Java 类org.webrtc.videoengine.VideoCaptureDeviceInfoAndroid 实例源码

@Override
public void Init(VideoCaptureDeviceInfoAndroid deviceInfoAndroid,
        List<AndroidVideoCaptureDevice> listToPopulate)
        throws SecurityException,
        IllegalArgumentException, NoSuchMethodException, ClassNotFoundException,
        IllegalAccessException, InvocationTargetException {

    Camera camera = null;

    // From Android 2.3 and onwards
    for (int i = 0; i < Camera.getNumberOfCameras(); ++i) {
        AndroidVideoCaptureDevice newDevice = deviceInfoAndroid.new AndroidVideoCaptureDevice();

        Camera.CameraInfo info = new Camera.CameraInfo();
        Camera.getCameraInfo(i, info);
        newDevice.index = i;
        newDevice.orientation = info.orientation;
        if (info.facing == Camera.CameraInfo.CAMERA_FACING_BACK) {
            newDevice.deviceUniqueName =
                    "Camera " + i + ", Facing back, Orientation " + info.orientation;
        }
        else {
            newDevice.deviceUniqueName =
                    "Camera " + i + ", Facing front, Orientation " + info.orientation;
            newDevice.frontCameraType = FrontFacingCameraType.Android23;
        }

        camera = Camera.open(i);
        Camera.Parameters parameters = camera.getParameters();
        deviceInfoAndroid.AddDeviceInfo(newDevice, parameters);
        camera.release();
        camera = null;
        listToPopulate.add(newDevice);
    }
}

@Override
public void Init(VideoCaptureDeviceInfoAndroid deviceInfoAndroid,
        List<AndroidVideoCaptureDevice> listToPopulate) throws SecurityException,
        IllegalArgumentException, NoSuchMethodException, ClassNotFoundException,
        IllegalAccessException, InvocationTargetException {
    // TODO Auto-generated method stub

}

@Override
public List<VideoCaptureDeviceInfo> getVideoCaptureDevices(Context ctxt) {
    VideoCaptureDeviceInfoAndroid deviceInfoAndroid = VideoCaptureDeviceInfoAndroid.CreateVideoCaptureDeviceInfoAndroid(0, ctxt);
    List<VideoCaptureDeviceInfo> arr = new ArrayList<VideoCaptureDeviceInfo>();
    if(deviceInfoAndroid == null) {
        return arr;
    }
    int i;
    for(i = 0; i < deviceInfoAndroid.NumberOfDevices(); i++) {
        String deviceName = deviceInfoAndroid.GetDeviceUniqueName(i);
        CaptureCapabilityAndroid[] caps = deviceInfoAndroid.GetCapabilityArray(deviceName);
        VideoCaptureDeviceInfo vcdi = new VideoCaptureDeviceInfo();
        int orientation = deviceInfoAndroid.GetOrientation(deviceName);
        boolean invertWidthHeight = false;
        if(orientation == 90 || orientation == 270) {
            invertWidthHeight = true;
        }

        for(CaptureCapabilityAndroid cap : caps) {
            VideoCaptureCapability vcc = new VideoCaptureCapability();
            vcc.height = invertWidthHeight ? cap.width : cap.height;
            vcc.width = invertWidthHeight ? cap.height : cap.width;
            vcc.fps = cap.maxFPS;
            vcdi.capabilities.add(vcc);
        }

        CaptureCapabilityAndroid bcap = deviceInfoAndroid.GetBestCapability(deviceName);
        if(bcap != null) {
            vcdi.bestCapability = new VideoCaptureCapability();
            vcdi.bestCapability.width = invertWidthHeight ? bcap.width : bcap.width;
            vcdi.bestCapability.height = invertWidthHeight ? bcap.height : bcap.height;
            vcdi.bestCapability.fps = bcap.maxFPS;
        }

        arr.add(vcdi);
    }

    return arr;
}

/**
 * Init the camera list
 * @param deviceInfoAndroid the VideoCaptureDeviceInfoAndroid instance
 * @param listToPopulate List to be populated with detected devices
 * @throws SecurityException
 * @throws IllegalArgumentException
 * @throws NoSuchMethodException
 * @throws ClassNotFoundException
 * @throws IllegalAccessException
 * @throws InvocationTargetException
 */
public abstract void Init(VideoCaptureDeviceInfoAndroid deviceInfoAndroid,
        List<AndroidVideoCaptureDevice> listToPopulate) throws SecurityException,
        IllegalArgumentException, NoSuchMethodException, ClassNotFoundException,
        IllegalAccessException, InvocationTargetException;