libcamera v0.3.1 Supporting cameras in Linux since 2019

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camera_manager.h
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1/* SPDX-License-Identifier: LGPL-2.1-or-later */
2/*
3 * Copyright (C) 2023, Ideas on Board Oy.
4 *
5 * Camera manager private data
6 */
7
8#pragma once
9
10#include <libcamera/camera_manager.h>
11
12#include <map>
13#include <memory>
14#include <sys/types.h>
15#include <vector>
16
17#include <libcamera/base/class.h>
18#include <libcamera/base/mutex.h>
19#include <libcamera/base/thread.h>
20#include <libcamera/base/thread_annotations.h>
21
22#include "libcamera/internal/ipa_manager.h"
23#include "libcamera/internal/process.h"
24
25 namespace libcamera {
26
27 class Camera;
28 class DeviceEnumerator;
29
30 class CameraManager::Private : public Extensible::Private, public Thread
31{
32 LIBCAMERA_DECLARE_PUBLIC(CameraManager)
33
34 public:
35 Private();
36
37 int start();
38 void addCamera(std::shared_ptr<Camera> camera) LIBCAMERA_TSA_EXCLUDES(mutex_);
39 void removeCamera(std::shared_ptr<Camera> camera) LIBCAMERA_TSA_EXCLUDES(mutex_);
40
41 protected:
42 void run() override;
43
44 private:
45 int init();
46 void createPipelineHandlers();
47 void pipelineFactoryMatch(const PipelineHandlerFactoryBase *factory);
48 void cleanup() LIBCAMERA_TSA_EXCLUDES(mutex_);
49
50 /*
51 * This mutex protects
52 *
53 * - initialized_ and status_ during initialization
54 * - cameras_ after initialization
55 */
56 mutable Mutex mutex_;
57 std::vector<std::shared_ptr<Camera>> cameras_ LIBCAMERA_TSA_GUARDED_BY(mutex_);
58
59 ConditionVariable cv_;
60 bool initialized_ LIBCAMERA_TSA_GUARDED_BY(mutex_);
61 int status_ LIBCAMERA_TSA_GUARDED_BY(mutex_);
62
63 std::unique_ptr<DeviceEnumerator> enumerator_;
64
65 IPAManager ipaManager_;
66 ProcessManager processManager_;
67};
68
69} /* namespace libcamera */
camera_manager.h
The camera manager.
class.h
Utilities to help constructing class interfaces.
LIBCAMERA_DECLARE_PUBLIC
#define LIBCAMERA_DECLARE_PUBLIC(klass)
Declare public data for a private class.
Definition class.h:57
libcamera::Extensible::Private::Private
Private()
Construct an instance of an Extensible class private data.
Definition class.cpp:194
libcamera::Thread::start
void start()
Start the thread.
Definition thread.cpp:281
libcamera::Thread::run
virtual void run()
Main function of the thread.
Definition thread.cpp:367
ipa_manager.h
Image Processing Algorithm module manager.
mutex.h
Mutex classes with clang thread safety annotation.
libcamera
Top-level libcamera namespace.
Definition backtrace.h:17
process.h
Process object.
thread.h
Thread support.