diff -r 000000000000 -r 1918ee327afb src/3rdparty/phonon/gstreamer/widgetrenderer.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/3rdparty/phonon/gstreamer/widgetrenderer.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -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 . +*/ + +#include +#include +#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(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 (event); + setNextFrame(frameEvent->frame, frameEvent->width, frameEvent->height); + return true; + } + return false; +} + +} +} //namespace Phonon::Gstreamer + +QT_END_NAMESPACE