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threadshare/inputselector: Query all sinkpads for their latency and post latency messages when the pads change

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This commit is contained in:
Sebastian Dröge 2020-03-19 11:29:05 +02:00
parent c01ef0e774
commit 4c0ba5c374
1 changed files with 27 additions and 11 deletions
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38
gst-plugin-threadshare/src/inputselector.rs
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@ -37,9 +37,9 @@ use std::sync::{Arc, Mutex};
use std::time::Duration;
use std::u32;
use crate::get_current_running_time;
use crate::runtime::prelude::*;
use crate::runtime::{self, Context, PadSink, PadSinkRef, PadSrc, PadSrcRef};
use crate::get_current_running_time;
const DEFAULT_CONTEXT: &str = "";
const DEFAULT_CONTEXT_WAIT: u32 = 0;
@ -340,22 +340,31 @@ impl PadSrcHandler for InputSelectorPadSrcHandler {
match query.view_mut() {
QueryView::Latency(ref mut q) => {
let mut ret = true;
let mut min_latency: gst::ClockTime = 0.into();
let mut max_latency: gst::ClockTime = 0.into();
let sinkpad = {
let state = inputselector.state.lock().unwrap();
state.active_sinkpad.clone()
let mut min_latency = 0.into();
let mut max_latency = gst::CLOCK_TIME_NONE;
let pads = {
let pads = inputselector.pads.lock().unwrap();
pads.sink_pads
.iter()
.map(|p| p.0.clone())
.collect::<Vec<_>>()
};
if let Some(sinkpad) = sinkpad {
for pad in pads {
let mut peer_query = gst::query::Query::new_latency();
ret = sinkpad.peer_query(&mut peer_query);
ret = pad.peer_query(&mut peer_query);
if ret {
let (_, min, max) = peer_query.get_result();
min_latency = min;
max_latency = max;
let (live, min, max) = peer_query.get_result();
if live {
min_latency = std::cmp::max(min, min_latency);
if max_latency.is_none() && max.is_some() {
max_latency = max;
} else if max_latency.is_some() && max.is_some() {
max_latency = std::cmp::min(max, max_latency);
}
}
}
}
@ -644,6 +653,10 @@ impl ElementImpl for InputSelector {
}
pads.sink_pads.insert(ret.clone(), sink_pad);
drop(pads);
drop(state);
let _ = element.post_message(&gst::Message::new_latency().src(Some(element)).build());
Some(ret)
}
@ -653,6 +666,9 @@ impl ElementImpl for InputSelector {
let sink_pad = pads.sink_pads.remove(pad).unwrap();
sink_pad.unprepare();
element.remove_pad(pad).unwrap();
drop(pads);
let _ = element.post_message(&gst::Message::new_latency().src(Some(element)).build());
}
}