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Demo for Issue With Canvas and Archive #368

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Demo for Issue With Canvas and Archive #368

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4 changes: 4 additions & 0 deletions Archiving/css/app.css
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Original file line number Diff line number Diff line change
Expand Up @@ -39,4 +39,8 @@ body, html {
#archiveLink > a {
padding: 5px;
background-color: white;
}

video {
background: black;
}
2 changes: 1 addition & 1 deletion Archiving/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
<head>
<title> OpenTok Archiving Sample </title>
<link href="css/app.css" rel="stylesheet" type="text/css">
<script src="https://static.opentok.com/v2/js/opentok.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@opentok/client@2.24.7/dist/js/opentok.min.js"></script>
</head>

<body>
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74 changes: 60 additions & 14 deletions Archiving/js/app.js
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Expand Up @@ -50,22 +50,67 @@ function initializeSession() {
console.log('You were disconnected from the session.', event.reason);
});

// initialize the publisher
const publisherOptions = {
insertMode: 'append',
width: '100%',
height: '100%'
const randomColour = () => {
return Math.round(Math.random() * 255);
};
const publisher = OT.initPublisher('publisher', publisherOptions, handleError);

// Connect to the session
session.connect(token, (error) => {
if (error) {
handleError(error);
} else {
// If the connection is successful, publish the publisher to the session
session.publish(publisher, handleError);
}
// Canvas
navigator.mediaDevices.getUserMedia({
audio: true,
video: { height: 480, width: 640}
}).then((stream) => {
const canvas = document.createElement('canvas');
canvas.width = 640;
canvas.height = 480;
const ctx = canvas.getContext('2d');

const video = document.createElement('video');
video.height = 480;
video.width = 640;
video.autoplay = true;
video.setAttribute('playsinline', 'true');
video.srcObject = stream;
document.querySelector('#videos').appendChild(video);

// Draw a random colour in the Canvas every 3 seconds
const interval = setInterval(() => {
ctx.clearRect(0, 0, canvas.width, canvas.height);
ctx.fillStyle = `rgb(${randomColour()}, ${randomColour()}, ${randomColour()})`;
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.drawImage(video, 0, 0, video.width, video.height, 0, 0, canvas.width, canvas.height)
}, 33);

// initialize the publisher
const publisherOptions = {
insertMode: 'append',
width: '100%',
height: '100%',
scalableVideo: false,
videoSource: canvas.captureStream(30).getVideoTracks()[0], // Use canvas.captureStream at 3 fps and pass the video track to the Publisher
audioSource: stream.getAudioTracks()[0]
};

const publisher = OT.initPublisher('publisher', publisherOptions, (error) => {
if (error) {
clearInterval(interval);
handleError(error);
alert(error.message);
}
});

publisher.on('destroyed', () => {
clearInterval(interval);
});

// Connect to the session
session.connect(token, (error) => {
if (error) {
handleError(error);
} else {
// If the connection is successful, publish the publisher to the session
session.publish(publisher, handleError);
}
});
});
}

Expand Down Expand Up @@ -132,6 +177,7 @@ if (SAMPLE_SERVER_BASE_URL) {
apiKey = json.apiKey;
sessionId = json.sessionId;
token = json.token;
console.log(json);
// Initialize an OpenTok Session object
initializeSession();
}).catch((error) => {
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