1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2007-2008 the VideoLAN team
7 * Authors: Antoine Cellerier <dionoea at videolan tod org>
8 * Pierre d'Herbemont <pdherbemont # videolan.org>
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 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
36 #include <vlc_common.h>
37 #include <vlc_plugin.h>
39 #include <vlc_charset.h>
42 #include <lua.h> /* Low level lua C API */
43 #include <lauxlib.h> /* Higher level C API */
44 #include <lualib.h> /* Lua libs */
50 /*****************************************************************************
52 *****************************************************************************/
53 static int vlclua_volume_set( lua_State *L )
55 playlist_t *p_this = vlclua_get_playlist_internal( L );
56 int i_volume = luaL_checkint( L, 1 );
57 /* Do we need to check that i_volume is in the AOUT_VOLUME_MIN->MAX range?*/
58 int i_ret = aout_VolumeSet( p_this, i_volume );
59 vlclua_release_playlist_internal( p_this );
60 return vlclua_push_ret( L, i_ret );
63 static int vlclua_volume_get( lua_State *L )
65 playlist_t *p_this = vlclua_get_playlist_internal( L );
66 audio_volume_t i_volume;
67 if( aout_VolumeGet( p_this, &i_volume ) == VLC_SUCCESS )
68 lua_pushnumber( L, i_volume );
71 vlclua_release_playlist_internal( p_this );
75 static int vlclua_volume_up( lua_State *L )
77 audio_volume_t i_volume;
78 playlist_t *p_this = vlclua_get_playlist_internal( L );
79 aout_VolumeUp( p_this, luaL_optint( L, 1, 1 ), &i_volume );
80 lua_pushnumber( L, i_volume );
81 vlclua_release_playlist_internal( p_this );
85 static int vlclua_volume_down( lua_State *L )
87 audio_volume_t i_volume;
88 playlist_t *p_this = vlclua_get_playlist_internal( L );
89 aout_VolumeDown( p_this, luaL_optint( L, 1, 1 ), &i_volume );
90 lua_pushnumber( L, i_volume );
91 vlclua_release_playlist_internal( p_this );
95 /*****************************************************************************
97 *****************************************************************************/
98 static const luaL_Reg vlclua_volume_reg[] = {
99 { "get", vlclua_volume_get },
100 { "set", vlclua_volume_set },
101 { "up", vlclua_volume_up },
102 { "down", vlclua_volume_down },
106 void luaopen_volume( lua_State *L )
109 luaL_register( L, NULL, vlclua_volume_reg );
110 lua_setfield( L, -2, "volume" );