misc.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:7k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * misc.c
- *****************************************************************************
- * Copyright (C) 2007-2008 the VideoLAN team
- * $Id: 3a390af031efeb20b3345343b89029ca03d5525d $
- *
- * 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_charset.h>
- #include <vlc_aout.h>
- #include <vlc_interface.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"
- /*****************************************************************************
- * Internal lua<->vlc utils
- *****************************************************************************/
- vlc_object_t * vlclua_get_this( lua_State *L )
- {
- vlc_object_t * p_this;
- lua_getglobal( L, "vlc" );
- lua_getfield( L, -1, "private" );
- p_this = (vlc_object_t*)lua_topointer( L, lua_gettop( L ) );
- lua_pop( L, 2 );
- return p_this;
- }
- /*****************************************************************************
- * VLC error code translation
- *****************************************************************************/
- int vlclua_push_ret( lua_State *L, int i_error )
- {
- lua_pushnumber( L, i_error );
- lua_pushstring( L, vlc_error( i_error ) );
- return 2;
- }
- /*****************************************************************************
- * Get the VLC version string
- *****************************************************************************/
- static int vlclua_version( lua_State *L )
- {
- lua_pushstring( L, VLC_Version() );
- return 1;
- }
- /*****************************************************************************
- * Get the VLC copyright
- *****************************************************************************/
- static int vlclua_copyright( lua_State *L )
- {
- lua_pushstring( L, COPYRIGHT_MESSAGE );
- return 1;
- }
- /*****************************************************************************
- * Get the VLC license msg/disclaimer
- *****************************************************************************/
- static int vlclua_license( lua_State *L )
- {
- lua_pushstring( L, LICENSE_MSG );
- return 1;
- }
- /*****************************************************************************
- * Quit VLC
- *****************************************************************************/
- static int vlclua_quit( lua_State *L )
- {
- vlc_object_t *p_this = vlclua_get_this( L );
- /* The rc.c code also stops the playlist ... not sure if this is needed
- * though. */
- libvlc_Quit( p_this->p_libvlc );
- return 0;
- }
- /*****************************************************************************
- * Global properties getters
- *****************************************************************************/
- static int vlclua_datadir( lua_State *L )
- {
- lua_pushstring( L, config_GetDataDir() );
- return 1;
- }
- static int vlclua_userdatadir( lua_State *L )
- {
- char *data = config_GetUserDataDir();
- lua_pushstring( L, data );
- free( data );
- return 1;
- }
- static int vlclua_homedir( lua_State *L )
- {
- lua_pushstring( L, config_GetHomeDir() );
- return 1;
- }
- static int vlclua_configdir( lua_State *L )
- {
- char *dir = config_GetUserConfDir();
- lua_pushstring( L, dir );
- free( dir );
- return 1;
- }
- static int vlclua_cachedir( lua_State *L )
- {
- char *dir = config_GetCacheDir();
- lua_pushstring( L, dir );
- free( dir );
- return 1;
- }
- static int vlclua_datadir_list( lua_State *L )
- {
- const char *psz_dirname = luaL_checkstring( L, 1 );
- char *ppsz_dir_list[] = { NULL, NULL, NULL, NULL };
- char **ppsz_dir = ppsz_dir_list;
- int i = 1;
- if( vlclua_dir_list( psz_dirname, ppsz_dir_list ) != VLC_SUCCESS )
- return 0;
- lua_newtable( L );
- for( ; *ppsz_dir; ppsz_dir++ )
- {
- lua_pushstring( L, *ppsz_dir );
- lua_rawseti( L, -2, i );
- i ++;
- }
- vlclua_dir_list_free( ppsz_dir_list );
- return 1;
- }
- /*****************************************************************************
- *
- *****************************************************************************/
- static int vlclua_lock_and_wait( lua_State *L )
- {
- intf_thread_t *p_intf = (intf_thread_t *)vlclua_get_this( L );
- intf_sys_t *p_sys = p_intf->p_sys;
- vlc_mutex_lock( &p_sys->lock );
- while( !p_sys->exiting )
- vlc_cond_wait( &p_sys->wait, &p_sys->lock );
- vlc_mutex_unlock( &p_sys->lock );
- lua_pushboolean( L, 1 );
- return 1;
- }
- static int vlclua_mdate( lua_State *L )
- {
- lua_pushnumber( L, mdate() );
- return 1;
- }
- static int vlclua_mwait( lua_State *L )
- {
- double f = luaL_checknumber( L, 1 );
- mwait( (int64_t)f );
- return 0;
- }
- static int vlclua_intf_should_die( lua_State *L )
- {
- intf_thread_t *p_intf = (intf_thread_t*)vlclua_get_this( L );
- lua_pushboolean( L, p_intf->p_sys->exiting );
- return 1;
- }
- /*****************************************************************************
- *
- *****************************************************************************/
- static const luaL_Reg vlclua_misc_reg[] = {
- { "version", vlclua_version },
- { "copyright", vlclua_copyright },
- { "license", vlclua_license },
- { "datadir", vlclua_datadir },
- { "userdatadir", vlclua_userdatadir },
- { "homedir", vlclua_homedir },
- { "configdir", vlclua_configdir },
- { "cachedir", vlclua_cachedir },
- { "datadir_list", vlclua_datadir_list },
- { "mdate", vlclua_mdate },
- { "mwait", vlclua_mwait },
- { "lock_and_wait", vlclua_lock_and_wait },
- { "should_die", vlclua_intf_should_die },
- { "quit", vlclua_quit },
- { NULL, NULL }
- };
- void luaopen_misc( lua_State *L )
- {
- lua_newtable( L );
- luaL_register( L, NULL, vlclua_misc_reg );
- lua_setfield( L, -2, "misc" );
- }