Error: The device you are trying to access with GetUserMedia is not available

Attempting to access an IP Camera that is connected to a WiFi network.

Even though I am connected to the same WiFi, I keep encountering an error. Strangely, I can connect using VLC, but getUserMedia returns null.

@Component({
  selector: 'app-home',
  templateUrl: './home.component.html',
})
export class HomeComponent {
  @ViewChild('video') video: any; 
  constructor() {
  }
  hasGetUserMedia() {
  return !!(navigator.mediaDevices &&
    navigator.mediaDevices.getUserMedia);
}


ngAfterViewInit() {
  if (this.hasGetUserMedia()) {
    // Ready to roll!
    console.log("All good................");
  } else {
    alert('getUserMedia() is not supported by your browser');
  }
  let _video = this.video.nativeElement;
  if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
    navigator.mediaDevices.getUserMedia({ video: true, audio: true })
      .then(function (stream) {
        _video.src = window.URL.createObjectURL(stream);
        _video.play();
      }).catch(function (err) {
        console.log(err);
      });
    }
  }
}

<video #video width="640" height="480" autoplay></video>

Answer №1

When you lack the necessary equipment for video or audio capture, this issue can occur.

Ensure that both your webcam and microphone are functioning properly.

Answer №2

Consider removing the "audio: true" setting as it worked for me when my microphone wasn't functioning properly. Also, try testing your webcam on other websites to see if it is working there. It might be necessary to check the permissions for this specific page.

Answer №3

consider altering the following line:

_video.src = window.URL.createObjectURL(stream);

to this one:

_video.srcObject = stream;

Answer №4

To get started, you can use this code snippet to activate both the webcam and microphone:

const mediaStream = await navigator.mediaDevices.getUserMedia({ audio: true, video: true });

Answer №5

When I connected an external camera via USB, I encountered some issues with the devices available. I could see audio output and video input devices, but there was no audio input (microphone) device. When requesting for devices, I specified constraints as follows:

function CameraSetup(){
  this.constraints = {
    video: true,
    audio: true
  }
  this.userMedia = null;
  this.mediaDevices = navigator.mediaDevices;
  this.initialize = function(){
    this.userMedia = this.mediaDevices.getUserMedia(this.constraints);
  }
}

let camera = new CameraSetup();
camera.initialize();

However, the Promise was not fulfilled and I received an error stating "Requested device not found."

Answer №6

If you're experiencing issues with sound on your PC, one possible solution is to connect an earpiece or earplug with a microphone. I encountered a similar error due to the lack of a built-in microphone on my device.

Answer №7

Encountering this issue may also happen on certain mobile devices (such as the Sony XA2 running Android) if you have previously created a MediaStream.

The solution that worked for me was to ensure that all tracks from previous streams are stopped.

 this.stream.getTracks().forEach(t => {
    t.stop();
    // Although I believe removeTrack is redundant, I included it.
    this.stream.removeTrack(t);
 });

Without implementing the above code, it seems that toggling the camera on specific Android devices will not work properly: (Demo), (Code) The error message displayed was

DOMException: Requested device not found

By stopping previous tracks, you can successfully initiate a new stream: (Demo) Code

Additionally, I provided a solution to a related question here:

Answer №8

Even though I have both a microphone and camera, I kept encountering the same error. I was convinced it had something to do with my laptop settings because I had tried everything else. Eventually, I discovered that my laptop was actually blocking access to the media. Since I use Linux on an MSI laptop, I started investigating any clues related to the camera settings. It was then that I noticed a webcam icon on the F6 key. So, I decided to try pressing

fn + F6

And just like that, the issue was resolved. It seems that at some point I must have unintentionally hit fn+* keys, inadvertently blocking the camera access.

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