Backport of "streamsynchronizer: avoid pad release race during logging." into 1.16
requested to merge tpm/gst-plugins-base:backport-mr-433-into-1.16-stream-sync-release-race into 1.16
Backport of !433 (merged) "streamsynchronizer: avoid pad release race during logging.".
Commits:
- 96c6f581 streamsynchronizer: avoid pad destruction races.