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puppeteer screen capture demo. Currently records 10 second video. Change the timeout in background.js with your own logic to stop the recording when necessary. Try with `node export.js`
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| /* global chrome, MediaRecorder, FileReader */ | |
| chrome.runtime.onConnect.addListener(port => { | |
| let recorder = null | |
| port.onMessage.addListener(msg => { | |
| console.log(msg); | |
| switch (msg.type) { | |
| case 'REC_STOP': | |
| console.log('Stopping recording') | |
| if (!port.recorderPlaying || !recorder) { | |
| console.log('Nothing to stop') | |
| return | |
| } | |
| port.recorderPlaying = false | |
| recorder.stop() | |
| break | |
| case 'REC_CLIENT_PLAY': | |
| if (port.recorderPlaying) { | |
| console.log('Ignoring second play, already playing') | |
| return | |
| } | |
| port.recorderPlaying = true | |
| const tab = port.sender.tab | |
| tab.url = msg.data.url | |
| chrome.desktopCapture.chooseDesktopMedia(['tab', 'audio'], streamId => { | |
| // Get the stream | |
| navigator.webkitGetUserMedia({ | |
| audio: false, | |
| video: { | |
| mandatory: { | |
| chromeMediaSource: 'desktop', | |
| chromeMediaSourceId: streamId, | |
| minWidth: 1280, | |
| maxWidth: 1280, | |
| minHeight: 720, | |
| maxHeight: 720, | |
| minFrameRate: 60, | |
| } | |
| } | |
| }, stream => { | |
| var chunks=[]; | |
| recorder = new MediaRecorder(stream, { | |
| videoBitsPerSecond: 2500000, | |
| ignoreMutedMedia: true, | |
| mimeType: 'video/webm' | |
| }); | |
| recorder.ondataavailable = function (event) { | |
| if (event.data.size > 0) { | |
| chunks.push(event.data); | |
| } | |
| }; | |
| recorder.onstop = function () { | |
| var superBuffer = new Blob(chunks, { | |
| type: 'video/webm' | |
| }); | |
| var url = URL.createObjectURL(superBuffer); | |
| // var a = document.createElement('a'); | |
| // document.body.appendChild(a); | |
| // a.style = 'display: none'; | |
| // a.href = url; | |
| // a.download = 'test.webm'; | |
| // a.click(); | |
| chrome.downloads.download({ | |
| url: url, | |
| //filename: "suggested/filename/with/relative.path" // Optional | |
| }); | |
| } | |
| recorder.start(); | |
| setTimeout(()=>{ | |
| recorder.stop() | |
| }, 10000) | |
| }, error => console.log('Unable to get user media', error)) | |
| }) | |
| break | |
| default: | |
| console.log('Unrecognized message', msg) | |
| } | |
| }) | |
| }) |
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| window.onload = () => { | |
| if (window.recorderInjected) return | |
| Object.defineProperty(window, 'recorderInjected', { value: true, writable: false }) | |
| // Setup message passing | |
| const port = chrome.runtime.connect(chrome.runtime.id) | |
| port.onMessage.addListener(msg => window.postMessage(msg, '*')) | |
| window.addEventListener('message', event => { | |
| // Relay client messages | |
| if (event.source === window && event.data.type && event.data.type.startsWith('REC_CLIENT_')) { | |
| port.postMessage(event.data) | |
| } | |
| }) | |
| document.title = 'pickme' | |
| window.postMessage({ type: 'REC_CLIENT_PLAY', data: { url: window.location.origin } }, '*') | |
| } |
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| const puppeteer = require('puppeteer'); | |
| console.log(__dirname) | |
| var options = { | |
| headless: false, | |
| args: [ | |
| '--enable-usermedia-screen-capturing', | |
| '--allow-http-screen-capture', | |
| '--no-sandbox', | |
| '--auto-select-desktop-capture-source=pickme', | |
| '--disable-setuid-sandbox', | |
| '--load-extension=' + __dirname,, | |
| '--disable-extensions-except=' + __dirname, | |
| ], | |
| executablePath: 'google-chrome-unstable', | |
| } | |
| puppeteer.launch(options).then(browser=>{ | |
| return browser.pages().then(pages=>{ | |
| var page = pages[0]; | |
| return page.goto('http://tobiasahlin.com/spinkit/', {waitUntil: 'networkidle2'}).then(_=>{ | |
| return page.evaluate(()=>{ | |
| var session = { | |
| audio: false, | |
| video: { | |
| mandatory: { | |
| chromeMediaSource: 'screen', | |
| }, | |
| optional: [] | |
| }, | |
| }; | |
| }) | |
| }) | |
| }).then(_=>{ | |
| // return browser.close() | |
| }) | |
| }) | |
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| { | |
| "name": "Video Capture Attempt #1", | |
| "version": "0.1.0", | |
| "manifest_version": 2, | |
| "background": { | |
| "scripts": ["background.js"] | |
| }, | |
| "content_scripts": [{ | |
| "matches": ["<all_urls>"], | |
| "js": ["content_script.js"], | |
| "run_at": "document_start" | |
| }], | |
| "permissions": [ | |
| "desktopCapture", | |
| "<all_urls>", | |
| "downloads" | |
| ] | |
| } |
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