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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
use std::net;
use std::net::{IpAddr, Ipv4Addr, SocketAddr};
use std::{env, thread, time};
fn main() {
let args = env::args().collect::<Vec<_>>();
assert!(args.len() > 1);
let n_streams: u16 = args[1].parse().unwrap();
if args.len() > 2 && args[2] == "rtp" {
send_rtp_buffers(n_streams);
} else {
send_raw_buffers(n_streams);
}
}
fn send_raw_buffers(n_streams: u16) {
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 = (40000..(40000 + n_streams))
.map(|port| SocketAddr::new(ipaddr, port))
.collect::<Vec<_>>();
let wait = time::Duration::from_millis(20);
thread::sleep(time::Duration::from_millis(1000));
loop {
let now = time::Instant::now();
for dest in &destinations {
socket.send_to(&buffer, dest).unwrap();
}
let elapsed = now.elapsed();
if elapsed < wait {
thread::sleep(wait - elapsed);
}
}
}
fn send_rtp_buffers(n_streams: u16) {
use gst::glib;
use gst::prelude::*;
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);
}
let l = glib::MainLoop::new(None, false);
let pipeline = gst::Pipeline::new(None);
for i in 0..n_streams {
let src = gst::ElementFactory::make("audiotestsrc")
.name(format!("audiotestsrc-{}", i).as_str())
.build()
.unwrap();
src.set_property("is-live", true);
let enc = gst::ElementFactory::make("alawenc")
.name(format!("alawenc-{}", i).as_str())
.build()
.unwrap();
let pay = gst::ElementFactory::make("rtppcmapay")
.name(format!("rtppcmapay-{}", i).as_str())
.build()
.unwrap();
let sink = gst::ElementFactory::make("ts-udpsink")
.name(format!("udpsink-{}", i).as_str())
.property("clients", format!("127.0.0.1:{}", i + 40000))
.property("context", "context-udpsink")
.property("context-wait", 20u32)
.build()
.unwrap();
let elements = &[&src, &enc, &pay, &sink];
pipeline.add_many(elements).unwrap();
gst::Element::link_many(elements).unwrap();
}
pipeline.set_state(gst::State::Playing).unwrap();
l.run();
}
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