53 lines
1.6 KiB
Rust
53 lines
1.6 KiB
Rust
// client/src/output/video.rs
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use gstreamer as gst;
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use gstreamer_app as gst_app;
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use gst::prelude::*;
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use gst_app::prelude::*;
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use lesavka_common::lesavka::VideoPacket;
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use winit::window::{Window, WindowAttributes};
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use winit::event_loop::EventLoop;
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pub struct MonitorWindow {
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id: u32,
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_window: Window,
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src: gst_app::AppSrc,
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}
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impl MonitorWindow {
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pub fn new(id: u32, el: &EventLoop<()>) -> anyhow::Result<Self> {
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gst::init()?;
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let window = el.create_window(
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WindowAttributes::default()
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.with_title(format!("Lesavka‑monitor‑{id}"))
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.with_decorations(false)
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)?;
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// appsrc -> decode -> convert -> waylandsink
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let desc = "appsrc name=src is-live=true format=time do-timestamp=true ! \
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queue ! h264parse ! avdec_h264 ! videoconvert ! \
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waylandsink name=sink sync=false";
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let pipeline = gst::parse::launch(desc)?
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.downcast::<gst::Pipeline>()
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.unwrap();
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let src = pipeline
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.by_name("src").unwrap()
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.downcast::<gst_app::AppSrc>().unwrap();
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src.set_latency(gst::ClockTime::NONE, gst::ClockTime::NONE);
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pipeline.set_state(gst::State::Playing)?;
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Ok(Self { id, _window: window, src })
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}
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pub fn push_packet(&self, pkt: VideoPacket) {
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let mut buf = gst::Buffer::from_slice(pkt.data);
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buf.get_mut().unwrap()
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.set_pts(Some(gst::ClockTime::from_useconds(pkt.pts)));
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let _ = self.src.push_buffer(buf);
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}
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}
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