1 files changed, 150 insertions, 0 deletions
diff --git a/src/3rdparty/phonon/gstreamer/widgetrenderer.cpp b/src/3rdparty/phonon/gstreamer/widgetrenderer.cpp
new file mode 100644
index 0000000000..d4a411ffc5
--- /dev/null
+++ b/src/3rdparty/phonon/gstreamer/widgetrenderer.cpp
@@ -0,0 +1,150 @@
+/*  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/>.
+*/
+
+#include <QtGui/QPainter>
+#include <gst/gst.h>
+#include "common.h"
+#include "message.h"
+#include "mediaobject.h"
+#include "qwidgetvideosink.h"
+#include "widgetrenderer.h"
+#include "qrgb.h"
+
+// support old OpenGL installations (1.2)
+// assume that if TEXTURE0 isn't defined, none are
+#ifndef GL_TEXTURE0
+# define GL_TEXTURE0    0x84C0
+# define GL_TEXTURE1    0x84C1
+# define GL_TEXTURE2    0x84C2
+#endif
+
+QT_BEGIN_NAMESPACE
+
+static void frameRendered()
+{
+    static QString displayFps = qgetenv("PHONON_GST_FPS");
+    if (displayFps.isEmpty())
+        return;
+
+    static int frames = 0;
+    static QTime lastTime = QTime::currentTime();
+    QTime time = QTime::currentTime();
+
+    int delta = lastTime.msecsTo(time);
+    if (delta > 2000) {
+        printf("FPS: %f\n", 1000.0 * frames / qreal(delta));
+        lastTime = time;
+        frames = 0;
+    }
+
+    ++frames;
+}
+
+namespace Phonon
+{
+namespace Gstreamer
+{
+
+WidgetRenderer::WidgetRenderer(VideoWidget *videoWidget)
+        : AbstractRenderer(videoWidget)
+        , m_width(0)
+        , m_height(0)
+{
+    videoWidget->backend()->logMessage("Creating QWidget renderer");
+    if ((m_videoSink = GST_ELEMENT(g_object_new(get_type_RGB(), NULL)))) {
+        gst_object_ref (GST_OBJECT (m_videoSink)); //Take ownership
+        gst_object_sink (GST_OBJECT (m_videoSink));
+        
+        QWidgetVideoSinkBase*  sink = reinterpret_cast<QWidgetVideoSinkBase*>(m_videoSink);
+        // Let the videosink know which widget to direct frame updates to
+        sink->renderWidget = videoWidget;
+    }
+
+    // Clear the background with black by default
+    QPalette palette;
+    palette.setColor(QPalette::Background, Qt::black);
+    m_videoWidget->setPalette(palette);
+    m_videoWidget->setAutoFillBackground(true);
+    m_videoWidget->setAttribute(Qt::WA_NoSystemBackground, false);
+    m_videoWidget->setAttribute(Qt::WA_PaintOnScreen, false);
+}
+
+void WidgetRenderer::setNextFrame(const QByteArray &array, int w, int h)
+{
+    if (m_videoWidget->root()->state() == Phonon::LoadingState)
+        return;
+
+    m_frame = QImage(); 
+    {
+        m_frame = QImage((uchar *)array.constData(), w, h, QImage::Format_RGB32);
+    }
+
+    m_array = array;
+    m_width = w;
+    m_height = h;
+
+    m_videoWidget->update();
+}
+
+void WidgetRenderer::handleMediaNodeEvent(const MediaNodeEvent *event)
+{
+    switch (event->type()) {
+    case MediaNodeEvent::SourceChanged:
+    {
+        clearFrame();
+        break;
+    }
+    default:
+        break;
+    }
+}
+
+void WidgetRenderer::clearFrame()
+{
+    m_frame = QImage();
+    m_array = QByteArray();
+    m_videoWidget->update();
+}
+
+const QImage &WidgetRenderer::currentFrame() const
+{
+    return m_frame;
+}
+
+void WidgetRenderer::handlePaint(QPaintEvent *event)
+{
+    Q_UNUSED(event);
+    QPainter painter(m_videoWidget);
+    m_drawFrameRect = m_videoWidget->calculateDrawFrameRect();
+    painter.drawImage(drawFrameRect(), currentFrame());
+    frameRendered();
+}
+
+bool WidgetRenderer::eventFilter(QEvent * event)
+{
+    if (event->type() == QEvent::User) {
+        NewFrameEvent *frameEvent= static_cast <NewFrameEvent *>(event);
+        setNextFrame(frameEvent->frame, frameEvent->width, frameEvent->height);
+        return true;
+    }
+    return false;
+}
+
+}
+} //namespace Phonon::Gstreamer
+
+QT_END_NAMESPACE