- don't push samples before the src element has started - use GRefPtr in pushSample method
Pull request: https://github.com/WebKit/WebKit/pull/12613
Committed 262951@main (54dda9907c94): <https://commits.webkit.org/262951@main> Reviewed commits have been landed. Closing PR #12613 and removing active labels.
<rdar://problem/108038749>