blob: 8a13041b1d7de9914492084485ec521c2ecb1fdb (
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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#ifndef DIRECTSHOWCAMERAEXPOSURECONTROL_H
#define DIRECTSHOWCAMERAEXPOSURECONTROL_H
#include <QtMultimedia/qcameraexposurecontrol.h>
struct IAMCameraControl;
QT_BEGIN_NAMESPACE
class DSCameraSession;
class DirectShowCameraExposureControl : public QCameraExposureControl
{
Q_OBJECT
public:
DirectShowCameraExposureControl(DSCameraSession *session);
bool isParameterSupported(ExposureParameter parameter) const override;
QVariantList supportedParameterRange(ExposureParameter parameter, bool *continuous) const override;
QVariant requestedValue(ExposureParameter parameter) const override;
QVariant actualValue(ExposureParameter parameter) const override;
bool setValue(ExposureParameter parameter, const QVariant &value) override;
private Q_SLOTS:
void onStatusChanged(QCamera::Status status);
private:
DSCameraSession *m_session;
struct ExposureValues
{
long caps;
long minValue;
long maxValue;
long stepping;
long defaultValue;
} m_shutterSpeedValues, m_apertureValues;
qreal m_requestedShutterSpeed;
qreal m_currentShutterSpeed;
qreal m_requestedAperture;
qreal m_currentAperture;
QVariantList m_supportedShutterSpeeds;
QVariantList m_supportedApertureValues;
QVariantList m_supportedExposureModes;
QCameraExposure::ExposureMode m_requestedExposureMode;
QCameraExposure::ExposureMode m_currentExposureMode;
void updateExposureSettings();
bool setShutterSpeed(IAMCameraControl *cameraControl, qreal shutterSpeed);
bool setAperture(IAMCameraControl *cameraControl, qreal aperture);
bool setExposureMode(IAMCameraControl *cameraControl, QCameraExposure::ExposureMode mode);
};
QT_END_NAMESPACE
#endif // DIRECTSHOWCAMERAEXPOSURECONTROL_H
|
