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/*****************************************************************************
* volume.c
*****************************************************************************
* Copyright (C) 2007-2008 the VideoLAN team
* $Id: afa15dceb472a39b90163673bc81741784592179 $
*
* Authors: Antoine Cellerier <dionoea at videolan tod org>
* Pierre d'Herbemont <pdherbemont # videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_meta.h>
#include <vlc_aout.h>
#include <lua.h> /* Low level lua C API */
#include <lauxlib.h> /* Higher level C API */
#include <lualib.h> /* Lua libs */
#include "../vlc.h"
#include "../libs.h"
#include "playlist.h"
/*****************************************************************************
* Volume related
*****************************************************************************/
static int vlclua_volume_set( lua_State *L )
{
playlist_t *p_this = vlclua_get_playlist_internal( L );
int i_volume = __MAX(__MIN(luaL_checkint( L, 1 ), AOUT_VOLUME_MAX),
AOUT_VOLUME_MIN);
int i_ret = aout_VolumeSet( p_this, i_volume );
return vlclua_push_ret( L, i_ret );
}
static int vlclua_volume_get( lua_State *L )
{
playlist_t *p_this = vlclua_get_playlist_internal( L );
audio_volume_t i_volume;
if( aout_VolumeGet( p_this, &i_volume ) == VLC_SUCCESS )
lua_pushnumber( L, i_volume );
else
lua_pushnil( L );
return 1;
}
static int vlclua_volume_up( lua_State *L )
{
audio_volume_t i_volume;
playlist_t *p_this = vlclua_get_playlist_internal( L );
aout_VolumeUp( p_this, luaL_optint( L, 1, 1 ), &i_volume );
lua_pushnumber( L, i_volume );
return 1;
}
static int vlclua_volume_down( lua_State *L )
{
audio_volume_t i_volume;
playlist_t *p_this = vlclua_get_playlist_internal( L );
aout_VolumeDown( p_this, luaL_optint( L, 1, 1 ), &i_volume );
lua_pushnumber( L, i_volume );
return 1;
}
/*****************************************************************************
*
*****************************************************************************/
static const luaL_Reg vlclua_volume_reg[] = {
{ "get", vlclua_volume_get },
{ "set", vlclua_volume_set },
{ "up", vlclua_volume_up },
{ "down", vlclua_volume_down },
{ NULL, NULL }
};
void luaopen_volume( lua_State *L )
{
lua_newtable( L );
luaL_register( L, NULL, vlclua_volume_reg );
lua_setfield( L, -2, "volume" );
}
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