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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 #include <stdio.h> // snprintf
31 Volume::Volume( intf_thread_t *pIntf ): VarPercent( pIntf )
35 aout_VolumeGet( getIntf(), &val );
36 VarPercent::set( val / AOUT_VOLUME_MAX );
40 void Volume::set( float percentage )
42 // Avoid looping forever...
43 if( (int)(get() * AOUT_VOLUME_MAX) !=
44 (int)(percentage * AOUT_VOLUME_MAX) )
46 VarPercent::set( percentage );
48 aout_VolumeSet( getIntf(), (int)(get() * AOUT_VOLUME_MAX) );
53 string Volume::getAsStringPercent() const
55 int value = (int)(100. * VarPercent::get());
56 // 0 <= value <= 100, so we need 4 chars
57 char *str = new char[4];
58 snprintf( str, 4, "%d", value );