qtmobility/plugins/multimedia/gstreamer/mediacapture/qgstreamerv4l2input.h
changeset 4 90517678cc4f
child 5 453da2cfceef
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/plugins/multimedia/gstreamer/mediacapture/qgstreamerv4l2input.h	Mon May 03 13:18:40 2010 +0300
@@ -0,0 +1,84 @@
+/****************************************************************************
+**
+** 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 QGSTREAMERV4L2INPUT_H
+#define QGSTREAMERV4L2INPUT_H
+
+#include <QtCore/qhash.h>
+#include <QtCore/qbytearray.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qsize.h>
+#include "qgstreamercapturesession.h"
+
+QTM_USE_NAMESPACE
+QT_USE_NAMESPACE
+
+class QGstreamerV4L2Input : public QObject, public QGstreamerVideoInput
+{
+    Q_OBJECT
+public:
+    QGstreamerV4L2Input(QObject *parent = 0);
+    virtual ~QGstreamerV4L2Input();
+
+    GstElement *buildElement();
+
+    QList<qreal> supportedFrameRates(const QSize &frameSize = QSize()) const;
+    QList<QSize> supportedResolutions(qreal frameRate = -1) const;
+
+    QByteArray device() const;
+
+public slots:
+    void setDevice(const QByteArray &device);
+    void setDevice(const QString &device);
+
+private:
+    void updateSupportedResolutions(const QByteArray &device);
+
+    QList<qreal> m_frameRates;
+    QList<QSize> m_resolutions;
+
+    QHash<QSize, QSet<int> > m_ratesByResolution;
+
+    QByteArray m_device;
+};
+
+#endif // QGSTREAMERV4L2INPUT_H