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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "camerabincontainer.h"
#include <QtCore/qregexp.h>
#include <QtCore/qdebug.h>
QT_BEGIN_NAMESPACE
CameraBinContainer::CameraBinContainer(QObject *parent)
:QMediaContainerControl(parent)
#ifdef HAVE_GST_ENCODING_PROFILES
, m_supportedContainers(QGstCodecsInfo::Muxer)
#endif
{
//extension for containers hard to guess from mimetype
m_fileExtensions["video/x-matroska"] = "mkv";
m_fileExtensions["video/quicktime"] = "mov";
m_fileExtensions["video/x-msvideo"] = "avi";
m_fileExtensions["video/msvideo"] = "avi";
m_fileExtensions["audio/mpeg"] = "mp3";
m_fileExtensions["application/x-shockwave-flash"] = "swf";
m_fileExtensions["application/x-pn-realmedia"] = "rm";
}
QStringList CameraBinContainer::supportedContainers() const
{
#ifdef HAVE_GST_ENCODING_PROFILES
return m_supportedContainers.supportedCodecs();
#else
return QStringList();
#endif
}
QString CameraBinContainer::containerDescription(const QString &formatMimeType) const
{
#ifdef HAVE_GST_ENCODING_PROFILES
return m_supportedContainers.codecDescription(formatMimeType);
#else
Q_UNUSED(formatMimeType)
return QString();
#endif
}
QString CameraBinContainer::containerFormat() const
{
return m_format;
}
void CameraBinContainer::setContainerFormat(const QString &format)
{
#ifdef HAVE_GST_ENCODING_PROFILES
if (m_format != format) {
m_format = format;
m_actualFormat = format;
emit settingsChanged();
}
#endif
}
QString CameraBinContainer::actualContainerFormat() const
{
return m_actualFormat;
}
void CameraBinContainer::setActualContainerFormat(const QString &containerFormat)
{
#ifdef HAVE_GST_ENCODING_PROFILES
m_actualFormat = containerFormat;
#endif
}
void CameraBinContainer::resetActualContainerFormat()
{
m_actualFormat = m_format;
}
#ifdef HAVE_GST_ENCODING_PROFILES
GstEncodingContainerProfile *CameraBinContainer::createProfile()
{
GstCaps *caps;
if (m_actualFormat.isEmpty()) {
return 0;
} else {
QString format = m_actualFormat;
const QStringList supportedFormats = m_supportedContainers.supportedCodecs();
//if format is not in the list of supported gstreamer mime types,
//try to find the mime type with matching extension
if (!supportedFormats.contains(format)) {
QString extension = suggestedFileExtension(m_actualFormat);
for (const QString &formatCandidate : supportedFormats) {
if (suggestedFileExtension(formatCandidate) == extension) {
format = formatCandidate;
break;
}
}
}
caps = gst_caps_from_string(format.toLatin1());
}
GstEncodingContainerProfile *profile = (GstEncodingContainerProfile *)gst_encoding_container_profile_new(
"camerabin2_profile",
(gchar *)"custom camera profile",
caps,
NULL); //preset
gst_caps_unref(caps);
return profile;
}
#endif
/*!
Suggest file extension for current container mimetype.
*/
QString CameraBinContainer::suggestedFileExtension(const QString &containerFormat) const
{
//for container names like avi instead of video/x-msvideo, use it as extension
if (!containerFormat.contains('/'))
return containerFormat;
QString format = containerFormat.left(containerFormat.indexOf(','));
QString extension = m_fileExtensions.value(format);
if (!extension.isEmpty() || format.isEmpty())
return extension;
QRegExp rx("[-/]([\\w]+)$");
if (rx.indexIn(format) != -1)
extension = rx.cap(1);
return extension;
}
QT_END_NAMESPACE
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