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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 CAMERA_HAL_H_
#define CAMERA_HAL_H_
#include <hardware/hardware.h>
#include <hardware/camera_common.h>
#include <utils/Vector.h>
#include <utils/Mutex.h>
#include "HotplugThread.h"
#include "Camera.h"
namespace usb_camera_hal {
class HotplugThread;
/**
* CameraHAL contains all module state that isn't specific to an individual camera device
*/
class CameraHAL {
public:
CameraHAL();
~CameraHAL();
// Camera Module Interface (see <hardware/camera_common.h>)
int getNumberOfCameras();
int getCameraInfo(int camera_id, struct camera_info *info);
int setCallbacks(const camera_module_callbacks_t *callbacks);
void getVendorTagOps(vendor_tag_ops_t* ops);
// Hardware Module Interface (see <hardware/hardware.h>)
int open(const hw_module_t* mod, const char* name, hw_device_t** dev);
private:
// Callback handle
const camera_module_callbacks_t *mCallbacks;
android::Vector<Camera*> mCameras;
// Lock to protect the module method calls.
android::Mutex mModuleLock;
// Hot plug thread managing camera hot plug.
HotplugThread *mHotplugThread;
};
} // namespace usb_camera_hal
#endif // CAMERA_HAL_H_