--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/multimedia/qt7/mediaplayer/qt7playermetadata.mm Mon Oct 04 01:37:06 2010 +0300
@@ -0,0 +1,260 @@
+/****************************************************************************
+**
+** 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 <QtCore/qvarlengtharray.h>
+
+#import <QTKit/QTMovie.h>
+
+#ifdef QUICKTIME_C_API_AVAILABLE
+ #include <QuickTime/QuickTime.h>
+ #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<QtMultimediaKit::MetaData> 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<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;
+
+ 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<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);
+ 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"