1 /*  This file is part of the KDE project.

     2 

     3 Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 

     5 This library is free software: you can redistribute it and/or modify

     6 it under the terms of the GNU Lesser General Public License as published by

     7 the Free Software Foundation, either version 2.1 or 3 of the License.

     8 

     9 This library is distributed in the hope that it will be useful,

    10 but WITHOUT ANY WARRANTY; without even the implied warranty of

    11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12 GNU Lesser General Public License for more details.

    13 

    14 You should have received a copy of the GNU Lesser General Public License

    15 along with this library.  If not, see <http://www.gnu.org/licenses/>.

    16 */

    17 

    18 #ifndef PHONON_VIDEOWIDGET_H

    19 #define PHONON_VIDEOWIDGET_H

    20 

    21 #include <QtGui/QWidget>

    22 #include <phonon/videowidgetinterface.h>

    23 #include "backendnode.h"

    24 

    25 QT_BEGIN_NAMESPACE

    26 

    27 #ifndef QT_NO_PHONON_VIDEO

    28 

    29 namespace Phonon

    30 {

    31     namespace DS9

    32     {

    33         class VideoWindow;

    34         class AbstractVideoRenderer;

    35 

    36         class VideoWidget : public BackendNode, public Phonon::VideoWidgetInterface

    37         {

    38             enum RendererType

    39             {

    40                 Native = 0,

    41                 NonNative = 1

    42             };

    43 

    44             Q_OBJECT

    45                 Q_INTERFACES(Phonon::VideoWidgetInterface)

    46         public:

    47             VideoWidget(QWidget *parent = 0);

    48             ~VideoWidget();

    49 

    50             Phonon::VideoWidget::AspectRatio aspectRatio() const;

    51             void setAspectRatio(Phonon::VideoWidget::AspectRatio aspectRatio);

    52             Phonon::VideoWidget::ScaleMode scaleMode() const;

    53             void setScaleMode(Phonon::VideoWidget::ScaleMode);

    54             qreal brightness() const;

    55             void setBrightness(qreal);

    56             qreal contrast() const;

    57             void setContrast(qreal);

    58             qreal hue() const;

    59             void setHue(qreal);

    60             qreal saturation() const;

    61             void setSaturation(qreal);

    62 

    63             void setCurrentGraph(int index);

    64 

    65             QWidget *widget();

    66 

    67             void notifyVideoLoaded();

    68             AbstractVideoRenderer *switchRendering(AbstractVideoRenderer *current);

    69             void performSoftRendering(const QImage &currentImage);

    70 

    71             //apply contrast/brightness/hue/saturation

    72             void applyMixerSettings() const;

    73             void updateVideoSize() const;

    74 

    75         protected:

    76             virtual void connected(BackendNode *, const InputPin& inpin);

    77 

    78         private:

    79             AbstractVideoRenderer *getRenderer(int graphIndex, RendererType type, bool autoCreate = false);

    80 

    81             Phonon::VideoWidget::AspectRatio m_aspectRatio;

    82             Phonon::VideoWidget::ScaleMode m_scaleMode;

    83 

    84             VideoWindow *m_widget;

    85             qreal m_brightness, m_contrast, m_hue, m_saturation;

    86             AbstractVideoRenderer* m_renderers[4];

    87             mutable bool m_noNativeRendererSupported;

    88         };

    89     }

    90 }

    91 

    92 QT_END_NAMESPACE

    93 

    94 #endif // PHONON_VIDEOWIDGET_H

    95 

    96 #endif //QT_NO_PHONON_VIDEO