--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/multimedia/gstreamer/mediacapture/qgstreamercapturemetadatacontrol.cpp	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,198 @@
+/****************************************************************************
+**
+** 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 "qgstreamercapturemetadatacontrol.h"
+
+#include <gst/gst.h>
+#include <gst/gstversion.h>
+
+struct QGstreamerMetaDataKeyLookup
+{
+    QtMultimediaKit::MetaData key;
+    const char *token;
+};
+
+static const QGstreamerMetaDataKeyLookup qt_gstreamerMetaDataKeys[] =
+{
+    { QtMultimediaKit::Title, GST_TAG_TITLE },
+    //{ QtMultimediaKit::SubTitle, 0 },
+    //{ QtMultimediaKit::Author, 0 },
+    { QtMultimediaKit::Comment, GST_TAG_COMMENT },
+    { QtMultimediaKit::Description, GST_TAG_DESCRIPTION },
+    //{ QtMultimediaKit::Category, 0 },
+    { QtMultimediaKit::Genre, GST_TAG_GENRE },
+    //{ QtMultimediaKit::Year, 0 },
+    //{ QtMultimediaKit::UserRating, 0 },
+
+    { QtMultimediaKit::Language, GST_TAG_LANGUAGE_CODE },
+
+    { QtMultimediaKit::Publisher, GST_TAG_ORGANIZATION },
+    { QtMultimediaKit::Copyright, GST_TAG_COPYRIGHT },
+    //{ QtMultimediaKit::ParentalRating, 0 },
+    //{ QtMultimediaKit::RatingOrganisation, 0 },
+
+    // Media
+    //{ QtMultimediaKit::Size, 0 },
+    //{ QtMultimediaKit::MediaType, 0 },
+    { QtMultimediaKit::Duration, GST_TAG_DURATION },
+
+    // Audio
+    { QtMultimediaKit::AudioBitRate, GST_TAG_BITRATE },
+    { QtMultimediaKit::AudioCodec, GST_TAG_AUDIO_CODEC },
+    //{ QtMultimediaKit::ChannelCount, 0 },
+    //{ QtMultimediaKit::SampleRate, 0 },
+
+    // Music
+    { QtMultimediaKit::AlbumTitle, GST_TAG_ALBUM },
+    { QtMultimediaKit::AlbumArtist,  GST_TAG_ARTIST},
+    { QtMultimediaKit::ContributingArtist, GST_TAG_PERFORMER },
+#if (GST_VERSION_MAJOR >= 0) && (GST_VERSION_MINOR >= 10) && (GST_VERSION_MICRO >= 19)
+    { QtMultimediaKit::Composer, GST_TAG_COMPOSER },
+#endif
+    //{ QtMultimediaKit::Conductor, 0 },
+    //{ QtMultimediaKit::Lyrics, 0 },
+    //{ QtMultimediaKit::Mood, 0 },
+    { QtMultimediaKit::TrackNumber, GST_TAG_TRACK_NUMBER },
+
+    //{ QtMultimediaKit::CoverArtUrlSmall, 0 },
+    //{ QtMultimediaKit::CoverArtUrlLarge, 0 },
+
+    // Image/Video
+    //{ QtMultimediaKit::Resolution, 0 },
+    //{ QtMultimediaKit::PixelAspectRatio, 0 },
+
+    // Video
+    //{ QtMultimediaKit::VideoFrameRate, 0 },
+    //{ QtMultimediaKit::VideoBitRate, 0 },
+    { QtMultimediaKit::VideoCodec, GST_TAG_VIDEO_CODEC },
+
+    //{ QtMultimediaKit::PosterUrl, 0 },
+
+    // Movie
+    //{ QtMultimediaKit::ChapterNumber, 0 },
+    //{ QtMultimediaKit::Director, 0 },
+    { QtMultimediaKit::LeadPerformer, GST_TAG_PERFORMER },
+    //{ QtMultimediaKit::Writer, 0 },
+
+    // Photos
+    //{ QtMultimediaKit::CameraManufacturer, 0 },
+    //{ QtMultimediaKit::CameraModel, 0 },
+    //{ QtMultimediaKit::Event, 0 },
+    //{ QtMultimediaKit::Subject, 0 }
+};
+
+QGstreamerCaptureMetaDataControl::QGstreamerCaptureMetaDataControl(QObject *parent)
+    :QMetaDataWriterControl(parent)
+{
+}
+
+QVariant QGstreamerCaptureMetaDataControl::metaData(QtMultimediaKit::MetaData key) const
+{
+    static const int count = sizeof(qt_gstreamerMetaDataKeys) / sizeof(QGstreamerMetaDataKeyLookup);
+
+    for (int i = 0; i < count; ++i) {
+        if (qt_gstreamerMetaDataKeys[i].key == key) {
+            const char *name = qt_gstreamerMetaDataKeys[i].token;
+
+            return m_values.value(QByteArray::fromRawData(name, qstrlen(name)));
+        }
+    }
+    return QVariant();
+}
+
+void QGstreamerCaptureMetaDataControl::setMetaData(QtMultimediaKit::MetaData key, const QVariant &value)
+{
+    static const int count = sizeof(qt_gstreamerMetaDataKeys) / sizeof(QGstreamerMetaDataKeyLookup);
+
+    for (int i = 0; i < count; ++i) {
+        if (qt_gstreamerMetaDataKeys[i].key == key) {
+            const char *name = qt_gstreamerMetaDataKeys[i].token;
+
+            m_values.insert(QByteArray::fromRawData(name, qstrlen(name)), value);
+
+            emit QMetaDataWriterControl::metaDataChanged();
+            emit metaDataChanged(m_values);
+
+            return;
+        }
+    }
+}
+
+QList<QtMultimediaKit::MetaData> QGstreamerCaptureMetaDataControl::availableMetaData() const
+{
+    static QMap<QByteArray, QtMultimediaKit::MetaData> keysMap;
+    if (keysMap.isEmpty()) {
+        const int count = sizeof(qt_gstreamerMetaDataKeys) / sizeof(QGstreamerMetaDataKeyLookup);
+        for (int i = 0; i < count; ++i) {
+            keysMap[QByteArray(qt_gstreamerMetaDataKeys[i].token)] = qt_gstreamerMetaDataKeys[i].key;
+        }
+    }
+
+    QList<QtMultimediaKit::MetaData> res;
+    foreach (const QByteArray &key, m_values.keys()) {
+        QtMultimediaKit::MetaData tag = keysMap.value(key, QtMultimediaKit::MetaData(-1));
+        if (tag != -1)
+            res.append(tag);
+    }
+
+    return res;
+}
+
+QVariant QGstreamerCaptureMetaDataControl::extendedMetaData(QString const &name) const
+{
+    return m_values.value(name.toLatin1());
+}
+
+void QGstreamerCaptureMetaDataControl::setExtendedMetaData(QString const &name, QVariant const &value)
+{
+    m_values.insert(name.toLatin1(), value);
+    emit QMetaDataWriterControl::metaDataChanged();
+    emit metaDataChanged(m_values);
+}
+
+QStringList QGstreamerCaptureMetaDataControl::availableExtendedMetaData() const
+{
+    QStringList res;
+    foreach (const QByteArray &key, m_values.keys())
+        res.append(QString(key));
+
+    return res;
+}