Backport of "proxysink: Make sure stream-start and caps events are forwarded, and fix memory leak" into 1.20
Backport of !1552 (merged) "proxysink: Make sure stream-start and caps events are forwarded, and fix memory leak".
Commits:
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Backport of !1552 (merged) "proxysink: Make sure stream-start and caps events are forwarded, and fix memory leak".
Commits: