Created
August 21, 2024 19:56
-
-
Save VerteDinde/ecd068bd4ca9e2e5b92a45a79d34eb81 to your computer and use it in GitHub Desktop.
setDisplayMediaRequestHandler example
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP --> | |
| <meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'"> | |
| <title>Hello World!</title> | |
| </head> | |
| <body> | |
| <h1>Hello World!</h1> | |
| We are using Node.js <span id="node-version"></span>, | |
| Chromium <span id="chrome-version"></span>, | |
| and Electron <span id="electron-version"></span>. | |
| <!-- You can also require other files to run in this process --> | |
| <button id="startButton" class="button">Start</button> | |
| <button id="stopButton" class="button">Stop</button> | |
| <button id="pauseButton" class="button">Pause</button> | |
| <video width="320" height="240" autoplay></video> | |
| <script src="./renderer.js"></script> | |
| </body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // Modules to control application life and create native browser window | |
| const { app, BrowserWindow, desktopCapturer, session } = require('electron') | |
| const path = require('node:path') | |
| function createWindow () { | |
| const mainWindow = new BrowserWindow({ | |
| width: 800, | |
| height: 600, | |
| webPreferences: { | |
| preload: path.join(__dirname, 'preload.js') | |
| } | |
| }) | |
| mainWindow.loadFile('index.html') | |
| // mainWindow.webContents.openDevTools() | |
| } | |
| app.whenReady().then(() => { | |
| createWindow() | |
| session.defaultSession.setDisplayMediaRequestHandler((request, callback) => { | |
| // If we should use the system picker | |
| // Note: this is currently experimental | |
| // if (desktopCapturer.isDisplayMediaSystemPickerAvailable()) { | |
| // callback({ video: desktopCapturer.systemPickerVideoSource }) | |
| // return; | |
| // } | |
| desktopCapturer.getSources({ types: ['screen'] }).then((sources) => { | |
| console.log('Request: ', request) | |
| // Grant access to the first screen found. | |
| callback({ video: sources[0] }) | |
| }).catch((err) => { | |
| console.log('Error: ', err); | |
| }) | |
| }) | |
| app.on('activate', function () { | |
| if (BrowserWindow.getAllWindows().length === 0) createWindow() | |
| }) | |
| }) | |
| app.on('window-all-closed', function () { | |
| if (process.platform !== 'darwin') app.quit() | |
| }) |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| { | |
| "name": "getDisplayMedia", | |
| "productName": "getDisplayMedia", | |
| "description": "My Electron application description", | |
| "keywords": [], | |
| "main": "./main.js", | |
| "version": "1.0.0", | |
| "author": "khammond", | |
| "scripts": { | |
| "start": "electron ." | |
| }, | |
| "dependencies": {}, | |
| "devDependencies": { | |
| "electron": "999.999.999" | |
| } | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| window.addEventListener('DOMContentLoaded', () => { | |
| const replaceText = (selector, text) => { | |
| const element = document.getElementById(selector) | |
| if (element) element.innerText = text | |
| } | |
| for (const type of ['chrome', 'node', 'electron']) { | |
| replaceText(`${type}-version`, process.versions[type]) | |
| } | |
| }) |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // renderer.js | |
| const startButton = document.getElementById('startButton') | |
| const stopButton = document.getElementById('stopButton') | |
| const video = document.querySelector('video') | |
| startButton.addEventListener('click', () => { | |
| navigator.mediaDevices.getDisplayMedia({ | |
| audio: true, | |
| video: { | |
| width: 320, | |
| height: 240, | |
| frameRate: 30 | |
| } | |
| }).then(stream => { | |
| video.srcObject = stream; | |
| video.onloadedmetadata = (e) => video.play(); | |
| }).catch(e => console.log("Failed in getDisplayMedia", e)) | |
| }) | |
| stopButton.addEventListener('click', () => { | |
| video.close() | |
| }) | |
| pauseButton.addEventListener('click', () => { | |
| video.pause() | |
| }) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
What if there 2 or more displays? How to choose the correct source returned by
getSourcesinsetDisplayMediaRequestHandler