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/* This file is part of the KDE project.
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
This library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2.1 or 3 of the License.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef Phonon_GSTREAMER_GLRENDERER_H
#define Phonon_GSTREAMER_GLRENDERER_H
#include "videowidget.h"
#include "common.h"
#ifndef QT_NO_OPENGL
#include <QtOpenGL/QGLFormat>
#include <QtOpenGL/QGLWidget>
#ifndef QT_OPENGL_ES
QT_BEGIN_NAMESPACE
class QString;
namespace Phonon
{
namespace Gstreamer
{
class GLRenderWidgetImplementation;
class GLRenderer : public AbstractRenderer
{
public:
GLRenderer(VideoWidget *control);
~GLRenderer();
void handleMediaNodeEvent(const MediaNodeEvent *event);
bool eventFilter(QEvent * event);
bool paintsOnWidget() { return false; }
private:
GLRenderWidgetImplementation *m_glWindow;
};
class GLRenderWidgetImplementation : public QGLWidget
{
Q_OBJECT
// ARB_fragment_program
typedef void (*_glProgramStringARB) (GLenum, GLenum, GLsizei, const GLvoid *);
typedef void (*_glBindProgramARB) (GLenum, GLuint);
typedef void (*_glDeleteProgramsARB) (GLsizei, const GLuint *);
typedef void (*_glGenProgramsARB) (GLsizei, GLuint *);
typedef void (*_glActiveTexture) (GLenum);
public:
GLRenderWidgetImplementation(VideoWidget *control, const QGLFormat &format);
void paintEvent(QPaintEvent *event);
GstElement *createVideoSink();
void updateTexture(const QByteArray &array, int width, int height);
bool hasYUVSupport() const;
const QImage& currentFrame() const;
QRect drawFrameRect() const { return m_drawFrameRect; }
bool frameIsSet() const { return !m_array.isNull(); }
void setNextFrame(const QByteArray &array, int width, int height);
void clearFrame();
private:
_glProgramStringARB glProgramStringARB;
_glBindProgramARB glBindProgramARB;
_glDeleteProgramsARB glDeleteProgramsARB;
_glGenProgramsARB glGenProgramsARB;
_glActiveTexture glActiveTexture;
mutable QImage m_frame;
QByteArray m_array;
int m_width;
int m_height;
QRect m_drawFrameRect;
GLuint m_texture[3];
bool m_hasPrograms;
GLuint m_program;
bool m_yuvSupport;
VideoWidget *m_videoWidget;
};
}
} //namespace Phonon::Gstreamer
QT_END_NAMESPACE
#endif //QT_OPENGL_ES
#endif // QT_NO_OPENGL
#endif // Phonon_GSTREAMER_GLRENDERER_H
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