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39 | |
40 | #ifndef QABSTRACTVIDEOBUFFER_H |
41 | #define QABSTRACTVIDEOBUFFER_H |
42 | |
43 | #include <QtMultimedia/qtmultimediaglobal.h> |
44 | #include <QtMultimedia/qmultimedia.h> |
45 | |
46 | |
47 | #include <QtCore/qmetatype.h> |
48 | |
49 | QT_BEGIN_NAMESPACE |
50 | |
51 | |
52 | class QVariant; |
53 | |
54 | class QAbstractVideoBufferPrivate; |
55 | |
56 | class Q_MULTIMEDIA_EXPORT QAbstractVideoBuffer |
57 | { |
58 | public: |
59 | enum HandleType |
60 | { |
61 | NoHandle, |
62 | GLTextureHandle, |
63 | XvShmImageHandle, |
64 | CoreImageHandle, |
65 | QPixmapHandle, |
66 | EGLImageHandle, |
67 | GLTextureRectangleHandle, |
68 | UserHandle = 1000 |
69 | }; |
70 | |
71 | enum MapMode |
72 | { |
73 | NotMapped = 0x00, |
74 | ReadOnly = 0x01, |
75 | WriteOnly = 0x02, |
76 | ReadWrite = ReadOnly | WriteOnly |
77 | }; |
78 | |
79 | QAbstractVideoBuffer(HandleType type); |
80 | virtual ~QAbstractVideoBuffer(); |
81 | virtual void release(); |
82 | |
83 | HandleType handleType() const; |
84 | |
85 | virtual MapMode mapMode() const = 0; |
86 | |
87 | virtual uchar *map(MapMode mode, int *numBytes, int *bytesPerLine) = 0; |
88 | int mapPlanes(MapMode mode, int *numBytes, int bytesPerLine[4], uchar *data[4]); |
89 | virtual void unmap() = 0; |
90 | |
91 | virtual QVariant handle() const; |
92 | |
93 | protected: |
94 | QAbstractVideoBuffer(QAbstractVideoBufferPrivate &dd, HandleType type); |
95 | |
96 | QAbstractVideoBufferPrivate *d_ptr; // For expansion, not used currently |
97 | HandleType m_type; |
98 | |
99 | private: |
100 | Q_DECLARE_PRIVATE(QAbstractVideoBuffer) |
101 | Q_DISABLE_COPY(QAbstractVideoBuffer) |
102 | }; |
103 | |
104 | class QAbstractPlanarVideoBufferPrivate; |
105 | class Q_MULTIMEDIA_EXPORT QAbstractPlanarVideoBuffer : public QAbstractVideoBuffer |
106 | { |
107 | public: |
108 | QAbstractPlanarVideoBuffer(HandleType type); |
109 | virtual ~QAbstractPlanarVideoBuffer(); |
110 | |
111 | uchar *map(MapMode mode, int *numBytes, int *bytesPerLine) override; |
112 | virtual int map(MapMode mode, int *numBytes, int bytesPerLine[4], uchar *data[4]) = 0; |
113 | |
114 | protected: |
115 | QAbstractPlanarVideoBuffer(QAbstractPlanarVideoBufferPrivate &dd, HandleType type); |
116 | |
117 | private: |
118 | Q_DISABLE_COPY(QAbstractPlanarVideoBuffer) |
119 | }; |
120 | |
121 | #ifndef QT_NO_DEBUG_STREAM |
122 | Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, QAbstractVideoBuffer::HandleType); |
123 | Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, QAbstractVideoBuffer::MapMode); |
124 | #endif |
125 | |
126 | QT_END_NAMESPACE |
127 | |
128 | Q_DECLARE_METATYPE(QAbstractVideoBuffer::HandleType) |
129 | Q_DECLARE_METATYPE(QAbstractVideoBuffer::MapMode) |
130 | |
131 | #endif |
132 | |