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

Example 51 with BlockingSessionCallback

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

the class Camera2RecordingTest method startSlowMotionRecording.

private void startSlowMotionRecording(boolean useMediaRecorder, int videoFrameRate, int captureRate, Range<Integer> fpsRange, CameraCaptureSession.CaptureCallback listener, boolean useHighSpeedSession) throws Exception {
    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, useHighSpeedSession, mSessionListener, mHandler);
    // Create slow motion request list
    List<CaptureRequest> slowMoRequests = null;
    if (useHighSpeedSession) {
        CaptureRequest.Builder requestBuilder = mCamera.createCaptureRequest(CameraDevice.TEMPLATE_RECORD);
        requestBuilder.set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, fpsRange);
        requestBuilder.addTarget(mPreviewSurface);
        requestBuilder.addTarget(mRecordingSurface);
        slowMoRequests = ((CameraConstrainedHighSpeedCaptureSession) mSession).createHighSpeedRequestList(requestBuilder.build());
    } else {
        CaptureRequest.Builder recordingRequestBuilder = mCamera.createCaptureRequest(CameraDevice.TEMPLATE_RECORD);
        recordingRequestBuilder.set(CaptureRequest.CONTROL_MODE, CaptureRequest.CONTROL_MODE_USE_SCENE_MODE);
        recordingRequestBuilder.set(CaptureRequest.CONTROL_SCENE_MODE, CaptureRequest.CONTROL_SCENE_MODE_HIGH_SPEED_VIDEO);
        CaptureRequest.Builder recordingOnlyBuilder = mCamera.createCaptureRequest(CameraDevice.TEMPLATE_RECORD);
        recordingOnlyBuilder.set(CaptureRequest.CONTROL_MODE, CaptureRequest.CONTROL_MODE_USE_SCENE_MODE);
        recordingOnlyBuilder.set(CaptureRequest.CONTROL_SCENE_MODE, CaptureRequest.CONTROL_SCENE_MODE_HIGH_SPEED_VIDEO);
        int slowMotionFactor = captureRate / videoFrameRate;
        // Make sure camera output frame rate is set to correct value.
        recordingRequestBuilder.set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, fpsRange);
        recordingRequestBuilder.addTarget(mRecordingSurface);
        recordingRequestBuilder.addTarget(mPreviewSurface);
        recordingOnlyBuilder.set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, fpsRange);
        recordingOnlyBuilder.addTarget(mRecordingSurface);
        slowMoRequests = new ArrayList<CaptureRequest>();
        // Preview + recording.
        slowMoRequests.add(recordingRequestBuilder.build());
        for (int i = 0; i < slowMotionFactor - 1; i++) {
            // Recording only.
            slowMoRequests.add(recordingOnlyBuilder.build());
        }
    }
    mSession.setRepeatingBurst(slowMoRequests, listener, mHandler);
    if (useMediaRecorder) {
        mMediaRecorder.start();
    } else {
    // TODO: need implement MediaCodec path.
    }
}

Example 52 with BlockingSessionCallback

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

the class Camera2ReprocessCaptureTest method setupReprocessableSession.

/**
     * Set up a reprocessable session and create an ImageWriter with the sessoin's input surface.
     */
private void setupReprocessableSession(Surface previewSurface, int numImageWriterImages) throws Exception {
    // create a reprocessable capture session
    List<Surface> outSurfaces = new ArrayList<Surface>();
    outSurfaces.add(mFirstImageReader.getSurface());
    if (!mShareOneImageReader) {
        outSurfaces.add(mSecondImageReader.getSurface());
    }
    if (previewSurface != null) {
        outSurfaces.add(previewSurface);
    }
    InputConfiguration inputConfig = new InputConfiguration(mFirstImageReader.getWidth(), mFirstImageReader.getHeight(), mFirstImageReader.getImageFormat());
    String inputConfigString = inputConfig.toString();
    if (VERBOSE) {
        Log.v(TAG, "InputConfiguration: " + inputConfigString);
    }
    assertTrue(String.format("inputConfig is wrong: %dx%d format %d. Expect %dx%d format %d", inputConfig.getWidth(), inputConfig.getHeight(), inputConfig.getFormat(), mFirstImageReader.getWidth(), mFirstImageReader.getHeight(), mFirstImageReader.getImageFormat()), inputConfig.getWidth() == mFirstImageReader.getWidth() && inputConfig.getHeight() == mFirstImageReader.getHeight() && inputConfig.getFormat() == mFirstImageReader.getImageFormat());
    mSessionListener = new BlockingSessionCallback();
    mSession = configureReprocessableCameraSession(mCamera, inputConfig, outSurfaces, mSessionListener, mHandler);
    // create an ImageWriter
    mInputSurface = mSession.getInputSurface();
    mImageWriter = ImageWriter.newInstance(mInputSurface, numImageWriterImages);
    mImageWriterListener = new SimpleImageWriterListener(mImageWriter);
    mImageWriter.setOnImageReleasedListener(mImageWriterListener, mHandler);
}

Example 53 with BlockingSessionCallback

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

the class Camera2SwitchPreviewTest method prepareCapturePreview.

protected void prepareCapturePreview(CaptureRequest.Builder previewRequest, CaptureRequest.Builder stillRequest, CaptureCallback resultListener, ImageReader.OnImageAvailableListener imageListener) throws Exception {
    Size captureSz = mOrderedStillSizes.get(0);
    Size previewSz = mOrderedPreviewSizes.get(1);
    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, ImageFormat.JPEG, MAX_READER_IMAGES, 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 54 with BlockingSessionCallback

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

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);
    }
}