libcamera v0.0.0+3240-f2a18172-dirty (2022-05-13T12:52:26+00:00)
Supporting cameras in Linux since 2019
camera.h
1/* SPDX-License-Identifier: LGPL-2.1-or-later */
2/*
3 * Copyright (C) 2021, Google Inc.
4 *
5 * camera.h - Camera private data
6 */
7#ifndef __LIBCAMERA_INTERNAL_CAMERA_H__
8#define __LIBCAMERA_INTERNAL_CAMERA_H__
9
10#include <atomic>
11#include <list>
12#include <memory>
13#include <set>
14#include <string>
15
17
18#include <libcamera/camera.h>
19
20namespace libcamera {
21
22class CameraControlValidator;
23class PipelineHandler;
24class Stream;
25
27{
29
30public:
32 ~Private();
33
34 PipelineHandler *pipe() { return pipe_.get(); }
35
36 std::list<Request *> queuedRequests_;
39
41
42 const CameraControlValidator *validator() const { return validator_.get(); }
43
44private:
45 enum State {
46 CameraAvailable,
47 CameraAcquired,
48 CameraConfigured,
49 CameraStopping,
50 CameraRunning,
51 };
52
53 bool isRunning() const;
54 int isAccessAllowed(State state, bool allowDisconnected = false,
55 const char *from = __builtin_FUNCTION()) const;
56 int isAccessAllowed(State low, State high,
57 bool allowDisconnected = false,
58 const char *from = __builtin_FUNCTION()) const;
59
60 void disconnect();
61 void setState(State state);
62
63 std::shared_ptr<PipelineHandler> pipe_;
64 std::string id_;
65 std::set<Stream *> streams_;
66 std::set<const Stream *> activeStreams_;
67
68 bool disconnected_;
69 std::atomic<State> state_;
70
71 std::unique_ptr<CameraControlValidator> validator_;
72};
73
74} /* namespace libcamera */
75
76#endif /* __LIBCAMERA_INTERNAL_CAMERA_H__ */
Camera device handling.
Utilities to help constructing class interfaces.
#define LIBCAMERA_DECLARE_PUBLIC(klass)
Declare public data for a private class.
A control validator for Camera instances.
Definition: camera_controls.h:17
Base class for camera private data.
Definition: camera.h:27
PipelineHandler * pipe()
Retrieve the pipeline handler related to this camera.
Definition: camera.h:34
const CameraControlValidator * validator() const
Retrieve the control validator related to this camera.
Definition: camera.h:42
ControlInfoMap controlInfo_
The set of controls supported by the camera.
Definition: camera.h:37
uint32_t requestSequence_
The queuing sequence number of the request.
Definition: camera.h:40
ControlList properties_
The list of properties supported by the camera.
Definition: camera.h:38
std::list< Request * > queuedRequests_
The list of queued and not yet completed requests.
Definition: camera.h:36
Camera device.
Definition: camera.h:77
A map of ControlId to ControlInfo.
Definition: controls.h:306
Associate a list of ControlId with their values for an object.
Definition: controls.h:350
Base class for private data managed through a d-pointer.
Definition: class.h:65
Private()
Construct an instance of an Extensible class private data.
Definition: class.cpp:194
Create and manage cameras based on a set of media devices.
Definition: pipeline_handler.h:37
Top-level libcamera namespace.
Definition: backtrace.h:17