Moved general gstreamer helper classes into separate library.

Cleaned up configuration of gstreamer with a separate config
test.

Change-Id: I1ec9ee466233687fbcfdc544a12d9fce578e4379
Reviewed-on: http://codereview.qt-project.org/6459
Sanity-Review: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>

1 files changed, 100 insertions, 0 deletions

diff --git a/src/multimedia/gsttools_headers/qgstreamerbushelper_p.h b/src/multimedia/gsttools_headers/qgstreamerbushelper_p.h
new file mode 100644
index 0000000..0ae5b89
--- /dev/null
+++ b/src/multimedia/gsttools_headers/qgstreamerbushelper_p.h
@@ -0,0 +1,100 @@
+/****************************************************************************
+**
+** 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 Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGSTREAMERBUSHELPER_P_H
+#define QGSTREAMERBUSHELPER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QObject>
+
+#include "qgstreamermessage_p.h"
+#include <gst/gst.h>
+
+class QGstreamerSyncMessageFilter {
+public:
+    //returns true if message was processed and should be dropped, false otherwise
+    virtual bool processSyncMessage(const QGstreamerMessage &message) = 0;
+};
+#define QGstreamerSyncMessageFilter_iid "com.nokia.Qt.QGstreamerSyncMessageFilter/1.0"
+Q_DECLARE_INTERFACE(QGstreamerSyncMessageFilter, QGstreamerSyncMessageFilter_iid)
+
+
+class QGstreamerBusMessageFilter {
+public:
+    //returns true if message was processed and should be dropped, false otherwise
+    virtual bool processBusMessage(const QGstreamerMessage &message) = 0;
+};
+#define QGstreamerBusMessageFilter_iid "com.nokia.Qt.QGstreamerBusMessageFilter/1.0"
+Q_DECLARE_INTERFACE(QGstreamerBusMessageFilter, QGstreamerBusMessageFilter_iid)
+
+
+class QGstreamerBusHelperPrivate;
+
+class QGstreamerBusHelper : public QObject
+{
+    Q_OBJECT
+    friend class QGstreamerBusHelperPrivate;
+
+public:
+    QGstreamerBusHelper(GstBus* bus, QObject* parent = 0);
+    ~QGstreamerBusHelper();
+
+    void installMessageFilter(QObject *filter);
+    void removeMessageFilter(QObject *filter);
+
+signals:
+    void message(QGstreamerMessage const& message);
+
+private:
+    QGstreamerBusHelperPrivate*   d;
+};
+
+#endif