gst-plugins-rs/generic/threadshare/tests/pipeline.rs
François Laignel 1bea2ad279 threadshare: introduce TaskImpl trait
TaskImpl is the trait for specific Task behaviour. It is the basis
of a new Task model. The main motivation for this model is to ease
threadsafe implementations of state transitions.

See https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/298
2020-05-25 18:31:48 +02:00

627 lines
20 KiB
Rust

// Copyright (C) 2019 François Laignel <fengalin@free.fr>
//
// 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.
use gst::prelude::*;
use gst::{gst_debug, gst_error};
use lazy_static::lazy_static;
use std::sync::mpsc;
lazy_static! {
static ref CAT: gst::DebugCategory = gst::DebugCategory::new(
"ts-test",
gst::DebugColorFlags::empty(),
Some("Thread-sharing test"),
);
}
fn init() {
use std::sync::Once;
static INIT: Once = Once::new();
INIT.call_once(|| {
gst::init().unwrap();
gstthreadshare::plugin_register_static().expect("gstthreadshare pipeline test");
});
}
#[test]
fn multiple_contexts_queue() {
use std::net;
use std::net::{IpAddr, Ipv4Addr, SocketAddr};
use std::sync::mpsc;
init();
const CONTEXT_NB: u32 = 2;
const SRC_NB: u16 = 4;
const CONTEXT_WAIT: u32 = 1;
const BUFFER_NB: u32 = 3;
const FIRST_PORT: u16 = 40000;
let l = glib::MainLoop::new(None, false);
let pipeline = gst::Pipeline::new(None);
let (sender, receiver) = mpsc::channel();
for i in 0..SRC_NB {
let src =
gst::ElementFactory::make("ts-udpsrc", Some(format!("src-{}", i).as_str())).unwrap();
src.set_property("context", &format!("context-{}", (i as u32) % CONTEXT_NB))
.unwrap();
src.set_property("context-wait", &CONTEXT_WAIT).unwrap();
src.set_property("port", &((FIRST_PORT + i) as i32))
.unwrap();
let queue =
gst::ElementFactory::make("ts-queue", Some(format!("queue-{}", i).as_str())).unwrap();
queue
.set_property("context", &format!("context-{}", (i as u32) % CONTEXT_NB))
.unwrap();
queue.set_property("context-wait", &CONTEXT_WAIT).unwrap();
let sink =
gst::ElementFactory::make("appsink", Some(format!("sink-{}", i).as_str())).unwrap();
sink.set_property("sync", &false).unwrap();
sink.set_property("async", &false).unwrap();
sink.set_property("emit-signals", &true).unwrap();
pipeline.add_many(&[&src, &queue, &sink]).unwrap();
gst::Element::link_many(&[&src, &queue, &sink]).unwrap();
let appsink = sink.dynamic_cast::<gst_app::AppSink>().unwrap();
let sender_clone = sender.clone();
appsink.connect_new_sample(move |appsink| {
let _sample = appsink
.emit("pull-sample", &[])
.unwrap()
.unwrap()
.get::<gst::Sample>()
.unwrap()
.unwrap();
sender_clone.send(()).unwrap();
Ok(gst::FlowSuccess::Ok)
});
}
let pipeline_clone = pipeline.clone();
let l_clone = l.clone();
let mut test_scenario = Some(move || {
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 destinations = (FIRST_PORT..(FIRST_PORT + SRC_NB))
.map(|port| SocketAddr::new(ipaddr, port))
.collect::<Vec<_>>();
for _ in 0..BUFFER_NB {
for dest in &destinations {
gst_debug!(CAT, "multiple_contexts_queue: sending buffer to {:?}", dest);
socket.send_to(&buffer, dest).unwrap();
std::thread::sleep(std::time::Duration::from_millis(CONTEXT_WAIT as u64));
}
}
gst_debug!(
CAT,
"multiple_contexts_queue: waiting for all buffers notifications"
);
for _ in 0..(BUFFER_NB * (SRC_NB as u32)) {
receiver.recv().unwrap();
}
pipeline_clone.set_state(gst::State::Null).unwrap();
l_clone.quit();
});
let bus = pipeline.get_bus().unwrap();
let l_clone = l.clone();
bus.add_watch(move |_, msg| {
use gst::MessageView;
match msg.view() {
MessageView::StateChanged(state_changed) => {
if let Some(source) = state_changed.get_src() {
if source.get_type() == gst::Pipeline::static_type()
&& state_changed.get_old() == gst::State::Paused
&& state_changed.get_current() == gst::State::Playing
{
if let Some(test_scenario) = test_scenario.take() {
std::thread::spawn(test_scenario);
}
}
}
}
MessageView::Error(err) => {
gst_error!(
CAT,
"multiple_contexts_queue: Error from {:?}: {} ({:?})",
err.get_src().map(|s| s.get_path_string()),
err.get_error(),
err.get_debug()
);
l_clone.quit();
}
_ => (),
};
glib::Continue(true)
})
.unwrap();
pipeline.set_state(gst::State::Playing).unwrap();
gst_debug!(CAT, "Starting main loop for multiple_contexts_queue...");
l.run();
gst_debug!(CAT, "Stopping main loop for multiple_contexts_queue...");
}
#[test]
fn multiple_contexts_proxy() {
use std::net;
use std::net::{IpAddr, Ipv4Addr, SocketAddr};
init();
const CONTEXT_NB: u32 = 2;
const SRC_NB: u16 = 4;
const CONTEXT_WAIT: u32 = 1;
const BUFFER_NB: u32 = 3;
// Don't overlap with `multiple_contexts_queue`
const OFFSET: u16 = 10;
const FIRST_PORT: u16 = 40000 + OFFSET;
let l = glib::MainLoop::new(None, false);
let pipeline = gst::Pipeline::new(None);
let (sender, receiver) = mpsc::channel();
for i in 0..SRC_NB {
let pipeline_index = i + OFFSET;
let src = gst::ElementFactory::make(
"ts-udpsrc",
Some(format!("src-{}", pipeline_index).as_str()),
)
.unwrap();
src.set_property("context", &format!("context-{}", (i as u32) % CONTEXT_NB))
.unwrap();
src.set_property("context-wait", &CONTEXT_WAIT).unwrap();
src.set_property("port", &((FIRST_PORT + i) as i32))
.unwrap();
let proxysink = gst::ElementFactory::make(
"ts-proxysink",
Some(format!("proxysink-{}", pipeline_index).as_str()),
)
.unwrap();
proxysink
.set_property("proxy-context", &format!("proxy-{}", pipeline_index))
.unwrap();
let proxysrc = gst::ElementFactory::make(
"ts-proxysrc",
Some(format!("proxysrc-{}", pipeline_index).as_str()),
)
.unwrap();
proxysrc
.set_property(
"context",
&format!("context-{}", (pipeline_index as u32) % CONTEXT_NB),
)
.unwrap();
proxysrc
.set_property("proxy-context", &format!("proxy-{}", pipeline_index))
.unwrap();
let sink =
gst::ElementFactory::make("appsink", Some(format!("sink-{}", pipeline_index).as_str()))
.unwrap();
sink.set_property("sync", &false).unwrap();
sink.set_property("async", &false).unwrap();
sink.set_property("emit-signals", &true).unwrap();
pipeline
.add_many(&[&src, &proxysink, &proxysrc, &sink])
.unwrap();
src.link(&proxysink).unwrap();
proxysrc.link(&sink).unwrap();
let appsink = sink.dynamic_cast::<gst_app::AppSink>().unwrap();
let sender_clone = sender.clone();
appsink.connect_new_sample(move |appsink| {
let _sample = appsink
.emit("pull-sample", &[])
.unwrap()
.unwrap()
.get::<gst::Sample>()
.unwrap()
.unwrap();
sender_clone.send(()).unwrap();
Ok(gst::FlowSuccess::Ok)
});
}
let pipeline_clone = pipeline.clone();
let l_clone = l.clone();
let mut test_scenario = Some(move || {
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 destinations = (FIRST_PORT..(FIRST_PORT + SRC_NB))
.map(|port| SocketAddr::new(ipaddr, port))
.collect::<Vec<_>>();
for _ in 0..BUFFER_NB {
for dest in &destinations {
gst_debug!(CAT, "multiple_contexts_proxy: sending buffer to {:?}", dest);
socket.send_to(&buffer, dest).unwrap();
std::thread::sleep(std::time::Duration::from_millis(CONTEXT_WAIT as u64));
}
}
gst_debug!(
CAT,
"multiple_contexts_proxy: waiting for all buffers notifications"
);
for _ in 0..(BUFFER_NB * (SRC_NB as u32)) {
receiver.recv().unwrap();
}
pipeline_clone.set_state(gst::State::Null).unwrap();
l_clone.quit();
});
let bus = pipeline.get_bus().unwrap();
let l_clone = l.clone();
bus.add_watch(move |_, msg| {
use gst::MessageView;
match msg.view() {
MessageView::StateChanged(state_changed) => {
if let Some(source) = state_changed.get_src() {
if source.get_type() == gst::Pipeline::static_type()
&& state_changed.get_old() == gst::State::Paused
&& state_changed.get_current() == gst::State::Playing
{
if let Some(test_scenario) = test_scenario.take() {
std::thread::spawn(test_scenario);
}
}
}
}
MessageView::Error(err) => {
gst_error!(
CAT,
"multiple_contexts_proxy: Error from {:?}: {} ({:?})",
err.get_src().map(|s| s.get_path_string()),
err.get_error(),
err.get_debug()
);
l_clone.quit();
}
_ => (),
};
glib::Continue(true)
})
.unwrap();
pipeline.set_state(gst::State::Playing).unwrap();
gst_debug!(CAT, "Starting main loop for multiple_contexts_proxy...");
l.run();
gst_debug!(CAT, "Stopping main loop for multiple_contexts_proxy...");
}
#[test]
fn eos() {
const CONTEXT: &str = "test_eos";
init();
let l = glib::MainLoop::new(None, false);
let pipeline = gst::Pipeline::new(None);
let caps = gst::Caps::new_simple("foo/bar", &[]);
let src = gst::ElementFactory::make("ts-appsrc", Some("src-eos")).unwrap();
src.set_property("caps", &caps).unwrap();
src.set_property("do-timestamp", &true).unwrap();
src.set_property("context", &CONTEXT).unwrap();
let queue = gst::ElementFactory::make("ts-queue", Some("queue-eos")).unwrap();
queue.set_property("context", &CONTEXT).unwrap();
let appsink = gst::ElementFactory::make("appsink", Some("sink-eos")).unwrap();
pipeline.add_many(&[&src, &queue, &appsink]).unwrap();
gst::Element::link_many(&[&src, &queue, &appsink]).unwrap();
appsink.set_property("sync", &false).unwrap();
appsink.set_property("async", &false).unwrap();
appsink.set_property("emit-signals", &true).unwrap();
let (sample_notifier, sample_notif_rcv) = mpsc::channel();
let (eos_notifier, eos_notif_rcv) = mpsc::channel();
let appsink = appsink.dynamic_cast::<gst_app::AppSink>().unwrap();
appsink.connect_new_sample(move |appsink| {
gst_debug!(CAT, obj: appsink, "eos: pulling sample");
let _ = appsink
.emit("pull-sample", &[])
.unwrap()
.unwrap()
.get::<gst::Sample>()
.unwrap()
.unwrap();
sample_notifier.send(()).unwrap();
Ok(gst::FlowSuccess::Ok)
});
appsink.connect_eos(move |_appsink| eos_notifier.send(()).unwrap());
fn push_buffer(src: &gst::Element) -> bool {
gst_debug!(CAT, obj: src, "eos: pushing buffer");
src.emit("push-buffer", &[&gst::Buffer::from_slice(vec![0; 1024])])
.unwrap()
.unwrap()
.get_some::<bool>()
.unwrap()
}
let pipeline_clone = pipeline.clone();
let l_clone = l.clone();
let mut scenario = Some(move || {
// Initialize the dataflow
assert!(push_buffer(&src));
sample_notif_rcv.recv().unwrap();
assert!(src
.emit("end-of-stream", &[])
.unwrap()
.unwrap()
.get_some::<bool>()
.unwrap());
eos_notif_rcv.recv().unwrap();
// FIXME not ideal, but better than previous approach.
// I think the "end-of-stream" signal should block
// until the **src** element has actually reached EOS
loop {
std::thread::sleep(std::time::Duration::from_millis(10));
if !push_buffer(&src) {
break;
}
}
pipeline_clone.set_state(gst::State::Null).unwrap();
l_clone.quit();
});
let l_clone = l.clone();
pipeline
.get_bus()
.unwrap()
.add_watch(move |_, msg| {
use gst::MessageView;
match msg.view() {
MessageView::StateChanged(state_changed) => {
if let Some(source) = state_changed.get_src() {
if source.get_type() != gst::Pipeline::static_type() {
return glib::Continue(true);
}
if state_changed.get_old() == gst::State::Paused
&& state_changed.get_current() == gst::State::Playing
{
if let Some(scenario) = scenario.take() {
std::thread::spawn(scenario);
}
}
}
}
MessageView::Error(err) => {
gst_error!(
CAT,
"eos: Error from {:?}: {} ({:?})",
err.get_src().map(|s| s.get_path_string()),
err.get_error(),
err.get_debug()
);
l_clone.quit();
}
_ => (),
};
glib::Continue(true)
})
.unwrap();
pipeline.set_state(gst::State::Playing).unwrap();
gst_debug!(CAT, "Starting main loop for eos...");
l.run();
gst_debug!(CAT, "Stopping main loop for eos...");
}
#[test]
fn premature_shutdown() {
init();
const APPSRC_CONTEXT_WAIT: u32 = 0;
const QUEUE_CONTEXT_WAIT: u32 = 1;
const QUEUE_ITEMS_CAPACITY: u32 = 1;
let l = glib::MainLoop::new(None, false);
let pipeline = gst::Pipeline::new(None);
let caps = gst::Caps::new_simple("foo/bar", &[]);
let src = gst::ElementFactory::make("ts-appsrc", Some("src-ps")).unwrap();
src.set_property("caps", &caps).unwrap();
src.set_property("do-timestamp", &true).unwrap();
src.set_property("context", &"appsrc-context").unwrap();
src.set_property("context-wait", &APPSRC_CONTEXT_WAIT)
.unwrap();
let queue = gst::ElementFactory::make("ts-queue", Some("queue-ps")).unwrap();
queue.set_property("context", &"queue-context").unwrap();
queue
.set_property("context-wait", &QUEUE_CONTEXT_WAIT)
.unwrap();
queue
.set_property("max-size-buffers", &QUEUE_ITEMS_CAPACITY)
.unwrap();
let appsink = gst::ElementFactory::make("appsink", Some("sink-ps")).unwrap();
pipeline.add_many(&[&src, &queue, &appsink]).unwrap();
gst::Element::link_many(&[&src, &queue, &appsink]).unwrap();
appsink.set_property("emit-signals", &true).unwrap();
appsink.set_property("sync", &false).unwrap();
appsink.set_property("async", &false).unwrap();
let (appsink_sender, appsink_receiver) = mpsc::channel();
let appsink = appsink.dynamic_cast::<gst_app::AppSink>().unwrap();
appsink.connect_new_sample(move |appsink| {
gst_debug!(CAT, obj: appsink, "premature_shutdown: pulling sample");
let _sample = appsink
.emit("pull-sample", &[])
.unwrap()
.unwrap()
.get::<gst::Sample>()
.unwrap()
.unwrap();
appsink_sender.send(()).unwrap();
Ok(gst::FlowSuccess::Ok)
});
fn push_buffer(src: &gst::Element, intent: &str) -> bool {
gst_debug!(
CAT,
obj: src,
"premature_shutdown: pushing buffer {}",
intent
);
src.emit("push-buffer", &[&gst::Buffer::from_slice(vec![0; 1024])])
.unwrap()
.unwrap()
.get_some::<bool>()
.unwrap()
}
let pipeline_clone = pipeline.clone();
let l_clone = l.clone();
let mut scenario = Some(move || {
gst_debug!(CAT, "premature_shutdown: STEP 1: Playing");
// Initialize the dataflow
assert!(push_buffer(&src, "(initial)"));
// Wait for the buffer to reach AppSink
appsink_receiver.recv().unwrap();
assert_eq!(
appsink_receiver.try_recv().unwrap_err(),
mpsc::TryRecvError::Empty
);
assert!(push_buffer(&src, "before Playing -> Paused"));
gst_debug!(CAT, "premature_shutdown: STEP 2: Playing -> Paused");
pipeline_clone.set_state(gst::State::Paused).unwrap();
gst_debug!(CAT, "premature_shutdown: STEP 3: Paused -> Playing");
pipeline_clone.set_state(gst::State::Playing).unwrap();
gst_debug!(CAT, "premature_shutdown: Playing again");
gst_debug!(CAT, "Waiting for buffer sent before Playing -> Paused");
appsink_receiver.recv().unwrap();
assert!(push_buffer(&src, "after Paused -> Playing"));
gst_debug!(CAT, "Waiting for buffer sent after Paused -> Playing");
appsink_receiver.recv().unwrap();
// Fill up the (dataqueue) and abruptly shutdown
assert!(push_buffer(&src, "filling 1"));
assert!(push_buffer(&src, "filling 2"));
gst_debug!(CAT, "premature_shutdown: STEP 4: Playing -> Null");
pipeline_clone.set_state(gst::State::Null).unwrap();
assert!(!push_buffer(&src, "after Null"));
l_clone.quit();
});
let l_clone = l.clone();
pipeline
.get_bus()
.unwrap()
.add_watch(move |_, msg| {
use gst::MessageView;
match msg.view() {
MessageView::StateChanged(state_changed) => {
if let Some(source) = state_changed.get_src() {
if source.get_type() != gst::Pipeline::static_type() {
return glib::Continue(true);
}
if state_changed.get_old() == gst::State::Paused
&& state_changed.get_current() == gst::State::Playing
{
if let Some(scenario) = scenario.take() {
std::thread::spawn(scenario);
}
}
}
}
MessageView::Error(err) => {
gst_error!(
CAT,
"premature_shutdown: Error from {:?}: {} ({:?})",
err.get_src().map(|s| s.get_path_string()),
err.get_error(),
err.get_debug()
);
l_clone.quit();
}
_ => (),
};
glib::Continue(true)
})
.unwrap();
pipeline.set_state(gst::State::Playing).unwrap();
gst_debug!(CAT, "Starting main loop for premature_shutdown...");
l.run();
gst_debug!(CAT, "Stopped main loop for premature_shutdown...");
}