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/*
* 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.
*/
#ifndef ANDROID_SERVERS_CAMERA_CAMERAMODULE_H
#define ANDROID_SERVERS_CAMERA_CAMERAMODULE_H
#include <hardware/camera.h>
#include <camera/CameraMetadata.h>
#include <utils/Mutex.h>
#include <utils/KeyedVector.h>
namespace android {
/**
* A wrapper class for HAL camera module.
*
* This class wraps camera_module_t returned from HAL to provide a wrapped
* get_camera_info implementation which CameraService generates some
* camera characteristics keys defined in newer HAL version on an older HAL.
*/
class CameraModule {
public:
CameraModule(camera_module_t *module);
int getCameraInfo(int cameraId, struct camera_info *info);
int getNumberOfCameras(void);
int open(const char* id, struct hw_device_t** device);
int openLegacy(const char* id, uint32_t halVersion, struct hw_device_t** device);
int setCallbacks(const camera_module_callbacks_t *callbacks);
bool isVendorTagDefined();
void getVendorTagOps(vendor_tag_ops_t* ops);
int setTorchMode(const char* camera_id, bool enable);
uint16_t getModuleApiVersion();
const char* getModuleName();
uint16_t getHalApiVersion();
const char* getModuleAuthor();
// Only used by CameraModuleFixture native test. Do NOT use elsewhere.
void *getDso();
private:
// Derive camera characteristics keys defined after HAL device version
static void deriveCameraCharacteristicsKeys(uint32_t deviceVersion, CameraMetadata &chars);
status_t filterOpenErrorCode(status_t err);
camera_module_t *mModule;
KeyedVector<int, camera_info> mCameraInfoMap;
KeyedVector<int, CameraMetadata> mCameraCharacteristicsMap;
Mutex mCameraInfoLock;
};
} // namespace android
#endif
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