Added support for setting audio input device, not working on linux at the moment. Updated webcam selection.

app/lib/RoomClient.js

@@ -79,7 +79,9 @@ export default class RoomClient
 
 		// Map of webcam MediaDeviceInfos indexed by deviceId.
 		// @type {Map<String, MediaDeviceInfos>}
-		this._webcams = new Map();
+		this._webcams = {};
+
+		this._audioDevices = {};
 
 		// Local Webcam. Object with:
 		// - {MediaDeviceInfo} [device]
@@ -89,6 +91,10 @@ export default class RoomClient
 			resolution : 'hd'
 		};
 
+		this._audioDevice = {
+			device : null
+		};
+
 		this._screenSharing = ScreenShare.create();
 
 		this._screenSharingProducer = null;
@@ -366,6 +372,72 @@ export default class RoomClient
 			});
 	}
 
+	changeAudioDevice(deviceId)
+	{
+		logger.debug('changeAudioDevice() [deviceId: %s]', deviceId);
+
+		this._dispatch(
+			stateActions.setAudioInProgress(true));
+
+		return Promise.resolve()
+			.then(() =>
+			{
+				this._audioDevice.device = this._audioDevices[deviceId];
+
+				logger.debug(
+					'changeAudioDevice() | new selected webcam [device:%o]',
+					this._audioDevice.device);
+			})
+			.then(() =>
+			{
+				const { device } = this._audioDevice;
+
+				if (!device)
+					throw new Error('no audio devices');
+
+				logger.debug('changeAudioDevice() | calling getUserMedia()');
+
+				return navigator.mediaDevices.getUserMedia(
+					{
+						audio :
+						{
+							deviceId : { exact: device.deviceId }
+						}
+					});
+			})
+			.then((stream) =>
+			{
+				const track = stream.getAudioTracks()[0];
+
+				return this._micProducer.replaceTrack(track)
+					.then((newTrack) =>
+					{
+						track.stop();
+
+						return newTrack;
+					});
+			})
+			.then((newTrack) =>
+			{
+				this._dispatch(
+					stateActions.setProducerTrack(this._micProducer.id, newTrack));
+
+				return this._updateAudioDevices();
+			})
+			.then(() =>
+			{
+				this._dispatch(
+					stateActions.setAudioInProgress(false));
+			})
+			.catch((error) =>
+			{
+				logger.error('changeAudioDevice() failed: %o', error);
+
+				this._dispatch(
+					stateActions.setAudioInProgress(false));
+			});
+	}
+
 	changeWebcam(deviceId)
 	{
 		logger.debug('changeWebcam() [deviceId: %s]', deviceId);
@@ -376,20 +448,7 @@ export default class RoomClient
 		return Promise.resolve()
 			.then(() =>
 			{
-				logger.debug('changeWebcam() | calling enumerateDevices()');
-
-				return navigator.mediaDevices.enumerateDevices();
-			})
-			.then((devices) =>
-			{
-				for (const device of devices)
-				{
-					if (device.kind !== 'videoinput')
-						continue;
-
-					if (device.deviceId == deviceId)
-						this._webcam.device = device;
-				}
+				this._webcam.device = this._webcams[deviceId];
 
 				logger.debug(
 					'changeWebcam() | new selected webcam [device:%o]',
@@ -433,6 +492,10 @@ export default class RoomClient
 				this._dispatch(
 					stateActions.setProducerTrack(this._webcamProducer.id, newTrack));
 
+				return this._updateWebcams();
+			})
+			.then(() =>
+			{
 				this._dispatch(
 					stateActions.setWebcamInProgress(false));
 			})
@@ -1161,6 +1224,12 @@ export default class RoomClient
 		let producer;
 
 		return Promise.resolve()
+			.then(() =>
+			{
+				logger.debug('_setMicProducer() | calling _updateAudioDevices()');
+
+				return this._updateAudioDevices();
+			})
 			.then(() =>
 			{
 				logger.debug('_setMicProducer() | calling getUserMedia()');
@@ -1480,6 +1549,58 @@ export default class RoomClient
 			});
 	}
 
+	_updateAudioDevices()
+	{
+		logger.debug('_updateAudioDevices()');
+
+		// Reset the list.
+		this._audioDevices = {};
+
+		return Promise.resolve()
+			.then(() =>
+			{
+				logger.debug('_updateAudioDevices() | calling enumerateDevices()');
+
+				return navigator.mediaDevices.enumerateDevices();
+			})
+			.then((devices) =>
+			{
+				for (const device of devices)
+				{
+					if (device.kind !== 'audioinput')
+						continue;
+
+					this._audioDevices[device.deviceId] = {
+						value    : device.deviceId,
+						label    : device.label,
+						deviceId : device.deviceId
+					};
+				}
+			})
+			.then(() =>
+			{
+				const currentAudioDeviceId =
+					this._audioDevice.device ? this._audioDevice.device.deviceId : undefined;
+
+				logger.debug('_updateAudioDevices() [audiodevices:%o]', this._audioDevices);
+
+				const len = Object.keys(this._audioDevices).length;
+
+				if (len === 0)
+					this._audioDevice.device = null;
+				else if (!this._audioDevices[currentAudioDeviceId])
+					for (this._audioDevice.device in this._audioDevices)
+						if (this._audioDevices.hasOwnProperty(this._audioDevice.device))
+							break;
+
+				this._dispatch(
+					stateActions.setCanChangeAudioDevice(len >= 2));
+				if (len >= 1)
+					this._dispatch(
+						stateActions.setAudioDevices(this._audioDevices));
+			});
+	}
+
 	_updateWebcams()
 	{
 		logger.debug('_updateWebcams()');
@@ -1503,7 +1624,8 @@ export default class RoomClient
 
 					this._webcams[device.deviceId] = {
 						value    : device.deviceId,
-						label : device.label
+						label    : device.label,
+						deviceId : device.deviceId
 					};
 				}
 			})

app/lib/components/Me.jsx

@@ -80,7 +80,9 @@ class Me extends React.Component
 				{connected ?
 					<div className='controls'>
 						<div
-							className={classnames('button', 'mic', micState)}
+							className={classnames('button', 'mic', micState, {
+								disabled : me.audioInProgress
+							})}
 							onClick={() =>
 							{
 								micState === 'on' ? onMuteMic() : onUnmuteMic();

app/lib/components/Settings.jsx

@@ -3,6 +3,7 @@ import { connect } from 'react-redux';
 import * as appPropTypes from './appPropTypes';
 import * as requestActions from '../redux/requestActions';
 import PropTypes from 'prop-types';
+import { Appear } from './transitions';
 import Dropdown from 'react-dropdown';
 
 class Settings extends React.Component
@@ -18,15 +19,41 @@ class Settings extends React.Component
 			room,
 			me,
 			handleChangeWebcam,
+			handleChangeAudioDevice,
 			onToggleSettings
 		} = this.props;
 
 		if (!room.showSettings)
 			return null;
 
-		const webcams = Object.values(me.webcamDevices);
+		let webcams;
+		let webcamText;
+
+		if (me.canChangeWebcam)
+			webcamText = 'Select camera';
+		else
+			webcamText = 'Unable to select camera';
+
+		if (me.webcamDevices)
+			webcams = Object.values(me.webcamDevices);
+		else
+			webcams = [];
+
+		let audioDevices;
+		let audioDevicesText;
+
+		if (me.canChangeAudioDevice)
+			audioDevicesText = 'Select audio input device';
+		else
+			audioDevicesText = 'Unable to select audio input device';
+
+		if (me.audioDevices)
+			audioDevices = Object.values(me.audioDevices);
+		else
+			audioDevices = [];
 
 		return (
+			<Appear duration={500}>
 				<div data-component='Settings'>
 					<div className='dialog'>
 						<div className='header'>
@@ -37,8 +64,13 @@ class Settings extends React.Component
 								disabled={!me.canChangeWebcam}
 								options={webcams}
 								onChange={handleChangeWebcam}
-							value={webcams[0]}
-							placeholder='No other cameras detected'
+								placeholder={webcamText}
+							/>
+							<Dropdown
+								disabled={!me.canChangeAudioDevice}
+								options={audioDevices}
+								onChange={handleChangeAudioDevice}
+								placeholder={audioDevicesText}
 							/>
 						</div>
 						<div className='footer'>
@@ -51,6 +83,7 @@ class Settings extends React.Component
 						</div>
 					</div>
 				</div>
+			</Appear>
 		);
 	}
 }
@@ -60,7 +93,8 @@ Settings.propTypes =
 	me                      : appPropTypes.Me.isRequired,
 	room                    : appPropTypes.Room.isRequired,
 	onToggleSettings        : PropTypes.func.isRequired,
-	handleChangeWebcam : PropTypes.func.isRequired
+	handleChangeWebcam      : PropTypes.func.isRequired,
+	handleChangeAudioDevice : PropTypes.func.isRequired
 };
 
 const mapStateToProps = (state) =>
@@ -77,6 +111,10 @@ const mapDispatchToProps = (dispatch) =>
 		handleChangeWebcam : (device) =>
 		{
 			dispatch(requestActions.changeWebcam(device.value));
+		},
+		handleChangeAudioDevice : (device) =>
+		{
+			dispatch(requestActions.changeAudioDevice(device.value));
 		}
 	};
 };

app/lib/redux/reducers/me.js

@@ -8,9 +8,12 @@ const initialState =
 	canSendWebcam         : false,
 	canShareScreen        : false,
 	needExtension         : false,
+	canChangeAudioDevice  : false,
+	audioDevices          : null,
 	canChangeWebcam       : false,
 	webcamDevices         : null,
 	webcamInProgress      : false,
+	audioInProgress       : false,
 	screenShareInProgress : false,
 	audioOnly             : false,
 	audioOnlyInProgress   : false,
@@ -44,6 +47,20 @@ const me = (state = initialState, action) =>
 			return { ...state, canShareScreen, needExtension };
 		}
 
+		case 'SET_CAN_CHANGE_AUDIO_DEVICE':
+		{
+			const canChangeAudioDevice = action.payload;
+
+			return { ...state, canChangeAudioDevice };
+		}
+
+		case 'SET_AUDIO_DEVICES':
+		{
+			const { devices } = action.payload;
+
+			return { ...state, audioDevices: devices };
+		}
+
 		case 'SET_CAN_CHANGE_WEBCAM':
 		{
 			const canChangeWebcam = action.payload;
@@ -53,11 +70,18 @@ const me = (state = initialState, action) =>
 
 		case 'SET_WEBCAM_DEVICES':
 		{
-			const devices = action.payload;
+			const { devices } = action.payload;
 
 			return { ...state, webcamDevices: devices };
 		}
 
+		case 'SET_AUDIO_IN_PROGRESS':
+		{
+			const { flag } = action.payload;
+
+			return { ...state, audioInProgress: flag };
+		}
+
 		case 'SET_WEBCAM_IN_PROGRESS':
 		{
 			const { flag } = action.payload;

app/lib/redux/requestActions.js

@@ -65,6 +65,14 @@ export const changeWebcam = (deviceId) =>
 	};
 };
 
+export const changeAudioDevice = (deviceId) =>
+{
+	return {
+		type    : 'CHANGE_AUDIO_DEVICE',
+		payload : { deviceId }
+	};
+};
+
 export const enableAudioOnly = () =>
 {
 	return {

app/lib/redux/roomClientMiddleware.js

@@ -90,6 +90,15 @@ export default ({ dispatch, getState }) => (next) =>
 				break;
 			}
 
+			case 'CHANGE_AUDIO_DEVICE':
+			{
+				const { deviceId } = action.payload;
+
+				client.changeAudioDevice(deviceId);
+
+				break;
+			}
+
 			case 'ENABLE_AUDIO_ONLY':
 			{
 				client.enableAudioOnly();

app/lib/redux/stateActions.js

@@ -54,6 +54,22 @@ export const setScreenCapabilities = ({	canShareScreen, needExtension }) =>
 	};
 };
 
+export const setCanChangeAudioDevice = (flag) =>
+{
+	return {
+		type    : 'SET_CAN_CHANGE_AUDIO_DEVICE',
+		payload : flag
+	};
+};
+
+export const setAudioDevices = (devices) =>
+{
+	return {
+		type    : 'SET_AUDIO_DEVICES',
+		payload : { devices }
+	};
+};
+
 export const setCanChangeWebcam = (flag) =>
 {
 	return {
@@ -66,7 +82,7 @@ export const setWebcamDevices = (devices) =>
 {
 	return {
 		type    : 'SET_WEBCAM_DEVICES',
-		payload : devices
+		payload : { devices }
 	};
 };
 
@@ -189,6 +205,14 @@ export const setProducerTrack = (producerId, track) =>
 	};
 };
 
+export const setAudioInProgress = (flag) =>
+{
+	return {
+		type    : 'SET_AUDIO_IN_PROGRESS',
+		payload : { flag }
+	};
+};
+
 export const setWebcamInProgress = (flag) =>
 {
 	return {

app/stylus/components/Settings.styl

@@ -7,6 +7,8 @@
 	z-index: 19999;
 	background-color: rgba(000, 000, 000, 0.5);
 
+	AppearFadeIn(500ms);
+
 	> .dialog {
 		position: absolute;
 		height: 50vmin;
@@ -29,6 +31,8 @@
 		> .settings {
 			height: 100%;
 			width: 100%;
+			padding-top: 1vmin;
+			padding-bottom: 1vmin;
 
 			.Dropdown-root {
 				position: relative;