#include <stdint.h>
#include "avformat.h"
+#include "internal.h"
#include "metadata.h"
#define ID3v2_HEADER_SIZE 10
ID3v2_ENCODING_UTF8 = 3,
};
+typedef struct ID3v2EncContext {
+ int version; ///< ID3v2 minor version, either 3 or 4
+ int64_t size_pos; ///< offset of the tag total size
+ int len; ///< size of the tag written so far
+} ID3v2EncContext;
+
typedef struct ID3v2ExtraMeta {
const char *tag;
void *data;
uint8_t *data;
} ID3v2ExtraMetaGEOB;
+typedef struct ID3v2ExtraMetaAPIC {
+ uint8_t *data;
+ int len;
+ const char *type;
+ uint8_t *description;
+ enum AVCodecID id;
+} ID3v2ExtraMetaAPIC;
+
/**
* 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 (text tags only)
+ * Read an ID3v2 tag, including supported extra metadata
+ * @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(AVFormatContext *s, const char *magic);
+void ff_id3v2_read(AVFormatContext *s, const char *magic, ID3v2ExtraMeta **extra_meta);
/**
- * 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
+ * Initialize an ID3v2 tag.
+ */
+void ff_id3v2_start(ID3v2EncContext *id3, AVIOContext *pb, int id3v2_version,
+ const char *magic);
+
+/**
+ * Convert and write all global metadata from s into an ID3v2 tag.
+ */
+int ff_id3v2_write_metadata(AVFormatContext *s, ID3v2EncContext *id3);
+
+/**
+ * Write an attached picture from pkt into an ID3v2 tag.
*/
-void ff_id3v2_read_all(AVFormatContext *s, const char *magic, ID3v2ExtraMeta **extra_meta);
+int ff_id3v2_write_apic(AVFormatContext *s, ID3v2EncContext *id3, AVPacket *pkt);
+
+/**
+ * Finalize an opened ID3v2 tag.
+ */
+void ff_id3v2_finish(ID3v2EncContext *id3, AVIOContext *pb);
+
+/**
+ * Write an ID3v2 tag containing all global metadata from s.
+ * @param id3v2_version Subversion of ID3v2; supported values are 3 and 4
+ * @param magic magic bytes to identify the header
+ * If in doubt, use ID3v2_DEFAULT_MAGIC.
+ */
+int ff_id3v2_write_simple(struct AVFormatContext *s, int id3v2_version, const char *magic);
/**
* Free memory allocated parsing special (non-text) metadata.
*/
void ff_id3v2_free_extra_meta(ID3v2ExtraMeta **extra_meta);
+/**
+ * Create a stream for each APIC (attached picture) extracted from the
+ * ID3v2 header.
+ */
+int ff_id3v2_parse_apic(AVFormatContext *s, ID3v2ExtraMeta **extra_meta);
+
extern const AVMetadataConv ff_id3v2_34_metadata_conv[];
extern const AVMetadataConv ff_id3v2_4_metadata_conv[];
*/
extern const char ff_id3v2_3_tags[][4];
+extern const CodecMime ff_id3v2_mime_tags[];
+
+extern const char *ff_id3v2_picture_types[21];
+
#endif /* AVFORMAT_ID3V2_H */