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;
} ID3v2ExtraMetaGEOB;
typedef struct ID3v2ExtraMetaAPIC {
- uint8_t *data;
- int len;
+ AVBufferRef *buf;
const char *type;
uint8_t *description;
- enum CodecID id;
+ enum AVCodecID id;
} ID3v2ExtraMetaAPIC;
/**
void ff_id3v2_read(AVFormatContext *s, const char *magic, ID3v2ExtraMeta **extra_meta);
/**
- * Write an ID3v2 tag.
+ * 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.
+ */
+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(struct AVFormatContext *s, int id3v2_version, const char *magic);
+int ff_id3v2_write_simple(struct AVFormatContext *s, int id3v2_version, const char *magic);
/**
* Free memory allocated parsing special (non-text) metadata.