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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies).
** 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 "avfmetadata_p.h"
#include <QtMultimedia/qmediametadata.h>
#import <AVFoundation/AVFoundation.h>
QT_USE_NAMESPACE
static std::optional<QMediaMetaData::Key> itemKey(AVMetadataItem *item)
{
NSString *keyString = [item commonKey];
if (keyString.length != 0) {
if ([keyString isEqualToString:AVMetadataCommonKeyTitle]) {
return QMediaMetaData::Title;
// } else if ([keyString isEqualToString: AVMetadataCommonKeySubject]) {
// return QMediaMetaData::SubTitle;
} else if ([keyString isEqualToString: AVMetadataCommonKeyDescription]) {
return QMediaMetaData::Description;
} else if ([keyString isEqualToString: AVMetadataCommonKeyPublisher]) {
return QMediaMetaData::Publisher;
} else if ([keyString isEqualToString: AVMetadataCommonKeyCreationDate]) {
return QMediaMetaData::Date;
} else if ([keyString isEqualToString: AVMetadataCommonKeyType]) {
return QMediaMetaData::MediaType;
} else if ([keyString isEqualToString: AVMetadataCommonKeyLanguage]) {
return QMediaMetaData::Language;
} else if ([keyString isEqualToString: AVMetadataCommonKeyCopyrights]) {
return QMediaMetaData::Copyright;
} else if ([keyString isEqualToString: AVMetadataCommonKeyAlbumName]) {
return QMediaMetaData::AlbumTitle;
} else if ([keyString isEqualToString: AVMetadataCommonKeyAuthor]) {
return QMediaMetaData::Author;
} else if ([keyString isEqualToString: AVMetadataCommonKeyArtist]) {
return QMediaMetaData::ContributingArtist;
// } else if ([keyString isEqualToString: AVMetadataCommonKeyArtwork]) {
// return QMediaMetaData::PosterUrl;
}
}
return std::nullopt;
}
QMediaMetaData AVFMetaData::fromAsset(AVAsset *asset)
{
#ifdef QT_DEBUG_AVF
qDebug() << Q_FUNC_INFO;
#endif
QMediaMetaData metaData;
// TODO: also process ID3, iTunes and QuickTime metadata
NSArray *metadataItems = [asset commonMetadata];
for (AVMetadataItem* item in metadataItems) {
auto key = itemKey(item);
if (!key)
continue;
const QString value = QString::fromNSString([item stringValue]);
if (!value.isNull())
metaData.insert(*key, value);
}
return metaData;
}
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