renderer.js

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