gst-plugins-rs/net/webrtc/examples/whipclient.rs

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use anyhow::Error;
use clap::Parser;
use gst::prelude::*;
#[derive(Parser, Debug)]
struct Args {
whip_endpoint: String,
}
fn main() -> Result<(), Error> {
gst::init()?;
let args = Args::parse();
let pipeline = gst::Pipeline::builder().build();
let videotestsrc = gst::ElementFactory::make("videotestsrc").build()?;
let audiotestsrc = gst::ElementFactory::make("audiotestsrc").build()?;
let vqueue = gst::ElementFactory::make("queue").build()?;
let aqueue = gst::ElementFactory::make("queue").build()?;
let whipclientsink = gst::ElementFactory::make("whipclientsink").build()?;
whipclientsink
.dynamic_cast_ref::<gst::ChildProxy>()
.unwrap()
.set_child_property("signaller::whip-endpoint", args.whip_endpoint);
pipeline.add_many([&videotestsrc, &vqueue, &whipclientsink])?;
gst::Element::link_many([&videotestsrc, &vqueue, &whipclientsink])?;
pipeline.add_many([&audiotestsrc, &aqueue])?;
gst::Element::link_many([&audiotestsrc, &aqueue, &whipclientsink])?;
pipeline.set_state(gst::State::Playing)?;
let bus = pipeline.bus().expect("Pipeline should have a bus");
for msg in bus.iter_timed(gst::ClockTime::NONE) {
use gst::MessageView;
match msg.view() {
MessageView::Eos(..) => {
println!("EOS");
break;
}
MessageView::Error(err) => {
pipeline.set_state(gst::State::Null)?;
eprintln!(
"Got error from {}: {} ({})",
msg.src()
.map(|s| String::from(s.path_string()))
.unwrap_or_else(|| "None".into()),
err.error(),
err.debug().unwrap_or_else(|| "".into()),
);
break;
}
_ => (),
}
}
pipeline.set_state(gst::State::Null)?;
Ok(())
}