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streamproducer: forward selected sticky events when adding consumers

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The consumer pipeline may rely on some sticky events (Tag in my case)
which may have already been sent.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1299>
This commit is contained in:
Guillaume Desmottes 2023-07-25 10:58:34 +02:00 committed by GStreamer Marge Bot
parent 783b95884d
commit 63852b3b19
1 changed files with 16 additions and 0 deletions
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16
gstreamer-utils/src/streamproducer.rs
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@ -214,6 +214,22 @@ impl StreamProducer {
.consumers
.insert(consumer.clone(), stream_consumer);
// forward selected sticky events. We can send those now as appsrc will delay the events
// until stream-start, caps and segment are sent.
let events_to_forward = consumers.events_to_forward.clone();
// drop the lock before sending events
drop(consumers);
let appsink_pad = self.appsink.static_pad("sink").unwrap();
appsink_pad.sticky_events_foreach(|event| {
if events_to_forward.contains(&event.type_()) {
gst::debug!(CAT, obj: &self.appsink, "forward sticky event {:?}", event);
consumer.send_event(event.clone());
}
std::ops::ControlFlow::Continue(gst::EventForeachAction::Keep)
});
Ok(())
}