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/****************************************************************************
**
** 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 "camerabincontainer.h"
#include <QtCore/qregexp.h>
#include <QtCore/qdebug.h>
QT_BEGIN_NAMESPACE
CameraBinContainer::CameraBinContainer(QObject *parent)
:QMediaContainerControl(parent),
m_supportedContainers(QGstCodecsInfo::Muxer)
{
//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
{
return m_supportedContainers.supportedCodecs();
}
QString CameraBinContainer::containerDescription(const QString &formatMimeType) const
{
return m_supportedContainers.codecDescription(formatMimeType);
}
QString CameraBinContainer::containerFormat() const
{
return m_format;
}
void CameraBinContainer::setContainerFormat(const QString &format)
{
if (m_format != format) {
m_format = format;
emit settingsChanged();
}
}
GstEncodingContainerProfile *CameraBinContainer::createProfile()
{
GstCaps *caps;
if (m_format.isEmpty()) {
caps = gst_caps_new_any();
} else {
QString format = m_format;
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_format);
foreach (const QString &formatCandidate, supportedFormats) {
if (suggestedFileExtension(formatCandidate) == extension) {
format = formatCandidate;
break;
}
}
}
caps = gst_caps_from_string(format.toLatin1());
}
return (GstEncodingContainerProfile *)gst_encoding_container_profile_new(
"camerabin2_profile",
(gchar *)"custom camera profile",
caps,
NULL); //preset
}
/*!
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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