Examples with CameraAccessException android.hardware.camera2.CameraAccessException used on opensource projects

Example 1 with CameraAccessException

use of android.hardware.camera2.CameraAccessException in project material-camera by afollestad.

the class Camera2Fragment method startPreview.

private void startPreview() {
    if (null == mCameraDevice || !mTextureView.isAvailable() || null == mPreviewSize)
        return;
    try {
        if (!mInterface.useStillshot()) {
            if (!setUpMediaRecorder()) {
                return;
            }
        }
        SurfaceTexture texture = mTextureView.getSurfaceTexture();
        assert texture != null;
        texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());
        List<Surface> surfaces = new ArrayList<>();
        Surface previewSurface = new Surface(texture);
        surfaces.add(previewSurface);
        if (mInterface.useStillshot()) {
            mPreviewBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
            mPreviewBuilder.addTarget(previewSurface);
            surfaces.add(mImageReader.getSurface());
        } else {
            mPreviewBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_RECORD);
            mPreviewBuilder.addTarget(previewSurface);
            Surface recorderSurface = mMediaRecorder.getSurface();
            surfaces.add(recorderSurface);
            mPreviewBuilder.addTarget(recorderSurface);
        }
        mCameraDevice.createCaptureSession(surfaces, new CameraCaptureSession.StateCallback() {

            @Override
            public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
                if (mCameraDevice == null) {
                    return;
                }
                mPreviewSession = cameraCaptureSession;
                updatePreview();
            }

            @Override
            public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
                throwError(new Exception("Camera configuration failed"));
            }
        }, mBackgroundHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

Example 2 with CameraAccessException

use of android.hardware.camera2.CameraAccessException in project platform_frameworks_base by android.

the class FlashlightController method getCameraId.

private String getCameraId() throws CameraAccessException {
    String[] ids = mCameraManager.getCameraIdList();
    for (String id : ids) {
        CameraCharacteristics c = mCameraManager.getCameraCharacteristics(id);
        Boolean flashAvailable = c.get(CameraCharacteristics.FLASH_INFO_AVAILABLE);
        Integer lensFacing = c.get(CameraCharacteristics.LENS_FACING);
        if (flashAvailable != null && flashAvailable && lensFacing != null && lensFacing == CameraCharacteristics.LENS_FACING_BACK) {
            return id;
        }
    }
    return null;
}

Example 3 with CameraAccessException

use of android.hardware.camera2.CameraAccessException in project platform_frameworks_base by android.

the class CameraTestUtils method getSupportedSizeForFormat.

/**
     * Get the available output sizes for the user-defined {@code format}.
     *
     * <p>Note that implementation-defined/hidden formats are not supported.</p>
     */
public static Size[] getSupportedSizeForFormat(int format, String cameraId, CameraManager cameraManager) throws CameraAccessException {
    CameraCharacteristics properties = cameraManager.getCameraCharacteristics(cameraId);
    assertNotNull("Can't get camera characteristics!", properties);
    if (VERBOSE) {
        Log.v(TAG, "get camera characteristics for camera: " + cameraId);
    }
    StreamConfigurationMap configMap = properties.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
    Size[] availableSizes = configMap.getOutputSizes(format);
    assertArrayNotEmpty(availableSizes, "availableSizes should not be empty for format: " + format);
    Size[] highResAvailableSizes = configMap.getHighResolutionOutputSizes(format);
    if (highResAvailableSizes != null && highResAvailableSizes.length > 0) {
        Size[] allSizes = new Size[availableSizes.length + highResAvailableSizes.length];
        System.arraycopy(availableSizes, 0, allSizes, 0, availableSizes.length);
        System.arraycopy(highResAvailableSizes, 0, allSizes, availableSizes.length, highResAvailableSizes.length);
        availableSizes = allSizes;
    }
    if (VERBOSE)
        Log.v(TAG, "Supported sizes are: " + Arrays.deepToString(availableSizes));
    return availableSizes;
}

Example 4 with CameraAccessException

use of android.hardware.camera2.CameraAccessException in project platform_frameworks_base by android.

the class CameraTestUtils method configureReprocessableCameraSession.

public static CameraCaptureSession configureReprocessableCameraSession(CameraDevice camera, InputConfiguration inputConfiguration, List<Surface> outputSurfaces, CameraCaptureSession.StateCallback listener, Handler handler) throws CameraAccessException {
    BlockingSessionCallback sessionListener = new BlockingSessionCallback(listener);
    camera.createReprocessableCaptureSession(inputConfiguration, outputSurfaces, sessionListener, handler);
    Integer[] sessionStates = { BlockingSessionCallback.SESSION_READY, BlockingSessionCallback.SESSION_CONFIGURE_FAILED };
    int state = sessionListener.getStateWaiter().waitForAnyOfStates(Arrays.asList(sessionStates), SESSION_CONFIGURE_TIMEOUT_MS);
    assertTrue("Creating a reprocessable session failed.", state == BlockingSessionCallback.SESSION_READY);
    CameraCaptureSession session = sessionListener.waitAndGetSession(SESSION_CONFIGURE_TIMEOUT_MS);
    assertTrue("Camera session should be a reprocessable session", session.isReprocessable());
    return session;
}

Example 5 with CameraAccessException

use of android.hardware.camera2.CameraAccessException in project platform_frameworks_base by android.

the class Camera2Source method onOpen.

@Override
protected void onOpen() {
    mLooperThread = new CameraTestThread();
    Handler mHandler;
    try {
        mHandler = mLooperThread.start();
    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        throw new RuntimeException(e);
    }
    try {
        String backCameraId = "0";
        BlockingCameraManager blkManager = new BlockingCameraManager(mCameraManager);
        mCamera = blkManager.openCamera(backCameraId, /*listener*/
        null, mHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
    } catch (BlockingOpenException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
    }
    Element ele = Element.createPixel(mRS, Element.DataType.UNSIGNED_8, Element.DataKind.PIXEL_YUV);
    rgbConverter = ScriptIntrinsicYuvToRGB.create(mRS, ele);
    Type.Builder yuvBuilder = new Type.Builder(mRS, ele);
    yuvBuilder.setYuvFormat(ImageFormat.YUV_420_888);
    yuvBuilder.setX(mWidth);
    yuvBuilder.setY(mHeight);
    mAllocationIn = Allocation.createTyped(mRS, yuvBuilder.create(), Allocation.USAGE_SCRIPT | Allocation.USAGE_IO_INPUT);
    mSurface = mAllocationIn.getSurface();
    mAllocationIn.setOnBufferAvailableListener(this);
    rgbConverter.setInput(mAllocationIn);
    mBitmap = Bitmap.createBitmap(mWidth, mHeight, Bitmap.Config.ARGB_8888);
    mAllocationOut = Allocation.createFromBitmap(mRS, mBitmap);
    Log.v(TAG, "mcamera: " + mCamera);
    List<Surface> surfaces = new ArrayList<Surface>();
    surfaces.add(mSurface);
    CaptureRequest.Builder mCaptureRequest = null;
    try {
        BlockingSessionCallback blkSession = new BlockingSessionCallback();
        mCamera.createCaptureSession(surfaces, blkSession, mHandler);
        mCaptureRequest = mCamera.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        mCaptureRequest.addTarget(mSurface);
        mCameraSession = blkSession.waitAndGetSession(SESSION_TIMEOUT_MS);
    } catch (CameraAccessException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
    }
    try {
        mCameraSession.setRepeatingRequest(mCaptureRequest.build(), new MyCaptureCallback(), mHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
    }
    mProperties = null;
    try {
        mProperties = mCameraManager.getCameraCharacteristics(mCamera.getId());
    } catch (CameraAccessException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
    }
}