gst-plugins-rs/generic/threadshare/examples/benchmark.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.
//
// SPDX-License-Identifier: LGPL-2.1-or-later
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use gst::glib;
use gst::prelude::*;
use std::env;
use std::sync::atomic::{AtomicU64, Ordering};
use std::sync::Arc;
use std::thread;
use std::time::{Duration, Instant};
const THROUGHPUT_PERIOD: Duration = Duration::from_secs(20);
fn main() {
gst::init().unwrap();
#[cfg(debug_assertions)]
{
use std::path::Path;
let mut path = Path::new("target/debug");
if !path.exists() {
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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() {
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path = Path::new("../../target/release");
}
gst::Registry::get().scan_path(path);
}
let args = env::args().collect::<Vec<_>>();
assert_eq!(args.len(), 6);
let n_streams: u16 = args[1].parse().unwrap();
let source = &args[2];
let n_groups: u32 = args[3].parse().unwrap();
let wait: u32 = args[4].parse().unwrap();
let l = glib::MainLoop::new(None, false);
let pipeline = gst::Pipeline::new(None);
let counter = Arc::new(AtomicU64::new(0));
for i in 0..n_streams {
let sink =
gst::ElementFactory::make("fakesink", Some(format!("sink-{}", i).as_str())).unwrap();
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sink.set_property("sync", false);
sink.set_property("async", false);
let counter_clone = Arc::clone(&counter);
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sink.static_pad("sink").unwrap().add_probe(
gst::PadProbeType::BUFFER,
move |_pad, _probe_info| {
let _ = counter_clone.fetch_add(1, Ordering::SeqCst);
gst::PadProbeReturn::Ok
},
);
let source = match source.as_str() {
"udpsrc" => {
let source =
gst::ElementFactory::make("udpsrc", Some(format!("source-{}", i).as_str()))
.unwrap();
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source.set_property("port", 40000i32 + i as i32);
source.set_property("retrieve-sender-address", false);
source
}
"ts-udpsrc" => {
let source =
gst::ElementFactory::make("ts-udpsrc", Some(format!("source-{}", i).as_str()))
.unwrap();
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source.set_property("port", 40000i32 + i as i32);
source.set_property("context", format!("context-{}", (i as u32) % n_groups));
source.set_property("context-wait", wait);
source
}
"tcpclientsrc" => {
let source = gst::ElementFactory::make(
"tcpclientsrc",
Some(format!("source-{}", i).as_str()),
)
.unwrap();
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source.set_property("host", "127.0.0.1");
source.set_property("port", 40000i32);
source
}
"ts-tcpclientsrc" => {
let source = gst::ElementFactory::make(
"ts-tcpclientsrc",
Some(format!("source-{}", i).as_str()),
)
.unwrap();
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source.set_property("host", "127.0.0.1");
source.set_property("port", 40000i32);
source.set_property("context", format!("context-{}", (i as u32) % n_groups));
source.set_property("context-wait", wait);
source
}
"tonegeneratesrc" => {
let source = gst::ElementFactory::make(
"tonegeneratesrc",
Some(format!("source-{}", i).as_str()),
)
.unwrap();
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source.set_property("samplesperbuffer", (wait as i32) * 8000 / 1000);
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sink.set_property("sync", true);
source
}
"ts-tonesrc" => {
let source =
gst::ElementFactory::make("ts-tonesrc", Some(format!("source-{}", i).as_str()))
.unwrap();
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source.set_property("samples-per-buffer", (wait as u32) * 8000 / 1000);
source.set_property("context", format!("context-{}", (i as u32) % n_groups));
source.set_property("context-wait", wait);
source
}
_ => unimplemented!(),
};
pipeline.add_many(&[&source, &sink]).unwrap();
source.link(&sink).unwrap();
}
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let bus = pipeline.bus().unwrap();
let l_clone = l.clone();
bus.add_watch(move |_, msg| {
use gst::MessageView;
match msg.view() {
MessageView::Eos(..) => l_clone.quit(),
MessageView::Error(err) => {
println!(
"Error from {:?}: {} ({:?})",
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err.src().map(|s| s.path_string()),
err.error(),
err.debug()
);
l_clone.quit();
}
_ => (),
};
glib::Continue(true)
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})
.expect("Failed to add bus watch");
pipeline.set_state(gst::State::Playing).unwrap();
println!("started");
thread::spawn(move || {
let throughput_factor = 1_000f32 / (n_streams as f32);
let mut prev_reset_instant: Option<Instant> = None;
let mut count;
let mut reset_instant;
loop {
count = counter.fetch_and(0, Ordering::SeqCst);
reset_instant = Instant::now();
if let Some(prev_reset_instant) = prev_reset_instant {
println!(
"{:>6.2} / s / stream",
(count as f32) * throughput_factor
/ ((reset_instant - prev_reset_instant).as_millis() as f32)
);
}
if let Some(sleep_duration) = THROUGHPUT_PERIOD.checked_sub(reset_instant.elapsed()) {
thread::sleep(sleep_duration);
}
prev_reset_instant = Some(reset_instant);
}
});
l.run();
}