src/3rdparty/phonon/gstreamer/glrenderer.h
changeset 0 1918ee327afb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/phonon/gstreamer/glrenderer.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,101 @@
+/*  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