qtmobility/src/multimedia/qpaintervideosurface_p.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 11 Jun 2010 14:26:25 +0300
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permissions -rw-r--r--
Revision: 201021 Kit: 2010123
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QPAINTERVIDEOSURFACE_P_H
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#define QPAINTERVIDEOSURFACE_P_H
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <qmobilityglobal.h>
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#include <QtCore/qsize.h>
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#include <QtGui/qimage.h>
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#include <QtGui/qmatrix4x4.h>
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#include <QtGui/qpaintengine.h>
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#include <QtMultimedia/qabstractvideosurface.h>
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#include <QtMultimedia/qvideoframe.h>
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QT_BEGIN_NAMESPACE
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class QGLContext;
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QT_END_NAMESPACE
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QT_USE_NAMESPACE
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QT_BEGIN_NAMESPACE
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class QVideoSurfacePainter;
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class Q_AUTOTEST_EXPORT QPainterVideoSurface : public QAbstractVideoSurface
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{
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    Q_OBJECT
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public:
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    explicit QPainterVideoSurface(QObject *parent = 0);
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    ~QPainterVideoSurface();
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    QList<QVideoFrame::PixelFormat> supportedPixelFormats(
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            QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const;
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    bool isFormatSupported(
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            const QVideoSurfaceFormat &format, QVideoSurfaceFormat *similar = 0) const;
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    bool start(const QVideoSurfaceFormat &format);
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    void stop();
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    bool present(const QVideoFrame &frame);
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    int brightness() const;
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    void setBrightness(int brightness);
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    int contrast() const;
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    void setContrast(int contrast);
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    int hue() const;
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    void setHue(int hue);
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    int saturation() const;
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    void setSaturation(int saturation);
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    bool isReady() const;
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    void setReady(bool ready);
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    void paint(QPainter *painter, const QRectF &target, const QRectF &source = QRectF(0, 0, 1, 1));
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#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_1_CL) && !defined(QT_OPENGL_ES_1)
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    const QGLContext *glContext() const;
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    void setGLContext(QGLContext *context);
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    enum ShaderType
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    {
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        NoShaders = 0x00,
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        FragmentProgramShader = 0x01,
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        GlslShader = 0x02
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    };
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    Q_DECLARE_FLAGS(ShaderTypes, ShaderType)
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    ShaderTypes supportedShaderTypes() const;
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    ShaderType shaderType() const;
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    void setShaderType(ShaderType type);
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#endif
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Q_SIGNALS:
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    void frameChanged();
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private:
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    void createPainter();
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    QVideoSurfacePainter *m_painter;
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#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_1_CL) && !defined(QT_OPENGL_ES_1)
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    QGLContext *m_glContext;
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    ShaderTypes m_shaderTypes;
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    ShaderType m_shaderType;
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#endif
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    int m_brightness;
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    int m_contrast;
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    int m_hue;
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    int m_saturation;
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    QVideoFrame::PixelFormat m_pixelFormat;
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    QSize m_frameSize;
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    QRect m_sourceRect;
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    bool m_colorsDirty;
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    bool m_ready;
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};
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#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_1_CL) && !defined(QT_OPENGL_ES_1)
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Q_DECLARE_OPERATORS_FOR_FLAGS(QPainterVideoSurface::ShaderTypes)
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#endif
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QT_END_NAMESPACE
1
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#endif