input.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:5k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * input.c
- *****************************************************************************
- * Copyright (C) 2007-2008 the VideoLAN team
- * $Id: fee0146eebba3e53da22b9bbb502072978aca442 $
- *
- * Authors: Antoine Cellerier <dionoea at videolan tod 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_meta.h>
- #include <vlc_charset.h>
- #include <vlc_playlist.h>
- #include <lua.h> /* Low level lua C API */
- #include <lauxlib.h> /* Higher level C API */
- #include "input.h"
- #include "playlist.h"
- #include "../vlc.h"
- #include "../libs.h"
- input_thread_t * vlclua_get_input_internal( lua_State *L )
- {
- playlist_t *p_playlist = vlclua_get_playlist_internal( L );
- input_thread_t *p_input = playlist_CurrentInput( p_playlist );
- vlclua_release_playlist_internal( p_playlist );
- return p_input;
- }
- static int vlclua_input_info( lua_State *L )
- {
- input_thread_t * p_input = vlclua_get_input_internal( L );
- int i_cat;
- int i;
- if( !p_input ) return vlclua_error( L );
- //vlc_mutex_lock( &input_GetItem(p_input)->lock );
- i_cat = input_GetItem(p_input)->i_categories;
- lua_createtable( L, 0, i_cat );
- for( i = 0; i < i_cat; i++ )
- {
- info_category_t *p_category = input_GetItem(p_input)->pp_categories[i];
- int i_infos = p_category->i_infos;
- int j;
- lua_pushstring( L, p_category->psz_name );
- lua_createtable( L, 0, i_infos );
- for( j = 0; j < i_infos; j++ )
- {
- info_t *p_info = p_category->pp_infos[j];
- lua_pushstring( L, p_info->psz_name );
- lua_pushstring( L, p_info->psz_value );
- lua_settable( L, -3 );
- }
- lua_settable( L, -3 );
- }
- vlc_object_release( p_input );
- return 1;
- }
- static int vlclua_is_playing( lua_State *L )
- {
- input_thread_t * p_input = vlclua_get_input_internal( L );
- lua_pushboolean( L, !!p_input );
- if( p_input )
- vlc_object_release( p_input );
- return 1;
- }
- static int vlclua_get_title( lua_State *L )
- {
- input_thread_t *p_input = vlclua_get_input_internal( L );
- if( !p_input )
- lua_pushnil( L );
- else
- {
- lua_pushstring( L, input_GetItem(p_input)->psz_name );
- vlc_object_release( p_input );
- }
- return 1;
- }
- static int vlclua_input_stats( lua_State *L )
- {
- input_thread_t *p_input = vlclua_get_input_internal( L );
- input_item_t *p_item = p_input && p_input->p ? input_GetItem( p_input ) : NULL;
- lua_newtable( L );
- if( p_item )
- {
- #define STATS_INT( n ) lua_pushinteger( L, p_item->p_stats->i_ ## n );
- lua_setfield( L, -2, #n );
- #define STATS_FLOAT( n ) lua_pushnumber( L, p_item->p_stats->f_ ## n );
- lua_setfield( L, -2, #n );
- STATS_INT( read_bytes )
- STATS_FLOAT( input_bitrate )
- STATS_INT( demux_read_bytes )
- STATS_FLOAT( demux_bitrate )
- STATS_INT( decoded_video )
- STATS_INT( displayed_pictures )
- STATS_INT( lost_pictures )
- STATS_INT( decoded_audio )
- STATS_INT( played_abuffers )
- STATS_INT( lost_abuffers )
- STATS_INT( sent_packets )
- STATS_INT( sent_bytes )
- STATS_FLOAT( send_bitrate )
- #undef STATS_INT
- #undef STATS_FLOAT
- }
- if( p_input )
- vlc_object_release( p_input );
- return 1;
- }
- /*****************************************************************************
- *
- *****************************************************************************/
- static const luaL_Reg vlclua_input_reg[] = {
- { "info", vlclua_input_info },
- { "is_playing", vlclua_is_playing },
- { "get_title", vlclua_get_title },
- { "stats", vlclua_input_stats },
- { NULL, NULL }
- };
- void luaopen_input( lua_State *L )
- {
- lua_newtable( L );
- luaL_register( L, NULL, vlclua_input_reg );
- lua_setfield( L, -2, "input" );
- }