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

Example 1 with CameraCaptureSession

use of android.hardware.camera2.CameraCaptureSession 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 CameraCaptureSession

use of android.hardware.camera2.CameraCaptureSession in project android_frameworks_base by DirtyUnicorns.

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 3 with CameraCaptureSession

use of android.hardware.camera2.CameraCaptureSession in project android_frameworks_base by AOSPA.

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);
        }
    };
}

Example 4 with CameraCaptureSession

use of android.hardware.camera2.CameraCaptureSession 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 CameraCaptureSession

use of android.hardware.camera2.CameraCaptureSession 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;
}