Backport of "v4l2videodec: ensure pool exists before orphaning it" into 1.16
requested to merge tpm/gst-plugins-good:backport-mr-374-into-1.16-v4l2decoder-ensure-pool-before-orphan into 1.16
Backport of !374 (merged) "v4l2videodec: ensure pool exists before orphaning it".
Commits:
- 51b83d5c v4l2videodec: ensure pool exists before orphaning it