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

Example 1 with CameraDevice

use of android.hardware.camera2.CameraDevice 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 2 with CameraDevice

use of android.hardware.camera2.CameraDevice 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 3 with CameraDevice

use of android.hardware.camera2.CameraDevice 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 4 with CameraDevice

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

the class LegacyMetadataMapper method createRequestTemplate.

/**
     * Create a request template
     *
     * @param c a non-{@code null} camera characteristics for this camera
     * @param templateId a non-negative template ID
     *
     * @return a non-{@code null} request template
     *
     * @throws IllegalArgumentException if {@code templateId} was invalid
     *
     * @see android.hardware.camera2.CameraDevice#TEMPLATE_MANUAL
     */
public static CameraMetadataNative createRequestTemplate(CameraCharacteristics c, int templateId) {
    if (!ArrayUtils.contains(sAllowedTemplates, templateId)) {
        throw new IllegalArgumentException("templateId out of range");
    }
    CameraMetadataNative m = new CameraMetadataNative();
    /*
         * NOTE: If adding new code here and it needs to query the static info,
         * query the camera characteristics, so we can reuse this for api2 code later
         * to create our own templates in the framework
         */
    /*
         * control.*
         */
    // control.awbMode
    m.set(CaptureRequest.CONTROL_AWB_MODE, CameraMetadata.CONTROL_AWB_MODE_AUTO);
    // AWB is always unconditionally available in API1 devices
    // control.aeAntibandingMode
    m.set(CaptureRequest.CONTROL_AE_ANTIBANDING_MODE, CONTROL_AE_ANTIBANDING_MODE_AUTO);
    // control.aeExposureCompensation
    m.set(CaptureRequest.CONTROL_AE_EXPOSURE_COMPENSATION, 0);
    // control.aeLock
    m.set(CaptureRequest.CONTROL_AE_LOCK, false);
    // control.aePrecaptureTrigger
    m.set(CaptureRequest.CONTROL_AE_PRECAPTURE_TRIGGER, CONTROL_AE_PRECAPTURE_TRIGGER_IDLE);
    // control.afTrigger
    m.set(CaptureRequest.CONTROL_AF_TRIGGER, CONTROL_AF_TRIGGER_IDLE);
    // control.awbMode
    m.set(CaptureRequest.CONTROL_AWB_MODE, CONTROL_AWB_MODE_AUTO);
    // control.awbLock
    m.set(CaptureRequest.CONTROL_AWB_LOCK, false);
    // control.aeRegions, control.awbRegions, control.afRegions
    {
        Rect activeArray = c.get(SENSOR_INFO_ACTIVE_ARRAY_SIZE);
        MeteringRectangle[] activeRegions = new MeteringRectangle[] { new MeteringRectangle(/*x*/
        0, /*y*/
        0, /*width*/
        activeArray.width() - 1, /*height*/
        activeArray.height() - 1, /*weight*/
        0) };
        m.set(CaptureRequest.CONTROL_AE_REGIONS, activeRegions);
        m.set(CaptureRequest.CONTROL_AWB_REGIONS, activeRegions);
        m.set(CaptureRequest.CONTROL_AF_REGIONS, activeRegions);
    }
    // control.captureIntent
    {
        int captureIntent;
        switch(templateId) {
            case CameraDevice.TEMPLATE_PREVIEW:
                captureIntent = CONTROL_CAPTURE_INTENT_PREVIEW;
                break;
            case CameraDevice.TEMPLATE_STILL_CAPTURE:
                captureIntent = CONTROL_CAPTURE_INTENT_STILL_CAPTURE;
                break;
            case CameraDevice.TEMPLATE_RECORD:
                captureIntent = CONTROL_CAPTURE_INTENT_VIDEO_RECORD;
                break;
            default:
                // Can't get anything else since it's guarded by the IAE check
                throw new AssertionError("Impossible; keep in sync with sAllowedTemplates");
        }
        m.set(CaptureRequest.CONTROL_CAPTURE_INTENT, captureIntent);
    }
    // control.aeMode
    m.set(CaptureRequest.CONTROL_AE_MODE, CameraMetadata.CONTROL_AE_MODE_ON);
    // AE is always unconditionally available in API1 devices
    // control.mode
    m.set(CaptureRequest.CONTROL_MODE, CONTROL_MODE_AUTO);
    // control.afMode
    {
        Float minimumFocusDistance = c.get(LENS_INFO_MINIMUM_FOCUS_DISTANCE);
        int afMode;
        if (minimumFocusDistance != null && minimumFocusDistance == LENS_INFO_MINIMUM_FOCUS_DISTANCE_FIXED_FOCUS) {
            // Cannot control auto-focus with fixed-focus cameras
            afMode = CameraMetadata.CONTROL_AF_MODE_OFF;
        } else {
            // If a minimum focus distance is reported; the camera must have AF
            afMode = CameraMetadata.CONTROL_AF_MODE_AUTO;
            if (templateId == CameraDevice.TEMPLATE_RECORD || templateId == CameraDevice.TEMPLATE_VIDEO_SNAPSHOT) {
                if (ArrayUtils.contains(c.get(CONTROL_AF_AVAILABLE_MODES), CONTROL_AF_MODE_CONTINUOUS_VIDEO)) {
                    afMode = CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_VIDEO;
                }
            } else if (templateId == CameraDevice.TEMPLATE_PREVIEW || templateId == CameraDevice.TEMPLATE_STILL_CAPTURE) {
                if (ArrayUtils.contains(c.get(CONTROL_AF_AVAILABLE_MODES), CONTROL_AF_MODE_CONTINUOUS_PICTURE)) {
                    afMode = CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE;
                }
            }
        }
        if (DEBUG) {
            Log.v(TAG, "createRequestTemplate (templateId=" + templateId + ")," + " afMode=" + afMode + ", minimumFocusDistance=" + minimumFocusDistance);
        }
        m.set(CaptureRequest.CONTROL_AF_MODE, afMode);
    }
    {
        // control.aeTargetFpsRange
        Range<Integer>[] availableFpsRange = c.get(CameraCharacteristics.CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES);
        // Pick FPS range with highest max value, tiebreak on higher min value
        Range<Integer> bestRange = availableFpsRange[0];
        for (Range<Integer> r : availableFpsRange) {
            if (bestRange.getUpper() < r.getUpper()) {
                bestRange = r;
            } else if (bestRange.getUpper() == r.getUpper() && bestRange.getLower() < r.getLower()) {
                bestRange = r;
            }
        }
        m.set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, bestRange);
    }
    // control.sceneMode -- DISABLED is always available
    m.set(CaptureRequest.CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_DISABLED);
    /*
         * statistics.*
         */
    // statistics.faceDetectMode
    m.set(CaptureRequest.STATISTICS_FACE_DETECT_MODE, STATISTICS_FACE_DETECT_MODE_OFF);
    /*
         * flash.*
         */
    // flash.mode
    m.set(CaptureRequest.FLASH_MODE, FLASH_MODE_OFF);
    /*
         * noiseReduction.*
         */
    if (templateId == CameraDevice.TEMPLATE_STILL_CAPTURE) {
        m.set(CaptureRequest.NOISE_REDUCTION_MODE, NOISE_REDUCTION_MODE_HIGH_QUALITY);
    } else {
        m.set(CaptureRequest.NOISE_REDUCTION_MODE, NOISE_REDUCTION_MODE_FAST);
    }
    /*
        * colorCorrection.*
        */
    if (templateId == CameraDevice.TEMPLATE_STILL_CAPTURE) {
        m.set(CaptureRequest.COLOR_CORRECTION_ABERRATION_MODE, COLOR_CORRECTION_ABERRATION_MODE_HIGH_QUALITY);
    } else {
        m.set(CaptureRequest.COLOR_CORRECTION_ABERRATION_MODE, COLOR_CORRECTION_ABERRATION_MODE_FAST);
    }
    /*
         * lens.*
         */
    // lens.focalLength
    m.set(CaptureRequest.LENS_FOCAL_LENGTH, c.get(CameraCharacteristics.LENS_INFO_AVAILABLE_FOCAL_LENGTHS)[0]);
    /*
         * jpeg.*
         */
    // jpeg.thumbnailSize - set smallest non-zero size if possible
    Size[] sizes = c.get(CameraCharacteristics.JPEG_AVAILABLE_THUMBNAIL_SIZES);
    m.set(CaptureRequest.JPEG_THUMBNAIL_SIZE, (sizes.length > 1) ? sizes[1] : sizes[0]);
    // TODO: map other request template values
    return m;
}

Example 5 with CameraDevice

use of android.hardware.camera2.CameraDevice 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);
                } catch (CameraAccessException e) {
                    Timber.e(e);
                }
            }

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