chris/iced_video_player
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do not busy loop when paused

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jazzfool 2024-10-06 21:36:20 +11:00
parent d4847e95fc
commit 877f5c906c
1 changed files with 8 additions and 0 deletions
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8
src/video.rs
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@ -237,6 +237,7 @@ impl Video {
let alive = Arc::new(AtomicBool::new(true)); let alive = Arc::new(AtomicBool::new(true));
let last_frame_time = Arc::new(Mutex::new(Instant::now())); let last_frame_time = Arc::new(Mutex::new(Instant::now()));
let pipeline_ref = pipeline.clone();
let frame_ref = Arc::clone(&frame); let frame_ref = Arc::clone(&frame);
let upload_frame_ref = Arc::clone(&upload_frame); let upload_frame_ref = Arc::clone(&upload_frame);
let alive_ref = Arc::clone(&alive); let alive_ref = Arc::clone(&alive);
@ -245,6 +246,13 @@ impl Video {
let worker = std::thread::spawn(move || { let worker = std::thread::spawn(move || {
while alive_ref.load(Ordering::Acquire) { while alive_ref.load(Ordering::Acquire) {
let frame_interval = std::time::Duration::from_secs_f64(1.0 / framerate); let frame_interval = std::time::Duration::from_secs_f64(1.0 / framerate);
let state = pipeline_ref.state(None).1;
if state != gst::State::Playing {
// otherwise thread will busy loop pulling preroll
std::thread::sleep(2 * frame_interval);
}
if let Err(gst::FlowError::Error) = (|| -> Result<(), gst::FlowError> { if let Err(gst::FlowError::Error) = (|| -> Result<(), gst::FlowError> {
let timeout = let timeout =
gst::ClockTime::from_nseconds(2 * frame_interval.as_nanos() as u64); gst::ClockTime::from_nseconds(2 * frame_interval.as_nanos() as u64);