1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003 the VideoLAN team
7 * Authors: Cyril Deguet <asmax@via.ecp.fr>
8 * Olivier Teulière <ipkiss@via.ecp.fr>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
29 #include <vlc_common.h>
33 Volume::Volume( intf_thread_t *pIntf ): VarPercent( pIntf )
37 aout_VolumeGet( getIntf(), &val );
38 VarPercent::set( val * 2.0 / AOUT_VOLUME_MAX );
42 void Volume::set( float percentage )
44 // Avoid looping forever...
45 if( (int)(get() * AOUT_VOLUME_MAX) !=
46 (int)(percentage * AOUT_VOLUME_MAX) )
48 VarPercent::set( percentage );
50 aout_VolumeSet( getIntf(), (int)(get() * AOUT_VOLUME_MAX / 2.0) );
55 string Volume::getAsStringPercent() const
57 int value = (int)(100. * VarPercent::get());
58 // 0 <= value <= 100, so we need 4 chars
59 char *str = new char[4];
60 snprintf( str, 4, "%d", value );