Check if it is safe to write to this gstreamer.Uri
Check if the refcount of uri is exactly 1, meaning that no other reference exists to the gstreamer.Uri and that the gstreamer.Uri is therefore writable.
Modification of a gstreamer.Uri should only be done after verifying that it is writable.
TRUE if it is safe to write to the object.
1.6
Check if it is safe to write to this gstreamer.Uri
Check if the refcount of uri is exactly 1, meaning that no other reference exists to the gstreamer.Uri and that the gstreamer.Uri is therefore writable.
Modification of a gstreamer.Uri should only be done after verifying that it is writable.