Add a not yet complete audio out selection.

app/src/RoomClient.js

@@ -244,6 +244,8 @@ export default class RoomClient
 
 		this._audioDevices = {};
 
+		this._audioOutputDevices = {};
+
 		// mediasoup Consumers.
 		// @type {Map<String, mediasoupClient.Consumer>}
 		this._consumers = new Map();
@@ -1107,6 +1109,50 @@ export default class RoomClient
 			meActions.setAudioInProgress(false));
 	}
 
+	async changeAudioOutputDevice(deviceId)
+	{
+		logger.debug('changeAudioOutputDevice() [deviceId: %s]', deviceId);
+
+		store.dispatch(
+			meActions.setAudioOutputInProgress(true));
+
+		try
+		{
+			const device = this._audioOutputDevices[deviceId];
+
+			if (!device)
+				throw new Error('Selected audio output device no longer avaibale');
+
+			logger.debug(
+				'changeAudioOutputDevice() | new selected [audio output device:%o]',
+				device);
+			
+
+			
+			const audioElements = document.getElementById("audio");
+			for( let i=0; i<audioElements; i++){
+				if (typeof audioElements[0].setSinkId === 'function'){
+					if (i === 0) logger.debug('changeAudioOutputDevice()');
+					await audioElements[i].setSinkId(deviceId);
+				} else {
+					logger.debug('changeAudioOutputDevice() | setSinkId not implemented');
+					break;
+				}
+			};
+
+			store.dispatch(settingsActions.setSelectedAudioOutputDevice(deviceId));
+
+			await this._updateAudioOutputDevices();
+		}
+		catch (error)
+		{
+			logger.error('changeAudioOutputDevice() failed: %o', error);
+		}
+
+		store.dispatch(
+			meActions.setAudioOutputInProgress(false));
+	}
+
 	async changeVideoResolution(resolution)
 	{
 		logger.debug('changeVideoResolution() [resolution: %s]', resolution);
@@ -2642,6 +2688,8 @@ export default class RoomClient
 				if (joinVideo && this._mediasoupDevice.canProduce('video'))
 					this.enableWebcam();
 			}
+			
+			this._updateAudioOutputDevices();
 
 			store.dispatch(roomActions.setRoomState('connected'));
 
@@ -3441,4 +3489,35 @@ export default class RoomClient
 			logger.error('_getWebcamDeviceId() failed:%o', error);
 		}
 	}
+
+	async _updateAudioOutputDevices()
+	{
+		logger.debug('_updateAudioOutputDevices()');
+
+		// Reset the list.
+		this._audioOutputDevices = {};
+
+		try
+		{
+			logger.debug('_updateAudioOutputDevices() | calling enumerateDevices()');
+
+			const devices = await navigator.mediaDevices.enumerateDevices();
+
+			for (const device of devices)
+			{
+				if (device.kind !== 'audiooutput')
+					continue;
+
+				this._audioOutputDevices[device.deviceId] = device;
+			}
+
+			store.dispatch(
+				meActions.setAudioOutputDevices(this._audioOutputDevices));
+		}
+		catch (error)
+		{
+			logger.error('_updateAudioOutputDevices() failed:%o', error);
+		}
+	}
+
 }

app/src/__tests__/Room.spec.js

@@ -31,6 +31,8 @@ beforeEach(() =>
 		me         : {
 			audioDevices          : null,
 			audioInProgress       : false,
+			audioOutputDevices    : null,
+            audioOutputInProgress : false,
 			canSendMic            : false,
 			canSendWebcam         : false,
 			canShareFiles         : false,
@@ -72,11 +74,12 @@ beforeEach(() =>
 			windowConsumer     : null
 		},
 		settings : {
-			advancedMode        : true,
+			advancedMode              : true,
-			displayName         : 'Jest Tester',
+			displayName               : 'Jest Tester',
-			resolution          : 'ultra',
+			resolution                : 'ultra',
-			selectedAudioDevice : 'default',
+			selectedAudioDevice       : 'default',
-			selectedWebcam      : 'soifjsiajosjfoi'
+			selectedAudioOutputDevice : 'default',
+			selectedWebcam            : 'soifjsiajosjfoi'
 		},
 		toolarea : {
 			currentToolTab : 'chat',

app/src/actions/meActions.js

@@ -50,6 +50,12 @@ export const setAudioDevices = (devices) =>
 		payload : { devices }
 	});
 
+export const setAudioOutputDevices = (devices) =>
+({
+	type    : 'SET_AUDIO_OUTPUT_DEVICES',
+	payload : { devices }
+});
+
 export const setWebcamDevices = (devices) =>
 	({
 		type    : 'SET_WEBCAM_DEVICES',
@@ -67,6 +73,12 @@ export const setAudioInProgress = (flag) =>
 		type    : 'SET_AUDIO_IN_PROGRESS',
 		payload : { flag }
 	});
+
+export const setAudioOutputInProgress = (flag) =>
+({
+	type    : 'SET_AUDIO_OUTPUT_IN_PROGRESS',
+	payload : { flag }
+});
 	
 export const setWebcamInProgress = (flag) =>
 	({

app/src/actions/settingsActions.js

@@ -4,6 +4,12 @@ export const setSelectedAudioDevice = (deviceId) =>
 		payload : { deviceId }
 	});
 
+export const setSelectedAudioOutputDevice = (deviceId) =>
+({
+	type    : 'CHANGE_AUDIO_OUTPUT_DEVICE',
+	payload : { deviceId }
+});
+
 export const setSelectedWebcamDevice = (deviceId) =>
 	({
 		type    : 'CHANGE_WEBCAM',

app/src/components/Settings/Settings.js

@@ -130,6 +130,13 @@ const Settings = ({
 		audioDevices = Object.values(me.audioDevices);
 	else
 		audioDevices = [];
+		
+	let audioOutputDevices;
+
+	if (me.audioOutputDevices)
+		audioOutputDevices = Object.values(me.audioOutputDevices);
+	else
+		audioOutputDevices = [];
 
 	return (
 		<Dialog
@@ -226,6 +233,46 @@ const Settings = ({
 					</FormHelperText>
 				</FormControl>
 			</form>
+			<form className={classes.setting} autoComplete='off'>
+				<FormControl className={classes.formControl}>
+					<Select
+						value={settings.selectedAudioOutputDevice || ''}
+						onChange={(event) =>
+						{
+							if (event.target.value)
+								roomClient.changeAudioOutputDevice(event.target.value);
+						}}
+						displayEmpty
+						name={intl.formatMessage({
+							id             : 'settings.audio.output',
+							defaultMessage : 'Audio output device'
+						})}
+						autoWidth
+						className={classes.selectEmpty}
+						disabled={audioOutputDevices.length === 0 || me.audioOutputInProgress}
+					>
+						{ audioOutputDevices.map((audioOutput, index) =>
+						{
+							return (
+								<MenuItem key={index} value={audioOutput.deviceId}>{audioOutput.label}</MenuItem>
+							);
+						})}
+					</Select>
+					<FormHelperText>
+						{ audioOutputDevices.length > 0 ?
+							intl.formatMessage({
+								id             : 'settings.selectAudio.output',
+								defaultMessage : 'Select audio output device'
+							})
+							:
+							intl.formatMessage({
+								id             : 'settings.cantSelectAudio.output',
+								defaultMessage : 'Unable to select audio output device'
+							})
+						}
+					</FormHelperText>
+				</FormControl>
+			</form>
 			<form className={classes.setting} autoComplete='off'>
 				<FormControl className={classes.formControl}>
 					<Select

app/src/reducers/me.js

@@ -97,6 +97,13 @@ const me = (state = initialState, action) =>
 			return { ...state, audioDevices: devices };
 		}
 
+		case 'SET_AUDIO_OUTPUT_DEVICES':
+		{
+			const { devices } = action.payload;
+
+			return { ...state, audioOutputDevices: devices };
+		}
+
 		case 'SET_WEBCAM_DEVICES':
 		{
 			const { devices } = action.payload;

app/src/reducers/settings.js

@@ -23,6 +23,11 @@ const settings = (state = initialState, action) =>
 			return { ...state, selectedAudioDevice: action.payload.deviceId };
 		}
 
+		case 'CHANGE_AUDIO_OUTPUT_DEVICE':
+			{
+				return { ...state, selectedAudioOutputDevice: action.payload.deviceId };
+			}
+	
 		case 'SET_DISPLAY_NAME':
 		{
 			const { displayName } = action.payload;