mirror of https://github.com/nealey/convulse.git
132 lines
2.9 KiB
HTML
132 lines
2.9 KiB
HTML
<!DOCTYPE html>
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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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</head>
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<body>
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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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<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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