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

Example 21 with CameraAccessException

use of android.hardware.camera2.CameraAccessException in project android_frameworks_base by ResurrectionRemix.

the class CameraDeviceImpl method createCaptureSessionInternal.

private void createCaptureSessionInternal(InputConfiguration inputConfig, List<OutputConfiguration> outputConfigurations, CameraCaptureSession.StateCallback callback, Handler handler, boolean isConstrainedHighSpeed) throws CameraAccessException {
    synchronized (mInterfaceLock) {
        if (DEBUG) {
            Log.d(TAG, "createCaptureSessionInternal");
        }
        checkIfCameraClosedOrInError();
        if (isConstrainedHighSpeed && inputConfig != null) {
            throw new IllegalArgumentException("Constrained high speed session doesn't support" + " input configuration yet.");
        }
        // After this call completes, the session is not allowed to call into CameraDeviceImpl
        if (mCurrentSession != null) {
            mCurrentSession.replaceSessionClose();
        }
        // TODO: dont block for this
        boolean configureSuccess = true;
        CameraAccessException pendingException = null;
        Surface input = null;
        try {
            // configure streams and then block until IDLE
            configureSuccess = configureStreamsChecked(inputConfig, outputConfigurations, isConstrainedHighSpeed);
            if (configureSuccess == true && inputConfig != null) {
                input = mRemoteDevice.getInputSurface();
            }
        } catch (CameraAccessException e) {
            configureSuccess = false;
            pendingException = e;
            input = null;
            if (DEBUG) {
                Log.v(TAG, "createCaptureSession - failed with exception ", e);
            }
        }
        List<Surface> outSurfaces = new ArrayList<>(outputConfigurations.size());
        for (OutputConfiguration config : outputConfigurations) {
            outSurfaces.add(config.getSurface());
        }
        // Fire onConfigured if configureOutputs succeeded, fire onConfigureFailed otherwise.
        CameraCaptureSessionCore newSession = null;
        if (isConstrainedHighSpeed) {
            newSession = new CameraConstrainedHighSpeedCaptureSessionImpl(mNextSessionId++, outSurfaces, callback, handler, this, mDeviceHandler, configureSuccess, mCharacteristics);
        } else {
            newSession = new CameraCaptureSessionImpl(mNextSessionId++, input, outSurfaces, callback, handler, this, mDeviceHandler, configureSuccess);
        }
        // TODO: wait until current session closes, then create the new session
        mCurrentSession = newSession;
        if (pendingException != null) {
            throw pendingException;
        }
        mSessionStateCallback = mCurrentSession.getDeviceStateCallback();
    }
}

Example 22 with CameraAccessException

use of android.hardware.camera2.CameraAccessException in project android_frameworks_base by ResurrectionRemix.

the class CameraCaptureSessionImpl method captureBurst.

@Override
public synchronized int captureBurst(List<CaptureRequest> requests, CaptureCallback callback, Handler handler) throws CameraAccessException {
    if (requests == null) {
        throw new IllegalArgumentException("Requests must not be null");
    } else if (requests.isEmpty()) {
        throw new IllegalArgumentException("Requests must have at least one element");
    }
    for (CaptureRequest request : requests) {
        if (request.isReprocess()) {
            if (!isReprocessable()) {
                throw new IllegalArgumentException("This capture session cannot handle " + "reprocess requests");
            } else if (request.getReprocessableSessionId() != mId) {
                throw new IllegalArgumentException("Capture request was created for another " + "session");
            }
        }
    }
    checkNotClosed();
    handler = checkHandler(handler, callback);
    if (DEBUG) {
        CaptureRequest[] requestArray = requests.toArray(new CaptureRequest[0]);
        Log.v(TAG, mIdString + "captureBurst - requests " + Arrays.toString(requestArray) + ", callback " + callback + " handler " + handler);
    }
    return addPendingSequence(mDeviceImpl.captureBurst(requests, createCaptureCallbackProxy(handler, callback), mDeviceHandler));
}

Example 23 with CameraAccessException

use of android.hardware.camera2.CameraAccessException in project android_frameworks_base by ResurrectionRemix.

the class CameraDeviceImpl method finishDeferredConfig.

public void finishDeferredConfig(List<OutputConfiguration> deferredConfigs) throws CameraAccessException {
    if (deferredConfigs == null || deferredConfigs.size() == 0) {
        throw new IllegalArgumentException("deferred config is null or empty");
    }
    synchronized (mInterfaceLock) {
        for (OutputConfiguration config : deferredConfigs) {
            int streamId = -1;
            for (int i = 0; i < mConfiguredOutputs.size(); i++) {
                // createReprocessableCaptureSessionByConfigurations() do a copy of the configs.
                if (config.equals(mConfiguredOutputs.valueAt(i))) {
                    streamId = mConfiguredOutputs.keyAt(i);
                    break;
                }
            }
            if (streamId == -1) {
                throw new IllegalArgumentException("Deferred config is not part of this " + "session");
            }
            if (config.getSurface() == null) {
                throw new IllegalArgumentException("The deferred config for stream " + streamId + " must have a non-null surface");
            }
            mRemoteDevice.setDeferredConfiguration(streamId, config);
        }
    }
}

Example 24 with CameraAccessException

use of android.hardware.camera2.CameraAccessException in project AndroidDevelop by 7449.

the class Camera2 method startCaptureSession.

/**
     * <p>Starts a capture session for camera preview.</p>
     * <p>This rewrites {@link #mPreviewRequestBuilder}.</p>
     * <p>The result will be continuously processed in {@link #mSessionCallback}.</p>
     */
void startCaptureSession() {
    if (!isCameraOpened() || !mPreview.isReady() || mImageReader == null) {
        return;
    }
    Size previewSize = chooseOptimalSize();
    mPreview.setBufferSize(previewSize.getWidth(), previewSize.getHeight());
    Surface surface = mPreview.getSurface();
    try {
        mPreviewRequestBuilder = mCamera.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        mPreviewRequestBuilder.addTarget(surface);
        mCamera.createCaptureSession(Arrays.asList(surface, mImageReader.getSurface()), mSessionCallback, null);
    } catch (CameraAccessException e) {
        throw new RuntimeException("Failed to start camera session");
    }
}

Example 25 with CameraAccessException

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

the class GlobalActions method getTorchToggleAction.

private Action getTorchToggleAction() {
    return new SinglePressAction(com.android.internal.R.drawable.ic_lock_torch, R.string.global_action_torch) {

        public void onPress() {
            try {
                CameraManager cameraManager = (CameraManager) mContext.getSystemService(Context.CAMERA_SERVICE);
                for (final String cameraId : cameraManager.getCameraIdList()) {
                    CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
                    int orient = characteristics.get(CameraCharacteristics.LENS_FACING);
                    if (orient == CameraCharacteristics.LENS_FACING_BACK) {
                        cameraManager.setTorchMode(cameraId, !mTorchEnabled);
                        mTorchEnabled = !mTorchEnabled;
                    }
                }
            } catch (CameraAccessException e) {
            }
        }

        public boolean showDuringKeyguard() {
            return true;
        }

        public boolean showBeforeProvisioning() {
            return false;
        }
    };
}