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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:34:13 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:34:13 (GMT)
commit67ad0519fd165acee4a4d2a94fa502e9e4847bd0 (patch)
tree1dbf50b3dff8d5ca7e9344733968c72704eb15ff /src/3rdparty/phonon/qt7/quicktimemetadata.mm
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Long live Qt!
Diffstat (limited to 'src/3rdparty/phonon/qt7/quicktimemetadata.mm')
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diff --git a/src/3rdparty/phonon/qt7/quicktimemetadata.mm b/src/3rdparty/phonon/qt7/quicktimemetadata.mm
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+/* This file is part of the KDE project.
+
+ Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+ This library is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 2.1 or 3 of the License.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this library. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "quicktimemetadata.h"
+#include "quicktimevideoplayer.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+namespace QT7
+{
+
+QuickTimeMetaData::QuickTimeMetaData()
+{
+ m_videoPlayer = 0;
+ m_movieChanged = false;
+}
+
+QuickTimeMetaData::~QuickTimeMetaData()
+{
+}
+
+void QuickTimeMetaData::setVideo(QuickTimeVideoPlayer *videoPlayer)
+{
+ m_videoPlayer = videoPlayer;
+ m_movieChanged = true;
+ m_metaData.clear();
+}
+
+#ifdef QUICKTIME_C_API_AVAILABLE
+
+QString QuickTimeMetaData::stripCopyRightSymbol(const QString &key)
+{
+ return key.right(key.length()-1);
+}
+
+QString QuickTimeMetaData::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("???");
+}
+
+OSStatus QuickTimeMetaData::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);
+ BACKEND_ASSERT3(err == noErr, "Could not read meta data value size", NORMAL_ERROR, err)
+
+ *value = malloc(propSize);
+
+ err = QTMetaDataGetItemProperty(metaDataRef, item, propClass, id, propSize, *value, size);
+ BACKEND_ASSERT3(err == noErr, "Could not read meta data value", NORMAL_ERROR, err)
+
+ if (type == 'code' || type == 'itsk' || type == 'itlk') {
+ // convert from native endian to big endian
+ OSTypePtr pType = (OSTypePtr)*value;
+ *pType = EndianU32_NtoB(*pType);
+ }
+
+ return err;
+}
+
+UInt32 QuickTimeMetaData::getMetaType(QTMetaDataRef metaDataRef, QTMetaDataItem item)
+{
+ QTPropertyValuePtr value = 0;
+ ByteCount ignore = 0;
+ OSStatus err = readMetaValue(
+ metaDataRef, item, kPropertyClass_MetaDataItem, kQTMetaDataItemPropertyID_DataType, &value, &ignore);
+ BACKEND_ASSERT3(err == noErr, "Could not read meta data type", NORMAL_ERROR, 0)
+ UInt32 type = *((UInt32 *) value);
+ if (value)
+ free(value);
+ return type;
+}
+
+QString QuickTimeMetaData::getMetaValue(QTMetaDataRef metaDataRef, QTMetaDataItem item, SInt32 id)
+{
+ QTPropertyValuePtr value = 0;
+ ByteCount size = 0;
+ OSStatus err = readMetaValue(metaDataRef, item, kPropertyClass_MetaDataItem, id, &value, &size);
+ BACKEND_ASSERT3(err == noErr, "Could not read meta data item", NORMAL_ERROR, QString())
+ BACKEND_ASSERT3(value != 0, "Could not read meta data item", NORMAL_ERROR, QString())
+
+ QString string;
+ UInt32 dataType = getMetaType(metaDataRef, item);
+ switch (dataType){
+ case kQTMetaDataTypeUTF8:
+ case kQTMetaDataTypeMacEncodedText:
+ string = PhononCFString::toQString(CFStringCreateWithBytes(0, (UInt8*)value, size, kCFStringEncodingUTF8, false));
+ break;
+ case kQTMetaDataTypeUTF16BE:
+ string = PhononCFString::toQString(CFStringCreateWithBytes(0, (UInt8*)value, size, kCFStringEncodingUTF16BE, false));
+ break;
+ default:
+ break;
+ }
+
+ if (value)
+ free(value);
+ return string;
+}
+
+void QuickTimeMetaData::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 // QUICKTIME_C_API_AVAILABLE
+
+void QuickTimeMetaData::readMetaData()
+{
+ if (!m_videoPlayer)
+ return;
+ QMultiMap<QString, QString> metaMap;
+
+#ifdef QUICKTIME_C_API_AVAILABLE
+ QTMetaDataRef metaDataRef;
+ OSStatus err = QTCopyMovieMetaData([m_videoPlayer->qtMovie() quickTimeMovie], &metaDataRef);
+ BACKEND_ASSERT2(err == noErr, "Could not read QuickTime meta data", NORMAL_ERROR)
+
+ readFormattedData(metaDataRef, kQTMetaDataStorageFormatUserData, metaMap);
+ readFormattedData(metaDataRef, kQTMetaDataStorageFormatQuickTime, metaMap);
+ readFormattedData(metaDataRef, kQTMetaDataStorageFormatiTunes, metaMap);
+#else
+ NSString *name = [m_videoPlayer->qtMovie() attributeForKey:@"QTMovieDisplayNameAttribute"];
+ metaMap.insert(QLatin1String("nam"), QString::fromUtf8([name UTF8String]));
+#endif // QUICKTIME_C_API_AVAILABLE
+
+ m_metaData.insert(QLatin1String("ARTIST"), metaMap.value(QLatin1String("ART")));
+ m_metaData.insert(QLatin1String("ALBUM"), metaMap.value(QLatin1String("alb")));
+ m_metaData.insert(QLatin1String("TITLE"), metaMap.value(QLatin1String("nam")));
+ m_metaData.insert(QLatin1String("DATE"), metaMap.value(QLatin1String("day")));
+ m_metaData.insert(QLatin1String("GENRE"), metaMap.value(QLatin1String("gnre")));
+ m_metaData.insert(QLatin1String("TRACKNUMBER"), metaMap.value(QLatin1String("trk")));
+ m_metaData.insert(QLatin1String("DESCRIPTION"), metaMap.value(QLatin1String("des")));
+}
+
+QMultiMap<QString, QString> QuickTimeMetaData::metaData()
+{
+ if (m_videoPlayer && m_videoPlayer->hasMovie() && m_movieChanged)
+ readMetaData();
+ return m_metaData;
+}
+
+}}
+
+QT_END_NAMESPACE