diff options
author | Michael Goddard <michael.goddard@nokia.com> | 2011-06-29 13:38:46 +1000 |
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committer | Michael Goddard <michael.goddard@nokia.com> | 2011-06-29 13:38:46 +1000 |
commit | 2a34e88c1e1ced28e75c487cd13402e1c9cf9fa3 (patch) | |
tree | e6c1b770c5c47212792a1f9344fa034ea3e54c44 /src/plugins/gstreamer/qgstreamervideorenderer.cpp |
Initial copy of QtMultimediaKit.
Comes from original repo, with SHA1:
2c82d5611655e5967f5c5095af50c0991c4378b2
Diffstat (limited to 'src/plugins/gstreamer/qgstreamervideorenderer.cpp')
-rw-r--r-- | src/plugins/gstreamer/qgstreamervideorenderer.cpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/plugins/gstreamer/qgstreamervideorenderer.cpp b/src/plugins/gstreamer/qgstreamervideorenderer.cpp new file mode 100644 index 000000000..6c4e6b90c --- /dev/null +++ b/src/plugins/gstreamer/qgstreamervideorenderer.cpp @@ -0,0 +1,120 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qgstreamervideorenderer.h" +#include "qvideosurfacegstsink.h" +#include "qabstractvideosurface.h" + +#include <QEvent> +#include <QApplication> +#include <QDebug> + +#include <gst/gst.h> + +QGstreamerVideoRenderer::QGstreamerVideoRenderer(QObject *parent) + :QVideoRendererControl(parent),m_videoSink(0), m_surface(0) +{ +} + +QGstreamerVideoRenderer::~QGstreamerVideoRenderer() +{ + if (m_videoSink) + gst_object_unref(GST_OBJECT(m_videoSink)); +} + +GstElement *QGstreamerVideoRenderer::videoSink() +{ + if (!m_videoSink && m_surface) { + m_videoSink = QVideoSurfaceGstSink::createSink(m_surface); + gst_object_ref(GST_OBJECT(m_videoSink)); //Take ownership + gst_object_sink(GST_OBJECT(m_videoSink)); + } + + return reinterpret_cast<GstElement*>(m_videoSink); +} + + +QAbstractVideoSurface *QGstreamerVideoRenderer::surface() const +{ + return m_surface; +} + +void QGstreamerVideoRenderer::setSurface(QAbstractVideoSurface *surface) +{ + if (m_surface != surface) { + //qDebug() << Q_FUNC_INFO << surface; + if (m_videoSink) + gst_object_unref(GST_OBJECT(m_videoSink)); + + m_videoSink = 0; + + if (m_surface) { + disconnect(m_surface, SIGNAL(supportedFormatsChanged()), + this, SLOT(handleFormatChange())); + } + + m_surface = surface; + + if (surface && !m_surface) + emit readyChanged(true); + + if (!surface && m_surface) + emit readyChanged(false); + + if (m_surface) { + connect(m_surface, SIGNAL(supportedFormatsChanged()), + this, SLOT(handleFormatChange())); + } + + emit sinkChanged(); + } +} + +void QGstreamerVideoRenderer::handleFormatChange() +{ + //qDebug() << "Supported formats list has changed, reload video output"; + + if (m_videoSink) + gst_object_unref(GST_OBJECT(m_videoSink)); + + m_videoSink = 0; + emit sinkChanged(); +} |