plugins/multimedia/qt7/qt7playermetadata.mm
changeset 5 603d3f8b6302
parent 3 e4ebb16b39ea
--- 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 <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"