diff options
Diffstat (limited to 'src/plugins/mediaservices/qt7/mediaplayer/qt7playermetadata.mm')
-rw-r--r-- | src/plugins/mediaservices/qt7/mediaplayer/qt7playermetadata.mm | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/src/plugins/mediaservices/qt7/mediaplayer/qt7playermetadata.mm b/src/plugins/mediaservices/qt7/mediaplayer/qt7playermetadata.mm new file mode 100644 index 0000000..96b7a68 --- /dev/null +++ b/src/plugins/mediaservices/qt7/mediaplayer/qt7playermetadata.mm @@ -0,0 +1,261 @@ +/**************************************************************************** +** +** 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 "qt7backend.h" +#include "qt7playermetadata.h" +#include "qt7playersession.h" +#include <QtCore/qvarlengtharray.h> + +#import <QTKit/QTMovie.h> + +#ifdef QUICKTIME_C_API_AVAILABLE + #include <QuickTime/QuickTime.h> + #undef check // avoid name clash; +#endif + +QT_BEGIN_NAMESPACE + +QT7PlayerMetaDataControl::QT7PlayerMetaDataControl(QT7PlayerSession *session, QObject *parent) + :QMetaDataControl(parent), m_session(session) +{ +} + +QT7PlayerMetaDataControl::~QT7PlayerMetaDataControl() +{ +} + +bool QT7PlayerMetaDataControl::isMetaDataAvailable() const +{ + return !m_tags.isEmpty(); +} + +bool QT7PlayerMetaDataControl::isWritable() const +{ + return false; +} + +QVariant QT7PlayerMetaDataControl::metaData(QtMedia::MetaData key) const +{ + return m_tags.value(key); +} + +void QT7PlayerMetaDataControl::setMetaData(QtMedia::MetaData key, QVariant const &value) +{ + Q_UNUSED(key); + Q_UNUSED(value); +} + +QList<QtMedia::MetaData> QT7PlayerMetaDataControl::availableMetaData() const +{ + return m_tags.keys(); +} + +QVariant QT7PlayerMetaDataControl::extendedMetaData(const QString &key) const +{ + Q_UNUSED(key); + return QVariant(); +} + +void QT7PlayerMetaDataControl::setExtendedMetaData(const QString &key, QVariant const &value) +{ + Q_UNUSED(key); + Q_UNUSED(value); +} + +QStringList QT7PlayerMetaDataControl::availableExtendedMetaData() const +{ + return QStringList(); +} + +#ifdef QUICKTIME_C_API_AVAILABLE + +static QString stripCopyRightSymbol(const QString &key) +{ + return key.right(key.length()-1); +} + +static QString convertQuickTimeKeyToUserKey(const QString &key) +{ + if (key == QLatin1String("com.apple.quicktime.displayname")) + return QLatin1String("nam"); + else if (key == QLatin1String("com.apple.quicktime.album")) + return QLatin1String("alb"); + else if (key == QLatin1String("com.apple.quicktime.artist")) + return QLatin1String("ART"); + else + return QLatin1String("???"); +} + +static OSStatus readMetaValue(QTMetaDataRef metaDataRef, QTMetaDataItem item, QTPropertyClass propClass, + QTPropertyID id, QTPropertyValuePtr *value, ByteCount *size) +{ + QTPropertyValueType type; + ByteCount propSize; + UInt32 propFlags; + OSStatus err = QTMetaDataGetItemPropertyInfo(metaDataRef, item, propClass, id, &type, &propSize, &propFlags); + + + *value = malloc(propSize); + + err = QTMetaDataGetItemProperty(metaDataRef, item, propClass, id, propSize, *value, size); + + if (type == 'code' || type == 'itsk' || type == 'itlk') { + // convert from native endian to big endian + OSTypePtr pType = (OSTypePtr)*value; + *pType = EndianU32_NtoB(*pType); + } + + return err; +} + +static UInt32 getMetaType(QTMetaDataRef metaDataRef, QTMetaDataItem item) +{ + QTPropertyValuePtr value = 0; + ByteCount ignore = 0; + OSStatus err = readMetaValue( + metaDataRef, item, kPropertyClass_MetaDataItem, kQTMetaDataItemPropertyID_DataType, &value, &ignore); + + UInt32 type = *((UInt32 *) value); + if (value) + free(value); + return type; +} + +static QString cFStringToQString(CFStringRef str) +{ + if(!str) + return QString(); + CFIndex length = CFStringGetLength(str); + const UniChar *chars = CFStringGetCharactersPtr(str); + if (chars) + return QString(reinterpret_cast<const QChar *>(chars), length); + + QVarLengthArray<UniChar> buffer(length); + CFStringGetCharacters(str, CFRangeMake(0, length), buffer.data()); + return QString(reinterpret_cast<const QChar *>(buffer.constData()), length); +} + + +static QString getMetaValue(QTMetaDataRef metaDataRef, QTMetaDataItem item, SInt32 id) +{ + QTPropertyValuePtr value = 0; + ByteCount size = 0; + OSStatus err = readMetaValue(metaDataRef, item, kPropertyClass_MetaDataItem, id, &value, &size); + + QString string; + UInt32 dataType = getMetaType(metaDataRef, item); + switch (dataType){ + case kQTMetaDataTypeUTF8: + case kQTMetaDataTypeMacEncodedText: + string = cFStringToQString(CFStringCreateWithBytes(0, (UInt8*)value, size, kCFStringEncodingUTF8, false)); + break; + case kQTMetaDataTypeUTF16BE: + string = cFStringToQString(CFStringCreateWithBytes(0, (UInt8*)value, size, kCFStringEncodingUTF16BE, false)); + break; + default: + break; + } + + if (value) + free(value); + return string; +} + + +static void readFormattedData(QTMetaDataRef metaDataRef, OSType format, QMultiMap<QString, QString> &result) +{ + QTMetaDataItem item = kQTMetaDataItemUninitialized; + OSStatus err = QTMetaDataGetNextItem(metaDataRef, format, item, kQTMetaDataKeyFormatWildcard, 0, 0, &item); + while (err == noErr){ + QString key = getMetaValue(metaDataRef, item, kQTMetaDataItemPropertyID_Key); + if (format == kQTMetaDataStorageFormatQuickTime) + key = convertQuickTimeKeyToUserKey(key); + else + key = stripCopyRightSymbol(key); + + if (!result.contains(key)){ + QString val = getMetaValue(metaDataRef, item, kQTMetaDataItemPropertyID_Value); + result.insert(key, val); + } + err = QTMetaDataGetNextItem(metaDataRef, format, item, kQTMetaDataKeyFormatWildcard, 0, 0, &item); + } +} +#endif + + +void QT7PlayerMetaDataControl::updateTags() +{ + bool wasEmpty = m_tags.isEmpty(); + m_tags.clear(); + + QTMovie *movie = (QTMovie*)m_session->movie(); + + if (movie) { + QMultiMap<QString, QString> metaMap; + +#ifdef QUICKTIME_C_API_AVAILABLE + QTMetaDataRef metaDataRef; + OSStatus err = QTCopyMovieMetaData([movie quickTimeMovie], &metaDataRef); + + readFormattedData(metaDataRef, kQTMetaDataStorageFormatUserData, metaMap); + readFormattedData(metaDataRef, kQTMetaDataStorageFormatQuickTime, metaMap); + readFormattedData(metaDataRef, kQTMetaDataStorageFormatiTunes, metaMap); +#else + NSString *name = [movie attributeForKey:@"QTMovieDisplayNameAttribute"]; + metaMap.insert(QLatin1String("nam"), QString::fromUtf8([name UTF8String])); +#endif // QUICKTIME_C_API_AVAILABLE + + m_tags.insert(QtMedia::AlbumArtist, metaMap.value(QLatin1String("ART"))); + m_tags.insert(QtMedia::AlbumTitle, metaMap.value(QLatin1String("alb"))); + m_tags.insert(QtMedia::Title, metaMap.value(QLatin1String("nam"))); + m_tags.insert(QtMedia::Date, metaMap.value(QLatin1String("day"))); + m_tags.insert(QtMedia::Genre, metaMap.value(QLatin1String("gnre"))); + m_tags.insert(QtMedia::TrackNumber, metaMap.value(QLatin1String("trk"))); + m_tags.insert(QtMedia::Description, metaMap.value(QLatin1String("des"))); + } + + if (!wasEmpty || !m_tags.isEmpty()) + emit metaDataChanged(); +} + +QT_END_NAMESPACE + +#include "moc_qt7playermetadata.cpp" |