summaryrefslogtreecommitdiffstats
path: root/src/multimedia/platform/gstreamer/mediacapture/qgstreamercamera_p.h
blob: 2397cfa8446606da9c74b9ccb92f3933049758a1 (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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/


#ifndef QGSTREAMERCAMERACONTROL_H
#define QGSTREAMERCAMERACONTROL_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QHash>
#include <private/qplatformcamera_p.h>
#include "qgstreamermediacapture_p.h"
#include <private/qgst_p.h>
#include <gst/video/colorbalance.h>

QT_BEGIN_NAMESPACE
class QGstreamerImageProcessing;

class QGstreamerCamera : public QPlatformCamera
{
    Q_OBJECT
public:
    QGstreamerCamera(QCamera *camera);
    virtual ~QGstreamerCamera();

    bool isActive() const override;
    void setActive(bool active) override;

    void setCamera(const QCameraInfo &camera) override;
    bool setCameraFormat(const QCameraFormat &format) override;
    void setCameraFormatInternal(const QCameraFormat &format);

    void setCaptureSession(QPlatformMediaCaptureSession *session) override;

    QGstElement gstElement() const { return gstCameraBin.element(); }
    void setPipeline(const QGstPipeline &pipeline) { gstPipeline = pipeline; }

    QPlatformCameraImageProcessing *imageProcessingControl() override;

#if QT_CONFIG(gstreamer_photography)
    GstPhotography *photography() const;

    void setFocusMode(QCamera::FocusMode mode) override;
    bool isFocusModeSupported(QCamera::FocusMode mode) const override;

    void setFlashMode(QCamera::FlashMode mode) override;
    bool isFlashModeSupported(QCamera::FlashMode mode) const override;
    bool isFlashReady() const override;

    void setExposureMode(QCamera::ExposureMode) override;
    bool isExposureModeSupported(QCamera::ExposureMode mode) const override;
    void setExposureCompensation(float) override;
    void setManualIsoSensitivity(int) override;
    int isoSensitivity() const override;
    void setManualShutterSpeed(float) override;
    float shutterSpeed() const override;
#endif

    QString v4l2Device() const { return m_v4l2Device; }
    bool isV4L2Camera() const { return !m_v4l2Device.isEmpty(); }

    GstColorBalance *colorBalance() const;

private:
    QGstreamerMediaCapture *m_session = nullptr;

    QGstreamerImageProcessing *imageProcessing = nullptr;

    QCameraInfo m_cameraInfo;

    QGstPipeline gstPipeline;

    QGstBin gstCameraBin;
    QGstElement gstCamera;
    QGstElement gstDecode;
    QGstElement gstVideoConvert;
    QGstElement gstVideoScale;

    bool m_active = false;
    QString m_v4l2Device;
};

QT_END_NAMESPACE

#endif // QGSTREAMERCAMERACONTROL_H