You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
1.6 KiB
53 lines
1.6 KiB
/*
|
|
* 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 HOTPLUG_THREAD_H_
|
|
#define HOTPLUG_THREAD_H_
|
|
|
|
#include <utils/Thread.h>
|
|
#include "CameraHAL.h"
|
|
|
|
namespace usb_camera_hal {
|
|
/**
|
|
* Thread for managing usb camera hotplug. It does below:
|
|
* 1. Monitor camera hotplug status, and notify the status changes by calling
|
|
* module callback methods.
|
|
* 2. When camera is plugged, create camera device instance, initialize the camera
|
|
* static info. When camera is unplugged, destroy the camera device instance and
|
|
* static metadata. As an optimization option, the camera device instance (including
|
|
* the static info) could be cached when the same camera plugged/unplugged multiple
|
|
* times.
|
|
*/
|
|
|
|
class CameraHAL;
|
|
|
|
class HotplugThread : public android::Thread {
|
|
|
|
public:
|
|
explicit HotplugThread(CameraHAL *hal);
|
|
~HotplugThread();
|
|
|
|
// Override below two methods for proper cleanup.
|
|
virtual bool threadLoop();
|
|
virtual void requestExit();
|
|
|
|
private:
|
|
CameraHAL *mModule;
|
|
};
|
|
|
|
} // namespace usb_camera_hal
|
|
|
|
#endif // HOTPLUG_THREAD_H_
|