| /**************************************************************************** |
| ** |
| ** 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 "qgstreamermetadataprovider.h" |
| #include <private/qgstreamerplayersession_p.h> |
| #include <QDebug> |
| #include <QtMultimedia/qmediametadata.h> |
| |
| #include <gst/gstversion.h> |
| #include <private/qgstutils_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| typedef QMap<QByteArray, QString> QGstreamerMetaDataKeyLookup; |
| Q_GLOBAL_STATIC(QGstreamerMetaDataKeyLookup, metadataKeys) |
| |
| static const QGstreamerMetaDataKeyLookup *qt_gstreamerMetaDataKeys() |
| { |
| if (metadataKeys->isEmpty()) { |
| metadataKeys->insert(GST_TAG_TITLE, QMediaMetaData::Title); |
| //metadataKeys->insert(0, QMediaMetaData::SubTitle); |
| //metadataKeys->insert(0, QMediaMetaData::Author); |
| metadataKeys->insert(GST_TAG_COMMENT, QMediaMetaData::Comment); |
| metadataKeys->insert(GST_TAG_DESCRIPTION, QMediaMetaData::Description); |
| //metadataKeys->insert(0, QMediaMetaData::Category); |
| metadataKeys->insert(GST_TAG_GENRE, QMediaMetaData::Genre); |
| metadataKeys->insert("year", QMediaMetaData::Year); |
| //metadataKeys->insert(0, QMediaMetaData::UserRating); |
| |
| metadataKeys->insert(GST_TAG_LANGUAGE_CODE, QMediaMetaData::Language); |
| |
| metadataKeys->insert(GST_TAG_ORGANIZATION, QMediaMetaData::Publisher); |
| metadataKeys->insert(GST_TAG_COPYRIGHT, QMediaMetaData::Copyright); |
| //metadataKeys->insert(0, QMediaMetaData::ParentalRating); |
| //metadataKeys->insert(0, QMediaMetaData::RatingOrganisation); |
| |
| // Media |
| //metadataKeys->insert(0, QMediaMetaData::Size); |
| //metadataKeys->insert(0,QMediaMetaData::MediaType ); |
| metadataKeys->insert(GST_TAG_DURATION, QMediaMetaData::Duration); |
| |
| // Audio |
| metadataKeys->insert(GST_TAG_BITRATE, QMediaMetaData::AudioBitRate); |
| metadataKeys->insert(GST_TAG_AUDIO_CODEC, QMediaMetaData::AudioCodec); |
| //metadataKeys->insert(0, QMediaMetaData::ChannelCount); |
| //metadataKeys->insert(0, QMediaMetaData::SampleRate); |
| |
| // Music |
| metadataKeys->insert(GST_TAG_ALBUM, QMediaMetaData::AlbumTitle); |
| #if GST_CHECK_VERSION(0, 10, 25) |
| metadataKeys->insert(GST_TAG_ALBUM_ARTIST, QMediaMetaData::AlbumArtist); |
| #endif |
| metadataKeys->insert(GST_TAG_ARTIST, QMediaMetaData::ContributingArtist); |
| //metadataKeys->insert(0, QMediaMetaData::Conductor); |
| //metadataKeys->insert(0, QMediaMetaData::Lyrics); |
| //metadataKeys->insert(0, QMediaMetaData::Mood); |
| metadataKeys->insert(GST_TAG_TRACK_NUMBER, QMediaMetaData::TrackNumber); |
| |
| //metadataKeys->insert(0, QMediaMetaData::CoverArtUrlSmall); |
| //metadataKeys->insert(0, QMediaMetaData::CoverArtUrlLarge); |
| metadataKeys->insert(GST_TAG_PREVIEW_IMAGE, QMediaMetaData::ThumbnailImage); |
| metadataKeys->insert(GST_TAG_IMAGE, QMediaMetaData::CoverArtImage); |
| |
| // Image/Video |
| metadataKeys->insert("resolution", QMediaMetaData::Resolution); |
| metadataKeys->insert("pixel-aspect-ratio", QMediaMetaData::PixelAspectRatio); |
| #if GST_CHECK_VERSION(0,10,30) |
| metadataKeys->insert(GST_TAG_IMAGE_ORIENTATION, QMediaMetaData::Orientation); |
| #endif |
| |
| // Video |
| //metadataKeys->insert(0, QMediaMetaData::VideoFrameRate); |
| //metadataKeys->insert(0, QMediaMetaData::VideoBitRate); |
| metadataKeys->insert(GST_TAG_VIDEO_CODEC, QMediaMetaData::VideoCodec); |
| |
| //metadataKeys->insert(0, QMediaMetaData::PosterUrl); |
| |
| // Movie |
| //metadataKeys->insert(0, QMediaMetaData::ChapterNumber); |
| //metadataKeys->insert(0, QMediaMetaData::Director); |
| metadataKeys->insert(GST_TAG_PERFORMER, QMediaMetaData::LeadPerformer); |
| //metadataKeys->insert(0, QMediaMetaData::Writer); |
| |
| // Photos |
| //metadataKeys->insert(0, QMediaMetaData::CameraManufacturer); |
| //metadataKeys->insert(0, QMediaMetaData::CameraModel); |
| //metadataKeys->insert(0, QMediaMetaData::Event); |
| //metadataKeys->insert(0, QMediaMetaData::Subject); |
| } |
| |
| return metadataKeys; |
| } |
| |
| QGstreamerMetaDataProvider::QGstreamerMetaDataProvider(QGstreamerPlayerSession *session, QObject *parent) |
| :QMetaDataReaderControl(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(const QString &key) const |
| { |
| #if GST_CHECK_VERSION(0,10,30) |
| if (key == QMediaMetaData::Orientation) |
| return QGstUtils::fromGStreamerOrientation(m_tags.value(key)); |
| #endif |
| return m_tags.value(key); |
| } |
| |
| QStringList QGstreamerMetaDataProvider::availableMetaData() const |
| { |
| return m_tags.keys(); |
| } |
| |
| void QGstreamerMetaDataProvider::updateTags() |
| { |
| QVariantMap oldTags = m_tags; |
| m_tags.clear(); |
| bool changed = false; |
| |
| const auto tags = m_session->tags(); |
| for (auto i = tags.cbegin(), end = tags.cend(); i != end; ++i) { |
| //use gstreamer native keys for elements not in our key map |
| QString key = qt_gstreamerMetaDataKeys()->value(i.key(), i.key()); |
| m_tags.insert(key, i.value()); |
| if (i.value() != oldTags.value(key)) { |
| changed = true; |
| emit metaDataChanged(key, i.value()); |
| } |
| } |
| |
| if (oldTags.isEmpty() != m_tags.isEmpty()) { |
| emit metaDataAvailableChanged(isMetaDataAvailable()); |
| changed = true; |
| } |
| |
| if (changed) |
| emit metaDataChanged(); |
| } |
| |
| QT_END_NAMESPACE |