qtmobility/plugins/multimedia/gstreamer/qgstreamerbushelper.h
changeset 1 2b40d63a9c3d
child 11 06b8e2af4411
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/plugins/multimedia/gstreamer/qgstreamerbushelper.h	Fri Apr 16 15:51:22 2010 +0300
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGSTREAMERBUSHELPER_H
+#define QGSTREAMERBUSHELPER_H
+
+#include <QObject>
+
+#include <qgstreamermessage.h>
+#include <gst/gst.h>
+
+class QGstreamerSyncEventFilter {
+public:
+    //returns true if message was processed and should be dropped, false otherwise
+    virtual bool processSyncMessage(const QGstreamerMessage &message) = 0;
+};
+
+class QGstreamerBusHelperPrivate;
+
+class QGstreamerBusHelper : public QObject
+{
+    Q_OBJECT
+    friend class QGstreamerBusHelperPrivate;
+
+public:
+    QGstreamerBusHelper(GstBus* bus, QObject* parent = 0);
+    ~QGstreamerBusHelper();
+
+    void installSyncEventFilter(QGstreamerSyncEventFilter *filter);
+
+signals:
+    void message(QGstreamerMessage const& message);
+
+
+private:
+    QGstreamerBusHelperPrivate*   d;
+};
+
+#endif