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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qgstreamermediacontainercontrol.h"
#include <QtCore/qdebug.h>
QGstreamerMediaContainerControl::QGstreamerMediaContainerControl(QObject *parent)
:QMediaContainerControl(parent)
{
QList<QByteArray> formatCandidates;
formatCandidates << "matroska" << "ogg" << "mp4" << "wav" << "quicktime" << "avi" << "3gpp";
formatCandidates << "flv" << "amr" << "asf" << "dv" << "gif";
formatCandidates << "mpeg" << "vob" << "mpegts" << "3g2" << "3gp";
formatCandidates << "raw";
m_elementNames["matroska"] = "matroskamux";
m_elementNames["ogg"] = "oggmux";
m_elementNames["mp4"] = "ffmux_mp4";
m_elementNames["quicktime"] = "ffmux_mov";
m_elementNames["avi"] = "avimux";
m_elementNames["3gpp"] = "gppmux";
m_elementNames["flv"] = "flvmux";
m_elementNames["wav"] = "wavenc";
m_elementNames["amr"] = "ffmux_amr";
m_elementNames["asf"] = "ffmux_asf";
m_elementNames["dv"] = "ffmux_dv";
m_elementNames["gif"] = "ffmux_gif";
m_elementNames["mpeg"] = "ffmux_mpeg";
m_elementNames["vob"] = "ffmux_vob";
m_elementNames["mpegts"] = "ffmux_mpegts";
m_elementNames["3g2"] = "ffmux_3g2";
m_elementNames["3gp"] = "ffmux_3gp";
m_elementNames["raw"] = "identity";
m_containerExtensions["matroska"] = "mkv";
m_containerExtensions["quicktime"] = "mov";
m_containerExtensions["mpegts"] = "m2t";
m_containerExtensions["mpeg"] = "mpg";
QSet<QString> allTypes;
foreach( const QByteArray& formatName, formatCandidates ) {
QByteArray elementName = m_elementNames[formatName];
GstElementFactory *factory = gst_element_factory_find(elementName.constData());
if (factory) {
m_supportedContainers.append(formatName);
const gchar *descr = gst_element_factory_get_description(factory);
m_containerDescriptions.insert(formatName, QString::fromUtf8(descr));
if (formatName == QByteArray("raw")) {
m_streamTypes.insert(formatName, allTypes);
} else {
QSet<QString> types = supportedStreamTypes(factory, GST_PAD_SINK);
m_streamTypes.insert(formatName, types);
allTypes.unite(types);
}
gst_object_unref(GST_OBJECT(factory));
}
}
//if (!m_supportedContainers.isEmpty())
// setContainerFormat(m_supportedContainers[0]);
}
QSet<QString> QGstreamerMediaContainerControl::supportedStreamTypes(GstElementFactory *factory, GstPadDirection direction)
{
QSet<QString> types;
const GList *pads = gst_element_factory_get_static_pad_templates(factory);
for (const GList *pad = pads; pad; pad = g_list_next(pad)) {
GstStaticPadTemplate *templ = (GstStaticPadTemplate*)pad->data;
if (templ->direction == direction) {
GstCaps *caps = gst_static_caps_get(&templ->static_caps);
for (uint i=0; i<gst_caps_get_size(caps); i++) {
GstStructure *structure = gst_caps_get_structure(caps, i);
types.insert( QString::fromUtf8(gst_structure_get_name(structure)) );
}
gst_caps_unref(caps);
}
}
return types;
}
QSet<QString> QGstreamerMediaContainerControl::supportedStreamTypes(const QString &container) const
{
return m_streamTypes.value(container);
}
QString QGstreamerMediaContainerControl::containerExtension() const
{
return m_containerExtensions.value(m_format, m_format);
}
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