| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * This file defines an NDK API. |
| * Do not remove methods. |
| * Do not change method signatures. |
| * Do not change the value of constants. |
| * Do not change the size of any of the classes defined in here. |
| * Do not reference types that are not part of the NDK. |
| * Do not #include files that aren't part of the NDK. |
| */ |
| |
| #ifndef _NDK_CAMERA_MANAGER_H |
| #define _NDK_CAMERA_MANAGER_H |
| |
| #include "NdkCameraError.h" |
| #include "NdkCameraMetadata.h" |
| #include "NdkCameraDevice.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| typedef struct ACameraManager ACameraManager; |
| |
| /** |
| * Create CameraManager instance. |
| * The caller must call ACameraManager_delete to free the resources |
| */ |
| ACameraManager* ACameraManager_create(); |
| |
| /** |
| * delete the ACameraManager and free its resources |
| */ |
| void ACameraManager_delete(ACameraManager*); |
| |
| // Struct to hold list of camera devices |
| typedef struct ACameraIdList { |
| int numCameras; |
| const char** cameraIds; |
| } ACameraIdList; |
| |
| /** |
| * Create/delete a list of camera devices. |
| * ACameraManager_getCameraIdList will allocate and return an ACameraIdList. |
| * The caller must call ACameraManager_deleteCameraIdList to free the memory |
| */ |
| camera_status_t ACameraManager_getCameraIdList(ACameraManager*, |
| /*out*/ACameraIdList** cameraIdList); |
| void ACameraManager_deleteCameraIdList(ACameraIdList* cameraIdList); |
| |
| |
| // Struct to hold camera availability callbacks |
| typedef void (*ACameraManager_AvailabilityCallback)(void* context, const char* cameraId); |
| |
| typedef struct ACameraManager_AvailabilityListener { |
| void* context; // optional application context. |
| ACameraManager_AvailabilityCallback onCameraAvailable; |
| ACameraManager_AvailabilityCallback onCameraUnavailable; |
| } ACameraManager_AvailabilityCallbacks; |
| |
| /** |
| * register/unregister camera availability callbacks |
| */ |
| camera_status_t ACameraManager_registerAvailabilityCallback( |
| ACameraManager*, const ACameraManager_AvailabilityCallbacks *callback); |
| camera_status_t ACameraManager_unregisterAvailabilityCallback( |
| ACameraManager*, const ACameraManager_AvailabilityCallbacks *callback); |
| |
| /** |
| * Query the characteristics of a camera. |
| * The caller must call ACameraMetadata_free to free the memory of the output characteristics. |
| */ |
| camera_status_t ACameraManager_getCameraCharacteristics( |
| ACameraManager*, const char *cameraId, |
| /*out*/ACameraMetadata **characteristics); |
| |
| /** |
| * Open a camera device synchronously. |
| * The opened camera device will be returned in |
| */ |
| camera_status_t ACameraManager_openCamera( |
| ACameraManager*, const char* cameraId, |
| ACameraDevice_StateCallbacks* callback, |
| /*out*/ACameraDevice** device); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif //_NDK_CAMERA_MANAGER_H |