amazon-chime-sdk-js

import { ConsoleLogger, LogLevel, DefaultDeviceController, MeetingSessionConfiguration, DefaultMeetingSession, MeetingSessionStatus, MeetingSessionStatusCode, type AudioVideoFacade, type MeetingSession, type MeetingSessionDelegate } from 'amazon-chime-sdk-js'; // --- Backend-provided meeting and attendee information (simulated) --- // In a real application, this data comes from your backend service // after calling Chime SDK CreateMeeting and CreateAttendee APIs. const mockMeetingResponse = { Meeting: { MeetingId: 'mock-meeting-id', MediaPlacement: { AudioHostUrl: 'wss://chime.us-east-1.chime.aws/ws?X-Amz-ChannelID=...', ScreenDataUrl: 'wss://chime.us-east-1.chime.aws/v2/screenshare/meetingId/...', ScreenSharingUrl: 'wss://chime.us-east-1.chime.aws/v2/screenshare/meetingId/...', ScreenViewingUrl: 'wss://chime.us-east-1.chime.aws/v2/screencapture/meetingId/...', SignalingUrl: 'wss://signal.us-east-1.chime.aws/ws?X-Amz-ChannelID=...', TurnControlUrl: 'https://global.turn.chime.aws/v1/turn?X-Amz-ChannelID=...', EventIngestionUrl: 'https://events.chime.aws/v2/meetings/.../events' }, MediaRegion: 'us-east-1' } }; const mockAttendeeResponse = { Attendee: { AttendeeId: 'mock-attendee-id', JoinToken: 'mock-join-token', ExternalUserId: 'test-user-123' } }; async function initializeMeetingSession() { const logger = new ConsoleLogger('ChimeMeetingLogger', LogLevel.INFO); const deviceController = new DefaultDeviceController(logger); const configuration = new MeetingSessionConfiguration( mockMeetingResponse, mockAttendeeResponse ); const meetingSession = new DefaultMeetingSession( configuration, logger, deviceController ); // Implement a delegate to receive meeting events const meetingDelegate: MeetingSessionDelegate = { audioVideoDidStart: () => { logger.info('Audio/Video started!'); }, audioVideoDidStop: (sessionStatus: MeetingSessionStatus) => { logger.warn(`Audio/Video stopped with code: ${MeetingSessionStatusCode[sessionStatus.statusCode]}`); }, audioVideoDidStartConnecting: (reconnecting: boolean) => { logger.info(reconnecting ? 'Reconnecting to meeting...' : 'Connecting to meeting...'); }, connectionDidSuggestStop: () => { logger.info('Connection suggested stop. Leaving meeting...'); meetingSession.audioVideo.stop(); }, // ... other delegate methods as needed }; meetingSession.audioVideo.addObserver(meetingDelegate); try { // Ensure microphone and camera permissions are granted before starting await navigator.mediaDevices.getUserMedia({ audio: true, video: true }); logger.info('Microphone and camera permissions granted.'); await meetingSession.audioVideo.start(); logger.info('Meeting session started successfully!'); // Example: List and select audio input devices const audioInputDevices = await meetingSession.audioVideo.listAudioInputDevices(); if (audioInputDevices.length > 0) { await meetingSession.audioVideo.chooseAudioInputDevice(audioInputDevices[0].deviceId); logger.info(`Selected audio input device: ${audioInputDevices[0].label}`); } // Clean up after 30 seconds for demonstration setTimeout(() => { meetingSession.audioVideo.stop(); logger.info('Meeting session stopped after 30 seconds.'); }, 30000); } catch (error) { logger.error(`Error starting meeting session: ${error}`); } } initializeMeetingSession();