Examples with BlockingSessionCallback com.android.ex.camera2.blocking.BlockingSessionCallback used on opensource projects

Example 16 with BlockingSessionCallback

use of com.android.ex.camera2.blocking.BlockingSessionCallback in project android_frameworks_base by crdroidandroid.

the class Camera2SurfaceViewTestCase method prepareCaptureAndStartPreview.

/**
     * Setup single capture configuration and start preview.
     *
     * @param previewRequest The capture request to be used for preview
     * @param stillRequest The capture request to be used for still capture
     * @param previewSz Preview size
     * @param captureSz Still capture size
     * @param format The single capture image format
     * @param resultListener Capture result listener
     * @param maxNumImages The max number of images set to the image reader
     * @param imageListener The single capture capture image listener
     */
protected void prepareCaptureAndStartPreview(CaptureRequest.Builder previewRequest, CaptureRequest.Builder stillRequest, Size previewSz, Size captureSz, int format, CaptureCallback resultListener, int maxNumImages, ImageReader.OnImageAvailableListener imageListener) throws Exception {
    if (VERBOSE) {
        Log.v(TAG, String.format("Prepare single capture (%s) and preview (%s)", captureSz.toString(), previewSz.toString()));
    }
    // Update preview size.
    updatePreviewSurface(previewSz);
    // Create ImageReader.
    createImageReader(captureSz, format, maxNumImages, imageListener);
    // Configure output streams with preview and jpeg streams.
    List<Surface> outputSurfaces = new ArrayList<Surface>();
    outputSurfaces.add(mPreviewSurface);
    outputSurfaces.add(mReaderSurface);
    mSessionListener = new BlockingSessionCallback();
    mSession = configureCameraSession(mCamera, outputSurfaces, mSessionListener, mHandler);
    // Configure the requests.
    previewRequest.addTarget(mPreviewSurface);
    stillRequest.addTarget(mPreviewSurface);
    stillRequest.addTarget(mReaderSurface);
    // Start preview.
    mSession.setRepeatingRequest(previewRequest.build(), resultListener, mHandler);
}

Example 17 with BlockingSessionCallback

use of com.android.ex.camera2.blocking.BlockingSessionCallback in project android_frameworks_base by crdroidandroid.

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 18 with BlockingSessionCallback

use of com.android.ex.camera2.blocking.BlockingSessionCallback in project android_frameworks_base by crdroidandroid.

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 19 with BlockingSessionCallback

use of com.android.ex.camera2.blocking.BlockingSessionCallback in project android_frameworks_base by AOSPA.

the class Camera2SurfaceViewTestCase method configurePreviewOutput.

/**
     * Configure the preview output stream.
     *
     * @param request The request to be configured with preview surface
     */
protected void configurePreviewOutput(CaptureRequest.Builder request) throws CameraAccessException {
    List<Surface> outputSurfaces = new ArrayList<Surface>(/*capacity*/
    1);
    outputSurfaces.add(mPreviewSurface);
    mSessionListener = new BlockingSessionCallback();
    mSession = configureCameraSession(mCamera, outputSurfaces, mSessionListener, mHandler);
    request.addTarget(mPreviewSurface);
}

Example 20 with BlockingSessionCallback

use of com.android.ex.camera2.blocking.BlockingSessionCallback in project android_frameworks_base by AOSPA.

the class Camera2RecordingTest method startRecording.

private void startRecording(boolean useMediaRecorder, CameraCaptureSession.CaptureCallback listener, boolean useVideoStab) throws Exception {
    if (!mStaticInfo.isVideoStabilizationSupported() && useVideoStab) {
        throw new IllegalArgumentException("Video stabilization is not supported");
    }
    List<Surface> outputSurfaces = new ArrayList<Surface>(2);
    assertTrue("Both preview and recording surfaces should be valid", mPreviewSurface.isValid() && mRecordingSurface.isValid());
    outputSurfaces.add(mPreviewSurface);
    outputSurfaces.add(mRecordingSurface);
    // Video snapshot surface
    if (mReaderSurface != null) {
        outputSurfaces.add(mReaderSurface);
    }
    mSessionListener = new BlockingSessionCallback();
    mSession = configureCameraSession(mCamera, outputSurfaces, mSessionListener, mHandler);
    CaptureRequest.Builder recordingRequestBuilder = mCamera.createCaptureRequest(CameraDevice.TEMPLATE_RECORD);
    // Make sure camera output frame rate is set to correct value.
    Range<Integer> fpsRange = Range.create(mVideoFrameRate, mVideoFrameRate);
    recordingRequestBuilder.set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, fpsRange);
    if (useVideoStab) {
        recordingRequestBuilder.set(CaptureRequest.CONTROL_VIDEO_STABILIZATION_MODE, CaptureRequest.CONTROL_VIDEO_STABILIZATION_MODE_ON);
    }
    recordingRequestBuilder.addTarget(mRecordingSurface);
    recordingRequestBuilder.addTarget(mPreviewSurface);
    mSession.setRepeatingRequest(recordingRequestBuilder.build(), listener, mHandler);
    if (useMediaRecorder) {
        mMediaRecorder.start();
    } else {
    // TODO: need implement MediaCodec path.
    }
    mRecordingStartTime = SystemClock.elapsedRealtime();
}