blob: a13adb79525f4ba0e97fafd368c2066096617619 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*
* 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:
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_
|
