renderer.js

   1 const ipcRenderer = require('electron').ipcRenderer
   2 const {desktopCapturer} = require('electron')
   3
   4
   5 function getDefaultStream(event) {
   6   console.log('getDefaultStream')
   7   desktopCapturer.getSources({types: ['window', 'screen']}, (error, sources) => {
   8     if (error) {
   9       console.log(error)
  10       return
  11     }
  12     for (let i = 0; i < sources.length; ++i) {
  13       if (sources[i].name === 'Screen 1') {
  14         navigator.mediaDevices.getUserMedia({
  15           audio: false,
  16           video: {
  17             mandatory: {
  18               chromeMediaSource: 'desktop',
  19               chromeMediaSourceId: sources[i].id,
  20               minWidth: 1280,
  21               maxWidth: 1280,
  22               minHeight: 720,
  23               maxHeight: 720
  24             }
  25           }
  26         }).then((stream) => {
  27           console.log(stream)
  28           event.sender.send('defaultStreamResponse', stream)
  29         })
  30       }
  31     }
  32     return
  33   })
  34 }
  35
  36 ipcRenderer.on('defaultStreamRequest', (event, message) => {
  37   console.log('defaultStreamRequest received, grabbing media stream for screen1')
  38   getDefaultStream(event)
  39 })