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      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 // #define LOG_NDEBUG 0
     18 #define LOG_TAG "CameraDeviceFactory"
     19 #include <utils/Log.h>
     20 
     21 #include "CameraService.h"
     22 #include "CameraDeviceFactory.h"
     23 #include "common/CameraDeviceBase.h"
     24 #include "device2/Camera2Device.h"
     25 #include "device3/Camera3Device.h"
     26 
     27 namespace android {
     28 
     29 wp<CameraService> CameraDeviceFactory::sService;
     30 
     31 sp<CameraDeviceBase> CameraDeviceFactory::createDevice(int cameraId) {
     32 
     33     sp<CameraService> svc = sService.promote();
     34     if (svc == 0) {
     35         ALOGE("%s: No service registered", __FUNCTION__);
     36         return NULL;
     37     }
     38 
     39     int deviceVersion = svc->getDeviceVersion(cameraId, /*facing*/NULL);
     40 
     41     sp<CameraDeviceBase> device;
     42 
     43     switch (deviceVersion) {
     44         case CAMERA_DEVICE_API_VERSION_2_0:
     45         case CAMERA_DEVICE_API_VERSION_2_1:
     46             device = new Camera2Device(cameraId);
     47             break;
     48         case CAMERA_DEVICE_API_VERSION_3_0:
     49         case CAMERA_DEVICE_API_VERSION_3_1:
     50         case CAMERA_DEVICE_API_VERSION_3_2:
     51             device = new Camera3Device(cameraId);
     52             break;
     53         default:
     54             ALOGE("%s: Camera %d: Unknown HAL device version %d",
     55                   __FUNCTION__, cameraId, deviceVersion);
     56             device = NULL;
     57             break;
     58     }
     59 
     60     ALOGV_IF(device != 0, "Created a new camera device for version %d",
     61                           deviceVersion);
     62 
     63     return device;
     64 }
     65 
     66 void CameraDeviceFactory::registerService(wp<CameraService> service) {
     67     ALOGV("%s: Registered service %p", __FUNCTION__,
     68           service.promote().get());
     69 
     70     sService = service;
     71 }
     72 
     73 }; // namespace android
     74