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demo.tsx
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demo.tsx
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"use client";
import { useEffect, useRef, useState } from "react";
import { Artico, ArticoOptions, Call } from "@rtco/client";
import { Button } from "~/components/ui/button";
import { Input } from "~/components/ui/input";
export function CallDemo() {
const articoRef = useRef<Artico>();
const [userId, setUserId] = useState<string>("");
const [call, setcall] = useState<Call>();
const [localCamera, setLocalCamera] = useState<MediaStream>();
const [localScreen, setLocalScreen] = useState<MediaStream>();
const [remoteCamera, setRemoteCamera] = useState<MediaStream>();
const [remoteScreen, setRemoteScreen] = useState<MediaStream>();
const setupcall = (call: Call) => {
call.on("open", () => {
console.log("call open");
setcall(call);
});
call.on("close", () => {
console.log("call close");
setcall(undefined);
setLocalCamera((current) => {
current?.getTracks().forEach((track) => track.stop());
return undefined;
});
setLocalScreen((current) => {
current?.getTracks().forEach((track) => track.stop());
return undefined;
});
setRemoteCamera((current) => {
current?.getTracks().forEach((track) => track.stop());
return undefined;
});
setRemoteScreen((current) => {
current?.getTracks().forEach((track) => track.stop());
return undefined;
});
});
call.on("error", (err) => {
console.log("call error:", err);
call.hangup();
});
call.on("data", (data) => {
console.log("call data:", data);
});
call.on("stream", (stream, metadata) => {
console.log("call stream:", { stream, metadata });
});
call.on("track", (track, stream, metadata) => {
const meta = JSON.parse(metadata!) as { type: string };
console.log("call track:", { track, stream, metadata });
if (meta.type === "camera") {
setRemoteCamera(stream);
} else if (meta.type === "screen") {
setRemoteScreen(stream);
}
});
call.on("removetrack", (track, stream, metadata) => {
console.log("call removetrack:", { track, stream, metadata });
});
call.on("removestream", (stream, metadata) => {
const meta = JSON.parse(metadata!) as { type: string };
console.log("call removestream:", { stream, metadata });
if (meta.type === "camera") {
setRemoteCamera(undefined);
// setRemoteCamera((current) => {
// // current?.getTracks().forEach((track) => track.stop())
// return undefined
// })
} else if (meta.type === "screen") {
setRemoteScreen((current) => {
current?.getTracks().forEach((track) => track.stop());
return undefined;
});
}
});
};
useEffect(() => {
const options: Partial<ArticoOptions> = {
debug: 4, // 0 (none) - 4 (all)
rtcConfig: {
iceServers: [{ urls: 'stun:stun.l.google.com:19302' }]
}
};
const artico = new Artico(options);
artico.on("open", (id) => {
console.log("artico open", id);
setUserId(id);
});
artico.on("close", () => {
console.log("artico close");
});
artico.on("error", (err) => {
console.log("artico error:", err.message);
});
artico.on("call", (call) => {
console.log("artico call:", call.session);
setupcall(call);
// answer call
call.answer();
});
articoRef.current = artico;
return () => {
artico.close();
articoRef.current = undefined;
};
}, []);
const handleCall = (peerId: string) => {
if (peerId.trim() === "") {
alert("Please enter a peer ID");
return;
}
if (!articoRef.current) {
console.log("error: artico not initialized");
return;
}
// generate random user name
const name = "user" + Math.floor(Math.random() * 1000);
console.log("Calling peer:", peerId);
const call = articoRef.current.call(
peerId,
JSON.stringify({
name,
}),
);
setupcall(call);
};
const handleHangup = () => {
call?.hangup();
setcall(undefined);
};
const handleShareCamera = () => {
if (!call) {
console.log("error: can't share camera without a call");
return;
}
navigator.mediaDevices
.getUserMedia({ audio: false, video: true })
.then((stream) => {
if (localCamera) {
call?.removeStream(localCamera);
localCamera.getTracks().forEach((track) => track.stop());
}
setLocalCamera(stream);
call?.addStream(stream, JSON.stringify({ type: "camera" }));
})
.catch((err) => {
console.log("getUserMedia error:", err);
});
};
const handleStopShareCamera = () => {
if (!localCamera) {
return;
}
call?.removeStream(localCamera);
localCamera.getTracks().forEach((track) => track.stop());
setLocalCamera(undefined);
};
const handleShareScreen = () => {
if (!call) {
console.log("error: can't share camera without a call");
return;
}
navigator.mediaDevices
.getDisplayMedia({ audio: false, video: true })
.then((stream) => {
if (localScreen) {
call?.removeStream(localScreen);
localScreen.getTracks().forEach((track) => track.stop());
}
setLocalScreen(stream);
call?.addStream(stream, JSON.stringify({ type: "screen" }));
})
.catch((err) => {
console.log("getUserMedia error:", err);
});
};
const handleStopShareScreen = () => {
if (!localScreen) {
return;
}
call?.removeStream(localScreen);
localScreen.getTracks().forEach((track) => track.stop());
setLocalScreen(undefined);
};
return (
<section className="flex flex-col items-center justify-center">
<div className="container mb-2 space-y-4">
<p>Your Peer ID is: {userId}</p>
</div>
<div className="container space-y-4">
<Input
data-1p-ignore
id="peerId"
type="text"
placeholder="Peer ID"
disabled={!!call}
/>
<div className="flex flex-row space-x-4">
<Button
onClick={() => {
if (call) {
handleHangup();
} else {
const peerId = document.getElementById(
"peerId",
) as HTMLInputElement;
handleCall(peerId.value);
}
}}
>
{call ? "Hangup" : "Call"}
</Button>
<Button
disabled={!call}
variant="secondary"
onClick={() => {
if (localCamera) {
handleStopShareCamera();
} else {
handleShareCamera();
}
}}
>
{localCamera ? "Stop" : "Start"} Camera
</Button>
<Button
disabled={!call}
variant="secondary"
onClick={() => {
if (localScreen) {
handleStopShareScreen();
} else {
handleShareScreen();
}
}}
>
{localScreen ? "Stop" : "Start"} Screen
</Button>
</div>
</div>
<div className="container my-4 grid grid-cols-2 grid-rows-2 gap-2">
<video
className="w-full border-2 border-blue-400"
style={{ transform: "rotateY(180deg)" }}
autoPlay
playsInline
muted
ref={(video) => {
if (!video) return;
video.srcObject = localCamera || null;
}}
/>
<video
className="w-full border-2 border-blue-300"
autoPlay
playsInline
ref={(video) => {
if (!video) return;
video.srcObject = localScreen || null;
}}
/>
<video
className="w-full border-2 border-red-400"
autoPlay
playsInline
muted
ref={(video) => {
if (!video) return;
video.srcObject = remoteCamera || null;
}}
/>
<video
className="w-full border-2 border-red-300"
autoPlay
playsInline
ref={(video) => {
if (!video) return;
video.srcObject = remoteScreen || null;
}}
/>
</div>
</section>
);
}