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Diffstat (limited to 'src/multimedia/mediaservices/base/qvideowidget_p.h')
| -rw-r--r-- | src/multimedia/mediaservices/base/qvideowidget_p.h | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/src/multimedia/mediaservices/base/qvideowidget_p.h b/src/multimedia/mediaservices/base/qvideowidget_p.h new file mode 100644 index 0000000..bb44dfa --- /dev/null +++ b/src/multimedia/mediaservices/base/qvideowidget_p.h @@ -0,0 +1,271 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtMediaServices module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QVIDEOWIDGET_P_H +#define QVIDEOWIDGET_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 <QtMediaServices/qvideowidget.h> + +#ifndef QT_NO_OPENGL +#include <QGLWidget> +#endif + +#include "qpaintervideosurface_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + + +class QVideoWidgetControlInterface +{ +public: + virtual ~QVideoWidgetControlInterface() {} + + virtual void setBrightness(int brightness) = 0; + virtual void setContrast(int contrast) = 0; + virtual void setHue(int hue) = 0; + virtual void setSaturation(int saturation) = 0; + + virtual void setFullScreen(bool fullScreen) = 0; + + virtual Qt::AspectRatioMode aspectRatioMode() const = 0; + virtual void setAspectRatioMode(Qt::AspectRatioMode mode) = 0; +}; + +class QVideoWidgetBackend : public QObject, public QVideoWidgetControlInterface +{ + Q_OBJECT + +public: + virtual QSize sizeHint() const = 0; + + virtual void showEvent() = 0; + virtual void hideEvent(QHideEvent *event) = 0; + virtual void resizeEvent(QResizeEvent *event) = 0; + virtual void moveEvent(QMoveEvent *event) = 0; + virtual void paintEvent(QPaintEvent *event) = 0; +}; + +class QVideoWidgetControl; + +class QVideoWidgetControlBackend : public QObject, public QVideoWidgetControlInterface +{ + Q_OBJECT +public: + QVideoWidgetControlBackend(QVideoWidgetControl *control, QWidget *widget); + + void setBrightness(int brightness); + void setContrast(int contrast); + void setHue(int hue); + void setSaturation(int saturation); + + void setFullScreen(bool fullScreen); + + Qt::AspectRatioMode aspectRatioMode() const; + void setAspectRatioMode(Qt::AspectRatioMode mode); + +private: + QVideoWidgetControl *m_widgetControl; +}; + + +class QVideoRendererControl; + +class QRendererVideoWidgetBackend : public QVideoWidgetBackend +{ + Q_OBJECT +public: + QRendererVideoWidgetBackend(QVideoRendererControl *control, QWidget *widget); + ~QRendererVideoWidgetBackend(); + + void clearSurface(); + + void setBrightness(int brightness); + void setContrast(int contrast); + void setHue(int hue); + void setSaturation(int saturation); + + void setFullScreen(bool fullScreen); + + Qt::AspectRatioMode aspectRatioMode() const; + void setAspectRatioMode(Qt::AspectRatioMode mode); + + QSize sizeHint() const; + + void showEvent(); + void hideEvent(QHideEvent *event); + void resizeEvent(QResizeEvent *event); + void moveEvent(QMoveEvent *event); + void paintEvent(QPaintEvent *event); + +Q_SIGNALS: + void fullScreenChanged(bool fullScreen); + void brightnessChanged(int brightness); + void contrastChanged(int contrast); + void hueChanged(int hue); + void saturationChanged(int saturation); + +private Q_SLOTS: + void formatChanged(const QVideoSurfaceFormat &format); + void frameChanged(); + +private: + void updateRects(); + + QVideoRendererControl *m_rendererControl; + QWidget *m_widget; + QPainterVideoSurface *m_surface; + Qt::AspectRatioMode m_aspectRatioMode; + QRect m_boundingRect; + QRectF m_sourceRect; + QSize m_nativeSize; + bool m_updatePaintDevice; +}; + +class QVideoWindowControl; + +class QWindowVideoWidgetBackend : public QVideoWidgetBackend +{ + Q_OBJECT +public: + QWindowVideoWidgetBackend(QVideoWindowControl *control, QWidget *widget); + ~QWindowVideoWidgetBackend(); + + void setBrightness(int brightness); + void setContrast(int contrast); + void setHue(int hue); + void setSaturation(int saturation); + + void setFullScreen(bool fullScreen); + + Qt::AspectRatioMode aspectRatioMode() const; + void setAspectRatioMode(Qt::AspectRatioMode mode); + + QSize sizeHint() const; + + void showEvent(); + void hideEvent(QHideEvent *event); + void resizeEvent(QResizeEvent *event); + void moveEvent(QMoveEvent *event); + void paintEvent(QPaintEvent *event); + +private: + QVideoWindowControl *m_windowControl; + QWidget *m_widget; + Qt::AspectRatioMode m_aspectRatioMode; + QSize m_pixelAspectRatio; +}; + +class QMediaService; +class QVideoOutputControl; + +class QVideoWidgetPrivate +{ + Q_DECLARE_PUBLIC(QVideoWidget) +public: + QVideoWidgetPrivate() + : q_ptr(0) + , mediaObject(0) + , service(0) + , outputControl(0) + , widgetBackend(0) + , windowBackend(0) + , rendererBackend(0) + , currentControl(0) + , currentBackend(0) + , brightness(0) + , contrast(0) + , hue(0) + , saturation(0) + , aspectRatioMode(Qt::KeepAspectRatio) + , nonFullScreenFlags(0) + , wasFullScreen(false) + { + } + + QVideoWidget *q_ptr; + QMediaObject *mediaObject; + QMediaService *service; + QVideoOutputControl *outputControl; + QVideoWidgetControlBackend *widgetBackend; + QWindowVideoWidgetBackend *windowBackend; + QRendererVideoWidgetBackend *rendererBackend; + QVideoWidgetControlInterface *currentControl; + QVideoWidgetBackend *currentBackend; + int brightness; + int contrast; + int hue; + int saturation; + Qt::AspectRatioMode aspectRatioMode; + Qt::WindowFlags nonFullScreenFlags; + bool wasFullScreen; + + void setCurrentControl(QVideoWidgetControlInterface *control); + void show(); + void clearService(); + + void _q_serviceDestroyed(); + void _q_mediaObjectDestroyed(); + void _q_brightnessChanged(int brightness); + void _q_contrastChanged(int contrast); + void _q_hueChanged(int hue); + void _q_saturationChanged(int saturation); + void _q_fullScreenChanged(bool fullScreen); + void _q_dimensionsChanged(); +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |