libcamera v0.4.0
Supporting cameras in Linux since 2019
 
Loading...
Searching...
No Matches
camera.h
Go to the documentation of this file.
1/* SPDX-License-Identifier: LGPL-2.1-or-later */
2/*
3 * Copyright (C) 2021, Google Inc.
4 *
5 * Camera private data
6 */
7
8#pragma once
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
23class PipelineHandler;
24class Stream;
25
27{
29
30public:
31 Private(PipelineHandler *pipe);
32 ~Private();
33
34 PipelineHandler *pipe() { return pipe_.get(); }
35 const PipelineHandler *pipe() const { return pipe_.get(); }
36
37 std::list<Request *> queuedRequests_;
40
42
43 const CameraControlValidator *validator() const { return validator_.get(); }
44
45private:
46 enum State {
47 CameraAvailable,
48 CameraAcquired,
49 CameraConfigured,
50 CameraStopping,
51 CameraRunning,
52 };
53
54 bool isAcquired() const;
55 bool isRunning() const;
56 int isAccessAllowed(State state, bool allowDisconnected = false,
57 const char *from = __builtin_FUNCTION()) const;
58 int isAccessAllowed(State low, State high,
59 bool allowDisconnected = false,
60 const char *from = __builtin_FUNCTION()) const;
61
62 void disconnect();
63 void setState(State state);
64
65 std::shared_ptr<PipelineHandler> pipe_;
66 std::string id_;
67 std::set<Stream *> streams_;
68 std::set<const Stream *> activeStreams_;
69
70 bool disconnected_;
71 std::atomic<State> state_;
72
73 std::unique_ptr<CameraControlValidator> validator_;
74};
75
76} /* namespace libcamera */
Camera device handling.
Utilities to help constructing class interfaces.
#define LIBCAMERA_DECLARE_PUBLIC(klass)
Declare public data for a private class.
Definition class.h:57
A control validator for Camera instances.
Definition camera_controls.h:17
Base class for camera private data.
Definition camera.h:27
uint32_t requestSequence_
The queuing sequence number of the request.
Definition camera.h:41
std::list< Request * > queuedRequests_
The list of queued and not yet completed requests.
Definition camera.h:37
const PipelineHandler * pipe() const
Retrieve the pipeline handler related to this camera.
Definition camera.h:35
ControlList properties_
The list of properties supported by the camera.
Definition camera.h:39
Private(PipelineHandler *pipe)
Construct a Camera::Private instance.
Definition camera.cpp:588
PipelineHandler * pipe()
Retrieve the pipeline handler related to this camera.
Definition camera.h:34
ControlInfoMap controlInfo_
The set of controls supported by the camera.
Definition camera.h:38
const CameraControlValidator * validator() const
Retrieve the control validator related to this camera.
Definition camera.h:43
A map of ControlId to ControlInfo.
Definition controls.h:367
Associate a list of ControlId with their values for an object.
Definition controls.h:411
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:35
Video stream for a camera.
Definition stream.h:76
Top-level libcamera namespace.
Definition backtrace.h:17