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>
41 #include <lua.h> /* Low level lua C API */
42 #include <lauxlib.h> /* Higher level C API */
43 #include <lualib.h> /* Lua libs */
49 /*****************************************************************************
51 *****************************************************************************/
52 static int vlclua_volume_set( lua_State *L )
54 playlist_t *p_this = vlclua_get_playlist_internal( L );
55 int i_volume = __MAX(__MIN(luaL_checkint( L, 1 ), AOUT_VOLUME_MAX),
57 int i_ret = aout_VolumeSet( p_this, i_volume );
58 return vlclua_push_ret( L, i_ret );
61 static int vlclua_volume_get( lua_State *L )
63 playlist_t *p_this = vlclua_get_playlist_internal( L );
64 audio_volume_t i_volume;
65 if( aout_VolumeGet( p_this, &i_volume ) == VLC_SUCCESS )
66 lua_pushnumber( L, i_volume );
72 static int vlclua_volume_up( lua_State *L )
74 audio_volume_t i_volume;
75 playlist_t *p_this = vlclua_get_playlist_internal( L );
76 aout_VolumeUp( p_this, luaL_optint( L, 1, 1 ), &i_volume );
77 lua_pushnumber( L, i_volume );
81 static int vlclua_volume_down( lua_State *L )
83 audio_volume_t i_volume;
84 playlist_t *p_this = vlclua_get_playlist_internal( L );
85 aout_VolumeDown( p_this, luaL_optint( L, 1, 1 ), &i_volume );
86 lua_pushnumber( L, i_volume );
90 /*****************************************************************************
92 *****************************************************************************/
93 static const luaL_Reg vlclua_volume_reg[] = {
94 { "get", vlclua_volume_get },
95 { "set", vlclua_volume_set },
96 { "up", vlclua_volume_up },
97 { "down", vlclua_volume_down },
101 void luaopen_volume( lua_State *L )
104 luaL_register( L, NULL, vlclua_volume_reg );
105 lua_setfield( L, -2, "volume" );