android.hardware.camera2.params.StreamConfigurationMap Java Exaples

Source File: VIACamera.java From VIA-AI with MIT License

8 votes

@TargetApi(21)
public static Size[] querySupportResolution(Context context, int index) {
    CameraManager manager =
            (CameraManager)context.getSystemService(CAMERA_SERVICE);
    try {
        CameraCharacteristics chars
                = manager.getCameraCharacteristics(index+"");

        StreamConfigurationMap configurationMap = chars.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);

        return configurationMap.getOutputSizes(ImageFormat.YUV_420_888);

    } catch(CameraAccessException e){
        e.printStackTrace();
    }
    return null;
}

Source File: Helper.java From VIA-AI with MIT License

8 votes

public void forceScanAllCameras(Activity activity) {
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        String[] idList = manager.getCameraIdList();

        int maxCameraCnt = idList.length;

        for (int index = 0; index < maxCameraCnt; index++) {
            String cameraId = manager.getCameraIdList()[index];
            CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
            StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        }
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }

}

Source File: Camera2Proxy.java From CameraDemo with Apache License 2.0

6 votes

@SuppressLint("MissingPermission")
public void openCamera(int width, int height) {
    Log.v(TAG, "openCamera");
    startBackgroundThread(); // 对应 releaseCamera() 方法中的 stopBackgroundThread()
    mOrientationEventListener.enable();
    try {
        mCameraCharacteristics = mCameraManager.getCameraCharacteristics(Integer.toString(mCameraId));
        StreamConfigurationMap map = mCameraCharacteristics.get(CameraCharacteristics
                .SCALER_STREAM_CONFIGURATION_MAP);
        // 拍照大小，选择能支持的一个最大的图片大小
        Size largest = Collections.max(Arrays.asList(map.getOutputSizes(ImageFormat.JPEG)), new
                CompareSizesByArea());
        Log.d(TAG, "picture size: " + largest.getWidth() + "*" + largest.getHeight());
        mImageReader = ImageReader.newInstance(largest.getWidth(), largest.getHeight(), ImageFormat.JPEG, 2);
        // 预览大小，根据上面选择的拍照图片的长宽比，选择一个和控件长宽差不多的大小
        mPreviewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), width, height, largest);
        Log.d(TAG, "preview size: " + mPreviewSize.getWidth() + "*" + mPreviewSize.getHeight());
        // 打开摄像头
        mCameraManager.openCamera(Integer.toString(mCameraId), mStateCallback, mBackgroundHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

Source File: CameraFragment.java From SnapchatClone with MIT License

6 votes

private void setupCamera(int width, int height) {
    try {
        for (String camId: cameraManager.getCameraIdList()) {
            CameraCharacteristics cameraCharacteristics = cameraManager.getCameraCharacteristics(camId);
            if (cameraCharacteristics.get(CameraCharacteristics.LENS_FACING) == cameraFacing) {
                StreamConfigurationMap streamConfigurationMap = cameraCharacteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
                previewSize = chooseOptimalSize(streamConfigurationMap.getOutputSizes(SurfaceTexture.class),
                        streamConfigurationMap.getOutputSizes(ImageFormat.JPEG), width, height);
                cameraId = camId;
                return;
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Source File: Camera2Proxy.java From mobile-ar-sensor-logger with GNU General Public License v3.0

6 votes

public Size configureCamera(int width, int height) {
    try {
        mCameraIdStr = CameraUtils.getRearCameraId(mCameraManager);
        mCameraCharacteristics = mCameraManager.getCameraCharacteristics(mCameraIdStr);
        sensorArraySize = mCameraCharacteristics.get(
                CameraCharacteristics.SENSOR_INFO_ACTIVE_ARRAY_SIZE);

        StreamConfigurationMap map = mCameraCharacteristics.get(CameraCharacteristics
                .SCALER_STREAM_CONFIGURATION_MAP);
        mVideoSize = CameraUtils.chooseVideoSize(
                map.getOutputSizes(MediaRecorder.class), width, height, width);

        mFocalLengthHelper.setLensParams(mCameraCharacteristics);
        mFocalLengthHelper.setmImageSize(mVideoSize);

        mPreviewSize = CameraUtils.chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class),
                width, height, mVideoSize);
        Log.d(TAG, "Video size " + mVideoSize.toString() +
                " preview size " + mPreviewSize.toString());

    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
    return mPreviewSize;
}

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

6 votes

/**
 * @return The largest supported picture size.
 */
public Size getDefaultPictureSize()
{
    StreamConfigurationMap configs =
            mCharacteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
    android.util.Size[] supportedSizes = configs.getOutputSizes(sCaptureImageFormat);

    // Find the largest supported size.
    android.util.Size largestSupportedSize = supportedSizes[0];
    long largestSupportedSizePixels =
            largestSupportedSize.getWidth() * largestSupportedSize.getHeight();
    for (int i = 0; i < supportedSizes.length; i++)
    {
        long numPixels = supportedSizes[i].getWidth() * supportedSizes[i].getHeight();
        if (numPixels > largestSupportedSizePixels)
        {
            largestSupportedSize = supportedSizes[i];
            largestSupportedSizePixels = numPixels;
        }
    }

    return new Size(largestSupportedSize.getWidth(), largestSupportedSize.getHeight());
}

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

6 votes

@Override
public List<Size> getSupportedPictureSizes(int imageFormat)
{
    StreamConfigurationMap configMap;
    try
    {
        configMap = mCameraCharacteristics.get(
                CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
    } catch (Exception ex)
    {
        Log.e(TAG, "Unable to obtain picture sizes.", ex);
        // See b/19623115   where java.lang.AssertionError can be thrown due to HAL error
        return new ArrayList<>(0);
    }

    ArrayList<Size> supportedPictureSizes = new ArrayList<>();
    for (android.util.Size androidSize : configMap.getOutputSizes(imageFormat))
    {
        supportedPictureSizes.add(new Size(androidSize));
    }
    return supportedPictureSizes;
}

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

6 votes

@Override
public List<Size> getSupportedPreviewSizes()
{
    StreamConfigurationMap configMap;
    try
    {
        configMap = mCameraCharacteristics.get(
                CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
    } catch (Exception ex)
    {
        Log.e(TAG, "Unable to obtain preview sizes.", ex);
        // See b/19623115   where java.lang.AssertionError can be thrown due to HAL error
        return new ArrayList<>(0);
    }
    ArrayList<Size> supportedPictureSizes = new ArrayList<>();
    for (android.util.Size androidSize : configMap.getOutputSizes(SurfaceTexture.class))
    {
        supportedPictureSizes.add(new Size(androidSize));
    }
    return supportedPictureSizes;
}

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

6 votes

/**
 * @return The largest supported picture size.
 */
public Size getDefaultPictureSize()
{
    StreamConfigurationMap configs = mCharacteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
    android.util.Size[] supportedSizes = configs.getOutputSizes(sCaptureImageFormat);

    // Find the largest supported size.
    android.util.Size largestSupportedSize = supportedSizes[0];
    long largestSupportedSizePixels = largestSupportedSize.getWidth() * largestSupportedSize.getHeight();
    for (int i = 1; i < supportedSizes.length; i++)
    {
        long numPixels = supportedSizes[i].getWidth() * supportedSizes[i].getHeight();
        if (numPixels > largestSupportedSizePixels)
        {
            largestSupportedSize = supportedSizes[i];
            largestSupportedSizePixels = numPixels;
        }
    }
    return new Size(largestSupportedSize.getWidth(), largestSupportedSize.getHeight());
}

Source File: Camera2Helper.java From DeviceConnect-Android with MIT License

6 votes

/**
 * カメラID に対応したカメラデバイスがサポートしている写真サイズのリストを取得します.
 *
 * @param cameraManager カメラマネージャ
 * @param cameraId カメラID
 * @return サポートしている写真サイズのリスト
 */
@NonNull
static List<Size> getSupportedPictureSizes(final CameraManager cameraManager, final String cameraId) {
    List<Size> pictureSizes = new ArrayList<>();
    try {
        CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        if(map != null) {
            pictureSizes = Arrays.asList(map.getOutputSizes(ImageFormat.JPEG));
            Collections.sort(pictureSizes, SIZE_COMPARATOR);
        }
    } catch (CameraAccessException e) {
        // ignore.
    }
    return pictureSizes;
}

Source File: Camera2Controller.java From pixelvisualcorecamera with Apache License 2.0

6 votes

public Size[] getSupportedPictureSizes(String cameraId) {
  Size[] outputSizes = null;
  CameraManager manager = (CameraManager) context.getSystemService(Context.CAMERA_SERVICE);
  try {
    CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
    StreamConfigurationMap map = characteristics.get(
        CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
    if (map != null) {
      outputSizes = map.getOutputSizes(ImageFormat.JPEG);
    }
  } catch (CameraAccessException e) {
    Log.w(TAG, e);
  }

  return outputSizes;
}

Source File: CameraImplV2.java From habpanelviewer with GNU General Public License v3.0

6 votes

@Override
public void setDeviceRotation(int deviceOrientation) {
    mDeviceOrientation = deviceOrientation;

    // configure transform if preview is running only
    if (isPreviewRunning()) {
        try {
            CameraCharacteristics characteristics = mCamManager.getCameraCharacteristics(mCamera.getId());

            StreamConfigurationMap map = characteristics.get(
                    CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
            if (map == null) {
                Log.w(TAG, "Could not find a valid preview size");
            } else {
                final Point previewSize = chooseOptimalSize(toPointArray(map.getOutputSizes(ImageFormat.YUV_420_888)));
                setDeviceOrientation(previewSize);
            }
        } catch (CameraAccessException e) {
            Log.e(TAG, "Failed to set device orientation", e);
        }
    }
}

Source File: Camera2Utils.java From libcommon with Apache License 2.0

6 votes

/**
 * 指定した条件に合う解像度を選択する
 * @param manager
 * @param cameraId
 * @param targetFace
 * @param width
 * @param height
 * @param degrees
 * @return
 * @throws CameraAccessException
 */
public static CameraConst.CameraInfo chooseOptimalSize(
	@NonNull final CameraManager manager,
	final String cameraId, @CameraConst.FaceType final int targetFace,
	final int width, final int height, final int degrees)
		throws CameraAccessException {

	if (DEBUG) Log.v(TAG,
		String.format("chooseOptimalSize:Size(%dx%d),targetFace=%d,degrees=%d",
			width, height, targetFace, degrees));

	final CameraCharacteristics characteristics
		= manager.getCameraCharacteristics(cameraId);
	final StreamConfigurationMap map = characteristics.get(
			CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
	final Size previewSize
		= chooseOptimalSize(characteristics, map, width, height, degrees);
	final int orientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
	if (!TextUtils.isEmpty(cameraId) && (previewSize != null)) {
		return new CameraConst.CameraInfo(cameraId, targetFace, orientation,
			previewSize.getWidth(), previewSize.getHeight());
	}
	return null;
}

Source File: Camera2Helper.java From CameraCompat with MIT License

6 votes

@Override
protected List<PreviewSize> getSupportedSize() {
    try {
        CameraCharacteristics characteristics = mCameraManager.getCameraCharacteristics(
                getCurrentCameraId());
        StreamConfigurationMap map =
                characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        if (map == null) {
            return Collections.singletonList(new PreviewSize(mPreviewWidth, mPreviewHeight));
        }
        Size[] supportedSize = map.getOutputSizes(SurfaceTexture.class);
        if (supportedSize == null || supportedSize.length == 0) {
            return Collections.singletonList(new PreviewSize(mPreviewWidth, mPreviewHeight));
        }
        List<PreviewSize> results = new ArrayList<>();
        for (Size size : supportedSize) {
            results.add(new PreviewSize(size.getWidth(), size.getHeight()));
        }
        return results;
    } catch (CameraAccessException e) {
        throw new CameraAccessError();
    }
}

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

6 votes

/**
 * <p>Collects some information from {@link #mCameraCharacteristics}.</p>
 * <p>This rewrites {@link #mPreviewSizes}, {@link #mPictureSizes}, and optionally,
 * {@link #mAspectRatio}.</p>
 */
private void collectCameraInfo() {
    StreamConfigurationMap map = mCameraCharacteristics.get(
            CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
    if (map == null) {
        throw new IllegalStateException("Failed to get configuration map: " + mCameraId);
    }
    mPreviewSizes.clear();
    for (android.util.Size size : map.getOutputSizes(mPreview.getOutputClass())) {
        mPreviewSizes.add(new Size(size.getWidth(), size.getHeight()));
    }
    mPictureSizes.clear();
    collectPictureSizes(mPictureSizes, map);

    if (!mPreviewSizes.ratios().contains(mAspectRatio)) {
        mAspectRatio = mPreviewSizes.ratios().iterator().next();
    }
}

Source File: Camera2Helper.java From DeviceConnect-Android with MIT License

6 votes

/**
 * カメラID に対応したカメラデバイスがサポートしているプレビューサイズのリストを取得します.
 *
 * @param cameraManager カメラマネージャ
 * @param cameraId カメラID
 * @return サポートしているプレビューサイズのリスト
 */
@NonNull
public static List<Size> getSupportedPreviewSizes(final CameraManager cameraManager, final String cameraId) {
    List<Size> previewSizes = new ArrayList<>();
    try {
        CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        if (map != null) {
            previewSizes = Arrays.asList(map.getOutputSizes(SurfaceTexture.class));
            Collections.sort(previewSizes, SizeComparator);
        }
    } catch (CameraAccessException e) {
        // ignore.
    }
    return previewSizes;
}

Source File: Camera2Helper.java From DeviceConnect-Android with MIT License

6 votes

/**
 * カメラID に対応したカメラデバイスがサポートしている写真サイズのリストを取得します.
 *
 * @param cameraManager カメラマネージャ
 * @param cameraId カメラID
 * @return サポートしている写真サイズのリスト
 */
@NonNull
public static List<Size> getSupportedPictureSizes(final CameraManager cameraManager, final String cameraId) {
    List<Size> pictureSizes = new ArrayList<>();
    try {
        CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        if(map != null) {
            pictureSizes = Arrays.asList(map.getOutputSizes(ImageFormat.YUV_420_888));
            Collections.sort(pictureSizes, SizeComparator);
        }
    } catch (CameraAccessException e) {
        // ignore.
    }
    return pictureSizes;
}

Source File: Camera2Helper.java From DeviceConnect-Android with MIT License

6 votes

/**
 * カメラID に対応したカメラデバイスがサポートしているプレビューサイズのリストを取得します.
 *
 * @param cameraManager カメラマネージャ
 * @param cameraId カメラID
 * @return サポートしているプレビューサイズのリスト
 */
@NonNull
static List<Size> getSupportedPreviewSizes(final CameraManager cameraManager, final String cameraId) {
    List<Size> previewSizes = new ArrayList<>();
    try {
        CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        if (map != null) {
            previewSizes = Arrays.asList(map.getOutputSizes(SurfaceTexture.class));
            Collections.sort(previewSizes, SizeComparator);
        }
    } catch (CameraAccessException e) {
        // ignore.
    }
    return previewSizes;
}

Source File: Camera2ApiManager.java From rtmp-rtsp-stream-client-java with Apache License 2.0

6 votes

public Size[] getCameraResolutions(Facing facing) {
  try {
    CameraCharacteristics characteristics = getCharacteristicsForFacing(cameraManager, facing);
    if (characteristics == null) {
      return new Size[0];
    }

    StreamConfigurationMap streamConfigurationMap =
        characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
    Size[] outputSizes = streamConfigurationMap.getOutputSizes(SurfaceTexture.class);
    return outputSizes != null ? outputSizes : new Size[0];
  } catch (CameraAccessException | NullPointerException e) {
    Log.e(TAG, "Error", e);
    return new Size[0];
  }
}

Source File: Camera2Helper.java From DeviceConnect-Android with MIT License

6 votes

/**
 * カメラID に対応したカメラデバイスがサポートしている写真サイズのリストを取得します.
 *
 * @param cameraManager カメラマネージャ
 * @param cameraId カメラID
 * @return サポートしている写真サイズのリスト
 */
@NonNull
static List<Size> getSupportedPictureSizes(final CameraManager cameraManager, final String cameraId) {
    List<Size> pictureSizes = new ArrayList<>();
    try {
        CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        if(map != null) {
            pictureSizes = Arrays.asList(map.getOutputSizes(ImageFormat.JPEG));
            Collections.sort(pictureSizes, SizeComparator);
        }
    } catch (CameraAccessException e) {
        // ignore.
    }
    return pictureSizes;
}

Source File: SettingsPreferenceActivity.java From DeviceConnect-Android with MIT License

6 votes

/**
 * カメラID に対応したカメラデバイスがサポートしているプレビューサイズのリストを取得します.
 *
 * @param cameraManager カメラマネージャ
 * @param cameraId カメラID
 * @return サポートしているプレビューサイズのリスト
 */
@NonNull
private static List<Size> getSupportedPreviewSizes(final CameraManager cameraManager, final String cameraId) {
    List<Size> previewSizes = new ArrayList<>();
    try {
        CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        if (map != null) {
            previewSizes = Arrays.asList(map.getOutputSizes(SurfaceTexture.class));
            Collections.sort(previewSizes, SIZE_COMPARATOR);
        }
    } catch (CameraAccessException e) {
        // ignore.
    }
    return previewSizes;
}

Source File: Camera2Helper.java From DeviceConnect-Android with MIT License

6 votes

/**
 * カメラID に対応したカメラデバイスがサポートしているプレビューサイズのリストを取得します.
 *
 * @param cameraManager カメラマネージャ
 * @param cameraId カメラID
 * @return サポートしているプレビューサイズのリスト
 */
@NonNull
static List<Size> getSupportedPreviewSizes(final CameraManager cameraManager, final String cameraId) {
    List<Size> previewSizes = new ArrayList<>();
    try {
        CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        if (map != null) {
            previewSizes = Arrays.asList(map.getOutputSizes(SurfaceTexture.class));
            Collections.sort(previewSizes, SIZE_COMPARATOR);
        }
    } catch (CameraAccessException e) {
        // ignore.
    }
    return previewSizes;
}

Source File: CameraActivity.java From next18-ai-in-motion with Apache License 2.0

5 votes

private String chooseCamera() {
    final CameraManager manager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {
        for (final String cameraId : manager.getCameraIdList()) {
            final CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);

            // We don't use a front facing camera in this sample.
            final Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
            if (facing != null && facing == CameraCharacteristics.LENS_FACING_FRONT) {
                continue;
            }

            final StreamConfigurationMap map =
                    characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);

            if (map == null) {
                continue;
            }

            // Fallback to camera1 API for internal cameras that don't have full support.
            // This should help with legacy situations where using the camera2 API causes
            // distorted or otherwise broken previews.
            useCamera2API = (facing == CameraCharacteristics.LENS_FACING_EXTERNAL)
                    || isHardwareLevelSupported(characteristics,
                    CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_FULL);
            return cameraId;
        }
    } catch (CameraAccessException e) {
        Log.e("CameraAccessException", "Not allowed to access camera" + e.toString());
    }

    return null;
}

Source File: BaseCameraActivity.java From fritz-examples with MIT License

5 votes

private String chooseCamera() {
    final CameraManager manager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {
        for (final String cameraId : manager.getCameraIdList()) {
            final CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);

            // We don't use a front facing camera in this sample.
            final Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
            if (facing != null && facing != cameraFacingDirection) {
                continue;
            }

            final StreamConfigurationMap map =
                    characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);

            if (map == null) {
                continue;
            }

            // Fallback to camera1 API for internal cameras that don't have full support.
            // This should help with legacy situations where using the camera2 API causes
            // distorted or otherwise broken previews.
            useCamera2API = (facing == CameraCharacteristics.LENS_FACING_EXTERNAL)
                    || isHardwareLevelSupported(characteristics,
                    CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_FULL);
            Log.i(TAG, "Camera API lv2?: " + useCamera2API);
            return cameraId;
        }
    } catch (CameraAccessException e) {
        Log.e(TAG, "Not allowed to access camera: " + e);
    }

    return null;
}

Source File: BaseCameraActivity.java From fritz-examples with MIT License

5 votes

private String chooseCamera() {
    final CameraManager manager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {
        for (final String cameraId : manager.getCameraIdList()) {
            final CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);

            // We don't use a front facing camera in this sample.
            final Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
            if (facing != null && facing == CameraCharacteristics.LENS_FACING_FRONT) {
                continue;
            }

            final StreamConfigurationMap map =
                    characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);

            if (map == null) {
                continue;
            }

            // Fallback to camera1 API for internal cameras that don't have full support.
            // This should help with legacy situations where using the camera2 API causes
            // distorted or otherwise broken previews.
            useCamera2API = (facing == CameraCharacteristics.LENS_FACING_EXTERNAL)
                    || isHardwareLevelSupported(characteristics,
                    CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_FULL);
            Log.i(TAG, "Camera API lv2?: " + useCamera2API);
            return cameraId;
        }
    } catch (CameraAccessException e) {
        Log.e(TAG, "Not allowed to access camera: " + e);
    }

    return null;
}

Source File: BaseCameraActivity.java From fritz-examples with MIT License

5 votes

private String chooseCamera() {
    final CameraManager manager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {
        for (final String cameraId : manager.getCameraIdList()) {
            final CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);

            // We don't use a front facing camera in this sample.
            final Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
            if (facing != null && facing == CameraCharacteristics.LENS_FACING_FRONT) {
                continue;
            }

            final StreamConfigurationMap map =
                    characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);

            if (map == null) {
                continue;
            }

            // Fallback to camera1 API for internal cameras that don't have full support.
            // This should help with legacy situations where using the camera2 API causes
            // distorted or otherwise broken previews.
            useCamera2API = (facing == CameraCharacteristics.LENS_FACING_EXTERNAL)
                    || isHardwareLevelSupported(characteristics,
                    CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_FULL);
            Log.i(TAG, "Camera API lv2?: " + useCamera2API);
            return cameraId;
        }
    } catch (CameraAccessException e) {
        Log.e(TAG, "Not allowed to access camera: " + e);
    }

    return null;
}

Source File: BaseCameraActivity.java From fritz-examples with MIT License

5 votes

private String chooseCamera() {
    final CameraManager manager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {
        for (final String cameraId : manager.getCameraIdList()) {
            final CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);

            // We don't use a front facing camera in this sample.
            final Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
            if (facing != null && facing == CameraCharacteristics.LENS_FACING_FRONT) {
                continue;
            }

            final StreamConfigurationMap map =
                    characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);

            if (map == null) {
                continue;
            }

            // Fallback to camera1 API for internal cameras that don't have full support.
            // This should help with legacy situations where using the camera2 API causes
            // distorted or otherwise broken previews.
            useCamera2API = (facing == CameraCharacteristics.LENS_FACING_EXTERNAL)
                    || isHardwareLevelSupported(characteristics,
                    CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_FULL);
            Log.i(TAG, "Camera API lv2?: " + useCamera2API);
            return cameraId;
        }
    } catch (CameraAccessException e) {
        Log.e(TAG, "Not allowed to access camera: " + e);
    }

    return null;
}

Source File: BaseCameraActivity.java From fritz-examples with MIT License

5 votes

private String chooseCamera() {
    final CameraManager manager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {
        for (final String cameraId : manager.getCameraIdList()) {
            final CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);

            // We don't use a front facing camera in this sample.
            final Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
            if (facing != null && facing == CameraCharacteristics.LENS_FACING_FRONT) {
                continue;
            }

            final StreamConfigurationMap map =
                    characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);

            if (map == null) {
                continue;
            }

            // Fallback to camera1 API for internal cameras that don't have full support.
            // This should help with legacy situations where using the camera2 API causes
            // distorted or otherwise broken previews.
            useCamera2API = (facing == CameraCharacteristics.LENS_FACING_EXTERNAL)
                    || isHardwareLevelSupported(characteristics,
                    CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_FULL);
            Log.i(TAG, "Camera API lv2?: " + useCamera2API);
            return cameraId;
        }
    } catch (CameraAccessException e) {
        Log.e(TAG, "Not allowed to access camera: " + e);
    }

    return null;
}

Source File: CameraConfig.java From AndroidDemo with MIT License

5 votes

private Size calculationSize(StreamConfigurationMap map) {
        if (map != null) {
            return Collections.max(Arrays.asList(map.getOutputSizes(ImageFormat.JPEG)),
                    new Comparator<Size>() {
                        @Override
                        public int compare(Size lhs, Size rhs) {
//                            return Long.signum((long) rhs.getWidth() * rhs.getHeight() -
//                                    (long) lhs.getWidth() * lhs.getHeight());
                            return Long.signum((long) lhs.getWidth() * lhs.getHeight() -
                                    (long) rhs.getWidth() * rhs.getHeight());
                        }
                    });
        }
        return null;
    }

Source File: BaseCameraActivity.java From fritz-examples with MIT License

5 votes

private String chooseCamera() {
    final CameraManager manager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {
        for (final String cameraId : manager.getCameraIdList()) {
            final CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);

            // We don't use a front facing camera in this sample.
            final Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
            if (facing != null && facing != cameraFacingDirection) {
                continue;
            }

            final StreamConfigurationMap map =
                    characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);

            if (map == null) {
                continue;
            }

            // Fallback to camera1 API for internal cameras that don't have full support.
            // This should help with legacy situations where using the camera2 API causes
            // distorted or otherwise broken previews.
            useCamera2API = (facing == CameraCharacteristics.LENS_FACING_EXTERNAL)
                    || isHardwareLevelSupported(characteristics,
                    CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_FULL);
            Log.i(TAG, "Camera API lv2?: " + useCamera2API);
            return cameraId;
        }
    } catch (CameraAccessException e) {
        Log.e(TAG, "Not allowed to access camera: " + e);
    }

    return null;
}

android.hardware.camera2.params.StreamConfigurationMap Java Examples