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

Example 16 with CameraCaptureSession

use of android.hardware.camera2.CameraCaptureSession in project collect by opendatakit.

the class Camera2Fragment method captureStillPicture.

/**
 * Capture a still picture. This method should be called when we get a response in
 * {@link #captureCallback} from both {@link #lockFocus()}.
 */
private void captureStillPicture() {
    try {
        final Activity activity = getActivity();
        if (null == activity || null == cameraDevice) {
            return;
        }
        // This is the CaptureRequest.Builder that we use to take a picture.
        final CaptureRequest.Builder captureBuilder = cameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);
        captureBuilder.addTarget(imageReader.getSurface());
        // Use the same AE and AF modes as the preview.
        captureBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
        setAutoFlash(captureBuilder);
        // Orientation
        int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
        captureBuilder.set(CaptureRequest.JPEG_ORIENTATION, getOrientation(rotation));
        CameraCaptureSession.CaptureCallback captureCallback = new CameraCaptureSession.CaptureCallback() {

            @Override
            public void onCaptureCompleted(@NonNull CameraCaptureSession session, @NonNull CaptureRequest request, @NonNull TotalCaptureResult result) {
                unlockFocus();
                activity.setResult(Activity.RESULT_OK);
                activity.finish();
            }
        };
        captureSession.stopRepeating();
        captureSession.capture(captureBuilder.build(), captureCallback, null);
    } catch (CameraAccessException e) {
        Timber.e(e);
    }
}

Example 17 with CameraCaptureSession

use of android.hardware.camera2.CameraCaptureSession in project collect by opendatakit.

the class Camera2Fragment method createCameraPreviewSession.

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 */
private void createCameraPreviewSession() {
    try {
        SurfaceTexture texture = textureView.getSurfaceTexture();
        assert texture != null;
        // We configure the size of default buffer to be the size of camera preview we want.
        texture.setDefaultBufferSize(previewSize.getWidth(), previewSize.getHeight());
        // This is the output Surface we need to start preview.
        Surface surface = new Surface(texture);
        // We set up a CaptureRequest.Builder with the output Surface.
        previewRequestBuilder = cameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        previewRequestBuilder.addTarget(surface);
        // Here, we create a CameraCaptureSession for camera preview.
        cameraDevice.createCaptureSession(Arrays.asList(surface, imageReader.getSurface()), new CameraCaptureSession.StateCallback() {

            @Override
            public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
                // The camera is already closed
                if (null == cameraDevice) {
                    return;
                }
                // When the session is ready, we start displaying the preview.
                captureSession = cameraCaptureSession;
                try {
                    // Auto focus should be continuous for camera preview.
                    previewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
                    // Flash is automatically enabled when necessary.
                    setAutoFlash(previewRequestBuilder);
                    // Finally, we start displaying the camera preview.
                    previewRequest = previewRequestBuilder.build();
                    captureSession.setRepeatingRequest(previewRequest, captureCallback, backgroundHandler);
                    getActivity().runOnUiThread(() -> textureView.setOnClickListener(Camera2Fragment.this));
                } catch (CameraAccessException e) {
                    Timber.e(e);
                }
            }

            @Override
            public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
            }
        }, null);
    } catch (CameraAccessException e) {
        Timber.e(e);
    }
}

Example 18 with CameraCaptureSession

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

the class Camera2Fragment method captureStillPicture.

/**
     * Capture a still picture. This method should be called when we get a response in
     * {@link #mCaptureCallback} from both {@link #takeStillshot()}.
     */
private void captureStillPicture() {
    try {
        final Activity activity = getActivity();
        if (null == activity || null == mCameraDevice) {
            return;
        }
        // This is the CaptureRequest.Builder that we use to take a picture.
        final CaptureRequest.Builder captureBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);
        captureBuilder.addTarget(mImageReader.getSurface());
        // Use the same AE and AF modes as the preview.
        captureBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
        setFlashMode(captureBuilder);
        // Orientation
        CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
        CameraCharacteristics characteristics = manager.getCameraCharacteristics(mCameraDevice.getId());
        //noinspection ConstantConditions,ResourceType
        @Degrees.DegreeUnits final int sensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
        int displayRotation = activity.getWindowManager().getDefaultDisplay().getRotation();
        // default camera orientation used to be 90 degrees, for Nexus 5X, 6P it is 270 degrees
        if (sensorOrientation == Degrees.DEGREES_270) {
            displayRotation += 2 % 3;
        }
        captureBuilder.set(CaptureRequest.JPEG_ORIENTATION, ORIENTATIONS.get(displayRotation));
        CameraCaptureSession.CaptureCallback CaptureCallback = new CameraCaptureSession.CaptureCallback() {

            @Override
            public void onCaptureCompleted(@NonNull CameraCaptureSession session, @NonNull CaptureRequest request, @NonNull TotalCaptureResult result) {
                Log.d("stillshot", "onCaptureCompleted");
                unlockFocus();
            }
        };
        mPreviewSession.stopRepeating();
        mPreviewSession.capture(captureBuilder.build(), CaptureCallback, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

Example 19 with CameraCaptureSession

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

the class CameraTestUtils method configureCameraSession.

/**
     * Configure a new camera session with output surfaces and type.
     *
     * @param camera The CameraDevice to be configured.
     * @param outputSurfaces The surface list that used for camera output.
     * @param listener The callback CameraDevice will notify when capture results are available.
     */
public static CameraCaptureSession configureCameraSession(CameraDevice camera, List<Surface> outputSurfaces, boolean isHighSpeed, CameraCaptureSession.StateCallback listener, Handler handler) throws CameraAccessException {
    BlockingSessionCallback sessionListener = new BlockingSessionCallback(listener);
    if (isHighSpeed) {
        camera.createConstrainedHighSpeedCaptureSession(outputSurfaces, sessionListener, handler);
    } else {
        camera.createCaptureSession(outputSurfaces, sessionListener, handler);
    }
    CameraCaptureSession session = sessionListener.waitAndGetSession(SESSION_CONFIGURE_TIMEOUT_MS);
    assertFalse("Camera session should not be a reprocessable session", session.isReprocessable());
    String sessionType = isHighSpeed ? "High Speed" : "Normal";
    assertTrue("Capture session type must be " + sessionType, isHighSpeed == CameraConstrainedHighSpeedCaptureSession.class.isAssignableFrom(session.getClass()));
    return session;
}

Example 20 with CameraCaptureSession

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

the class CameraCaptureSessionImpl method getDeviceStateCallback.

/**
     *
     * Create an internal state callback, to be invoked on the mDeviceHandler
     *
     * <p>It has a few behaviors:
     * <ul>
     * <li>Convert device state changes into session state changes.
     * <li>Keep track of async tasks that the session began (idle, abort).
     * </ul>
     * </p>
     * */
@Override
public CameraDeviceImpl.StateCallbackKK getDeviceStateCallback() {
    final CameraCaptureSession session = this;
    return new CameraDeviceImpl.StateCallbackKK() {

        private boolean mBusy = false;

        private boolean mActive = false;

        @Override
        public void onOpened(CameraDevice camera) {
            throw new AssertionError("Camera must already be open before creating a session");
        }

        @Override
        public void onDisconnected(CameraDevice camera) {
            if (DEBUG)
                Log.v(TAG, mIdString + "onDisconnected");
            close();
        }

        @Override
        public void onError(CameraDevice camera, int error) {
            // Should not be reached, handled by device code
            Log.wtf(TAG, mIdString + "Got device error " + error);
        }

        @Override
        public void onActive(CameraDevice camera) {
            mIdleDrainer.taskStarted();
            mActive = true;
            if (DEBUG)
                Log.v(TAG, mIdString + "onActive");
            mStateCallback.onActive(session);
        }

        @Override
        public void onIdle(CameraDevice camera) {
            boolean isAborting;
            if (DEBUG)
                Log.v(TAG, mIdString + "onIdle");
            synchronized (session) {
                isAborting = mAborting;
            }
            /*
                 * Check which states we transitioned through:
                 *
                 * (ACTIVE -> IDLE)
                 * (BUSY -> IDLE)
                 *
                 * Note that this is also legal:
                 * (ACTIVE -> BUSY -> IDLE)
                 *
                 * and mark those tasks as finished
                 */
            if (mBusy && isAborting) {
                mAbortDrainer.taskFinished();
                synchronized (session) {
                    mAborting = false;
                }
            }
            if (mActive) {
                mIdleDrainer.taskFinished();
            }
            mBusy = false;
            mActive = false;
            mStateCallback.onReady(session);
        }

        @Override
        public void onBusy(CameraDevice camera) {
            mBusy = true;
            // Don't signal the application since there's no clean mapping here
            if (DEBUG)
                Log.v(TAG, mIdString + "onBusy");
        }

        @Override
        public void onUnconfigured(CameraDevice camera) {
            if (DEBUG)
                Log.v(TAG, mIdString + "onUnconfigured");
        }

        @Override
        public void onSurfacePrepared(Surface surface) {
            if (DEBUG)
                Log.v(TAG, mIdString + "onPrepared");
            mStateCallback.onSurfacePrepared(session, surface);
        }
    };
}