WebRTC - change audio output device
I have an application using custom multimedia devices and I would like users to change the audio output sound. To do this I followed in this example
And try this when I select the device I want:
var deviceId = "b6d4b95564be24f8be5b8e982fdf851e658a05bb9d3aeec09280976b11debc2a";
var audioElement = document.querySelector('audio');
if (typeof audioElement.sinkId !== 'undefined') {
audioElement.setSinkId(deviceId)
.then(function() {
console.log('Success, audio output device attached: ' + deviceId);
})
.catch(function(error) {
var errorMessage = error;
if (error.name === 'SecurityError') {
errorMessage = 'You need to use HTTPS for selecting audio output ' + 'device: ' + error;
}
console.error(errorMessage);
});
} else {
console.warn('Browser does not support output device selection.');
}
audioElement
is a sound tag in an HTML file.
deviceId
is the ID of the device that I want to use as output (for example: b6d4b95564be24f8be5b8e982fdf851e658a05bb9d3aeec09280976b11debc2a)
But it gives me . DOMException error : Requested device not found
However, the result of the deviceId
function is enumerateDevices
:
navigator.mediaDevices.enumerateDevices().then(function(devices){
var audioInputList = _.filter(devices, function(device){ return device.kind == "audioinput"; });
var audioOutputList = _.filter(devices, function(device){ return device.kind == "audiooutput"; });
}).catch(function(){
console.log("error");
});
So what's wrong?
EDIT
This is how I get the list of UserMedia and devices:
function handleSuccess(stream){
var audioElement = document.querySelector('audio');
audioElement.srcObject = stream;
return navigator.mediaDevices.enumerateDevices();
}
function gotDevices(devices){
var audioDevice = { input:[], output:[] };
audioDevice.input = _.filter(devices, function(device){ return device.kind == "audioinput"; });
audioDevice.output = _.filter(devices, function(device){ return device.kind == "audiooutput"; });
}
function start(contraints){
deconnectPeerConnection();
navigator.mediaDevices.getUserMedia(contraints).then(handleSuccess)
.then(gotDevices).catch(handleError);
}
start(constraints);
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