * @param 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
+ */
+void ff_id3v2_read_all(AVFormatContext *s, const char *magic, ID3v2ExtraMeta **extra_meta);
+
+/**
+ * Free memory allocated parsing special (non-text) metadata.
+ * @param extra_meta Pointer to a pointer to the head of a ID3v2ExtraMeta list, *extra_meta is set to NULL.
+ */
+void ff_id3v2_free_extra_meta(ID3v2ExtraMeta **extra_meta);
+
+extern const ID3v2EMFunc ff_id3v2_extra_meta_funcs[];
+
extern const AVMetadataConv ff_id3v2_34_metadata_conv[];
extern const AVMetadataConv ff_id3v2_4_metadata_conv[];
extern const AVMetadataConv ff_id3v2_2_metadata_conv[];