libcamera v0.0.0+1-ab0bf965
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 PipelineHandler;
23class Stream;
24
26{
28
29public:
31 ~Private();
32
33 PipelineHandler *pipe() { return pipe_.get(); }
34
35 std::list<Request *> queuedRequests_;
38
40
41private:
42 enum State {
43 CameraAvailable,
44 CameraAcquired,
45 CameraConfigured,
46 CameraStopping,
47 CameraRunning,
48 };
49
50 bool isRunning() const;
51 int isAccessAllowed(State state, bool allowDisconnected = false,
52 const char *from = __builtin_FUNCTION()) const;
53 int isAccessAllowed(State low, State high,
54 bool allowDisconnected = false,
55 const char *from = __builtin_FUNCTION()) const;
56
57 void disconnect();
58 void setState(State state);
59
60 std::shared_ptr<PipelineHandler> pipe_;
61 std::string id_;
62 std::set<Stream *> streams_;
63 std::set<const Stream *> activeStreams_;
64
65 bool disconnected_;
66 std::atomic<State> state_;
67};
68
69} /* namespace libcamera */
70
71#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.
Base class for camera private data.
Definition: camera.h:26
PipelineHandler * pipe()
Retrieve the pipeline handler related to this camera.
Definition: camera.h:33
ControlInfoMap controlInfo_
The set of controls supported by the camera.
Definition: camera.h:36
uint32_t requestSequence_
The queuing sequence number of the request.
Definition: camera.h:39
ControlList properties_
The list of properties supported by the camera.
Definition: camera.h:37
std::list< Request * > queuedRequests_
The list of queued and not yet completed requests.
Definition: camera.h:35
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: bound_method.h:15