mirror of https://github.com/nealey/convulse.git
Make it more like an app
This commit is contained in:
Neale Pickett
parent
69bf1c0de6
commit
ab799618f1
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@ -0,0 +1,48 @@
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body {
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background-color: #000;
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color: #fff;
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margin: 0;
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font-family: sans-serif;
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}
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video {
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height: 100vh;
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width: 100vw;
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}
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canvas {
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width: 100vw;
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filter: grayscale(100%);
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}
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canvas.recording {
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filter: initial;
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}
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.hidden {
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display: none;
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}
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#download {
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display: none;
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}
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#toasts {
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position: fixed;
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z-index: 2;
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top: 0;
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background-color: blue;
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width: 100%;
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opacity: 0.3;
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text-align: center;
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}
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#controls {
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position: fixed;
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z-index: 2;
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width: 100%;
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background-color: ;
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opacity: 0.8;
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bottom: 0;
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}
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video {
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display: none;
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}
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dt {
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font-weight: bold;
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}
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160
convulse.html
160
convulse.html
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@ -2,130 +2,48 @@
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<html>
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<head>
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<title>Convulse</title>
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<style>
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body {
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background-color: #000;
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color: #fff;
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margin: 0;
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font-family: sans-serif;
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}
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video {
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height: 100vh;
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width: 100vw;
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}
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#download {
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display: none;
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}
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#toasts {
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position: fixed;
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z-index: 2;
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top: 0;
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background-color: blue;
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width: 100%;
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opacity: 0.3;
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text-align: center;
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}
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video {
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filter: grayscale(100%);
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}
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video.recording {
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filter: initial;
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}
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</style>
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<script>
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function toast(text, timeout=8000) {
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let toasts = document.querySelector("#toasts")
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if (! text) {
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while (toasts.firstChild) {
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toasts.firstChild.remove()
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}
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} else {
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let p = document.querySelector("#toasts").appendChild(document.createElement("p"))
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p.textContent = text
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if (timeout) {
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setTimeout(() => p.remove(), timeout)
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}
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}
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}
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class Convulse {
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constructor() {
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this.video = document.querySelector("video")
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this.dllink = document.querySelector("#download")
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this.init()
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this.chunks = []
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}
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download(event) {
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let recording = window.URL.createObjectURL(new Blob(this.chunks, {type: this.recorder.mimeType}))
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let now = new Date().toISOString()
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this.dllink.addEventListener('progress', event => console.log(event))
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this.dllink.href = recording
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this.dllink.download = "convulse-" + now + ".webm"
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this.dllink.click()
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}
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start() {
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toast(null)
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this.chunks = []
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this.recorder.start(10)
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this.video.classList.add("recording")
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}
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stop() {
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toast("stopped and downloaded")
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this.recorder.stop()
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this.video.classList.remove("recording")
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}
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toggle() {
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if (this.recorder.state == "recording") {
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this.stop()
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this.download()
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} else {
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this.start()
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}
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}
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async init() {
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document.querySelector("h1").remove()
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this.webcam = await navigator.mediaDevices.getUserMedia({video: true})
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this.video.srcObject = this.webcam
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this.video.play()
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this.video.addEventListener("click", event => this.toggle())
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this.desktop = await navigator.mediaDevices.getDisplayMedia({video: {cursor: "always"}})
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this.recorder = new MediaRecorder(this.desktop, {mimeType: "video/webm"})
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this.recorder.addEventListener("dataavailable", event => {
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if (event.data && event.data.size > 0) {
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this.chunks.push(event.data)
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}
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})
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toast("Click anywhere to start and stop recording")
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}
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}
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function init() {
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window.app = new Convulse()
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}
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if (document.readyState === "loading") {
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document.addEventListener("DOMContentLoaded", init)
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} else {
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init()
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}
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</script>
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<link rel="stylesheet" href="convulse.css">
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<script src="convulse.js"></script>
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</head>
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<body>
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<div id="hello">
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<h1>Convulse: it's sorta like Twitch!</h1>
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<video>
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It's too bad about your browser.
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</video>
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<p>
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I need the following permissions:
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</p>
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<dl>
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<dt>Use your microphone</dt>
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<dd>So I can record your velvety-smooth voice</dd>
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<dt>Use your camera</dt>
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<dd>So I can record your velvety-smooth face</dd>
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<dt>Share your screen</dt>
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<dd>So I can record your velvety-smooth computer</dd>
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</dl>
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</div>
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<canvas></canvas>
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<div id="videos" class="hidden">
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<video id="webcam"></video>
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<video id="desktop"></video>
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</div>
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<div id="controls">
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<p>
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UR FACE
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<input id="webcam-size" type="range" min="0.05" max="1.0" step="0.05" value="0.2">
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<button id="webcam-pos">Move</button>
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</p>
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<p>
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Capture Area
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<input id="capture-size" type="range" min="0.04" max="1.0" step="0.05" value="0.2">
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<button id="range-pos">Move</button>
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</p>
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</div>
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<div id="toasts"></div>
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<a id="download"></a>
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</body>
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</html>
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@ -0,0 +1,139 @@
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// jshint asi:true
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function toast(text, timeout=8000) {
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let toasts = document.querySelector("#toasts")
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if (! text) {
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while (toasts.firstChild) {
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toasts.firstChild.remove()
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}
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} else {
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let p = document.querySelector("#toasts").appendChild(document.createElement("p"))
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p.textContent = text
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if (timeout) {
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setTimeout(() => p.remove(), timeout)
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}
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}
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}
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class Convulse {
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constructor() {
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this.canvas = document.querySelector("canvas")
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this.ctx = this.canvas.getContext("2d")
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this.dllink = document.querySelector("#download")
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this.webcamVideo = document.querySelector("#webcam")
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this.desktopVideo = document.querySelector("#desktop")
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document.addEventListener("click", event => this.toggle())
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this.chunks = []
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document.addEventListener("mouseenter", e => this.showControls(true))
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document.addEventListener("mouseleave", e => this.showControls(false))
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this.init()
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}
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showControls(show) {
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let controls = document.querySelector("#controls")
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if (show) {
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controls.classList.remove("hidden")
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} else {
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controls.classList.add("hidden")
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}
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}
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download(event) {
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let recording = window.URL.createObjectURL(new Blob(this.chunks, {type: this.recorder.mimeType}))
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let now = new Date().toISOString()
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this.dllink.addEventListener('progress', event => console.log(event))
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this.dllink.href = recording
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this.dllink.download = "convulse-" + now + ".webm"
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this.dllink.click()
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}
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start() {
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toast(null)
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this.chunks = []
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this.recorder.start(10)
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this.canvas.classList.add("recording")
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}
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stop() {
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toast("stopped and downloaded")
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this.recorder.stop()
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this.canvas.classList.remove("recording")
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}
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toggle() {
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if (this.recorder.state == "recording") {
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this.stop()
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this.download()
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} else {
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this.start()
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}
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}
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frame(timestamp) {
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if (this.webcamVideo.videoWidth > 0) {
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let webcamAR = this.webcamVideo.videoWidth / this.webcamVideo.videoHeight
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let desktopAR = this.desktopVideo.videoWidth / this.desktopVideo.videoHeight
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this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height)
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this.ctx.drawImage(this.desktopVideo, 0, 0, this.canvas.height * desktopAR, this.canvas.height)
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this.ctx.drawImage(this.webcamVideo, 0, 0, webcamAR * 400, 400)
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if (timestamp % 2000 < 1000) {
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this.ctx.beginPath()
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this.ctx.strokeStyle = "red"
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this.ctx.lineWidth = "6"
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this.ctx.rect(20, 20, 150, 100)
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this.ctx.stroke()
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}
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}
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requestAnimationFrame(ts => this.frame(ts))
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}
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async init() {
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this.canvas.width = 1920
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this.canvas.height = 1080
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this.webcamVideo.srcObject = await navigator.mediaDevices.getUserMedia({video: true, audio: true})
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this.webcamVideo.play()
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this.desktopVideo.srcObject = await navigator.mediaDevices.getDisplayMedia({video: {cursor: "always"}})
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this.desktopVideo.play()
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document.querySelector("#hello").classList.add("hidden")
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this.mediaStream = new MediaStream()
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let canvasStream = this.canvas.captureStream(30)
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for (let vt of canvasStream.getVideoTracks()) {
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this.mediaStream.addTrack(vt)
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console.log("Adding video track", vt)
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}
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for (let at of this.webcamVideo.srcObject.getAudioTracks()) {
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this.mediaStream.addTrack(at)
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console.log("Adding audio track", at)
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}
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this.recorder = new MediaRecorder(this.canvas.captureStream(30), {mimeType: "video/webm"})
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this.recorder.addEventListener("dataavailable", event => {
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if (event.data && event.data.size > 0) {
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this.chunks.push(event.data)
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}
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})
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this.frame()
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toast("Click anywhere to start and stop recording")
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}
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}
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function init() {
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window.app = new Convulse()
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}
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if (document.readyState === "loading") {
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document.addEventListener("DOMContentLoaded", init)
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} else {
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init()
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}
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