threadshare: Add test for udpsrc

gst-plugin-threadshare/tests/udpsrc.rs

@@ -0,0 +1,156 @@
+// Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the
+// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
+// Boston, MA 02110-1335, USA.
+
+extern crate glib;
+use glib::prelude::*;
+
+extern crate gstreamer as gst;
+use gst::prelude::*;
+
+use std::sync::{Arc, Mutex};
+use std::thread;
+
+fn init() {
+    use std::sync::{Once, ONCE_INIT};
+    static INIT: Once = ONCE_INIT;
+
+    INIT.call_once(|| {
+        gst::init().unwrap();
+
+        #[cfg(debug_assertions)]
+        {
+            use std::path::Path;
+
+            let mut path = Path::new("target/debug");
+            if !path.exists() {
+                path = Path::new("../target/debug");
+            }
+
+            gst::Registry::get().scan_path(path);
+        }
+        #[cfg(not(debug_assertions))]
+        {
+            use std::path::Path;
+
+            let mut path = Path::new("target/release");
+            if !path.exists() {
+                path = Path::new("../target/release");
+            }
+
+            gst::Registry::get().scan_path(path);
+        }
+    });
+}
+
+fn test_push(n_threads: i32) {
+    init();
+
+    let pipeline = gst::Pipeline::new(None);
+    let udpsrc = gst::ElementFactory::make("ts-udpsrc", None).unwrap();
+    let appsink = gst::ElementFactory::make("appsink", None).unwrap();
+    pipeline.add_many(&[&udpsrc, &appsink]).unwrap();
+    udpsrc.link(&appsink).unwrap();
+
+    let caps = gst::Caps::new_simple("foo/bar", &[]);
+    udpsrc.set_property("caps", &caps).unwrap();
+    udpsrc.set_property("context-threads", &n_threads).unwrap();
+    udpsrc
+        .set_property("port", &((5000 + n_threads) as u32))
+        .unwrap();
+
+    appsink.set_property("emit-signals", &true).unwrap();
+
+    let samples = Arc::new(Mutex::new(Vec::new()));
+
+    let samples_clone = samples.clone();
+    appsink
+        .connect("new-sample", true, move |args| {
+            let appsink = args[0].get::<gst::Element>().unwrap();
+
+            let sample = appsink
+                .emit("pull-sample", &[])
+                .unwrap()
+                .unwrap()
+                .get::<gst::Sample>()
+                .unwrap();
+
+            let mut samples = samples_clone.lock().unwrap();
+
+            samples.push(sample);
+            if samples.len() == 3 {
+                let _ = appsink.post_message(&gst::Message::new_eos().src(Some(&appsink)).build());
+            }
+
+            Some(gst::FlowReturn::Ok.to_value())
+        })
+        .unwrap();
+
+    pipeline
+        .set_state(gst::State::Playing)
+        .into_result()
+        .unwrap();
+
+    thread::spawn(move || {
+        use std::net;
+        use std::net::{IpAddr, Ipv4Addr, SocketAddr};
+
+        let buffer = [0; 160];
+        let socket = net::UdpSocket::bind("0.0.0.0:0").unwrap();
+
+        let ipaddr = IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1));
+        let dest = SocketAddr::new(ipaddr, (5000 + n_threads) as u16);
+
+        for _ in 0..3 {
+            socket.send_to(&buffer, dest).unwrap();
+        }
+    });
+
+    let mut eos = false;
+    let bus = pipeline.get_bus().unwrap();
+    while let Some(msg) = bus.timed_pop(5 * gst::SECOND) {
+        use gst::MessageView;
+        match msg.view() {
+            MessageView::Eos(..) => {
+                eos = true;
+                break;
+            }
+            MessageView::Error(..) => unreachable!(),
+            _ => (),
+        }
+    }
+
+    assert!(eos);
+    let samples = samples.lock().unwrap();
+    assert_eq!(samples.len(), 3);
+
+    for sample in samples.iter() {
+        assert_eq!(sample.get_buffer().map(|b| b.get_size()), Some(160));
+        assert_eq!(Some(&caps), sample.get_caps().as_ref());
+    }
+
+    pipeline.set_state(gst::State::Null).into_result().unwrap();
+}
+
+#[test]
+fn test_push_single_threaded() {
+    test_push(-1);
+}
+
+#[test]
+fn test_push_multi_threaded() {
+    test_push(2);
+}