Any private data that may be contained in tags (sample).
It is represented by #GstSample in which #GstBuffer contains the
binary data and the sample's info #GstStructure may contain any
extra information that identifies the origin or meaning of the data.
Private frames in ID3v2 tags ('PRIV' frames) will be represented
using this tag, in which case the GstStructure will be named
"ID3PrivateFrame" and contain a field named "owner" of type string
which contains the owner-identification string from the tag.
Any private data that may be contained in tags (sample).
It is represented by #GstSample in which #GstBuffer contains the binary data and the sample's info #GstStructure may contain any extra information that identifies the origin or meaning of the data.
Private frames in ID3v2 tags ('PRIV' frames) will be represented using this tag, in which case the GstStructure will be named "ID3PrivateFrame" and contain a field named "owner" of type string which contains the owner-identification string from the tag.