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

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// 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};
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 fakesrc = gst::ElementFactory::make("fakesrc", None).unwrap();
let proxysink = gst::ElementFactory::make("ts-proxysink", None).unwrap();
let proxysrc = gst::ElementFactory::make("ts-proxysrc", None).unwrap();
let appsink = gst::ElementFactory::make("appsink", None).unwrap();
pipeline
.add_many(&[&fakesrc, &proxysink, &proxysrc, &appsink])
.unwrap();
fakesrc.link(&proxysink).unwrap();
proxysrc.link(&appsink).unwrap();
fakesrc.set_property("num-buffers", &3i32).unwrap();
proxysink
.set_property("proxy-context", &format!("test-{}", n_threads))
.unwrap();
proxysrc
.set_property("proxy-context", &format!("test-{}", n_threads))
.unwrap();
proxysrc
.set_property("context-threads", &n_threads)
.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();
samples_clone.lock().unwrap().push(sample);
Some(gst::FlowReturn::Ok.to_value())
})
.unwrap();
pipeline
.set_state(gst::State::Playing)
.into_result()
.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!(sample.get_buffer().is_some());
}
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);
}