diff -r e4ebb16b39ea -r 603d3f8b6302 plugins/multimedia/qt7/qt7playermetadata.mm --- a/plugins/multimedia/qt7/qt7playermetadata.mm Fri Sep 17 08:34:34 2010 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,260 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Qt Mobility Components. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 - -#import - -#ifdef QUICKTIME_C_API_AVAILABLE - #include - #undef check // avoid name clash; -#endif - -QT_USE_NAMESPACE - -QT7PlayerMetaDataControl::QT7PlayerMetaDataControl(QT7PlayerSession *session, QObject *parent) - :QMetaDataReaderControl(parent), m_session(session) -{ -} - -QT7PlayerMetaDataControl::~QT7PlayerMetaDataControl() -{ -} - -bool QT7PlayerMetaDataControl::isMetaDataAvailable() const -{ - return !m_tags.isEmpty(); -} - -bool QT7PlayerMetaDataControl::isWritable() const -{ - return false; -} - -QVariant QT7PlayerMetaDataControl::metaData(QtMultimediaKit::MetaData key) const -{ - return m_tags.value(key); -} - -QList QT7PlayerMetaDataControl::availableMetaData() const -{ - return m_tags.keys(); -} - -QVariant QT7PlayerMetaDataControl::extendedMetaData(const QString &key) const -{ - Q_UNUSED(key); - return QVariant(); -} - -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); - - if (err == noErr) { - *value = malloc(propSize); - if (*value != 0) { - err = QTMetaDataGetItemProperty(metaDataRef, item, propClass, id, propSize, *value, size); - - if (err == noErr && (type == 'code' || type == 'itsk' || type == 'itlk')) { - // convert from native endian to big endian - OSTypePtr pType = (OSTypePtr)*value; - *pType = EndianU32_NtoB(*pType); - } - } - else - return -1; - } - - 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); - - if (err == noErr) { - UInt32 type = *((UInt32 *) value); - if (value) - free(value); - return type; - } - - return 0; -} - -static QString cFStringToQString(CFStringRef str) -{ - if(!str) - return QString(); - CFIndex length = CFStringGetLength(str); - const UniChar *chars = CFStringGetCharactersPtr(str); - if (chars) - return QString(reinterpret_cast(chars), length); - - QVarLengthArray buffer(length); - CFStringGetCharacters(str, CFRangeMake(0, length), buffer.data()); - return QString(reinterpret_cast(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; - - if (err == noErr) { - 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 &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 metaMap; - -#ifdef QUICKTIME_C_API_AVAILABLE - QTMetaDataRef metaDataRef; - OSStatus err = QTCopyMovieMetaData([movie quickTimeMovie], &metaDataRef); - if (err == noErr) { - readFormattedData(metaDataRef, kQTMetaDataStorageFormatUserData, metaMap); - readFormattedData(metaDataRef, kQTMetaDataStorageFormatQuickTime, metaMap); - readFormattedData(metaDataRef, kQTMetaDataStorageFormatiTunes, metaMap); - } -#else - AutoReleasePool pool; - NSString *name = [movie attributeForKey:@"QTMovieDisplayNameAttribute"]; - metaMap.insert(QLatin1String("nam"), QString::fromUtf8([name UTF8String])); -#endif // QUICKTIME_C_API_AVAILABLE - - m_tags.insert(QtMultimediaKit::AlbumArtist, metaMap.value(QLatin1String("ART"))); - m_tags.insert(QtMultimediaKit::AlbumTitle, metaMap.value(QLatin1String("alb"))); - m_tags.insert(QtMultimediaKit::Title, metaMap.value(QLatin1String("nam"))); - m_tags.insert(QtMultimediaKit::Date, metaMap.value(QLatin1String("day"))); - m_tags.insert(QtMultimediaKit::Genre, metaMap.value(QLatin1String("gnre"))); - m_tags.insert(QtMultimediaKit::TrackNumber, metaMap.value(QLatin1String("trk"))); - m_tags.insert(QtMultimediaKit::Description, metaMap.value(QLatin1String("des"))); - } - - if (!wasEmpty || !m_tags.isEmpty()) - emit metaDataChanged(); -} - -#include "moc_qt7playermetadata.cpp"