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

Example 11 with CameraAccessException

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

the class CameraDeviceImpl method submitCaptureRequest.

private int submitCaptureRequest(List<CaptureRequest> requestList, CaptureCallback callback, Handler handler, boolean repeating) throws CameraAccessException {
    // Need a valid handler, or current thread needs to have a looper, if
    // callback is valid
    handler = checkHandler(handler, callback);
    // Make sure that there all requests have at least 1 surface; all surfaces are non-null
    for (CaptureRequest request : requestList) {
        if (request.getTargets().isEmpty()) {
            throw new IllegalArgumentException("Each request must have at least one Surface target");
        }
        for (Surface surface : request.getTargets()) {
            if (surface == null) {
                throw new IllegalArgumentException("Null Surface targets are not allowed");
            }
        }
    }
    synchronized (mInterfaceLock) {
        checkIfCameraClosedOrInError();
        if (repeating) {
            stopRepeating();
        }
        SubmitInfo requestInfo;
        CaptureRequest[] requestArray = requestList.toArray(new CaptureRequest[requestList.size()]);
        requestInfo = mRemoteDevice.submitRequestList(requestArray, repeating);
        if (DEBUG) {
            Log.v(TAG, "last frame number " + requestInfo.getLastFrameNumber());
        }
        if (callback != null) {
            mCaptureCallbackMap.put(requestInfo.getRequestId(), new CaptureCallbackHolder(callback, requestList, handler, repeating, mNextSessionId - 1));
        } else {
            if (DEBUG) {
                Log.d(TAG, "Listen for request " + requestInfo.getRequestId() + " is null");
            }
        }
        if (repeating) {
            if (mRepeatingRequestId != REQUEST_ID_NONE) {
                checkEarlyTriggerSequenceComplete(mRepeatingRequestId, requestInfo.getLastFrameNumber());
            }
            mRepeatingRequestId = requestInfo.getRequestId();
        } else {
            mRequestLastFrameNumbersList.add(new RequestLastFrameNumbersHolder(requestList, requestInfo));
        }
        if (mIdle) {
            mDeviceHandler.post(mCallOnActive);
        }
        mIdle = false;
        return requestInfo.getRequestId();
    }
}

Example 12 with CameraAccessException

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

the class CameraCaptureSessionImpl method setRepeatingBurst.

@Override
public synchronized int setRepeatingBurst(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 r : requests) {
        if (r.isReprocess()) {
            throw new IllegalArgumentException("repeating reprocess burst requests are not " + "supported");
        }
    }
    checkNotClosed();
    handler = checkHandler(handler, callback);
    if (DEBUG) {
        CaptureRequest[] requestArray = requests.toArray(new CaptureRequest[0]);
        Log.v(TAG, mIdString + "setRepeatingBurst - requests " + Arrays.toString(requestArray) + ", callback " + callback + " handler" + "" + handler);
    }
    return addPendingSequence(mDeviceImpl.setRepeatingBurst(requests, createCaptureCallbackProxy(handler, callback), mDeviceHandler));
}

Example 13 with CameraAccessException

use of android.hardware.camera2.CameraAccessException 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 14 with CameraAccessException

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

the class CameraManager method getCameraCharacteristics.

/**
     * <p>Query the capabilities of a camera device. These capabilities are
     * immutable for a given camera.</p>
     *
     * @param cameraId The id of the camera device to query
     * @return The properties of the given camera
     *
     * @throws IllegalArgumentException if the cameraId does not match any
     *         known camera device.
     * @throws CameraAccessException if the camera device has been disconnected.
     *
     * @see #getCameraIdList
     * @see android.app.admin.DevicePolicyManager#setCameraDisabled
     */
@NonNull
public CameraCharacteristics getCameraCharacteristics(@NonNull String cameraId) throws CameraAccessException {
    CameraCharacteristics characteristics = null;
    synchronized (mLock) {
        if (!getOrCreateDeviceIdListLocked().contains(cameraId)) {
            throw new IllegalArgumentException(String.format("Camera id %s does not match any" + " currently connected camera device", cameraId));
        }
        int id = Integer.parseInt(cameraId);
        /*
             * Get the camera characteristics from the camera service directly if it supports it,
             * otherwise get them from the legacy shim instead.
             */
        ICameraService cameraService = CameraManagerGlobal.get().getCameraService();
        if (cameraService == null) {
            throw new CameraAccessException(CameraAccessException.CAMERA_DISCONNECTED, "Camera service is currently unavailable");
        }
        try {
            if (!supportsCamera2ApiLocked(cameraId)) {
                // Legacy backwards compatibility path; build static info from the camera
                // parameters
                String parameters = cameraService.getLegacyParameters(id);
                CameraInfo info = cameraService.getCameraInfo(id);
                characteristics = LegacyMetadataMapper.createCharacteristics(parameters, info);
            } else {
                // Normal path: Get the camera characteristics directly from the camera service
                CameraMetadataNative info = cameraService.getCameraCharacteristics(id);
                characteristics = new CameraCharacteristics(info);
            }
        } catch (ServiceSpecificException e) {
            throwAsPublicException(e);
        } catch (RemoteException e) {
            // Camera service died - act as if the camera was disconnected
            throw new CameraAccessException(CameraAccessException.CAMERA_DISCONNECTED, "Camera service is currently unavailable", e);
        }
    }
    return characteristics;
}

Example 15 with CameraAccessException

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

the class Camera2Focuser method cancelAutoFocus.

/**
     * Cancel ongoing auto focus, unlock the auto-focus if it was locked, and
     * resume to passive continuous auto focus.
     *
     * @throws CameraAccessException
     */
public synchronized void cancelAutoFocus() throws CameraAccessException {
    mSuccess = false;
    mLocked = false;
    // reset the AF regions:
    setAfRegions(null);
    // Create request builders, the af regions are automatically updated.
    mRepeatingBuilder = createRequestBuilder();
    CaptureRequest.Builder requestBuilder = createRequestBuilder();
    mAutoFocus.setPassiveAutoFocus(/*picture*/
    true, mRepeatingBuilder);
    mAutoFocus.unlockAutoFocus(mRepeatingBuilder, requestBuilder);
    CaptureCallback listener = createCaptureListener();
    mSession.setRepeatingRequest(mRepeatingBuilder.build(), listener, mHandler);
    mSession.capture(requestBuilder.build(), listener, mHandler);
}