Performs gst.pad.Pad.query on the peer of pad.
The caller is responsible for both the allocation and deallocation of the query structure.
the #GstQuery to perform.
true if the query could be performed. This function returns false if pad has no peer.
Performs gst.pad.Pad.query on the peer of pad.
The caller is responsible for both the allocation and deallocation of the query structure.