Initial copy of QtMultimediaKit.
Comes from original repo, with SHA1: 2c82d5611655e5967f5c5095af50c0991c4378b2
This commit is contained in:
Michael Goddard
192
src/plugins/gstreamer/mediaplayer/qgstreamermetadataprovider.cpp
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192
src/plugins/gstreamer/mediaplayer/qgstreamermetadataprovider.cpp
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qgstreamermetadataprovider.h"
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#include "qgstreamerplayersession.h"
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#include <QDebug>
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#include <gst/gstversion.h>
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struct QGstreamerMetaDataKeyLookup
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{
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QtMultimediaKit::MetaData key;
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const char *token;
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};
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static const QGstreamerMetaDataKeyLookup qt_gstreamerMetaDataKeys[] =
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{
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{ QtMultimediaKit::Title, GST_TAG_TITLE },
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//{ QtMultimediaKit::SubTitle, 0 },
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//{ QtMultimediaKit::Author, 0 },
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{ QtMultimediaKit::Comment, GST_TAG_COMMENT },
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{ QtMultimediaKit::Description, GST_TAG_DESCRIPTION },
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//{ QtMultimediaKit::Category, 0 },
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{ QtMultimediaKit::Genre, GST_TAG_GENRE },
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{ QtMultimediaKit::Year, "year" },
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//{ QtMultimediaKit::UserRating, 0 },
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{ QtMultimediaKit::Language, GST_TAG_LANGUAGE_CODE },
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{ QtMultimediaKit::Publisher, GST_TAG_ORGANIZATION },
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{ QtMultimediaKit::Copyright, GST_TAG_COPYRIGHT },
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//{ QtMultimediaKit::ParentalRating, 0 },
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//{ QtMultimediaKit::RatingOrganisation, 0 },
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// Media
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//{ QtMultimediaKit::Size, 0 },
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//{ QtMultimediaKit::MediaType, 0 },
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{ QtMultimediaKit::Duration, GST_TAG_DURATION },
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// Audio
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{ QtMultimediaKit::AudioBitRate, GST_TAG_BITRATE },
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{ QtMultimediaKit::AudioCodec, GST_TAG_AUDIO_CODEC },
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//{ QtMultimediaKit::ChannelCount, 0 },
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//{ QtMultimediaKit::SampleRate, 0 },
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// Music
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{ QtMultimediaKit::AlbumTitle, GST_TAG_ALBUM },
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{ QtMultimediaKit::AlbumArtist, GST_TAG_ARTIST},
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{ QtMultimediaKit::ContributingArtist, GST_TAG_PERFORMER },
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#if (GST_VERSION_MAJOR >= 0) && (GST_VERSION_MINOR >= 10) && (GST_VERSION_MICRO >= 19)
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{ QtMultimediaKit::Composer, GST_TAG_COMPOSER },
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#endif
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//{ QtMultimediaKit::Conductor, 0 },
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//{ QtMultimediaKit::Lyrics, 0 },
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//{ QtMultimediaKit::Mood, 0 },
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{ QtMultimediaKit::TrackNumber, GST_TAG_TRACK_NUMBER },
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//{ QtMultimediaKit::CoverArtUrlSmall, 0 },
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//{ QtMultimediaKit::CoverArtUrlLarge, 0 },
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// Image/Video
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{ QtMultimediaKit::Resolution, "resolution" },
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{ QtMultimediaKit::PixelAspectRatio, "pixel-aspect-ratio" },
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// Video
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//{ QtMultimediaKit::VideoFrameRate, 0 },
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//{ QtMultimediaKit::VideoBitRate, 0 },
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{ QtMultimediaKit::VideoCodec, GST_TAG_VIDEO_CODEC },
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//{ QtMultimediaKit::PosterUrl, 0 },
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// Movie
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//{ QtMultimediaKit::ChapterNumber, 0 },
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//{ QtMultimediaKit::Director, 0 },
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{ QtMultimediaKit::LeadPerformer, GST_TAG_PERFORMER },
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//{ QtMultimediaKit::Writer, 0 },
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// Photos
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//{ QtMultimediaKit::CameraManufacturer, 0 },
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//{ QtMultimediaKit::CameraModel, 0 },
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//{ QtMultimediaKit::Event, 0 },
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//{ QtMultimediaKit::Subject, 0 }
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};
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QGstreamerMetaDataProvider::QGstreamerMetaDataProvider(QGstreamerPlayerSession *session, QObject *parent)
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:QMetaDataReaderControl(parent), m_session(session)
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{
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connect(m_session, SIGNAL(tagsChanged()), SLOT(updateTags()));
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}
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QGstreamerMetaDataProvider::~QGstreamerMetaDataProvider()
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{
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}
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bool QGstreamerMetaDataProvider::isMetaDataAvailable() const
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{
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return !m_session->tags().isEmpty();
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}
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bool QGstreamerMetaDataProvider::isWritable() const
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{
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return false;
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}
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QVariant QGstreamerMetaDataProvider::metaData(QtMultimediaKit::MetaData key) const
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{
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static const int count = sizeof(qt_gstreamerMetaDataKeys) / sizeof(QGstreamerMetaDataKeyLookup);
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for (int i = 0; i < count; ++i) {
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if (qt_gstreamerMetaDataKeys[i].key == key) {
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return m_session->tags().value(QByteArray(qt_gstreamerMetaDataKeys[i].token));
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}
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}
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return QVariant();
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}
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QList<QtMultimediaKit::MetaData> QGstreamerMetaDataProvider::availableMetaData() const
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{
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static QMap<QByteArray, QtMultimediaKit::MetaData> keysMap;
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if (keysMap.isEmpty()) {
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const int count = sizeof(qt_gstreamerMetaDataKeys) / sizeof(QGstreamerMetaDataKeyLookup);
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for (int i = 0; i < count; ++i) {
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keysMap[QByteArray(qt_gstreamerMetaDataKeys[i].token)] = qt_gstreamerMetaDataKeys[i].key;
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}
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}
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QList<QtMultimediaKit::MetaData> res;
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foreach (const QByteArray &key, m_session->tags().keys()) {
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QtMultimediaKit::MetaData tag = keysMap.value(key, QtMultimediaKit::MetaData(-1));
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if (tag != -1)
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res.append(tag);
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}
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return res;
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}
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QVariant QGstreamerMetaDataProvider::extendedMetaData(const QString &key) const
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{
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return m_session->tags().value(key.toLatin1());
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}
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QStringList QGstreamerMetaDataProvider::availableExtendedMetaData() const
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{
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QStringList res;
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foreach (const QByteArray &key, m_session->tags().keys())
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res.append(QString(key));
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return res;
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}
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void QGstreamerMetaDataProvider::updateTags()
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{
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emit metaDataChanged();
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}
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