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39
40#ifndef QABSTRACTVIDEOFILTER_H
41#define QABSTRACTVIDEOFILTER_H
42
43#include <QtCore/qobject.h>
44#include <QtMultimedia/qvideoframe.h>
45#include <QtMultimedia/qvideosurfaceformat.h>
46
47QT_BEGIN_NAMESPACE
48
49class QAbstractVideoFilterPrivate;
50
51class Q_MULTIMEDIA_EXPORT QVideoFilterRunnable
52{
53public:
54 enum RunFlag {
55 LastInChain = 0x01
56 };
57 Q_DECLARE_FLAGS(RunFlags, RunFlag)
58
59 virtual ~QVideoFilterRunnable();
60 virtual QVideoFrame run(QVideoFrame *input, const QVideoSurfaceFormat &surfaceFormat, RunFlags flags) = 0;
61};
62
63Q_DECLARE_OPERATORS_FOR_FLAGS(QVideoFilterRunnable::RunFlags)
64
65class Q_MULTIMEDIA_EXPORT QAbstractVideoFilter : public QObject
66{
67 Q_OBJECT
68 Q_PROPERTY(bool active READ isActive WRITE setActive NOTIFY activeChanged)
69
70public:
71 explicit QAbstractVideoFilter(QObject *parent = nullptr);
72 ~QAbstractVideoFilter();
73
74 bool isActive() const;
75 void setActive(bool v);
76
77 virtual QVideoFilterRunnable *createFilterRunnable() = 0;
78
79Q_SIGNALS:
80 void activeChanged();
81
82private:
83 Q_DECLARE_PRIVATE(QAbstractVideoFilter)
84 Q_DISABLE_COPY(QAbstractVideoFilter)
85
86 QAbstractVideoFilterPrivate *d_ptr;
87};
88
89QT_END_NAMESPACE
90
91#endif // QABSTRACTVIDEOFILTER_H
92

source code of qtmultimedia/src/multimedia/video/qabstractvideofilter.h