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Diffstat (limited to 'src/plugins/android/mediaplayer/qandroidmetadatareadercontrol.cpp')
| -rw-r--r-- | src/plugins/android/mediaplayer/qandroidmetadatareadercontrol.cpp | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/src/plugins/android/mediaplayer/qandroidmetadatareadercontrol.cpp b/src/plugins/android/mediaplayer/qandroidmetadatareadercontrol.cpp new file mode 100644 index 000000000..9b2f4e17b --- /dev/null +++ b/src/plugins/android/mediaplayer/qandroidmetadatareadercontrol.cpp @@ -0,0 +1,221 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional +** rights. These rights are described in the Digia 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qandroidmetadatareadercontrol.h" + +#include "jmediametadataretriever.h" +#include <qsize.h> +#include <QDate> + +QT_BEGIN_NAMESPACE + +// Genre name ordered by ID +// see: http://id3.org/id3v2.3.0#Appendix_A_-_Genre_List_from_ID3v1 +static const char* qt_ID3GenreNames[] = +{ + "Blues", "Classic Rock", "Country", "Dance", "Disco", "Funk", "Grunge", "Hip-Hop", "Jazz", + "Metal", "New Age", "Oldies", "Other", "Pop", "R&B", "Rap", "Reggae", "Rock", "Techno", + "Industrial", "Alternative", "Ska", "Death Metal", "Pranks", "Soundtrack", "Euro-Techno", + "Ambient", "Trip-Hop", "Vocal", "Jazz+Funk", "Fusion", "Trance", "Classical", "Instrumental", + "Acid", "House", "Game", "Sound Clip", "Gospel", "Noise", "AlternRock", "Bass", "Soul", "Punk", + "Space", "Meditative", "Instrumental Pop", "Instrumental Rock", "Ethnic", "Gothic", "Darkwave", + "Techno-Industrial", "Electronic", "Pop-Folk", "Eurodance", "Dream", "Southern Rock", "Comedy", + "Cult", "Gangsta", "Top 40", "Christian Rap", "Pop/Funk", "Jungle", "Native American", + "Cabaret", "New Wave", "Psychadelic", "Rave", "Showtunes", "Trailer", "Lo-Fi", "Tribal", + "Acid Punk", "Acid Jazz", "Polka", "Retro", "Musical", "Rock & Roll", "Hard Rock", "Folk", + "Folk-Rock", "National Folk", "Swing", "Fast Fusion", "Bebob", "Latin", "Revival", "Celtic", + "Bluegrass", "Avantgarde", "Gothic Rock", "Progressive Rock", "Psychedelic Rock", + "Symphonic Rock", "Slow Rock", "Big Band", "Chorus", "Easy Listening", "Acoustic", "Humour", + "Speech", "Chanson", "Opera", "Chamber Music", "Sonata", "Symphony", "Booty Bass", "Primus", + "Porn Groove", "Satire", "Slow Jam", "Club", "Tango", "Samba", "Folklore", "Ballad", + "Power Ballad", "Rhythmic Soul", "Freestyle", "Duet", "Punk Rock", "Drum Solo", "A capella", + "Euro-House", "Dance Hall" +}; + +QAndroidMetaDataReaderControl::QAndroidMetaDataReaderControl(QObject *parent) + : QMetaDataReaderControl(parent) + , m_available(false) + , m_retriever(0) +{ + m_retriever = new JMediaMetadataRetriever; + if (!m_retriever->isValid()) { + delete m_retriever; + m_retriever = 0; + } +} + +QAndroidMetaDataReaderControl::~QAndroidMetaDataReaderControl() +{ + if (m_retriever) { + m_retriever->release(); + delete m_retriever; + } +} + +bool QAndroidMetaDataReaderControl::isMetaDataAvailable() const +{ + return m_available; +} + +QVariant QAndroidMetaDataReaderControl::metaData(const QString &key) const +{ + return m_metadata.value(key); +} + +QStringList QAndroidMetaDataReaderControl::availableMetaData() const +{ + return m_metadata.keys(); +} + +void QAndroidMetaDataReaderControl::onMediaChanged(const QMediaContent &media) +{ + if (!m_retriever) + return; + + m_mediaContent = media; + updateData(); +} + +void QAndroidMetaDataReaderControl::onUpdateMetaData() +{ + if (!m_retriever || m_mediaContent.isNull()) + return; + + updateData(); +} + +void QAndroidMetaDataReaderControl::updateData() +{ + m_metadata.clear(); + + if (!m_mediaContent.isNull()) { + if (m_retriever->setDataSource(m_mediaContent.canonicalUrl())) { + QString mimeType = m_retriever->extractMetadata(JMediaMetadataRetriever::MimeType); + if (!mimeType.isNull()) + m_metadata.insert(QMediaMetaData::MediaType, mimeType); + + bool isVideo = !m_retriever->extractMetadata(JMediaMetadataRetriever::HasVideo).isNull() + || mimeType.startsWith(QStringLiteral("video")); + + QString string = m_retriever->extractMetadata(JMediaMetadataRetriever::Album); + if (!string.isNull()) + m_metadata.insert(QMediaMetaData::AlbumTitle, string); + + string = m_retriever->extractMetadata(JMediaMetadataRetriever::AlbumArtist); + if (!string.isNull()) + m_metadata.insert(QMediaMetaData::AlbumArtist, string); + + string = m_retriever->extractMetadata(JMediaMetadataRetriever::Artist); + if (!string.isNull()) { + m_metadata.insert(isVideo ? QMediaMetaData::LeadPerformer + : QMediaMetaData::ContributingArtist, + string.split('/', QString::SkipEmptyParts)); + } + + string = m_retriever->extractMetadata(JMediaMetadataRetriever::Author); + if (!string.isNull()) + m_metadata.insert(QMediaMetaData::Author, string.split('/', QString::SkipEmptyParts)); + + string = m_retriever->extractMetadata(JMediaMetadataRetriever::Bitrate); + if (!string.isNull()) { + m_metadata.insert(isVideo ? QMediaMetaData::VideoBitRate + : QMediaMetaData::AudioBitRate, + string.toInt()); + } + + string = m_retriever->extractMetadata(JMediaMetadataRetriever::CDTrackNumber); + if (!string.isNull()) + m_metadata.insert(QMediaMetaData::TrackNumber, string.toInt()); + + string = m_retriever->extractMetadata(JMediaMetadataRetriever::Composer); + if (!string.isNull()) + m_metadata.insert(QMediaMetaData::Composer, string.split('/', QString::SkipEmptyParts)); + + string = m_retriever->extractMetadata(JMediaMetadataRetriever::Date); + if (!string.isNull()) + m_metadata.insert(QMediaMetaData::Date, QDateTime::fromString(string, QStringLiteral("yyyyMMddTHHmmss.zzzZ")).date()); + + string = m_retriever->extractMetadata(JMediaMetadataRetriever::Duration); + if (!string.isNull()) + m_metadata.insert(QMediaMetaData::Duration, string.toLongLong()); + + string = m_retriever->extractMetadata(JMediaMetadataRetriever::Genre); + if (!string.isNull()) { + // The genre can be returned as an ID3v2 id, get the name for it in that case + if (string.startsWith('(') && string.endsWith(')')) { + bool ok = false; + int genreId = string.mid(1, string.length() - 2).toInt(&ok); + if (ok && genreId >= 0 && genreId <= 125) + string = QLatin1String(qt_ID3GenreNames[genreId]); + } + m_metadata.insert(QMediaMetaData::Genre, string); + } + + string = m_retriever->extractMetadata(JMediaMetadataRetriever::Title); + if (!string.isNull()) + m_metadata.insert(QMediaMetaData::Title, string); + + string = m_retriever->extractMetadata(JMediaMetadataRetriever::VideoHeight); + if (!string.isNull()) { + int height = string.toInt(); + int width = m_retriever->extractMetadata(JMediaMetadataRetriever::VideoWidth).toInt(); + m_metadata.insert(QMediaMetaData::Resolution, QSize(width, height)); + } + + string = m_retriever->extractMetadata(JMediaMetadataRetriever::Writer); + if (!string.isNull()) + m_metadata.insert(QMediaMetaData::Writer, string.split('/', QString::SkipEmptyParts)); + + string = m_retriever->extractMetadata(JMediaMetadataRetriever::Year); + if (!string.isNull()) + m_metadata.insert(QMediaMetaData::Year, string.toInt()); + } + } + + bool oldAvailable = m_available; + m_available = !m_metadata.isEmpty(); + if (m_available != oldAvailable) + Q_EMIT metaDataAvailableChanged(m_available); + + Q_EMIT metaDataChanged(); +} + +QT_END_NAMESPACE |