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| |
| #ifndef QABSTRACTVIDEOBUFFER_H |
| #define QABSTRACTVIDEOBUFFER_H |
| |
| #include <QtMultimedia/qtmultimediaglobal.h> |
| #include <QtMultimedia/qmultimedia.h> |
| |
| |
| #include <QtCore/qmetatype.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QVariant; |
| |
| class QAbstractVideoBufferPrivate; |
| |
| class Q_MULTIMEDIA_EXPORT QAbstractVideoBuffer |
| { |
| public: |
| enum HandleType |
| { |
| NoHandle, |
| GLTextureHandle, |
| XvShmImageHandle, |
| CoreImageHandle, |
| QPixmapHandle, |
| EGLImageHandle, |
| UserHandle = 1000 |
| }; |
| |
| enum MapMode |
| { |
| NotMapped = 0x00, |
| ReadOnly = 0x01, |
| WriteOnly = 0x02, |
| ReadWrite = ReadOnly | WriteOnly |
| }; |
| |
| QAbstractVideoBuffer(HandleType type); |
| virtual ~QAbstractVideoBuffer(); |
| virtual void release(); |
| |
| HandleType handleType() const; |
| |
| virtual MapMode mapMode() const = 0; |
| |
| virtual uchar *map(MapMode mode, int *numBytes, int *bytesPerLine) = 0; |
| int mapPlanes(MapMode mode, int *numBytes, int bytesPerLine[4], uchar *data[4]); |
| virtual void unmap() = 0; |
| |
| virtual QVariant handle() const; |
| |
| protected: |
| QAbstractVideoBuffer(QAbstractVideoBufferPrivate &dd, HandleType type); |
| |
| QAbstractVideoBufferPrivate *d_ptr; // For expansion, not used currently |
| HandleType m_type; |
| |
| private: |
| Q_DECLARE_PRIVATE(QAbstractVideoBuffer) |
| Q_DISABLE_COPY(QAbstractVideoBuffer) |
| }; |
| |
| class QAbstractPlanarVideoBufferPrivate; |
| class Q_MULTIMEDIA_EXPORT QAbstractPlanarVideoBuffer : public QAbstractVideoBuffer |
| { |
| public: |
| QAbstractPlanarVideoBuffer(HandleType type); |
| virtual ~QAbstractPlanarVideoBuffer(); |
| |
| uchar *map(MapMode mode, int *numBytes, int *bytesPerLine) override; |
| virtual int map(MapMode mode, int *numBytes, int bytesPerLine[4], uchar *data[4]) = 0; |
| |
| protected: |
| QAbstractPlanarVideoBuffer(QAbstractPlanarVideoBufferPrivate &dd, HandleType type); |
| |
| private: |
| Q_DISABLE_COPY(QAbstractPlanarVideoBuffer) |
| }; |
| |
| #ifndef QT_NO_DEBUG_STREAM |
| Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, QAbstractVideoBuffer::HandleType); |
| Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, QAbstractVideoBuffer::MapMode); |
| #endif |
| |
| QT_END_NAMESPACE |
| |
| Q_DECLARE_METATYPE(QAbstractVideoBuffer::HandleType) |
| Q_DECLARE_METATYPE(QAbstractVideoBuffer::MapMode) |
| |
| #endif |