Edward Hervey authored Nov 28, 2019 and GStreamer Marge Bot committed Mar 05, 2020

* A copy-paste error was getting the information from the wrong
  query
* The 'allocation_meta' GstStructure was being leaked
* No check was done on whether the query existed (to try to set the
  resulting allocation meta on)

CID: 1439872
CID: 1439873
CID: 1439874
CID: 1439875
CID: 1439876
CID: 1439877