gstreamer-rs/examples/src/bin/gtksink.rs

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Rust
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#[cfg(feature = "gtksink")]
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extern crate gstreamer as gst;
#[cfg(feature = "gtksink")]
use gst::prelude::*;
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#[cfg(feature = "gtksink")]
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extern crate glib;
#[cfg(feature = "gtksink")]
extern crate gio;
#[cfg(feature = "gtksink")]
use gio::prelude::*;
#[cfg(feature = "gtksink")]
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extern crate gtk;
#[cfg(feature = "gtksink")]
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use gtk::prelude::*;
#[cfg(feature = "gtksink")]
use std::env;
#[cfg(feature = "gtksink")]
extern crate send_cell;
#[cfg(feature = "gtksink")]
use send_cell::SendCell;
#[cfg(feature = "gtksink")]
fn create_ui(app: &gtk::Application) {
let pipeline = gst::Pipeline::new(None);
let src = gst::ElementFactory::make("videotestsrc", None).unwrap();
let (sink, widget) = if let Some(gtkglsink) = gst::ElementFactory::make("gtkglsink", None) {
let glsinkbin = gst::ElementFactory::make("glsinkbin", None).unwrap();
glsinkbin
.set_property("sink", &gtkglsink.to_value())
.unwrap();
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let widget = gtkglsink.get_property("widget").unwrap();
(glsinkbin, widget.get::<gtk::Widget>().unwrap())
} else {
let sink = gst::ElementFactory::make("gtksink", None).unwrap();
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let widget = sink.get_property("widget").unwrap();
(sink, widget.get::<gtk::Widget>().unwrap())
};
pipeline.add_many(&[&src, &sink]).unwrap();
src.link(&sink).unwrap();
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let window = gtk::Window::new(gtk::WindowType::Toplevel);
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window.set_default_size(320, 240);
let vbox = gtk::Box::new(gtk::Orientation::Vertical, 0);
vbox.pack_start(&widget, true, true, 0);
let label = gtk::Label::new("Position: 00:00:00");
vbox.pack_start(&label, true, true, 5);
window.add(&vbox);
window.show_all();
app.add_window(&window);
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let pipeline_clone = pipeline.clone();
gtk::timeout_add(500, move || {
let pipeline = &pipeline_clone;
let position = pipeline
.query_position::<gst::ClockTime>()
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.unwrap_or_else(|| 0.into());
label.set_text(&format!("Position: {:.0}", position));
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glib::Continue(true)
});
let app_clone = app.clone();
window.connect_delete_event(move |_, _| {
let app = &app_clone;
app.quit();
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Inhibit(false)
});
let bus = pipeline.get_bus().unwrap();
let ret = pipeline.set_state(gst::State::Playing);
assert_ne!(ret, gst::StateChangeReturn::Failure);
let app_clone = SendCell::new(app.clone());
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bus.add_watch(move |_, msg| {
use gst::MessageView;
let app = app_clone.borrow();
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match msg.view() {
MessageView::Eos(..) => gtk::main_quit(),
MessageView::Error(err) => {
println!(
"Error from {:?}: {} ({:?})",
msg.get_src().map(|s| s.get_path_string()),
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err.get_error(),
err.get_debug()
);
app.quit();
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}
_ => (),
};
glib::Continue(true)
});
let pipeline_clone = pipeline.clone();
app.connect_shutdown(move |_| {
let pipeline = &pipeline_clone;
let ret = pipeline.set_state(gst::State::Null);
assert_ne!(ret, gst::StateChangeReturn::Failure);
});
}
#[cfg(feature = "gtksink")]
fn main() {
gst::init().unwrap();
gtk::init().unwrap();
let app = gtk::Application::new(None, gio::ApplicationFlags::FLAGS_NONE).unwrap();
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app.connect_activate(create_ui);
let args = env::args().collect::<Vec<_>>();
app.run(&args);
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}
#[cfg(not(feature = "gtksink"))]
fn main() {
println!("Please compile with --feature gtksink");
}