Java Code Examples for android.hardware.camera2.CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY

The following examples show how to use android.hardware.camera2.CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: CameraInfo.java From MobileInfo with Apache License 2.0

6 votes

private static String getLevel(Integer level) {
    if (level == null) {
        return UNKNOWN;
    }
    switch (level) {
        case CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY:
            return "LEGACY";
        case CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_3:
            return "LEVEL_3";
        case CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_EXTERNAL:
            return "EXTERNAL";
        case CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_FULL:
            return "FULL";
        case CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED:
            return "LIMITED";
        default:
            return UNKNOWN + "-" + level;
    }
}

Example 2

Source File: Camera2Enumerator.java From VideoCRE with MIT License

6 votes

/**
 * Checks if API is supported and all cameras have better than legacy support.
 */
public static boolean isSupported(Context context) {
  if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
    return false;
  }

  CameraManager cameraManager = (CameraManager) context.getSystemService(Context.CAMERA_SERVICE);
  try {
    String[] cameraIds = cameraManager.getCameraIdList();
    for (String id : cameraIds) {
      CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(id);
      if (characteristics.get(CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL)
          == CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY) {
        return false;
      }
    }
    // On Android OS pre 4.4.2, a class will not load because of VerifyError if it contains a
    // catch statement with an Exception from a newer API, even if the code is never executed.
    // https://code.google.com/p/android/issues/detail?id=209129
  } catch (/* CameraAccessException */ AndroidException e) {
    Logging.e(TAG, "Camera access exception: " + e);
    return false;
  }
  return true;
}

Example 3

Source File: Camera2Source.java From Machine-Learning-Projects-for-Mobile-Applications with MIT License

6 votes

public boolean isCamera2Native() {
    try {
        if (ContextCompat.checkSelfPermission(mContext, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
            return false;
        }
        manager = (CameraManager) mContext.getSystemService(Context.CAMERA_SERVICE);
        mCameraId = manager.getCameraIdList()[mFacing];
        CameraCharacteristics characteristics = manager.getCameraCharacteristics(mCameraId);
        //CHECK CAMERA HARDWARE LEVEL. IF CAMERA2 IS NOT NATIVELY SUPPORTED, GO BACK TO CAMERA1
        Integer deviceLevel = characteristics.get(CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL);
        return deviceLevel != null && (deviceLevel != CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY);
    } catch (CameraAccessException ex) {
        return false;
    } catch (NullPointerException e) {
        return false;
    } catch (ArrayIndexOutOfBoundsException ez) {
        return false;
    }
}

Example 4

Source File: OneCameraCharacteristicsImpl.java From Camera2 with Apache License 2.0

6 votes

@Override
public SupportedHardwareLevel getSupportedHardwareLevel()
{
    Integer supportedHardwareLevel = mCameraCharacteristics
            .get(CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL);
    // If this fails, it is a framework bug, per API documentation.
    checkNotNull(supportedHardwareLevel, "INFO_SUPPORTED_HARDWARE_LEVEL not found");
    switch (supportedHardwareLevel)
    {
        case CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_FULL:
            return SupportedHardwareLevel.FULL;
        case CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED:
            return SupportedHardwareLevel.LIMITED;
        case CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY:
            return SupportedHardwareLevel.LEGACY;
        default:
            if (supportedHardwareLevel >
                    CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_FULL)
            {
                Log.i(TAG, "Unknown higher hardware level mapped to FULL: "
                        + supportedHardwareLevel);
                return SupportedHardwareLevel.FULL;
            }
            throw new IllegalStateException("Invalid value for INFO_SUPPORTED_HARDWARE_LEVEL");
    }
}

Example 5

Source File: AndroidCamera2AgentImpl.java From Camera2 with Apache License 2.0

6 votes

@Override
public void onOpened(CameraDevice camera) {
    mCamera = camera;
    if (mOpenCallback != null) {
        try {
            CameraCharacteristics props =
                    mCameraManager.getCameraCharacteristics(mCameraId);
            CameraDeviceInfo.Characteristics characteristics =
                    getCameraDeviceInfo().getCharacteristics(mCameraIndex);
            mCameraProxy = new AndroidCamera2ProxyImpl(AndroidCamera2AgentImpl.this,
                    mCameraIndex, mCamera, characteristics, props);
            mPersistentSettings = new Camera2RequestSettingsSet();
            mActiveArray =
                    props.get(CameraCharacteristics.SENSOR_INFO_ACTIVE_ARRAY_SIZE);
            mLegacyDevice =
                    props.get(CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL) ==
                            CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY;
            changeState(AndroidCamera2StateHolder.CAMERA_UNCONFIGURED);
            mOpenCallback.onCameraOpened(mCameraProxy);
        } catch (CameraAccessException ex) {
            mOpenCallback.onDeviceOpenFailure(mCameraIndex,
                    generateHistoryString(mCameraIndex));
        }
    }
}

Example 6

Source File: CameraActivity.java From tensorflow-classifier-android with Apache License 2.0

5 votes

private boolean isHardwareLevelSupported(
    CameraCharacteristics characteristics, int requiredLevel) {
  int deviceLevel = characteristics.get(CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL);
  if (deviceLevel == CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY) {
    return requiredLevel == deviceLevel;
  }
  // deviceLevel is not LEGACY, can use numerical sort
  return requiredLevel <= deviceLevel;
}

Example 7