gsttagxmp
#include <gst/tag/tag.h>
GstTagList * gst_tag_list_from_xmp_buffer (GstBuffer *buffer);
GstBuffer *buffer
GstBuffer * gst_tag_list_to_xmp_buffer (const GstTagList *list, gboolean read_only, const gchar **schemas);
const GstTagList *list
gboolean read_only
const gchar **schemas
const gchar ** gst_tag_xmp_list_schemas (void);
void