Philippe Normand 1e2b103b20 alphacombine: De-couple flush-start/stop events handling
There is no guarantee that any FLUSH_STOP event is preceded by a FLUSH_START.
The element now stops flushing once it has received a FLUSH_STOP on all its sink
pads.

Fixes #4174

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8604>
2025-03-12 18:34:53 +00:00
..