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/*
This file is part of keks-meet (https://codeberg.org/metamuffin/keks-meet)
which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
Copyright (C) 2022 metamuffin <metamuffin@disroot.org>
*/
#![feature(box_syntax)]
use clap::Parser;
use client_native_lib::{
instance::Instance,
peer::{Peer, TransportChannel},
protocol::ProvideInfo,
webrtc::{
rtcp::payload_feedbacks::picture_loss_indication::PictureLossIndication,
rtp::{codecs::h264::H264Packet, packetizer::Depacketizer},
track::track_remote::TrackRemote,
},
Config, DynFut, EventHandler,
};
use log::{debug, error, info, warn};
use std::{
io::{stdout, Write},
sync::Arc,
time::Duration,
};
fn main() {
env_logger::builder()
.filter_module("rift", log::LevelFilter::Info)
.filter_module("client_native_lib", log::LevelFilter::Info)
.parse_env("LOG")
.init();
tokio::runtime::Builder::new_multi_thread()
.enable_all()
.build()
.unwrap()
.block_on(run())
}
#[derive(Parser, Clone)]
pub struct Args {
/// keks-meet server used for establishing p2p connection
#[clap(long, default_value = "wss://meet.metamuffin.org")]
signaling_uri: String,
/// username for the `identify` packet
#[clap(short, long, default_value = "guest")]
username: String,
/// pre-shared secret (aka. room name)
#[clap(short, long)]
secret: String,
}
async fn run() {
let args = Args::parse();
let inst = Instance::new(
Config {
secret: args.secret.clone(),
signaling_uri: args.signaling_uri.clone(),
username: args.username.clone(),
},
Arc::new(Handler {
_args: Arc::new(args.clone()),
}),
)
.await;
inst.spawn_ping().await;
inst.receive_loop().await;
tokio::signal::ctrl_c().await.unwrap();
error!("interrupt received, exiting");
}
#[derive(Clone)]
struct Handler {
_args: Arc<Args>,
}
impl EventHandler for Handler {
fn peer_join(&self, _peer: Arc<Peer>) -> client_native_lib::DynFut<()> {
Box::pin(async move {})
}
fn peer_leave(&self, _peer: Arc<Peer>) -> client_native_lib::DynFut<()> {
Box::pin(async move {})
}
fn resource_added(
&self,
peer: Arc<Peer>,
info: client_native_lib::protocol::ProvideInfo,
) -> DynFut<()> {
let id = info.id.clone();
Box::pin(async move {
if info.kind == "track" {
peer.request_resource(id).await;
}
})
}
fn resource_removed(&self, _peer: Arc<Peer>, _id: String) -> DynFut<()> {
Box::pin(async {})
}
fn resource_connected(
&self,
peer: Arc<Peer>,
_resource: &ProvideInfo,
channel: TransportChannel,
) -> client_native_lib::DynFut<()> {
// let resource = resource.clone();
// let s = self.clone();
let peer = Arc::downgrade(&peer);
Box::pin(async move {
match channel {
TransportChannel::Track(track) => {
let media_ssrc = track.ssrc();
let peer = peer.clone();
tokio::spawn(async move {
loop {
tokio::time::sleep(Duration::from_secs(3)).await;
let peer = peer.upgrade().unwrap();
let r = peer
.peer_connection
.write_rtcp(&[Box::new(PictureLossIndication {
sender_ssrc: 0,
media_ssrc,
})])
.await;
if r.is_err() {
break;
}
debug!("trigger keyframe");
}
});
export(track).await.unwrap();
}
TransportChannel::DataChannel(_) => warn!("wrong type"),
}
})
}
}
async fn export(track: Arc<TrackRemote>) -> anyhow::Result<()> {
let mut cached_packet = H264Packet::default();
info!("depacketizing rtp to stdout");
loop {
let (packet, _) = track.read_rtp().await?;
if !packet.payload.is_empty() {
let raw_payload = cached_packet.depacketize(&packet.payload)?;
stdout().write_all(&raw_payload)?;
}
}
}
|
