include/vlc_aout_intf.h

   1 /*****************************************************************************
   2  * vlc_aout_intf.h : audio output control
   3  *****************************************************************************
   4  * Copyright (C) 2002-2011 the VideoLAN team
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  19  *****************************************************************************/
  20
  21 #ifndef VLC_AOUT_INTF_H
  22 #define VLC_AOUT_INTF_H 1
  23
  24 /**
  25  * \file
  26  * This file defines functions, structures and macros for audio output object
  27  */
  28
  29 #define AOUT_VOLUME_DEFAULT             256
  30 #define AOUT_VOLUME_MAX                 512
  31
  32 VLC_API audio_volume_t aout_VolumeGet( vlc_object_t * );
  33 #define aout_VolumeGet(a) aout_VolumeGet(VLC_OBJECT(a))
  34 VLC_API int aout_VolumeSet( vlc_object_t *, audio_volume_t );
  35 #define aout_VolumeSet(a, b) aout_VolumeSet(VLC_OBJECT(a), b)
  36 VLC_API int aout_VolumeUp( vlc_object_t *, int, audio_volume_t * );
  37 #define aout_VolumeUp(a, b, c) aout_VolumeUp(VLC_OBJECT(a), b, c)
  38 #define aout_VolumeDown(a, b, c) aout_VolumeUp(a, -(b), c)
  39 VLC_API int aout_ToggleMute( vlc_object_t *, audio_volume_t * );
  40 #define aout_ToggleMute(a, b) aout_ToggleMute(VLC_OBJECT(a), b)
  41 VLC_API int aout_SetMute( vlc_object_t *, audio_volume_t *, bool );
  42 VLC_API bool aout_IsMuted( vlc_object_t * );
  43
  44 VLC_API void aout_EnableFilter( vlc_object_t *, const char *, bool );
  45 #define aout_EnableFilter( o, n, b ) \
  46         aout_EnableFilter( VLC_OBJECT(o), n, b )
  47
  48 #endif /* _VLC_AOUT_H */