108dda7a90
0.10 is still used by default. To enable GStreamer 1.0, pass GST_VERSION=1.0 to qmake for qtmultimedia.pro. Contributions from: Andrew den Exter <andrew.den.exter@qinetic.com.au> Ilya Smelykh <ilya@videoexpertsgroup.com> Jim Hodapp <jim.hodapp@canonical.com> Sergio Schvezov <sergio.schvezov@canonical.com> Change-Id: I72a46d1170a8794a149bdb5e20767afcc5b7587c Reviewed-by: Andrew den Exter <andrew.den.exter@qinetic.com.au>
114 lines
3.5 KiB
C++
114 lines
3.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qgstreamervideorenderer_p.h"
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#include <private/qvideosurfacegstsink_p.h>
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#include <private/qgstutils_p.h>
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#include <qabstractvideosurface.h>
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#include <QtCore/qdebug.h>
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#include <gst/gst.h>
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QGstreamerVideoRenderer::QGstreamerVideoRenderer(QObject *parent)
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:QVideoRendererControl(parent),m_videoSink(0), m_surface(0)
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{
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}
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QGstreamerVideoRenderer::~QGstreamerVideoRenderer()
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{
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if (m_videoSink)
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gst_object_unref(GST_OBJECT(m_videoSink));
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}
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GstElement *QGstreamerVideoRenderer::videoSink()
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{
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if (!m_videoSink && m_surface) {
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m_videoSink = QVideoSurfaceGstSink::createSink(m_surface);
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qt_gst_object_ref_sink(GST_OBJECT(m_videoSink)); //Take ownership
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}
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return reinterpret_cast<GstElement*>(m_videoSink);
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}
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void QGstreamerVideoRenderer::stopRenderer()
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{
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if (m_surface)
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m_surface->stop();
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}
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QAbstractVideoSurface *QGstreamerVideoRenderer::surface() const
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{
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return m_surface;
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}
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void QGstreamerVideoRenderer::setSurface(QAbstractVideoSurface *surface)
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{
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if (m_surface != surface) {
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//qDebug() << Q_FUNC_INFO << surface;
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if (m_videoSink)
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gst_object_unref(GST_OBJECT(m_videoSink));
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m_videoSink = 0;
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if (m_surface) {
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disconnect(m_surface.data(), SIGNAL(supportedFormatsChanged()),
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this, SLOT(handleFormatChange()));
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}
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bool wasReady = isReady();
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m_surface = surface;
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if (m_surface) {
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connect(m_surface.data(), SIGNAL(supportedFormatsChanged()),
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this, SLOT(handleFormatChange()));
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}
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if (wasReady != isReady())
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emit readyChanged(isReady());
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emit sinkChanged();
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}
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}
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void QGstreamerVideoRenderer::handleFormatChange()
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{
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//qDebug() << "Supported formats list has changed, reload video output";
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if (m_videoSink)
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gst_object_unref(GST_OBJECT(m_videoSink));
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m_videoSink = 0;
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emit sinkChanged();
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}
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