qtmobility/plugins/multimedia/gstreamer/mediacapture/maemo/qgstreamercapturemetadatacontrol_maemo.cpp
changeset 4 90517678cc4f
child 5 453da2cfceef
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/plugins/multimedia/gstreamer/mediacapture/maemo/qgstreamercapturemetadatacontrol_maemo.cpp	Mon May 03 13:18:40 2010 +0300
@@ -0,0 +1,198 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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_maemo.h"
+
+#include <gst/gst.h>
+#include <gst/gstversion.h>
+
+struct QGstreamerMetaDataKeyLookup
+{
+    QtMedia::MetaData key;
+    const char *token;
+};
+
+static const QGstreamerMetaDataKeyLookup qt_gstreamerMetaDataKeys[] =
+{
+    { QtMedia::Title, GST_TAG_TITLE },
+    //{ QtMedia::SubTitle, 0 },
+    //{ QtMedia::Author, 0 },
+    { QtMedia::Comment, GST_TAG_COMMENT },
+    { QtMedia::Description, GST_TAG_DESCRIPTION },
+    //{ QtMedia::Category, 0 },
+    { QtMedia::Genre, GST_TAG_GENRE },
+    //{ QtMedia::Year, 0 },
+    //{ QtMedia::UserRating, 0 },
+
+    { QtMedia::Language, GST_TAG_LANGUAGE_CODE },
+
+    { QtMedia::Publisher, GST_TAG_ORGANIZATION },
+    { QtMedia::Copyright, GST_TAG_COPYRIGHT },
+    //{ QtMedia::ParentalRating, 0 },
+    //{ QtMedia::RatingOrganisation, 0 },
+
+    // Media
+    //{ QtMedia::Size, 0 },
+    //{ QtMedia::MediaType, 0 },
+    { QtMedia::Duration, GST_TAG_DURATION },
+
+    // Audio
+    { QtMedia::AudioBitRate, GST_TAG_BITRATE },
+    { QtMedia::AudioCodec, GST_TAG_AUDIO_CODEC },
+    //{ QtMedia::ChannelCount, 0 },
+    //{ QtMedia::SampleRate, 0 },
+
+    // Music
+    { QtMedia::AlbumTitle, GST_TAG_ALBUM },
+    { QtMedia::AlbumArtist,  GST_TAG_ARTIST},
+    { QtMedia::ContributingArtist, GST_TAG_PERFORMER },
+#if (GST_VERSION_MAJOR >= 0) && (GST_VERSION_MINOR >= 10) && (GST_VERSION_MICRO >= 19)
+    { QtMedia::Composer, GST_TAG_COMPOSER },
+#endif
+    //{ QtMedia::Conductor, 0 },
+    //{ QtMedia::Lyrics, 0 },
+    //{ QtMedia::Mood, 0 },
+    { QtMedia::TrackNumber, GST_TAG_TRACK_NUMBER },
+
+    //{ QtMedia::CoverArtUrlSmall, 0 },
+    //{ QtMedia::CoverArtUrlLarge, 0 },
+
+    // Image/Video
+    //{ QtMedia::Resolution, 0 },
+    //{ QtMedia::PixelAspectRatio, 0 },
+
+    // Video
+    //{ QtMedia::VideoFrameRate, 0 },
+    //{ QtMedia::VideoBitRate, 0 },
+    { QtMedia::VideoCodec, GST_TAG_VIDEO_CODEC },
+
+    //{ QtMedia::PosterUrl, 0 },
+
+    // Movie
+    //{ QtMedia::ChapterNumber, 0 },
+    //{ QtMedia::Director, 0 },
+    { QtMedia::LeadPerformer, GST_TAG_PERFORMER },
+    //{ QtMedia::Writer, 0 },
+
+    // Photos
+    //{ QtMedia::CameraManufacturer, 0 },
+    //{ QtMedia::CameraModel, 0 },
+    //{ QtMedia::Event, 0 },
+    //{ QtMedia::Subject, 0 }
+};
+
+QGstreamerCaptureMetaDataControl::QGstreamerCaptureMetaDataControl(QObject *parent)
+    :QMetaDataControl(parent)
+{
+}
+
+QVariant QGstreamerCaptureMetaDataControl::metaData(QtMedia::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(QtMedia::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 QMetaDataControl::metaDataChanged();
+            emit metaDataChanged(m_values);
+
+            return;
+        }
+    }
+}
+
+QList<QtMedia::MetaData> QGstreamerCaptureMetaDataControl::availableMetaData() const
+{
+    static QMap<QByteArray, QtMedia::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<QtMedia::MetaData> res;
+    foreach (const QByteArray &key, m_values.keys()) {
+        QtMedia::MetaData tag = keysMap.value(key, QtMedia::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 QMetaDataControl::metaDataChanged();
+    emit metaDataChanged(m_values);
+}
+
+QStringList QGstreamerCaptureMetaDataControl::availableExtendedMetaData() const
+{
+    QStringList res;
+    foreach (const QByteArray &key, m_values.keys())
+        res.append(QString(key));
+
+    return res;
+}