Example usage for android.hardware.camera2 CameraCaptureSession setRepeatingRequest

Introduction

In this page you can find the example usage for android.hardware.camera2 CameraCaptureSession setRepeatingRequest.

Prototype

public abstract int setRepeatingRequest(@NonNull CaptureRequest request, @Nullable CaptureCallback listener,
        @Nullable Handler handler) throws CameraAccessException;

Source Link

Document

Request endlessly repeating capture of images by this capture session.

Usage

From source file:com.google.android.apps.watchme.StreamerActivity.java

void startPreview() {
    SurfaceTexture surfaceTexture = textureView.getSurfaceTexture();
    surfaceTexture.setDefaultBufferSize(previewSize.getWidth(), previewSize.getHeight());
    Surface previewSurface = new Surface(surfaceTexture);
    try {/* w  w  w.  ja va2s. c o m*/
        captureRequestBuilder = cameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        captureRequestBuilder.addTarget(previewSurface);

        cameraDevice.createCaptureSession(Arrays.asList(previewSurface),
                new CameraCaptureSession.StateCallback() {
                    @Override
                    public void onConfigured(@NonNull CameraCaptureSession session) {
                        try {
                            session.setRepeatingRequest(captureRequestBuilder.build(), null, backgroundHandler);
                        } catch (CameraAccessException e) {
                            e.printStackTrace();
                        }
                    }

                    @Override
                    public void onConfigureFailed(@NonNull CameraCaptureSession session) {
                        Toast.makeText(getApplicationContext(), "The preview failed to setup",
                                Toast.LENGTH_SHORT).show();
                    }
                }, null);

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

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From source file:com.example.aschere.cdhprototype2.Camera2RawFragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 * <p/>//from w w  w.jav a  2  s  . c om
 * Call this only with {@link #mCameraStateLock} held.
 */
private void createCameraPreviewSessionLocked() {
    try {
        Log.i(TAG, "create camera preview called");
        SurfaceTexture texture = new SurfaceTexture(2);

        // 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.
        if (mCameraDevice == null) {
            setUpCameraOutputs();
            openCamera();
        }
        if (mCameraDevice != null) {
            mPreviewRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
            mPreviewRequestBuilder.addTarget(surface);

            // Here, we create a CameraCaptureSession for camera preview.
            mCameraDevice.createCaptureSession(Arrays.asList(surface, mJpegImageReader.get().getSurface(),
                    mRawImageReader.get().getSurface()), new CameraCaptureSession.StateCallback() {
                        @Override
                        public void onConfigured(CameraCaptureSession cameraCaptureSession) {
                            synchronized (mCameraStateLock) {
                                // The camera is already closed
                                if (null == mCameraDevice) {
                                    return;
                                }

                                try {
                                    setup3AControlsLocked(mPreviewRequestBuilder);
                                    // Finally, we start displaying the camera preview.
                                    cameraCaptureSession.setRepeatingRequest(mPreviewRequestBuilder.build(),
                                            mPreCaptureCallback, mBackgroundHandler);
                                    mState = STATE_PREVIEW;
                                } catch (CameraAccessException | IllegalStateException e) {
                                    e.printStackTrace();
                                    return;
                                }
                                // When the session is ready, we start displaying the preview.
                                mCaptureSession = cameraCaptureSession;
                            }
                        }

                        @Override
                        public void onConfigureFailed(CameraCaptureSession cameraCaptureSession) {
                            showToast("Failed to configure camera.");
                        }
                    }, mBackgroundHandler);
        }
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

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From source file:com.ape.camera2raw.Camera2RawFragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 * <p/>//w w w  .  jav  a 2  s. c  o  m
 * Call this only with {@link #mCameraStateLock} held.
 */
private void createCameraPreviewSessionLocked() {
    try {
        SurfaceTexture texture = mTextureView.getSurfaceTexture();
        // We configure the size of default buffer to be the size of camera preview we want.
        texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.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.
        mPreviewRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        mPreviewRequestBuilder.addTarget(surface);

        // Here, we create a CameraCaptureSession for camera preview.
        mCameraDevice.createCaptureSession(
                Arrays.asList(surface, mJpegImageReader.get().getSurface(), mRawImageReader.get().getSurface()),
                new CameraCaptureSession.StateCallback() {
                    @Override
                    public void onConfigured(CameraCaptureSession cameraCaptureSession) {
                        synchronized (mCameraStateLock) {
                            // The camera is already closed
                            if (null == mCameraDevice) {
                                return;
                            }

                            try {
                                setup3AControlsLocked(mPreviewRequestBuilder);
                                // Finally, we start displaying the camera preview.
                                cameraCaptureSession.setRepeatingRequest(mPreviewRequestBuilder.build(),
                                        mPreCaptureCallback, mBackgroundHandler);
                                mState = STATE_PREVIEW;
                            } catch (CameraAccessException | IllegalStateException e) {
                                e.printStackTrace();
                                return;
                            }
                            // When the session is ready, we start displaying the preview.
                            mCaptureSession = cameraCaptureSession;
                        }
                    }

                    @Override
                    public void onConfigureFailed(CameraCaptureSession cameraCaptureSession) {
                        showToast("Failed to configure camera.");
                    }
                }, mBackgroundHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

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