Java Code Examples for org.webrtc.PeerConnectionFactory#createAudioSource()

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    // create PeerConnectionFactory
    PeerConnectionFactory.InitializationOptions initializationOptions =
            PeerConnectionFactory.InitializationOptions.builder(this).createInitializationOptions();
    PeerConnectionFactory.initialize(initializationOptions);
    PeerConnectionFactory peerConnectionFactory = PeerConnectionFactory.builder().createPeerConnectionFactory();

    // create AudioSource
    AudioSource audioSource = peerConnectionFactory.createAudioSource(new MediaConstraints());
    AudioTrack audioTrack = peerConnectionFactory.createAudioTrack("101", audioSource);

    EglBase.Context eglBaseContext = EglBase.create().getEglBaseContext();

    SurfaceTextureHelper surfaceTextureHelper = SurfaceTextureHelper.create("CaptureThread", eglBaseContext);
    // create VideoCapturer
    VideoCapturer videoCapturer = createCameraCapturer();
    VideoSource videoSource = peerConnectionFactory.createVideoSource(videoCapturer.isScreencast());
    videoCapturer.initialize(surfaceTextureHelper, getApplicationContext(), videoSource.getCapturerObserver());
    videoCapturer.startCapture(480, 640, 30);

    SurfaceViewRenderer localView = findViewById(R.id.localView);
    localView.setMirror(true);
    localView.init(eglBaseContext, null);

    // create VideoTrack
    VideoTrack videoTrack = peerConnectionFactory.createVideoTrack("100", videoSource);
    // display in localView
    videoTrack.addSink(localView);
}
 

public void reInitAudioTrack(@NonNull PeerConnectionFactory factory) {
    this.peerConnection.removeStream(this.mediaStream);
    this.mediaStream.removeTrack(audioTrack);

    MediaConstraints audioConstraints = new MediaConstraints();
    audioConstraints.optional.add(new MediaConstraints.KeyValuePair("DtlsSrtpKeyAgreement", "true"));
    this.audioSource = factory.createAudioSource(audioConstraints);
    this.audioTrack = factory.createAudioTrack("ARDAMSa0", audioSource);
    this.audioTrack.setEnabled(false);

    this.mediaStream.addTrack(audioTrack);
    this.peerConnection.addStream(this.mediaStream);
}
 

public void start() {
    PeerConnectionFactory.initializeAndroidGlobals(activity, true);

    PeerConnectionFactory.Options options = new PeerConnectionFactory.Options();
    peerConnectionFactory = new PeerConnectionFactory(options);

    videoGrabberAndroid = createVideoGrabber();
    MediaConstraints constraints = new MediaConstraints();

    VideoSource videoSource = peerConnectionFactory.createVideoSource(videoGrabberAndroid);
    localVideoTrack = peerConnectionFactory.createVideoTrack("100", videoSource);

    AudioSource audioSource = peerConnectionFactory.createAudioSource(constraints);
    localAudioTrack = peerConnectionFactory.createAudioTrack("101", audioSource);

    if (videoGrabberAndroid != null) {
        videoGrabberAndroid.startCapture(1000, 1000, 30);
    }

    localRenderer = new VideoRenderer(localVideoView);
    localVideoTrack.addRenderer(localRenderer);

    MediaConstraints sdpConstraints = new MediaConstraints();
    sdpConstraints.mandatory.add(new MediaConstraints.KeyValuePair("offerToReceiveAudio", "true"));
    sdpConstraints.mandatory.add(new MediaConstraints.KeyValuePair("offerToReceiveVideo", "true"));

    createLocalPeerConnection(sdpConstraints);
}
 

public PeerConnectionWrapper(@NonNull Context context,
                             @NonNull PeerConnectionFactory factory,
                             @NonNull PeerConnection.Observer observer,
                             @NonNull VideoSink localRenderer,
                             @NonNull List<PeerConnection.IceServer> turnServers,
                             @NonNull CameraEventListener cameraEventListener,
                             @NonNull EglBase eglBase,
                             boolean hideIp) {
    List<PeerConnection.IceServer> iceServers = new LinkedList<>();
    iceServers.add(STUN_SERVER);
    iceServers.addAll(turnServers);

    this.iceServers = iceServers;

    MediaConstraints constraints = new MediaConstraints();
    MediaConstraints audioConstraints = new MediaConstraints();
    PeerConnection.RTCConfiguration configuration = new PeerConnection.RTCConfiguration(iceServers);

    configuration.bundlePolicy = PeerConnection.BundlePolicy.MAXBUNDLE;
    configuration.rtcpMuxPolicy = PeerConnection.RtcpMuxPolicy.REQUIRE;

    if (hideIp) {
        configuration.iceTransportsType = PeerConnection.IceTransportsType.RELAY;
    }

    constraints.optional.add(new MediaConstraints.KeyValuePair("DtlsSrtpKeyAgreement", "true"));
    audioConstraints.optional.add(new MediaConstraints.KeyValuePair("DtlsSrtpKeyAgreement", "true"));

    this.peerConnection = factory.createPeerConnection(configuration, constraints, observer);
    this.peerConnection.setAudioPlayout(false);
    this.peerConnection.setAudioRecording(false);

    this.mediaStream = factory.createLocalMediaStream("ARDAMS");
    this.audioSource = factory.createAudioSource(audioConstraints);
    this.audioTrack = factory.createAudioTrack("ARDAMSa0", audioSource);
    this.audioTrack.setEnabled(false);
    mediaStream.addTrack(audioTrack);

    this.camera = new Camera(context, cameraEventListener);

    if (camera.capturer != null) {
        this.videoSource = factory.createVideoSource(false);
        this.videoTrack = factory.createVideoTrack("ARDAMSv0", videoSource);

        camera.capturer.initialize(SurfaceTextureHelper.create("WebRTC-SurfaceTextureHelper", eglBase.getEglBaseContext()), context, videoSource.getCapturerObserver());

        this.videoTrack.addSink(localRenderer);
        this.videoTrack.setEnabled(false);
        mediaStream.addTrack(videoTrack);
    } else {
        this.videoSource = null;
        this.videoTrack = null;
    }

    this.peerConnection.addStream(mediaStream);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_main);

    AudioManager audioManager = (AudioManager) this.getSystemService(Context.AUDIO_SERVICE);
    audioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);
    audioManager.setSpeakerphoneOn(true);

    PeerConnectionFactory.initializeAndroidGlobals(
            this,  // Context
            true,  // Audio Enabled
            true,  // Video Enabled
            true,  // Hardware Acceleration Enabled
            null); // Render EGL Context

    peerConnectionFactory = new PeerConnectionFactory();

    VideoCapturerAndroid vc = VideoCapturerAndroid.create(VideoCapturerAndroid.getNameOfFrontFacingDevice(), null);

    localVideoSource = peerConnectionFactory.createVideoSource(vc, new MediaConstraints());
    VideoTrack localVideoTrack = peerConnectionFactory.createVideoTrack(VIDEO_TRACK_ID, localVideoSource);
    localVideoTrack.setEnabled(true);

    AudioSource audioSource = peerConnectionFactory.createAudioSource(new MediaConstraints());
    AudioTrack localAudioTrack = peerConnectionFactory.createAudioTrack(AUDIO_TRACK_ID, audioSource);
    localAudioTrack.setEnabled(true);

    localMediaStream = peerConnectionFactory.createLocalMediaStream(LOCAL_STREAM_ID);
    localMediaStream.addTrack(localVideoTrack);
    localMediaStream.addTrack(localAudioTrack);

    GLSurfaceView videoView = (GLSurfaceView) findViewById(R.id.glview_call);

    VideoRendererGui.setView(videoView, null);
    try {
        otherPeerRenderer = VideoRendererGui.createGui(0, 0, 100, 100, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, true);
        VideoRenderer renderer = VideoRendererGui.createGui(50, 50, 50, 50, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, true);
        localVideoTrack.addRenderer(renderer);
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_video_chat);
    getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

    Bundle extras = getIntent().getExtras();
    if (extras == null || !extras.containsKey(Constants.USER_NAME)) {
        Intent intent = new Intent(this, MainActivity.class);
        startActivity(intent);
        Toast.makeText(this, "Need to pass username to VideoChatActivity in intent extras (Constants.USER_NAME).",
                Toast.LENGTH_SHORT).show();
        finish();
        return;
    }
    this.username      = extras.getString(Constants.USER_NAME, "");
    this.mChatList     = getListView();
    this.mChatEditText = (EditText) findViewById(R.id.chat_input);
    this.mCallStatus   = (TextView) findViewById(R.id.call_status);

    // Set up the List View for chatting
    List<ChatMessage> ll = new LinkedList<ChatMessage>();
    mChatAdapter = new ChatAdapter(this, ll);
    mChatList.setAdapter(mChatAdapter);

    // First, we initiate the PeerConnectionFactory with our application context and some options.
    PeerConnectionFactory.initializeAndroidGlobals(
            this,  // Context
            true,  // Audio Enabled
            true,  // Video Enabled
            true,  // Hardware Acceleration Enabled
            null); // Render EGL Context

    PeerConnectionFactory pcFactory = new PeerConnectionFactory();
    this.pnRTCClient = new PnRTCClient(Constants.PUB_KEY, Constants.SUB_KEY, this.username);
    List<PeerConnection.IceServer> servers = getXirSysIceServers();
    if (!servers.isEmpty()){
        this.pnRTCClient.setSignalParams(new PnSignalingParams());
    }

    // Returns the number of cams & front/back face device name
    int camNumber = VideoCapturerAndroid.getDeviceCount();
    String frontFacingCam = VideoCapturerAndroid.getNameOfFrontFacingDevice();
    String backFacingCam = VideoCapturerAndroid.getNameOfBackFacingDevice();

    // Creates a VideoCapturerAndroid instance for the device name
    VideoCapturer capturer = VideoCapturerAndroid.create(frontFacingCam);

    // First create a Video Source, then we can make a Video Track
    localVideoSource = pcFactory.createVideoSource(capturer, this.pnRTCClient.videoConstraints());
    VideoTrack localVideoTrack = pcFactory.createVideoTrack(VIDEO_TRACK_ID, localVideoSource);

    // First we create an AudioSource then we can create our AudioTrack
    AudioSource audioSource = pcFactory.createAudioSource(this.pnRTCClient.audioConstraints());
    AudioTrack localAudioTrack = pcFactory.createAudioTrack(AUDIO_TRACK_ID, audioSource);

    // To create our VideoRenderer, we can use the included VideoRendererGui for simplicity
    // First we need to set the GLSurfaceView that it should render to
    this.videoView = (GLSurfaceView) findViewById(R.id.gl_surface);

    // Then we set that view, and pass a Runnable to run once the surface is ready
    VideoRendererGui.setView(videoView, null);

    // Now that VideoRendererGui is ready, we can get our VideoRenderer.
    // IN THIS ORDER. Effects which is on top or bottom
    remoteRender = VideoRendererGui.create(0, 0, 100, 100, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, false);
    localRender = VideoRendererGui.create(0, 0, 100, 100, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, true);

    // We start out with an empty MediaStream object, created with help from our PeerConnectionFactory
    //  Note that LOCAL_MEDIA_STREAM_ID can be any string
    MediaStream mediaStream = pcFactory.createLocalMediaStream(LOCAL_MEDIA_STREAM_ID);

    // Now we can add our tracks.
    mediaStream.addTrack(localVideoTrack);
    mediaStream.addTrack(localAudioTrack);

    // First attach the RTC Listener so that callback events will be triggered
    this.pnRTCClient.attachRTCListener(new DemoRTCListener());

    // Then attach your local media stream to the PnRTCClient.
    //  This will trigger the onLocalStream callback.
    this.pnRTCClient.attachLocalMediaStream(mediaStream);

    // Listen on a channel. This is your "phone number," also set the max chat users.
    this.pnRTCClient.listenOn("Kevin");
    this.pnRTCClient.setMaxConnections(1);

    // If the intent contains a number to dial, call it now that you are connected.
    //  Else, remain listening for a call.
    if (extras.containsKey(Constants.CALL_USER)) {
        String callUser = extras.getString(Constants.CALL_USER, "");
        connectToUser(callUser);
    }
}
 

synchronized void initializePeerConnection(final Set<Media> media, final List<PeerConnection.IceServer> iceServers) throws InitializationException {
    Preconditions.checkState(this.eglBase != null);
    Preconditions.checkNotNull(media);
    Preconditions.checkArgument(media.size() > 0, "media can not be empty when initializing peer connection");
    final boolean setUseHardwareAcousticEchoCanceler = WebRtcAudioEffects.canUseAcousticEchoCanceler() && !HARDWARE_AEC_BLACKLIST.contains(Build.MODEL);
    Log.d(Config.LOGTAG, String.format("setUseHardwareAcousticEchoCanceler(%s) model=%s", setUseHardwareAcousticEchoCanceler, Build.MODEL));
    PeerConnectionFactory peerConnectionFactory = PeerConnectionFactory.builder()
            .setVideoDecoderFactory(new DefaultVideoDecoderFactory(eglBase.getEglBaseContext()))
            .setVideoEncoderFactory(new DefaultVideoEncoderFactory(eglBase.getEglBaseContext(), true, true))
            .setAudioDeviceModule(JavaAudioDeviceModule.builder(context)
                    .setUseHardwareAcousticEchoCanceler(setUseHardwareAcousticEchoCanceler)
                    .createAudioDeviceModule()
            )
            .createPeerConnectionFactory();


    final MediaStream stream = peerConnectionFactory.createLocalMediaStream("my-media-stream");

    final Optional<CapturerChoice> optionalCapturerChoice = media.contains(Media.VIDEO) ? getVideoCapturer() : Optional.absent();

    if (optionalCapturerChoice.isPresent()) {
        this.capturerChoice = optionalCapturerChoice.get();
        final CameraVideoCapturer capturer = this.capturerChoice.cameraVideoCapturer;
        final VideoSource videoSource = peerConnectionFactory.createVideoSource(false);
        SurfaceTextureHelper surfaceTextureHelper = SurfaceTextureHelper.create("webrtc", eglBase.getEglBaseContext());
        capturer.initialize(surfaceTextureHelper, requireContext(), videoSource.getCapturerObserver());
        Log.d(Config.LOGTAG, String.format("start capturing at %dx%d@%d", capturerChoice.captureFormat.width, capturerChoice.captureFormat.height, capturerChoice.getFrameRate()));
        capturer.startCapture(capturerChoice.captureFormat.width, capturerChoice.captureFormat.height, capturerChoice.getFrameRate());

        this.localVideoTrack = peerConnectionFactory.createVideoTrack("my-video-track", videoSource);

        stream.addTrack(this.localVideoTrack);
    }


    if (media.contains(Media.AUDIO)) {
        //set up audio track
        final AudioSource audioSource = peerConnectionFactory.createAudioSource(new MediaConstraints());
        this.localAudioTrack = peerConnectionFactory.createAudioTrack("my-audio-track", audioSource);
        stream.addTrack(this.localAudioTrack);
    }


    final PeerConnection.RTCConfiguration rtcConfig = new PeerConnection.RTCConfiguration(iceServers);
    rtcConfig.tcpCandidatePolicy = PeerConnection.TcpCandidatePolicy.DISABLED; //XEP-0176 doesn't support tcp
    rtcConfig.continualGatheringPolicy = PeerConnection.ContinualGatheringPolicy.GATHER_CONTINUALLY;
    final PeerConnection peerConnection = peerConnectionFactory.createPeerConnection(rtcConfig, peerConnectionObserver);
    if (peerConnection == null) {
        throw new InitializationException("Unable to create PeerConnection");
    }
    peerConnection.addStream(stream);
    peerConnection.setAudioPlayout(true);
    peerConnection.setAudioRecording(true);
    this.peerConnection = peerConnection;
}
 

synchronized void initializePeerConnection(final Set<Media> media, final List<PeerConnection.IceServer> iceServers) throws InitializationException {
    Preconditions.checkState(this.eglBase != null);
    Preconditions.checkNotNull(media);
    Preconditions.checkArgument(media.size() > 0, "media can not be empty when initializing peer connection");
    final boolean setUseHardwareAcousticEchoCanceler = WebRtcAudioEffects.canUseAcousticEchoCanceler() && !HARDWARE_AEC_BLACKLIST.contains(Build.MODEL);
    Log.d(Config.LOGTAG, String.format("setUseHardwareAcousticEchoCanceler(%s) model=%s", setUseHardwareAcousticEchoCanceler, Build.MODEL));
    PeerConnectionFactory peerConnectionFactory = PeerConnectionFactory.builder()
            .setVideoDecoderFactory(new DefaultVideoDecoderFactory(eglBase.getEglBaseContext()))
            .setVideoEncoderFactory(new DefaultVideoEncoderFactory(eglBase.getEglBaseContext(), true, true))
            .setAudioDeviceModule(JavaAudioDeviceModule.builder(context)
                    .setUseHardwareAcousticEchoCanceler(setUseHardwareAcousticEchoCanceler)
                    .createAudioDeviceModule()
            )
            .createPeerConnectionFactory();


    final MediaStream stream = peerConnectionFactory.createLocalMediaStream("my-media-stream");

    final Optional<CapturerChoice> optionalCapturerChoice = media.contains(Media.VIDEO) ? getVideoCapturer() : Optional.absent();

    if (optionalCapturerChoice.isPresent()) {
        this.capturerChoice = optionalCapturerChoice.get();
        final CameraVideoCapturer capturer = this.capturerChoice.cameraVideoCapturer;
        final VideoSource videoSource = peerConnectionFactory.createVideoSource(false);
        SurfaceTextureHelper surfaceTextureHelper = SurfaceTextureHelper.create("webrtc", eglBase.getEglBaseContext());
        capturer.initialize(surfaceTextureHelper, requireContext(), videoSource.getCapturerObserver());
        Log.d(Config.LOGTAG, String.format("start capturing at %dx%d@%d", capturerChoice.captureFormat.width, capturerChoice.captureFormat.height, capturerChoice.getFrameRate()));
        capturer.startCapture(capturerChoice.captureFormat.width, capturerChoice.captureFormat.height, capturerChoice.getFrameRate());

        this.localVideoTrack = peerConnectionFactory.createVideoTrack("my-video-track", videoSource);

        stream.addTrack(this.localVideoTrack);
    }


    if (media.contains(Media.AUDIO)) {
        //set up audio track
        final AudioSource audioSource = peerConnectionFactory.createAudioSource(new MediaConstraints());
        this.localAudioTrack = peerConnectionFactory.createAudioTrack("my-audio-track", audioSource);
        stream.addTrack(this.localAudioTrack);
    }


    final PeerConnection.RTCConfiguration rtcConfig = new PeerConnection.RTCConfiguration(iceServers);
    rtcConfig.tcpCandidatePolicy = PeerConnection.TcpCandidatePolicy.DISABLED; //XEP-0176 doesn't support tcp
    rtcConfig.continualGatheringPolicy = PeerConnection.ContinualGatheringPolicy.GATHER_CONTINUALLY;
    final PeerConnection peerConnection = peerConnectionFactory.createPeerConnection(rtcConfig, peerConnectionObserver);
    if (peerConnection == null) {
        throw new InitializationException("Unable to create PeerConnection");
    }
    peerConnection.addStream(stream);
    peerConnection.setAudioPlayout(true);
    peerConnection.setAudioRecording(true);
    this.peerConnection = peerConnection;
}