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ts-queue: Make PendingQueue a proper struct

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This commit is contained in:
Mathieu Duponchelle 2019-08-09 13:40:08 +02:00 committed by Sebastian Dröge
parent 892c812669
commit da2332d814
1 changed files with 37 additions and 11 deletions
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48
gst-plugin-threadshare/src/queue.rs
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@ -120,13 +120,19 @@ static PROPERTIES: [subclass::Property; 5] = [
}),
];
struct PendingQueue {
task: Option<task::Task>,
scheduled: bool,
items: VecDeque<DataQueueItem>,
}
struct State {
io_context: Option<IOContext>,
pending_future_id: Option<PendingFutureId>,
io_context_in: Option<IOContext>,
pending_future_id_in: Option<PendingFutureId>,
queue: Option<DataQueue>,
pending_queue: Option<(Option<task::Task>, bool, VecDeque<DataQueueItem>)>,
pending_queue: Option<PendingQueue>,
last_res: Result<gst::FlowSuccess, gst::FlowError>,
pending_future_cancel: Option<futures::sync::oneshot::Sender<()>>,
}
@ -179,12 +185,16 @@ impl Queue {
fn queue_until_full(
&self,
queue: &DataQueue,
pending_queue: &mut Option<(Option<task::Task>, bool, VecDeque<DataQueueItem>)>,
pending_queue: &mut Option<PendingQueue>,
item: DataQueueItem,
) -> Result<(), DataQueueItem> {
match pending_queue {
None => queue.push(item),
Some((_, false, ref mut items)) => {
Some(PendingQueue {
task: _,
scheduled: false,
ref mut items,
}) => {
let mut failed_item = None;
while let Some(item) = items.pop_front() {
if let Err(item) = queue.push(item) {
@ -222,7 +232,7 @@ impl Queue {
..
} = *state;
pending_queue.as_mut().unwrap().1 = true;
pending_queue.as_mut().unwrap().scheduled = true;
let element_clone = element.clone();
let future = future::poll_fn(move || {
@ -245,7 +255,12 @@ impl Queue {
"Trying to empty pending queue"
);
let res = if let Some((ref mut task, _, ref mut items)) = *pending_queue {
let res = if let Some(PendingQueue {
ref mut task,
scheduled: _,
ref mut items,
}) = *pending_queue
{
let mut failed_item = None;
while let Some(item) = items.pop_front() {
if let Err(item) = dq.as_ref().unwrap().push(item) {
@ -312,11 +327,15 @@ impl Queue {
if let Err(item) = self.queue_until_full(queue, pending_queue, item) {
if pending_queue
.as_ref()
.map(|(_, scheduled, _)| !scheduled)
.map(|pq| !pq.scheduled)
.unwrap_or(true)
{
if pending_queue.is_none() {
*pending_queue = Some((None, false, VecDeque::new()));
*pending_queue = Some(PendingQueue {
task: None,
scheduled: false,
items: VecDeque::new(),
});
}
let schedule_now = match item {
@ -326,7 +345,7 @@ impl Queue {
_ => true,
};
pending_queue.as_mut().unwrap().2.push_back(item);
pending_queue.as_mut().unwrap().items.push_back(item);
gst_log!(
self.cat,
@ -343,7 +362,7 @@ impl Queue {
}
} else {
assert!(io_context_in.is_some());
pending_queue.as_mut().unwrap().2.push_back(item);
pending_queue.as_mut().unwrap().items.push_back(item);
None
}
@ -540,7 +559,11 @@ impl Queue {
> {
let event = {
let state = self.state.lock().unwrap();
if let Some((Some(ref task), _, _)) = state.pending_queue {
if let Some(PendingQueue {
task: Some(ref task),
..
}) = state.pending_queue
{
task.notify();
}
@ -768,7 +791,10 @@ impl Queue {
queue.pause();
queue.clear(&self.src_pad);
}
if let Some((Some(task), _, _)) = state.pending_queue.take() {
if let Some(PendingQueue {
task: Some(task), ..
}) = state.pending_queue.take()
{
task.notify();
}
let _ = state.pending_future_cancel.take();