diff options
Diffstat (limited to 'src/gsttools/qgstreamervideorenderer.cpp')
-rw-r--r-- | src/gsttools/qgstreamervideorenderer.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/gsttools/qgstreamervideorenderer.cpp b/src/gsttools/qgstreamervideorenderer.cpp new file mode 100644 index 000000000..bd2a0b12e --- /dev/null +++ b/src/gsttools/qgstreamervideorenderer.cpp @@ -0,0 +1,117 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qgstreamervideorenderer_p.h" +#include <private/qvideosurfacegstsink_p.h> +#include <qabstractvideosurface.h> + +#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())); + } + + bool wasReady = isReady(); + + m_surface = surface; + + if (m_surface) { + connect(m_surface, SIGNAL(supportedFormatsChanged()), + this, SLOT(handleFormatChange())); + } + + if (wasReady != isReady()) + emit readyChanged(isReady()); + + 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(); +} |