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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qgstreamermetadataprovider.h"
#include "qgstreamerplayersession.h"
#include <QtCore/qdebug.h>
#include <gst/gstversion.h>
QT_BEGIN_NAMESPACE
struct QGstreamerMetaDataKeyLookup
{
QtMediaServices::MetaData key;
const char *token;
};
static const QGstreamerMetaDataKeyLookup qt_gstreamerMetaDataKeys[] =
{
{ QtMediaServices::Title, GST_TAG_TITLE },
//{ QtMediaServices::SubTitle, 0 },
//{ QtMediaServices::Author, 0 },
{ QtMediaServices::Comment, GST_TAG_COMMENT },
{ QtMediaServices::Description, GST_TAG_DESCRIPTION },
//{ QtMediaServices::Category, 0 },
{ QtMediaServices::Genre, GST_TAG_GENRE },
{ QtMediaServices::Year, "year" },
//{ QtMediaServices::UserRating, 0 },
{ QtMediaServices::Language, GST_TAG_LANGUAGE_CODE },
{ QtMediaServices::Publisher, GST_TAG_ORGANIZATION },
{ QtMediaServices::Copyright, GST_TAG_COPYRIGHT },
//{ QtMediaServices::ParentalRating, 0 },
//{ QtMediaServices::RatingOrganisation, 0 },
// Media
//{ QtMediaServices::Size, 0 },
//{ QtMediaServices::MediaType, 0 },
{ QtMediaServices::Duration, GST_TAG_DURATION },
// Audio
{ QtMediaServices::AudioBitRate, GST_TAG_BITRATE },
{ QtMediaServices::AudioCodec, GST_TAG_AUDIO_CODEC },
//{ QtMediaServices::ChannelCount, 0 },
//{ QtMediaServices::Frequency, 0 },
// Music
{ QtMediaServices::AlbumTitle, GST_TAG_ALBUM },
{ QtMediaServices::AlbumArtist, GST_TAG_ARTIST},
{ QtMediaServices::ContributingArtist, GST_TAG_PERFORMER },
#if (GST_VERSION_MAJOR >= 0) && (GST_VERSION_MINOR >= 10) && (GST_VERSION_MICRO >= 19)
{ QtMediaServices::Composer, GST_TAG_COMPOSER },
#endif
//{ QtMediaServices::Conductor, 0 },
//{ QtMediaServices::Lyrics, 0 },
//{ QtMediaServices::Mood, 0 },
{ QtMediaServices::TrackNumber, GST_TAG_TRACK_NUMBER },
//{ QtMediaServices::CoverArtUrlSmall, 0 },
//{ QtMediaServices::CoverArtUrlLarge, 0 },
// Image/Video
//{ QtMediaServices::Resolution, 0 },
//{ QtMediaServices::PixelAspectRatio, 0 },
// Video
//{ QtMediaServices::VideoFrameRate, 0 },
//{ QtMediaServices::VideoBitRate, 0 },
{ QtMediaServices::VideoCodec, GST_TAG_VIDEO_CODEC },
//{ QtMediaServices::PosterUrl, 0 },
// Movie
//{ QtMediaServices::ChapterNumber, 0 },
//{ QtMediaServices::Director, 0 },
{ QtMediaServices::LeadPerformer, GST_TAG_PERFORMER },
//{ QtMediaServices::Writer, 0 },
// Photos
//{ QtMediaServices::CameraManufacturer, 0 },
//{ QtMediaServices::CameraModel, 0 },
//{ QtMediaServices::Event, 0 },
//{ QtMediaServices::Subject, 0 }
};
QGstreamerMetaDataProvider::QGstreamerMetaDataProvider(QGstreamerPlayerSession *session, QObject *parent)
:QMetaDataControl(parent), m_session(session)
{
connect(m_session, SIGNAL(tagsChanged()), SLOT(updateTags()));
}
QGstreamerMetaDataProvider::~QGstreamerMetaDataProvider()
{
}
bool QGstreamerMetaDataProvider::isMetaDataAvailable() const
{
return !m_session->tags().isEmpty();
}
bool QGstreamerMetaDataProvider::isWritable() const
{
return false;
}
QVariant QGstreamerMetaDataProvider::metaData(QtMediaServices::MetaData key) const
{
static const int count = sizeof(qt_gstreamerMetaDataKeys) / sizeof(QGstreamerMetaDataKeyLookup);
for (int i = 0; i < count; ++i) {
if (qt_gstreamerMetaDataKeys[i].key == key) {
return m_session->tags().value(QByteArray(qt_gstreamerMetaDataKeys[i].token));
}
}
return QVariant();
}
void QGstreamerMetaDataProvider::setMetaData(QtMediaServices::MetaData key, QVariant const &value)
{
Q_UNUSED(key);
Q_UNUSED(value);
}
QList<QtMediaServices::MetaData> QGstreamerMetaDataProvider::availableMetaData() const
{
static QMap<QByteArray, QtMediaServices::MetaData> keysMap;
if (keysMap.isEmpty()) {
const int count = sizeof(qt_gstreamerMetaDataKeys) / sizeof(QGstreamerMetaDataKeyLookup);
for (int i = 0; i < count; ++i) {
keysMap[QByteArray(qt_gstreamerMetaDataKeys[i].token)] = qt_gstreamerMetaDataKeys[i].key;
}
}
QList<QtMediaServices::MetaData> res;
foreach (const QByteArray &key, m_session->tags().keys()) {
QtMediaServices::MetaData tag = keysMap.value(key, QtMediaServices::MetaData(-1));
if (tag != -1)
res.append(tag);
}
return res;
}
QVariant QGstreamerMetaDataProvider::extendedMetaData(const QString &key) const
{
return m_session->tags().value(key.toLatin1());
}
void QGstreamerMetaDataProvider::setExtendedMetaData(const QString &key, QVariant const &value)
{
Q_UNUSED(key);
Q_UNUSED(value);
}
QStringList QGstreamerMetaDataProvider::availableExtendedMetaData() const
{
QStringList res;
foreach (const QByteArray &key, m_session->tags().keys())
res.append(QString(key));
return res;
}
void QGstreamerMetaDataProvider::updateTags()
{
emit metaDataChanged();
}
QT_END_NAMESPACE
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