Files
qtmultimedia/src/plugins/gstreamer/qgstreamervideorenderer.cpp
Jyri Tahtela a925bb4a9e Update licenseheader text in source files for qtmultimediakit Qt module
Replace old license header with correct one.

Change-Id: Ibff8fbea6595bb80f1122d55db2194accd319308
Reviewed-on: http://codereview.qt.nokia.com/1318
Reviewed-by: Jyri Tahtela <jyri.tahtela@nokia.com>
2011-07-08 07:59:00 +02:00

121 lines
3.6 KiB
C++

/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.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();
}