QtGStreamer  0.10.2
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streamvolume.cpp
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 #include "streamvolume.h"
00018 #include <gst/interfaces/streamvolume.h>
00019 
00020 namespace QGst {
00021 
00022 double StreamVolume::volume(StreamVolumeFormat format) const
00023 {
00024     return gst_stream_volume_get_volume(object<GstStreamVolume>(),
00025                                         static_cast<GstStreamVolumeFormat>(format));
00026 }
00027 
00028 void StreamVolume::setVolume(double value, StreamVolumeFormat format)
00029 {
00030     gst_stream_volume_set_volume(object<GstStreamVolume>(),
00031                                  static_cast<GstStreamVolumeFormat>(format), value);
00032 }
00033 
00034 bool StreamVolume::isMuted() const
00035 {
00036     return gst_stream_volume_get_mute(object<GstStreamVolume>());
00037 }
00038 
00039 void StreamVolume::setMuted(bool muted)
00040 {
00041     gst_stream_volume_set_mute(object<GstStreamVolume>(), muted);
00042 }
00043 
00044 double StreamVolume::convert(StreamVolumeFormat from, StreamVolumeFormat to, double value)
00045 {
00046     return gst_stream_volume_convert_volume(static_cast<GstStreamVolumeFormat>(from),
00047                                             static_cast<GstStreamVolumeFormat>(to), value);
00048 }
00049 
00050 } //namespace QGst