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>
27 #include <audio_output.h> /* for audio_volume_t, AOUT_VOLUME_MAX */
30 /*****************************************************************************
31 * libvlc_audio_get_mute : Get the volume state, true if muted
32 *****************************************************************************/
33 void libvlc_audio_toggle_mute( libvlc_instance_t *p_instance,
34 libvlc_exception_t *p_exception )
36 aout_VolumeMute( p_instance->p_vlc, NULL );
39 vlc_bool_t libvlc_audio_get_mute( libvlc_instance_t *p_instance,
40 libvlc_exception_t *p_exception )
43 * If the volume level is 0, then the channel is muted
45 audio_volume_t i_volume;
47 i_volume = libvlc_audio_get_volume(p_instance, p_exception);
54 void libvlc_audio_set_mute( libvlc_instance_t *p_instance, vlc_bool_t status,
55 libvlc_exception_t *p_exception )
60 * Check if the volume is already muted
62 if (! libvlc_audio_get_volume( p_instance, p_exception ) )
67 aout_VolumeMute( p_instance->p_vlc, NULL );
74 * the aout_VolumeMute is a toggle function, so this is enough.
76 aout_VolumeMute( p_instance->p_vlc, NULL );
82 /*****************************************************************************
83 * libvlc_audio_get_volume : Get the current volume (range 0-200 %)
84 *****************************************************************************/
85 int libvlc_audio_get_volume( libvlc_instance_t *p_instance,
86 libvlc_exception_t *p_exception )
88 audio_volume_t i_volume;
90 aout_VolumeGet( p_instance->p_vlc, &i_volume );
92 return i_volume*200/AOUT_VOLUME_MAX;
96 /*****************************************************************************
97 * libvlc_audio_set_volume : Set the current volume
98 *****************************************************************************/
99 void libvlc_audio_set_volume( libvlc_instance_t *p_instance, int i_volume,
100 libvlc_exception_t *p_exception )
102 if( i_volume >= 0 && i_volume <= 200 )
104 i_volume = i_volume * AOUT_VOLUME_MAX / 200;
105 aout_VolumeSet( p_instance->p_vlc, i_volume );
109 libvlc_exception_raise( p_exception, "Volume out of range" );