org.webrtc.VideoCapturerAndroid Java Examples

public void switchCameraInternal() {
    if (CameraEnumerationAndroid.getDeviceCount()>1) {
        if (!pcParams.videoCallEnabled || isError || localMS == null) {
            LogUtil.e(TAG, "Failed to switch camera. Video: " + pcParams.videoCallEnabled + ". Error : " + isError);
            return; // No video is sent or only one camera is available or error happened.
        }
        LogUtil.d(TAG, "Switch camera");
        videoCapturer.switchCamera(new VideoCapturerAndroid.CameraSwitchHandler() {
            @Override
            public void onCameraSwitchDone(boolean b) {
                Logger.i(TAG + "切换摄像头回调成功" + b );

            }

            @Override
            public void onCameraSwitchError(String s) {
                Logger.i(TAG + "切换摄像头回调错误" + s );

            }
        });
    } else {
        LogUtil.d(TAG, "Will not switch camera, video caputurer is not a camera");
    }
}
 

private void createLocalStream() {
    localMediaStream = factory.createLocalMediaStream("ARDAMS");

    // 音频
    AudioSource audioSource = factory.createAudioSource(new MediaConstraints());
    localMediaStream.addTrack(factory.createAudioTrack("ARDAMSa0", audioSource));

    // 视频
    String frontCameraDeviceName = VideoCapturerAndroid.getNameOfFrontFacingDevice();
    VideoCapturer capture = VideoCapturerAndroid.create(frontCameraDeviceName);
    VideoSource videoSource = factory.createVideoSource(capture, localVideoConstraints());
    localMediaStream.addTrack(factory.createVideoTrack("ARDAMSv0", videoSource));

    callBack.onSetLocalStream(localMediaStream, myId);
}
 

private VideoTrack createVideoTrack(VideoCapturerAndroid capturer) {
    videoSource = factory.createVideoSource(capturer, videoConstraints);

    localVideoTrack = factory.createVideoTrack(VIDEO_TRACK_ID, videoSource);
    localVideoTrack.setEnabled(renderVideo);
    localVideoTrack.addRenderer(new VideoRenderer(localRender));
    return localVideoTrack;
}
 

private VideoTrack createCapturerVideoTrack(VideoCapturerAndroid capturer) {
    videoSource = factory.createVideoSource(capturer, videoConstraints);
    localVideoTrack = factory.createVideoTrack(VIDEO_TRACK_ID, videoSource);
    localVideoTrack.setEnabled(renderVideo);
    localVideoTrack.addRenderer(new VideoRenderer(localRender));
    return localVideoTrack;
}
 

private void createPeerConnectionInternal(EGLContext renderEGLContext) {
    if (factory == null || isError) {
        Log.e(TAG, "Peerconnection factory is not created");
        return;
    }
    Log.d(TAG, "Create peer connection.");

    Log.d(TAG, "PCConstraints: " + pcConstraints.toString());
    if (videoConstraints != null) {
        Log.d(TAG, "VideoConstraints: " + videoConstraints.toString());
    }
    queuedRemoteCandidates = new LinkedList<IceCandidate>();

    if (videoCallEnabled) {
        Log.d(TAG, "EGLContext: " + renderEGLContext);
        factory.setVideoHwAccelerationOptions(renderEGLContext, renderEGLContext);
    }

    PeerConnection.RTCConfiguration rtcConfig =
            new PeerConnection.RTCConfiguration(signalingParameters.iceServers);
    // TCP candidates are only useful when connecting to a server that supports
    // ICE-TCP.
    rtcConfig.tcpCandidatePolicy = PeerConnection.TcpCandidatePolicy.DISABLED;
    rtcConfig.bundlePolicy = PeerConnection.BundlePolicy.MAXBUNDLE;
    rtcConfig.rtcpMuxPolicy = PeerConnection.RtcpMuxPolicy.REQUIRE;
    // Use ECDSA encryption.
    rtcConfig.keyType = PeerConnection.KeyType.ECDSA;

    peerConnection = factory.createPeerConnection(
            rtcConfig, pcConstraints, pcObserver);
    isInitiator = false;

    // Set default WebRTC tracing and INFO libjingle logging.
    // NOTE: this _must_ happen while |factory| is alive!

    Logging.enableTracing(
            "logcat:",
            EnumSet.of(Logging.TraceLevel.TRACE_DEFAULT),
            Logging.Severity.LS_INFO);

    mediaStream = factory.createLocalMediaStream("ARDAMS");
    if (videoCallEnabled) {
        String cameraDeviceName = CameraEnumerationAndroid.getDeviceName(0);
        String frontCameraDeviceName =
                CameraEnumerationAndroid.getNameOfFrontFacingDevice();
        if (numberOfCameras > 1 && frontCameraDeviceName != null) {
            cameraDeviceName = frontCameraDeviceName;
        }
        Log.d(TAG, "Opening camera: " + cameraDeviceName);
        videoCapturer = VideoCapturerAndroid.create(cameraDeviceName, null,
                peerConnectionParameters.captureToTexture ? renderEGLContext : null);
        if (videoCapturer == null) {
            reportError("Failed to open camera");
            return;
        }
        mediaStream.addTrack(createVideoTrack(videoCapturer));
    }

    mediaStream.addTrack(factory.createAudioTrack(
            AUDIO_TRACK_ID,
            factory.createAudioSource(audioConstraints)));
    peerConnection.addStream(mediaStream);

    Log.d(TAG, "Peer connection created.");
}
 

@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);
    }
}
 

void createLocalMediaStream(Object renderEGLContext,final VideoRenderer.Callbacks localRender) {
    if (factory == null) {
        Log.e(TAG, "Peerconnection factory is not created");
        return;
    }
    this.localRender = localRender;
    if (videoCallEnabled) {
        factory.setVideoHwAccelerationOptions(renderEGLContext, renderEGLContext);
    }

    // Set default WebRTC tracing and INFO libjingle logging.
    // NOTE: this _must_ happen while |factory| is alive!
    Logging.enableTracing("logcat:", EnumSet.of(Logging.TraceLevel.TRACE_DEFAULT), Logging.Severity.LS_INFO);

    localMediaStream = factory.createLocalMediaStream("ARDAMS");

    // If video call is enabled and the device has camera(s)
    if (videoCallEnabled && numberOfCameras > 0) {
        String cameraDeviceName; // = CameraEnumerationAndroid.getDeviceName(0);
        String frontCameraDeviceName = CameraEnumerationAndroid.getNameOfFrontFacingDevice();
        String backCameraDeviceName = CameraEnumerationAndroid.getNameOfBackFacingDevice();

        // If current camera is set to front and the device has one
        if (currentCameraPosition==NBMCameraPosition.FRONT && frontCameraDeviceName!=null) {
            cameraDeviceName = frontCameraDeviceName;
        }
        // If current camera is set to back and the device has one
        else if (currentCameraPosition==NBMCameraPosition.BACK && backCameraDeviceName!=null) {
            cameraDeviceName = backCameraDeviceName;
        }
        // If current camera is set to any then we pick the first camera of the device, which
        // should be a back-facing camera according to libjingle API
        else {
            cameraDeviceName = CameraEnumerationAndroid.getDeviceName(0);
            currentCameraPosition = NBMCameraPosition.BACK;
        }

        Log.d(TAG, "Opening camera: " + cameraDeviceName);
        videoCapturer = VideoCapturerAndroid.create(cameraDeviceName, null);
        if (videoCapturer == null) {
            Log.d(TAG, "Error while opening camera");
            return;
        }
        localMediaStream.addTrack(createCapturerVideoTrack(videoCapturer));
    }

    // Create audio track
    localMediaStream.addTrack(factory.createAudioTrack(AUDIO_TRACK_ID, factory.createAudioSource(audioConstraints)));

    Log.d(TAG, "Local media stream created.");
}