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gstreamer: bus: Handle all previously queued messages too in the BusStream

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Before the stream was created, some messages might've been queued on the
bus. For more similar behaviour with the bus watch, first pop all the
queued messages before handling new messages.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1398>
This commit is contained in:
Sebastian Dröge 2024-02-21 12:09:14 +02:00
parent b47aba1837
commit c8b98dde8c
1 changed files with 7 additions and 1 deletions
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8
gstreamer/src/bus.rs
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@ -346,7 +346,13 @@ impl BusStream {
let (sender, receiver) = mpsc::unbounded(); let (sender, receiver) = mpsc::unbounded();
bus.set_sync_handler(move |_, message| { bus.set_sync_handler(move |bus, message| {
// First pop all messages that might've been previously queued before creating
// the bus stream.
while let Some(message) = bus.pop() {
let _ = sender.unbounded_send(message);
}
let _ = sender.unbounded_send(message.to_owned()); let _ = sender.unbounded_send(message.to_owned());
BusSyncReply::Drop BusSyncReply::Drop