Sebastian Dröge 8ed0b03c78 appsink: Use a class handler callback instead of vfunc for propose-allocation
There would otherwise be no padding left in the class struct anymore and
we might need it for something else in the future.

A class handler callback can be overridden by subclasses via
`g_signal_override_class_handler()` and chained up via
`g_signal_chain_from_overridden_handler()`.

Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/2422

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4356>
2023-04-06 15:21:35 +00:00
..