gst-plugins-rs/gst-plugin-threadshare/tests/udpsrc.rs

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2018-04-05 10:46:23 +00:00
// 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);
}