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index.html
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<html lang="en">
<head>
<title>Demo</title>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=yes, viewport-fit=cover">
<link href="demo/style.css" rel="stylesheet" />
</head>
<body>
<a href="./demo/p2p-fixed.html">P2P Fixed Demo</a>
<a href="./demo/p2p-screen.html">P2P Screen Demo</a>
<a href="./demo/p2p-dynamic.html">P2P Dynamic Demo</a>
<a href="./demo/files.html">Files Demo</a>
<h1>video-stream-merger demo</h1>
<p>Merge and manipulate live video.</p>
<p>No visible canvas or CSS tricks, only one video element per example.</p>
<h3>Composite videos</h3>
<video id="composite" muted controls autoplay playsinline="playsinline" webkit-playsinline></video>
<h3>Resize/Stretch</h3>
<video id="resizing" muted controls autoplay playsinline="playsinline" webkit-playsinline ></video>
<h3>Crop/Zoom</h3>
<video id="cropping" muted controls autoplay playsinline="playsinline" webkit-playsinline></video>
<h3>Custom effects</h3>
<p>Unmute this video to hear a sine wave merged with the input sound.</p>
<video id="custom" muted controls autoplay playsinline="playsinline" webkit-playsinline></video>
<br><br>
<script src="dist/video-stream-merger.js"></script>
<script src="https://webrtc.github.io/adapter/adapter-latest.js"></script>
<script>
var players = document.querySelectorAll('video')
navigator.mediaDevices.getUserMedia({ audio: true, video: true }).then(function (mediaStream) {
// Composite videos
var composite = new VideoStreamMerger()
composite.addStream(mediaStream, {
index: 0
})
composite.addStream(mediaStream, {
width: 50,
height: 50,
index: 1
})
composite.addStream(mediaStream, {
x: composite.width - 50,
y: composite.height - 50,
width: 50,
height: 50,
index: 1
})
composite.start()
players[0].srcObject = composite.result
// Resizing videos
var resizing = new VideoStreamMerger({
height: 200,
width: 1000
})
resizing.addStream(mediaStream)
resizing.start()
players[1].srcObject = resizing.result
// Cropping videos
var cropping = new VideoStreamMerger()
cropping.addStream(mediaStream, {
x: -300,
y: -300,
width: cropping.width + 300,
height: cropping.height + 300
})
cropping.start()
players[2].srcObject = cropping.result
var audioContext = new AudioContext()
var custom = new VideoStreamMerger({
audioContext: audioContext
})
//generate a audio sine wave
var sineNode = audioContext.createOscillator()
sineNode.frequency.value = 440
sineNode.start()
custom.addStream(mediaStream, {
draw: function (ctx, frame, done) {
ctx.clearRect(0, 0, custom.width, custom.height)
ctx.translate(custom.width / 2, custom.height / 2)
ctx.rotate(0.1) // spin the video
ctx.drawImage(frame, -custom.width / 2, -custom.height / 2, custom.width, custom.height)
ctx.translate(-custom.width / 2, -custom.height / 2)
ctx.filter = 'blur(5px) grayscale(100%)' // make the video blurry and grayscale
done()
},
audioEffect: function (sourceNode, destinationNode) {
// merge the input audio and the sine wave
sourceNode.connect(destinationNode)
sineNode.connect(destinationNode)
}
})
custom.start()
players[3].srcObject = custom.result
})
</script>
<!-- just a Github octocat, ignore! -->
<a href="https://github.com/RationalCoding/video-stream-merger" class="github-corner"
aria-label="View source on Github"><svg width="80" height="80" viewBox="0 0 250 250"
style="fill:#151513; color:#fff; position: fixed; top: 0; border: 0; right: 0;" aria-hidden="true">
<path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
<path
d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2"
fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path>
<path
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fill="currentColor" class="octo-body"></path>
</svg></a>
</body>
</html>