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>
30 #include <vlc_aout_intf.h>
31 #include <vlc_playlist.h>
34 Volume::Volume( intf_thread_t *pIntf ): VarPercent( pIntf )
36 m_step = (float)config_GetInt( pIntf, "volume-step" ) / AOUT_VOLUME_MAX;
38 m_volumeMax = AOUT_VOLUME_DEFAULT * 2;
41 float val = aout_VolumeGet( getIntf()->p_sys->p_playlist ) * 100.f;
46 void Volume::set( float percentage, bool updateVLC )
48 // Avoid looping forever...
49 if( (int)(get() * AOUT_VOLUME_MAX) !=
50 (int)(percentage * AOUT_VOLUME_MAX) )
52 VarPercent::set( percentage );
54 aout_VolumeSet( getIntf()->p_sys->p_playlist,
55 (int)(get() * m_volumeMax) );
60 void Volume::set( int val, bool updateVLC )
62 set( (float)val / m_volumeMax, updateVLC );
66 string Volume::getAsStringPercent() const
68 int value = (int)(m_max * VarPercent::get());
69 // 0 <= value <= 200, so we need 4 chars
71 snprintf( str, 4, "%d", value );