source: trunk/src/multimedia/video/qvideosurfaceformat.h@ 971

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**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation ([email protected])
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** This file is part of the QtMultimedia module of the Qt Toolkit.
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
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#ifndef QVIDEOSURFACEFORMAT_H
#define QVIDEOSURFACEFORMAT_H

#include <QtCore/qlist.h>
#include <QtCore/qpair.h>
#include <QtCore/qshareddata.h>
#include <QtCore/qsize.h>
#include <QtGui/qimage.h>
#include <QtMultimedia/qvideoframe.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Multimedia)

class QDebug;

class QVideoSurfaceFormatPrivate;

class Q_MULTIMEDIA_EXPORT QVideoSurfaceFormat
{
public:
    enum Direction
    {
        TopToBottom,
        BottomToTop
    };

    enum YCbCrColorSpace
    {
        YCbCr_Undefined,
        YCbCr_BT601,
        YCbCr_BT709,
        YCbCr_xvYCC601,
        YCbCr_xvYCC709,
        YCbCr_JPEG,
#ifndef qdoc
        YCbCr_CustomMatrix
#endif
    };

    QVideoSurfaceFormat();
    QVideoSurfaceFormat(
            const QSize &size,
            QVideoFrame::PixelFormat pixelFormat,
            QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle);
    QVideoSurfaceFormat(const QVideoSurfaceFormat &format);
    ~QVideoSurfaceFormat();

    QVideoSurfaceFormat &operator =(const QVideoSurfaceFormat &format);

    bool operator ==(const QVideoSurfaceFormat &format) const;
    bool operator !=(const QVideoSurfaceFormat &format) const;

    bool isValid() const;

    QVideoFrame::PixelFormat pixelFormat() const;
    QAbstractVideoBuffer::HandleType handleType() const;

    QSize frameSize() const;
    void setFrameSize(const QSize &size);
    void setFrameSize(int width, int height);

    int frameWidth() const;
    int frameHeight() const;

    QRect viewport() const;
    void setViewport(const QRect &viewport);

    Direction scanLineDirection() const;
    void setScanLineDirection(Direction direction);

    qreal frameRate() const;
    void setFrameRate(qreal rate);

    QSize pixelAspectRatio() const;
    void setPixelAspectRatio(const QSize &ratio);
    void setPixelAspectRatio(int width, int height);

    YCbCrColorSpace yCbCrColorSpace() const;
    void setYCbCrColorSpace(YCbCrColorSpace colorSpace);

    QSize sizeHint() const;

    QList<QByteArray> propertyNames() const;
    QVariant property(const char *name) const;
    void setProperty(const char *name, const QVariant &value);

private:
    QSharedDataPointer<QVideoSurfaceFormatPrivate> d;
};

#ifndef QT_NO_DEBUG_STREAM
Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, const QVideoSurfaceFormat &);
#endif

QT_END_NAMESPACE

Q_DECLARE_METATYPE(QVideoSurfaceFormat::Direction)
Q_DECLARE_METATYPE(QVideoSurfaceFormat::YCbCrColorSpace)

QT_END_HEADER

#endif