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threadshare/udpsink: Add Element::send_event() impl and handle latency event

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We need to add the latency to the running time we're waiting for, and
also should push all upstream events (apart from Step events) upstream.
This commit is contained in:
Sebastian Dröge 2020-02-19 21:38:50 +02:00
parent 160ae4d11c
commit b8f8705c47
1 changed files with 22 additions and 0 deletions
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22
gst-plugin-threadshare/src/udpsink.rs
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@ -120,6 +120,7 @@ impl Default for Settings {
#[derive(Debug)]
struct State {
segment: Option<gst::Segment>,
latency: gst::ClockTime,
context: Option<Context>,
socket: Arc<Mutex<Option<tokio::net::UdpSocket>>>,
socket_v6: Arc<Mutex<Option<tokio::net::UdpSocket>>>,
@ -131,6 +132,7 @@ impl Default for State {
fn default() -> State {
State {
segment: None,
latency: gst::CLOCK_TIME_NONE,
context: None,
socket: Arc::new(Mutex::new(None)),
socket_v6: Arc::new(Mutex::new(None)),
@ -479,6 +481,11 @@ impl UdpSink {
if let Some(segment) = &state.segment {
if let Some(segment) = segment.downcast_ref::<gst::format::Time>() {
let rtime = segment.to_running_time(buffer.get_pts());
let rtime = if state.latency.is_some() {
rtime + state.latency
} else {
rtime
};
drop(state);
self.sync(&element, rtime).await;
}
@ -1312,6 +1319,21 @@ impl ElementImpl for UdpSink {
self.parent_change_state(element, transition)
}
fn send_event(&self, _element: &gst::Element, event: gst::Event) -> bool {
match event.view() {
EventView::Latency(ev) => {
let _ = block_on(async {
let mut state = self.state.lock().await;
state.latency = ev.get_latency();
});
self.sink_pad.gst_pad().push_event(event)
}
EventView::Step(..) => false,
_ => self.sink_pad.gst_pad().push_event(event),
}
}
}
pub fn register(plugin: &gst::Plugin) -> Result<(), glib::BoolError> {