Demo code to test stream multiplexing with quinnquic
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Cargo.lock
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Cargo.lock
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16
Cargo.toml
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Cargo.toml
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[package]
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name = "gst-quinn-quic-mux"
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license = "MPL-2.0"
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version = "0.1.0"
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edition = "2021"
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[dependencies]
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gst = { package = "gstreamer", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs", features = ["v1_22"] }
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gst-video = { package = "gstreamer-video", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
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gst-audio = { package = "gstreamer-audio", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
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gst-app = { package = "gstreamer-app", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
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ctrlc = "3.4"
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tokio = { version = "1.17", features = ["full"] }
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once_cell = "1.19"
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clap = { version = "4.5", features = ["derive"] }
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303
src/main.rs
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src/main.rs
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use clap::Parser;
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use gst::glib;
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use gst::prelude::*;
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use once_cell::sync::Lazy;
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use std::str::FromStr;
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static CAT: Lazy<gst::DebugCategory> = Lazy::new(|| {
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gst::DebugCategory::new(
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"gst-quinn-quic-mux",
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gst::DebugColorFlags::empty(),
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Some("gst-quinn-quic-mux"),
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)
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});
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#[derive(Parser, Debug)]
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#[command(name = "gst-quinn-quic-mux")]
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#[command(version = "0.1")]
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#[command(about = "Code for testing multiplexing with quinnquic", long_about = None)]
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struct Cli {
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#[clap(long, short, action)]
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receiver: bool,
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}
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fn video_bin(text: String) -> gst::Bin {
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let videosrc = gst::ElementFactory::make("videotestsrc").build().unwrap();
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let overlay = gst::ElementFactory::make("clockoverlay").build().unwrap();
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let convert = gst::ElementFactory::make("videoconvert").build().unwrap();
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let x264enc = gst::ElementFactory::make("x264enc").build().unwrap();
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let capsf = gst::ElementFactory::make("capsfilter").build().unwrap();
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let parse = gst::ElementFactory::make("h264parse").build().unwrap();
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let ignore = gst::ElementFactory::make("errorignore").build().unwrap();
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let bin = gst::Bin::builder().name(text.clone()).build();
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parse.set_property("config-interval", -1);
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let caps = gst::Caps::from_str(
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"video/x-h264,width=640,height=480,format=I420,framerate=25/1,stream-format=byte-stream",
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)
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.unwrap();
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capsf.set_property("caps", caps);
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overlay.set_property("text", text);
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overlay.set_property_from_str("valignment", "top");
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overlay.set_property_from_str("halignment", "left");
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overlay.set_property_from_str("font-desc", "Sans, 72");
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ignore.set_property_from_str("convert-to", "ok");
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ignore.set_property("ignore-notlinked", true);
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bin.add_many([
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&videosrc, &overlay, &convert, &x264enc, &capsf, &parse, &ignore,
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])
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.expect("Failed to add elements");
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videosrc.link(&overlay).unwrap();
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overlay.link(&convert).unwrap();
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convert.link(&x264enc).unwrap();
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x264enc.link(&capsf).unwrap();
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capsf.link(&parse).unwrap();
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parse.link(&ignore).unwrap();
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let ignore_srcpad = ignore.static_pad("src").unwrap();
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let srcpad = gst::GhostPad::builder(gst::PadDirection::Src)
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.name("src")
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.build();
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srcpad.set_target(Some(&ignore_srcpad)).unwrap();
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bin.add_pad(&srcpad).unwrap();
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bin
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}
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fn depay_bin() -> gst::Bin {
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let queue = gst::ElementFactory::make("queue").build().unwrap();
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let capsf = gst::ElementFactory::make("capsfilter").build().unwrap();
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let parse = gst::ElementFactory::make("h264parse").build().unwrap();
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let dec = gst::ElementFactory::make("avdec_h264").build().unwrap();
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let convert = gst::ElementFactory::make("videoconvert").build().unwrap();
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let sink = gst::ElementFactory::make("autovideosink").build().unwrap();
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sink.set_property("sync", false);
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parse.set_property("config-interval", -1);
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let caps = gst::Caps::from_str(
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"video/x-h264,width=640,height=480,format=I420,framerate=25/1,stream-format=byte-stream",
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)
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.unwrap();
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capsf.set_property("caps", caps);
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let bin = gst::Bin::new();
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bin.add_many([&queue, &capsf, &parse, &dec, &convert, &sink])
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.unwrap();
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queue.link(&capsf).unwrap();
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capsf.link(&parse).unwrap();
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parse.link(&dec).unwrap();
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dec.link(&convert).unwrap();
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convert.link(&sink).unwrap();
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let queue_sinkpad = queue.static_pad("sink").unwrap();
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let sinkpad = gst::GhostPad::builder(gst::PadDirection::Sink)
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.name("sink")
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.build();
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sinkpad.set_target(Some(&queue_sinkpad)).unwrap();
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bin.add_pad(&sinkpad).unwrap();
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bin
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}
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fn receive_pipeline(pipeline: &gst::Pipeline) {
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let quicsrc = gst::ElementFactory::make("quinnquicsrc").build().unwrap();
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let demux = gst::ElementFactory::make("quinnquicdemux").build().unwrap();
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quicsrc.set_property("initial-mtu", 1200u32);
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quicsrc.set_property("min-mtu", 1200u32);
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quicsrc.set_property("upper-bound-mtu", 65527u32);
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quicsrc.set_property("max-udp-payload-size", 65527u32);
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quicsrc.set_property("use-datagram", false);
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quicsrc.set_property("secure-connection", false);
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quicsrc.set_property("server-name", "sanchayanmaity.net");
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pipeline.add_many([&quicsrc, &demux]).unwrap();
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quicsrc.link(&demux).unwrap();
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let pipeline_weak = pipeline.downgrade();
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demux.connect("pad-added", false, move |args| {
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let pipeline = match pipeline_weak.upgrade() {
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Some(self_) => self_,
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None => return None,
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};
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let pad = args[1]
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.get::<gst::Pad>()
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.expect("Second argument to demux pad-added must be pad");
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gst::info!(CAT, "QUIC demuxer pad {} added", pad.name());
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let bin = depay_bin();
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pipeline.add(&bin).unwrap();
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bin.sync_state_with_parent().unwrap();
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let sinkpad = bin.static_pad("sink").unwrap();
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pad.link(&sinkpad).unwrap();
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let weak_pipeline = pipeline.downgrade();
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// Capture pipeline graph 5 secs later to correctly capture STATE changes.
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glib::timeout_add_seconds_once(10, move || {
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let pipeline = match weak_pipeline.upgrade() {
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Some(pipeline) => pipeline,
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None => return,
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};
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pipeline.debug_to_dot_file_with_ts(gst::DebugGraphDetails::all(), "demux-pad-added");
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});
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None
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});
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}
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fn send_pipeline(pipeline: &gst::Pipeline) {
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let video1 = video_bin("Stream 1".to_string());
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let video2 = video_bin("Stream 2".to_string());
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let video3 = video_bin("Stream 3".to_string());
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let video4 = video_bin("Datagram".to_string());
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let mux = gst::ElementFactory::make("quinnquicmux")
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.name("quic-mux")
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.build()
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.unwrap();
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let sink = gst::ElementFactory::make("quinnquicsink")
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.name("quic-sink")
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.build()
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.unwrap();
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sink.set_property("initial-mtu", 1200u32);
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sink.set_property("min-mtu", 1200u32);
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sink.set_property("upper-bound-mtu", 65527u32);
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sink.set_property("max-udp-payload-size", 65527u32);
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sink.set_property("use-datagram", false);
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sink.set_property("secure-connection", false);
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sink.set_property("server-name", "sanchayanmaity.net");
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pipeline
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.add_many([&video1, &video2, &video3, &video4])
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.unwrap();
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pipeline.add_many([&mux, &sink]).unwrap();
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mux.link(&sink).unwrap();
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}
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fn main() {
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let cli = Cli::parse();
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gst::init().unwrap();
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let pipeline = gst::Pipeline::new();
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let context = glib::MainContext::default();
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let main_loop = glib::MainLoop::new(Some(&context), false);
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let _ = pipeline.set_state(gst::State::Ready);
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if !cli.receiver {
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send_pipeline(&pipeline);
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pipeline.debug_to_dot_file_with_ts(gst::DebugGraphDetails::all(), "quic-mux-send-pipeline");
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} else {
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receive_pipeline(&pipeline);
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pipeline.debug_to_dot_file_with_ts(gst::DebugGraphDetails::all(), "quic-mux-recv-pipeline");
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}
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let _ = pipeline.set_state(gst::State::Playing);
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let bus = pipeline.bus().unwrap();
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let l_clone = main_loop.clone();
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let _bus_watch = bus
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.add_watch(move |_, msg| {
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use gst::MessageView;
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match msg.view() {
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MessageView::Eos(..) => {
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println!("\nReceived End of Stream, quitting...");
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l_clone.quit();
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}
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MessageView::Error(err) => {
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gst::error!(CAT, obj: &err.src().unwrap(),
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"Error from {:?}: {} ({:?})",
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err.src().map(|s| s.path_string()),
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err.error(),
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err.debug()
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);
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l_clone.quit();
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}
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_ => (),
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};
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glib::ControlFlow::Continue
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})
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.expect("Failed to add bus watch");
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ctrlc::set_handler({
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let pipeline_weak = pipeline.downgrade();
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move || {
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let pipeline = pipeline_weak.upgrade().unwrap();
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println!("\nReceived Ctrl-c, sending EOS...");
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pipeline.send_event(gst::event::Eos::new());
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}
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})
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.unwrap();
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if !cli.receiver {
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let mux = pipeline.by_name("quic-mux").unwrap();
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let video1 = pipeline.by_name("Stream 1").unwrap();
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let video2 = pipeline.by_name("Stream 2").unwrap();
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let video3 = pipeline.by_name("Stream 3").unwrap();
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let video4 = pipeline.by_name("Datagram").unwrap();
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let video1_mux_pad = mux.request_pad_simple("stream_uni_%u").unwrap();
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let video2_mux_pad = mux.request_pad_simple("stream_uni_%u").unwrap();
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let video3_mux_pad = mux.request_pad_simple("stream_uni_%u").unwrap();
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let video4_mux_pad = mux.request_pad_simple("datagram").unwrap();
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let video1_pad = video1.static_pad("src").unwrap();
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let video2_pad = video2.static_pad("src").unwrap();
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let video3_pad = video3.static_pad("src").unwrap();
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let video4_pad = video4.static_pad("src").unwrap();
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video1_pad.link(&video1_mux_pad).unwrap();
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video2_pad.link(&video2_mux_pad).unwrap();
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video3_pad.link(&video3_mux_pad).unwrap();
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video4_pad.link(&video4_mux_pad).unwrap();
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mux.sync_state_with_parent().unwrap();
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video1.sync_state_with_parent().unwrap();
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video2.sync_state_with_parent().unwrap();
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video3.sync_state_with_parent().unwrap();
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pipeline.debug_to_dot_file_with_ts(gst::DebugGraphDetails::all(), "setup-quic-mux");
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}
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let weak_pipeline = pipeline.downgrade();
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// Capture pipeline graph 5 secs later to correctly capture STATE changes.
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glib::timeout_add_seconds_once(10, move || {
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let pipeline = match weak_pipeline.upgrade() {
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Some(pipeline) => pipeline,
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None => return,
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};
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let name = if !cli.receiver {
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"gst-quinnquicmux-pipeline"
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} else {
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"gst-quinnquicdemux-pipeline"
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};
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pipeline.debug_to_dot_file_with_ts(gst::DebugGraphDetails::all(), name);
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});
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let _ = pipeline.set_state(gst::State::Playing);
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main_loop.run();
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pipeline.set_state(gst::State::Null).unwrap();
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}
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