// Copyright (C) 2018 Sebastian Dröge // // 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::>(); 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::>(); 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", Some(format!("audiotestsrc-{}", i).as_str())) .unwrap(); src.set_property("is-live", true); let enc = gst::ElementFactory::make("alawenc", Some(format!("alawenc-{}", i).as_str())).unwrap(); let pay = gst::ElementFactory::make("rtppcmapay", Some(format!("rtppcmapay-{}", i).as_str())) .unwrap(); let sink = gst::ElementFactory::make("ts-udpsink", Some(format!("udpsink-{}", i).as_str())) .unwrap(); sink.set_property("clients", format!("127.0.0.1:{}", i + 40000)); sink.set_property("context", "context-udpsink"); sink.set_property("context-wait", 20u32); 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(); }