1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2007-2008 the VideoLAN team
7 * Authors: Antoine Cellerier <dionoea at videolan tod org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
35 #include <vlc_common.h>
38 #include <vlc_playlist.h>
45 #include "../extension.h"
47 static input_item_t* vlclua_input_item_get_internal( lua_State *L );
49 input_thread_t * vlclua_get_input_internal( lua_State *L )
51 extension_t *p_extension = vlclua_extension_get( L );
54 input_thread_t *p_input = p_extension->p_sys->p_input;
57 vlc_object_hold(p_input);
62 playlist_t *p_playlist = vlclua_get_playlist_internal( L );
63 if( p_playlist != NULL )
65 input_thread_t *p_input = playlist_CurrentInput( p_playlist );
73 static int vlclua_input_item_info( lua_State *L )
75 input_item_t *p_item = vlclua_input_item_get_internal( L );
78 i_cat = p_item->i_categories;
79 lua_createtable( L, 0, i_cat );
80 for( i = 0; i < i_cat; i++ )
82 info_category_t *p_category = p_item->pp_categories[i];
83 int i_infos = p_category->i_infos;
85 lua_pushstring( L, p_category->psz_name );
86 lua_createtable( L, 0, i_infos );
87 for( j = 0; j < i_infos; j++ )
89 info_t *p_info = p_category->pp_infos[j];
90 lua_pushstring( L, p_info->psz_name );
91 lua_pushstring( L, p_info->psz_value );
92 lua_settable( L, -3 );
94 lua_settable( L, -3 );
99 static int vlclua_input_is_playing( lua_State *L )
101 input_thread_t * p_input = vlclua_get_input_internal( L );
102 lua_pushboolean( L, !!p_input );
104 vlc_object_release( p_input );
108 static int vlclua_input_metas_internal( lua_State *L, input_item_t *p_item )
118 const char *psz_meta;
120 psz_name = input_item_GetName( p_item );
121 lua_pushstring( L, psz_name );
122 lua_setfield( L, -2, "filename" );
125 #define PUSH_META( n, m ) \
126 psz_meta = vlc_meta_Get( p_item->p_meta, vlc_meta_ ## n ); \
127 lua_pushstring( L, psz_meta ); \
128 lua_setfield( L, -2, m )
130 vlc_mutex_lock(&p_item->lock);
134 PUSH_META( Title, "title" );
135 PUSH_META( Artist, "artist" );
136 PUSH_META( Genre, "genre" );
137 PUSH_META( Copyright, "copyright" );
138 PUSH_META( Album, "album" );
139 PUSH_META( TrackNumber, "track_number" );
140 PUSH_META( Description, "description" );
141 PUSH_META( Rating, "rating" );
142 PUSH_META( Date, "date" );
143 PUSH_META( Setting, "setting" );
144 PUSH_META( URL, "url" );
145 PUSH_META( Language, "language" );
146 PUSH_META( NowPlaying, "now_playing" );
147 PUSH_META( Publisher, "publisher" );
148 PUSH_META( EncodedBy, "encoded_by" );
149 PUSH_META( ArtworkURL, "artwork_url" );
150 PUSH_META( TrackID, "track_id" );
151 PUSH_META( TrackTotal, "track_total" );
152 PUSH_META( Director, "director" );
153 PUSH_META( Season, "season" );
154 PUSH_META( Episode, "episode" );
155 PUSH_META( ShowName, "show_name" );
156 PUSH_META( Actors, "actors" );
160 char **names = vlc_meta_CopyExtraNames(p_item->p_meta);
161 for(int i = 0; names[i]; i++)
163 const char *meta = vlc_meta_GetExtra(p_item->p_meta, names[i]);
164 lua_pushstring( L, meta );
165 lua_setfield( L, -2, names[i] );
170 vlc_mutex_unlock(&p_item->lock);
175 static int vlclua_input_item_stats( lua_State *L )
177 input_item_t *p_item = vlclua_input_item_get_internal( L );
181 vlc_mutex_lock( &p_item->p_stats->lock );
182 #define STATS_INT( n ) lua_pushinteger( L, p_item->p_stats->i_ ## n ); \
183 lua_setfield( L, -2, #n );
184 #define STATS_FLOAT( n ) lua_pushnumber( L, p_item->p_stats->f_ ## n ); \
185 lua_setfield( L, -2, #n );
186 STATS_INT( read_packets )
187 STATS_INT( read_bytes )
188 STATS_FLOAT( input_bitrate )
189 STATS_FLOAT( average_input_bitrate )
190 STATS_INT( demux_read_packets )
191 STATS_INT( demux_read_bytes )
192 STATS_FLOAT( demux_bitrate )
193 STATS_FLOAT( average_demux_bitrate )
194 STATS_INT( demux_corrupted )
195 STATS_INT( demux_discontinuity )
196 STATS_INT( decoded_audio )
197 STATS_INT( decoded_video )
198 STATS_INT( displayed_pictures )
199 STATS_INT( lost_pictures )
200 STATS_INT( sent_packets )
201 STATS_INT( sent_bytes )
202 STATS_FLOAT( send_bitrate )
203 STATS_INT( played_abuffers )
204 STATS_INT( lost_abuffers )
207 vlc_mutex_unlock( &p_item->p_stats->lock );
212 static int vlclua_input_add_subtitle( lua_State *L )
214 input_thread_t *p_input = vlclua_get_input_internal( L );
216 return luaL_error( L, "can't add subtitle: no current input" );
217 if( !lua_isstring( L, 1 ) )
218 return luaL_error( L, "vlc.input.add_subtitle() usage: (path)" );
219 const char *psz_path = luaL_checkstring( L, 1 );
220 input_AddSubtitle( p_input, psz_path, false );
221 vlc_object_release( p_input );
225 /*****************************************************************************
227 *****************************************************************************/
229 static input_item_t* vlclua_input_item_get_internal( lua_State *L )
231 input_item_t **pp_item = luaL_checkudata( L, 1, "input_item" );
232 input_item_t *p_item = *pp_item;
235 luaL_error( L, "script went completely foobar" );
240 /* Garbage collection of an input_item_t */
241 static int vlclua_input_item_delete( lua_State *L )
243 input_item_t **pp_item = luaL_checkudata( L, 1, "input_item" );
244 input_item_t *p_item = *pp_item;
247 return luaL_error( L, "script went completely foobar" );
250 vlc_gc_decref( p_item );
255 static int vlclua_input_item_get( lua_State *L, input_item_t *p_item );
257 static int vlclua_input_item_get_current( lua_State *L )
259 input_thread_t *p_input = vlclua_get_input_internal( L );
260 input_item_t *p_item = p_input ? input_GetItem( p_input ) : NULL;
264 if( p_input ) vlc_object_release( p_input );
268 vlclua_input_item_get( L, p_item );
270 if( p_input ) vlc_object_release( p_input );
274 static int vlclua_input_item_metas( lua_State *L )
276 vlclua_input_metas_internal( L, vlclua_input_item_get_internal( L ) );
280 static int vlclua_input_item_is_preparsed( lua_State *L )
282 lua_pushboolean( L, input_item_IsPreparsed( vlclua_input_item_get_internal( L ) ) );
286 static int vlclua_input_item_uri( lua_State *L )
288 lua_pushstring( L, input_item_GetURI( vlclua_input_item_get_internal( L ) ) );
292 static int vlclua_input_item_name( lua_State *L )
294 lua_pushstring( L, input_item_GetName( vlclua_input_item_get_internal( L ) ) );
298 static int vlclua_input_item_duration( lua_State *L )
300 mtime_t duration = input_item_GetDuration( vlclua_input_item_get_internal( L ) );
301 lua_pushnumber( L, ((double)duration)/1000000. );
305 static int vlclua_input_item_set_meta( lua_State *L )
307 input_item_t *p_item = vlclua_input_item_get_internal( L );
308 lua_settop( L, 1 + 2 ); // two arguments
309 const char *psz_name = luaL_checkstring( L, 2 ),
310 *psz_value = luaL_checkstring( L, 3 );
312 #define META_TYPE( n, s ) { s, vlc_meta_ ## n },
315 const char psz_name[15];
317 } pp_meta_types[] = {
318 META_TYPE( Title, "title" )
319 META_TYPE( Artist, "artist" )
320 META_TYPE( Genre, "genre" )
321 META_TYPE( Copyright, "copyright" )
322 META_TYPE( Album, "album" )
323 META_TYPE( TrackNumber, "track_number" )
324 META_TYPE( Description, "description" )
325 META_TYPE( Rating, "rating" )
326 META_TYPE( Date, "date" )
327 META_TYPE( Setting, "setting" )
328 META_TYPE( URL, "url" )
329 META_TYPE( Language, "language" )
330 META_TYPE( NowPlaying, "now_playing" )
331 META_TYPE( Publisher, "publisher" )
332 META_TYPE( EncodedBy, "encoded_by" )
333 META_TYPE( ArtworkURL, "artwork_url" )
334 META_TYPE( TrackID, "track_id" )
335 META_TYPE( TrackTotal, "track_total" )
336 META_TYPE( Director, "director" )
337 META_TYPE( Season, "season" )
338 META_TYPE( Episode, "episode" )
339 META_TYPE( ShowName, "show_name" )
340 META_TYPE( Actors, "actors" )
344 static_assert( sizeof(pp_meta_types)
345 == VLC_META_TYPE_COUNT * sizeof(pp_meta_types[0]),
346 "Inconsistent meta data types" );
347 vlc_meta_type_t type = vlc_meta_Title;
348 for( unsigned i = 0; i < VLC_META_TYPE_COUNT; i++ )
350 if( !strcasecmp( pp_meta_types[i].psz_name, psz_name ) )
352 type = pp_meta_types[i].type;
353 input_item_SetMeta( p_item, type, psz_value );
358 vlc_meta_AddExtra( p_item->p_meta, psz_name, psz_value );
362 /*****************************************************************************
364 *****************************************************************************/
365 static const luaL_Reg vlclua_input_reg[] = {
366 { "is_playing", vlclua_input_is_playing },
367 { "item", vlclua_input_item_get_current },
368 { "add_subtitle", vlclua_input_add_subtitle },
372 void luaopen_input( lua_State *L )
375 luaL_register( L, NULL, vlclua_input_reg );
376 lua_setfield( L, -2, "input" );
379 static const luaL_Reg vlclua_input_item_reg[] = {
380 { "is_preparsed", vlclua_input_item_is_preparsed },
381 { "metas", vlclua_input_item_metas },
382 { "set_meta", vlclua_input_item_set_meta },
383 { "uri", vlclua_input_item_uri },
384 { "name", vlclua_input_item_name },
385 { "duration", vlclua_input_item_duration },
386 { "stats", vlclua_input_item_stats },
387 { "info", vlclua_input_item_info },
391 static int vlclua_input_item_get( lua_State *L, input_item_t *p_item )
393 vlc_gc_incref( p_item );
394 input_item_t **pp = lua_newuserdata( L, sizeof( input_item_t* ) );
397 if( luaL_newmetatable( L, "input_item" ) )
400 luaL_register( L, NULL, vlclua_input_item_reg );
401 lua_setfield( L, -2, "__index" );
402 lua_pushcfunction( L, vlclua_input_item_delete );
403 lua_setfield( L, -2, "__gc" );
406 lua_setmetatable(L, -2);
412 void luaopen_input_item( lua_State *L, input_item_t *item )
415 vlclua_input_item_get( L, item );
416 lua_setfield( L, -2, "item" );