1 /*****************************************************************************
2 * libvlc_audio.c: New libvlc audio control API
3 *****************************************************************************
4 * Copyright (C) 2006 the VideoLAN team
7 * Authors: Filippo Carone <filippo@carone.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 #include "libvlc_internal.h"
25 #include <vlc/libvlc.h>
29 /*****************************************************************************
30 * libvlc_audio_get_mute : Get the volume state, true if muted
31 *****************************************************************************/
32 void libvlc_audio_toggle_mute( libvlc_instance_t *p_instance,
33 libvlc_exception_t *p_e )
35 aout_VolumeMute( p_instance->p_libvlc_int, NULL );
38 vlc_bool_t libvlc_audio_get_mute( libvlc_instance_t *p_instance,
39 libvlc_exception_t *p_e )
42 * If the volume level is 0, then the channel is muted
44 audio_volume_t i_volume;
46 i_volume = libvlc_audio_get_volume(p_instance, p_e);
52 void libvlc_audio_set_mute( libvlc_instance_t *p_instance, vlc_bool_t mute,
53 libvlc_exception_t *p_e )
55 if ( mute ^ libvlc_audio_get_mute( p_instance, p_e ) )
57 aout_VolumeMute( p_instance->p_libvlc_int, NULL );
61 /*****************************************************************************
62 * libvlc_audio_get_volume : Get the current volume (range 0-200 %)
63 *****************************************************************************/
64 int libvlc_audio_get_volume( libvlc_instance_t *p_instance,
65 libvlc_exception_t *p_e )
67 audio_volume_t i_volume;
69 aout_VolumeGet( p_instance->p_libvlc_int, &i_volume );
71 return (i_volume*200+AOUT_VOLUME_MAX/2)/AOUT_VOLUME_MAX;
75 /*****************************************************************************
76 * libvlc_audio_set_volume : Set the current volume
77 *****************************************************************************/
78 void libvlc_audio_set_volume( libvlc_instance_t *p_instance, int i_volume,
79 libvlc_exception_t *p_e )
81 if( i_volume >= 0 && i_volume <= 200 )
83 i_volume = (i_volume * AOUT_VOLUME_MAX + 100) / 200;
85 aout_VolumeSet( p_instance->p_libvlc_int, i_volume );
89 libvlc_exception_raise( p_e, "Volume out of range" );