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106 lines
3.4 KiB
106 lines
3.4 KiB
/*****************************************************************************
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* volume.c
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*****************************************************************************
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* Copyright (C) 2007-2008 the VideoLAN team
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* $Id$
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*
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* Authors: Antoine Cellerier <dionoea at videolan tod org>
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* Pierre d'Herbemont <pdherbemont # videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#ifndef _GNU_SOURCE
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# define _GNU_SOURCE
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#endif
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_meta.h>
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#include <vlc_aout.h>
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#include <lua.h> /* Low level lua C API */
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#include <lauxlib.h> /* Higher level C API */
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#include <lualib.h> /* Lua libs */
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#include "../vlc.h"
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#include "../libs.h"
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#include "playlist.h"
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/*****************************************************************************
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* Volume related
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*****************************************************************************/
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static int vlclua_volume_set( lua_State *L )
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{
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playlist_t *p_this = vlclua_get_playlist_internal( L );
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int i_volume = __MAX(__MIN(luaL_checkint( L, 1 ), AOUT_VOLUME_MAX),
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AOUT_VOLUME_MIN);
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int i_ret = aout_VolumeSet( p_this, i_volume );
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return vlclua_push_ret( L, i_ret );
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}
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static int vlclua_volume_get( lua_State *L )
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{
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playlist_t *p_this = vlclua_get_playlist_internal( L );
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audio_volume_t i_volume;
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if( aout_VolumeGet( p_this, &i_volume ) == VLC_SUCCESS )
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lua_pushnumber( L, i_volume );
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else
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lua_pushnil( L );
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return 1;
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}
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static int vlclua_volume_up( lua_State *L )
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{
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audio_volume_t i_volume;
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playlist_t *p_this = vlclua_get_playlist_internal( L );
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aout_VolumeUp( p_this, luaL_optint( L, 1, 1 ), &i_volume );
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lua_pushnumber( L, i_volume );
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return 1;
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}
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static int vlclua_volume_down( lua_State *L )
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{
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audio_volume_t i_volume;
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playlist_t *p_this = vlclua_get_playlist_internal( L );
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aout_VolumeDown( p_this, luaL_optint( L, 1, 1 ), &i_volume );
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lua_pushnumber( L, i_volume );
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return 1;
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}
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/*****************************************************************************
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*
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*****************************************************************************/
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static const luaL_Reg vlclua_volume_reg[] = {
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{ "get", vlclua_volume_get },
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{ "set", vlclua_volume_set },
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{ "up", vlclua_volume_up },
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{ "down", vlclua_volume_down },
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{ NULL, NULL }
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};
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void luaopen_volume( lua_State *L )
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{
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lua_newtable( L );
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luaL_register( L, NULL, vlclua_volume_reg );
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lua_setfield( L, -2, "volume" );
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}
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