QtGStreamer  0.10.2
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streamvolume.h
00001 /*
00002     Copyright (C) 2010  George Kiagiadakis <kiagiadakis.george@gmail.com>
00003 
00004     This library is free software; you can redistribute it and/or modify
00005     it under the terms of the GNU Lesser General Public License as published
00006     by the Free Software Foundation; either version 2.1 of the License, or
00007     (at your option) any later version.
00008 
00009     This program is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012     GNU Lesser General Public License for more details.
00013 
00014     You should have received a copy of the GNU Lesser General Public License
00015     along with this program.  If not, see <http://www.gnu.org/licenses/>.
00016 */
00017 #ifndef QGST_STREAMVOLUME_H
00018 #define QGST_STREAMVOLUME_H
00019 
00020 #include "global.h"
00021 #include "../QGlib/object.h"
00022 
00023 namespace QGst {
00024 
00028 class QTGSTREAMER_EXPORT StreamVolume : public QGlib::Interface
00029 {
00030     QGST_WRAPPER(StreamVolume)
00031 public:
00032     double volume(StreamVolumeFormat format = StreamVolumeFormatLinear) const;
00033     void setVolume(double value, StreamVolumeFormat format = StreamVolumeFormatLinear);
00034 
00035     bool isMuted() const;
00036     void setMuted(bool muted);
00037 
00038     static double convert(StreamVolumeFormat from, StreamVolumeFormat to, double value);
00039 };
00040 
00041 } //namespace QGst
00042 
00043 QGST_REGISTER_TYPE(QGst::StreamVolume)
00044 QGLIB_REGISTER_INTERFACE(QGst::StreamVolume)
00045 
00046 #endif // QGST_STREAMVOLUME_H