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Diffstat (limited to 'src/multimediawidgets/qpaintervideosurface_p.h')
| -rw-r--r-- | src/multimediawidgets/qpaintervideosurface_p.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/multimediawidgets/qpaintervideosurface_p.h b/src/multimediawidgets/qpaintervideosurface_p.h new file mode 100644 index 000000000..a8b535b59 --- /dev/null +++ b/src/multimediawidgets/qpaintervideosurface_p.h @@ -0,0 +1,191 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPAINTERVIDEOSURFACE_P_H +#define QPAINTERVIDEOSURFACE_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <qtmultimediawidgetdefs.h> +#include <QtCore/qsize.h> +#include <QtGui/qimage.h> +#include <QtGui/qmatrix4x4.h> +#include <QtGui/qpaintengine.h> +#include <qabstractvideosurface.h> +#include <qvideoframe.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Multimedia) + +class QGLContext; +QT_END_NAMESPACE + +QT_USE_NAMESPACE + +QT_BEGIN_NAMESPACE + +class QVideoSurfacePainter +{ +public: + virtual ~QVideoSurfacePainter(); + + virtual QList<QVideoFrame::PixelFormat> supportedPixelFormats( + QAbstractVideoBuffer::HandleType handleType) const = 0; + + virtual bool isFormatSupported( + const QVideoSurfaceFormat &format, QVideoSurfaceFormat *similar) const = 0; + + virtual QAbstractVideoSurface::Error start(const QVideoSurfaceFormat &format) = 0; + virtual void stop() = 0; + + virtual QAbstractVideoSurface::Error setCurrentFrame(const QVideoFrame &frame) = 0; + + virtual QAbstractVideoSurface::Error paint( + const QRectF &target, QPainter *painter, const QRectF &source) = 0; + + virtual void updateColors(int brightness, int contrast, int hue, int saturation) = 0; + virtual void viewportDestroyed() {} +}; + + +class Q_AUTOTEST_EXPORT QPainterVideoSurface : public QAbstractVideoSurface +{ + Q_OBJECT +public: + explicit QPainterVideoSurface(QObject *parent = 0); + ~QPainterVideoSurface(); + + QList<QVideoFrame::PixelFormat> supportedPixelFormats( + QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const; + + bool isFormatSupported( + const QVideoSurfaceFormat &format, QVideoSurfaceFormat *similar = 0) const; + + bool start(const QVideoSurfaceFormat &format); + void stop(); + + bool present(const QVideoFrame &frame); + + int brightness() const; + void setBrightness(int brightness); + + int contrast() const; + void setContrast(int contrast); + + int hue() const; + void setHue(int hue); + + int saturation() const; + void setSaturation(int saturation); + + bool isReady() const; + void setReady(bool ready); + + void paint(QPainter *painter, const QRectF &target, const QRectF &source = QRectF(0, 0, 1, 1)); + +#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_1_CL) && !defined(QT_OPENGL_ES_1) + const QGLContext *glContext() const; + void setGLContext(QGLContext *context); + + enum ShaderType + { + NoShaders = 0x00, + FragmentProgramShader = 0x01, + GlslShader = 0x02 + }; + + Q_DECLARE_FLAGS(ShaderTypes, ShaderType) + + ShaderTypes supportedShaderTypes() const; + + ShaderType shaderType() const; + void setShaderType(ShaderType type); +#endif + +public Q_SLOTS: + void viewportDestroyed(); + +Q_SIGNALS: + void frameChanged(); + +private: + void createPainter(); + + QVideoSurfacePainter *m_painter; +#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_1_CL) && !defined(QT_OPENGL_ES_1) + QGLContext *m_glContext; + ShaderTypes m_shaderTypes; + ShaderType m_shaderType; +#endif + int m_brightness; + int m_contrast; + int m_hue; + int m_saturation; + + QVideoFrame::PixelFormat m_pixelFormat; + QSize m_frameSize; + QRect m_sourceRect; + bool m_colorsDirty; + bool m_ready; +}; + +#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_1_CL) && !defined(QT_OPENGL_ES_1) +Q_DECLARE_OPERATORS_FOR_FLAGS(QPainterVideoSurface::ShaderTypes) +#endif + +QT_END_NAMESPACE + +QT_END_HEADER + + +#endif |