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39
40#ifndef CAMERABINFOCUSCONTROL_H
41#define CAMERABINFOCUSCONTROL_H
42
43#include <qcamera.h>
44#include <qcamerafocuscontrol.h>
45
46#include <private/qgstreamerbufferprobe_p.h>
47
48#include <qbasictimer.h>
49#include <qmutex.h>
50#include <qvector.h>
51
52#include <gst/gst.h>
53#include <glib.h>
54
55QT_BEGIN_NAMESPACE
56
57class CameraBinSession;
58
59class CameraBinFocus
60 : public QCameraFocusControl
61#if GST_CHECK_VERSION(1,0,0)
62 , QGstreamerBufferProbe
63#endif
64{
65 Q_OBJECT
66
67public:
68 CameraBinFocus(CameraBinSession *session);
69 virtual ~CameraBinFocus();
70
71 QCameraFocus::FocusModes focusMode() const override;
72 void setFocusMode(QCameraFocus::FocusModes mode) override;
73 bool isFocusModeSupported(QCameraFocus::FocusModes mode) const override;
74
75 QCameraFocus::FocusPointMode focusPointMode() const override;
76 void setFocusPointMode(QCameraFocus::FocusPointMode mode) override;
77 bool isFocusPointModeSupported(QCameraFocus::FocusPointMode) const override;
78 QPointF customFocusPoint() const override;
79 void setCustomFocusPoint(const QPointF &point) override;
80
81 QCameraFocusZoneList focusZones() const override;
82
83 void handleFocusMessage(GstMessage*);
84 QCamera::LockStatus focusStatus() const { return m_focusStatus; }
85
86Q_SIGNALS:
87 void _q_focusStatusChanged(QCamera::LockStatus status, QCamera::LockChangeReason reason);
88
89public Q_SLOTS:
90 void _q_startFocusing();
91 void _q_stopFocusing();
92
93 void setViewfinderResolution(const QSize &resolution);
94
95#if GST_CHECK_VERSION(1,0,0)
96protected:
97 void timerEvent(QTimerEvent *event) override;
98#endif
99
100private Q_SLOTS:
101 void _q_setFocusStatus(QCamera::LockStatus status, QCamera::LockChangeReason reason);
102 void _q_handleCameraStatusChange(QCamera::Status status);
103
104#if GST_CHECK_VERSION(1,0,0)
105 void _q_updateFaces();
106#endif
107
108private:
109 void resetFocusPoint();
110 void updateRegionOfInterest(const QRectF &rectangle);
111 void updateRegionOfInterest(const QVector<QRect> &rectangles);
112
113#if GST_CHECK_VERSION(1,0,0)
114 bool probeBuffer(GstBuffer *buffer) override;
115#endif
116
117 CameraBinSession *m_session;
118 QCamera::Status m_cameraStatus;
119 QCameraFocus::FocusModes m_focusMode;
120 QCameraFocus::FocusPointMode m_focusPointMode;
121 QCamera::LockStatus m_focusStatus;
122 QCameraFocusZone::FocusZoneStatus m_focusZoneStatus;
123 QPointF m_focusPoint;
124 QRectF m_focusRect;
125 QSize m_viewfinderResolution;
126 QVector<QRect> m_faces;
127 QVector<QRect> m_faceFocusRects;
128 QBasicTimer m_faceResetTimer;
129 mutable QMutex m_mutex;
130};
131
132QT_END_NAMESPACE
133
134#endif // CAMERABINFOCUSCONTROL_H
135

source code of qtmultimedia/src/plugins/gstreamer/camerabin/camerabinfocus.h