javascript- Accessing Media Devices with Safari

After checking the provided link, I am unsure if Safari 15 supports getUserMedia. I attempted to use it to access the camera on Safari 15, and although it asked for permission, it did not display anything after granting access. The link indicates that Safari 15 supports getUserMedia/Stream API, but does not support Navigator API: getUserMedia. Below is my code - should I refer to getUserMedia/Stream API or Navigator API: getUserMedia in this case?

    navigator.mediaDevices
    .getUserMedia(constraints)
    .then(function (stream) {
        track = stream.getTracks()[0];
        cameraView.srcObject = stream;
    })
    .catch(function (error) {
        console.error("Oops. Something is broken.", error);
    });

HTML

            <video id="camera--view" autoplay></video>
javascriptiossafaricameragetusermedia

Answer №1

Even after granting permission, I was still unable to see anything.

To resolve this issue, I included the attributes muted and playsinline in the HTML code. From what I understand, iOS does not allow autoplay unless the video is both playsinline and muted.

<video id="camera--view" muted autoplay playsinline></video>

Answer №2

If you're looking for a reliable way to access media devices, consider using the 

navigator.mediaDevices.getUserMedia()
method. This method is compatible with iOS and is recommended over deprecated alternatives. It seems that Apple has been slow in adopting getUserMedia() functionality, leading to the neglect of deprecated APIs.

To view the iOS console for debugging purposes, you'll need to connect your iOS device to a Mac and use Safari on the computer. While this process may be cumbersome, it provides insights into your code's behavior. However, explaining the detailed steps here exceeds the limitations of a Stack Overflow response.

Alternatively, you can use the alert() function for debugging instead of relying on the console output.

Remember to execute cameraView.play() at the appropriate moment to ensure proper playback. Refer to the documentation for more information.

The suggested approach involves:

 navigator.mediaDevices
    .getUserMedia(constraints)
    .then(function (stream) {
        cameraView.srcObject = stream
        cameraView.onloadedmetadata = function(e) {
            cameraView.play()
        }
      })
    .catch(function (error) {
        alert(error)
    })

Replacing console outputs with alerts enhances the debugging experience.

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