1 /*****************************************************************************
2 * item.c: input_item management
3 *****************************************************************************
4 * Copyright (C) 1998-2004 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.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 *****************************************************************************/
29 #include <vlc_common.h>
30 #include "vlc_playlist.h"
31 #include "vlc_interface.h"
35 static void GuessType( input_item_t *p_item );
37 /** Stuff moved out of vlc_input.h -- FIXME: should probably not be inline
39 static inline void input_item_Init( vlc_object_t *p_o, input_item_t *p_i )
41 memset( p_i, 0, sizeof(input_item_t) );
45 TAB_INIT( p_i->i_es, p_i->es );
46 TAB_INIT( p_i->i_options, p_i->ppsz_options );
47 p_i->optflagv = NULL, p_i->optflagc = 0;
48 TAB_INIT( p_i->i_categories, p_i->pp_categories );
50 p_i->i_type = ITEM_TYPE_UNKNOWN;
51 p_i->b_fixed_name = true;
56 vlc_mutex_init( &p_i->lock );
57 vlc_event_manager_t * p_em = &p_i->event_manager;
58 vlc_event_manager_init( p_em, p_i, p_o );
59 vlc_event_manager_register_event_type( p_em, vlc_InputItemMetaChanged );
60 vlc_event_manager_register_event_type( p_em, vlc_InputItemSubItemAdded );
61 vlc_event_manager_register_event_type( p_em, vlc_InputItemDurationChanged );
62 vlc_event_manager_register_event_type( p_em, vlc_InputItemPreparsedChanged );
63 vlc_event_manager_register_event_type( p_em, vlc_InputItemNameChanged );
64 vlc_event_manager_register_event_type( p_em, vlc_InputItemInfoChanged );
65 vlc_event_manager_register_event_type( p_em, vlc_InputItemErrorWhenReadingChanged );
68 static inline void input_item_Clean( input_item_t *p_i )
72 vlc_event_manager_fini( &p_i->event_manager );
74 free( p_i->psz_name );
78 vlc_mutex_destroy( &p_i->p_stats->lock );
83 vlc_meta_Delete( p_i->p_meta );
85 for( i = 0; i < p_i->i_options; i++ )
86 free( p_i->ppsz_options[i] );
87 TAB_CLEAN( p_i->i_options, p_i->ppsz_options );
90 for( i = 0; i < p_i->i_es; i++ )
92 es_format_Clean( p_i->es[i] );
95 TAB_CLEAN( p_i->i_es, p_i->es );
97 for( i = 0; i < p_i->i_categories; i++ )
99 info_category_t *p_category = p_i->pp_categories[i];
102 for( j = 0; j < p_category->i_infos; j++ )
104 struct info_t *p_info = p_category->pp_infos[j];
106 free( p_info->psz_name);
107 free( p_info->psz_value );
110 TAB_CLEAN( p_category->i_infos, p_category->pp_infos );
112 free( p_category->psz_name );
115 TAB_CLEAN( p_i->i_categories, p_i->pp_categories );
117 vlc_mutex_destroy( &p_i->lock );
119 void input_item_SetErrorWhenReading( input_item_t *p_i, bool b_error )
123 vlc_mutex_lock( &p_i->lock );
125 b_changed = p_i->b_error_when_reading != b_error;
126 p_i->b_error_when_reading = b_error;
128 vlc_mutex_unlock( &p_i->lock );
134 event.type = vlc_InputItemErrorWhenReadingChanged;
135 event.u.input_item_error_when_reading_changed.new_value = b_error;
136 vlc_event_send( &p_i->event_manager, &event );
139 void input_item_SetPreparsed( input_item_t *p_i, bool b_preparsed )
141 bool b_send_event = false;
143 vlc_mutex_lock( &p_i->lock );
146 p_i->p_meta = vlc_meta_New();
150 i_new_status = p_i->p_meta->i_status | ITEM_PREPARSED;
152 i_new_status = p_i->p_meta->i_status & ~ITEM_PREPARSED;
153 if( p_i->p_meta->i_status != i_new_status )
155 p_i->p_meta->i_status = i_new_status;
159 vlc_mutex_unlock( &p_i->lock );
164 event.type = vlc_InputItemPreparsedChanged;
165 event.u.input_item_preparsed_changed.new_status = i_new_status;
166 vlc_event_send( &p_i->event_manager, &event );
169 void input_item_SetArtNotFound( input_item_t *p_i, bool b_not_found )
171 vlc_mutex_lock( &p_i->lock );
174 p_i->p_meta = vlc_meta_New();
177 p_i->p_meta->i_status |= ITEM_ART_NOTFOUND;
179 p_i->p_meta->i_status &= ~ITEM_ART_NOTFOUND;
181 vlc_mutex_unlock( &p_i->lock );
183 void input_item_SetArtFetched( input_item_t *p_i, bool b_art_fetched )
185 vlc_mutex_lock( &p_i->lock );
188 p_i->p_meta = vlc_meta_New();
191 p_i->p_meta->i_status |= ITEM_ART_FETCHED;
193 p_i->p_meta->i_status &= ~ITEM_ART_FETCHED;
195 vlc_mutex_unlock( &p_i->lock );
198 void input_item_SetMeta( input_item_t *p_i, vlc_meta_type_t meta_type, const char *psz_val )
202 vlc_mutex_lock( &p_i->lock );
204 p_i->p_meta = vlc_meta_New();
205 vlc_meta_Set( p_i->p_meta, meta_type, psz_val );
206 vlc_mutex_unlock( &p_i->lock );
208 /* Notify interested third parties */
209 event.type = vlc_InputItemMetaChanged;
210 event.u.input_item_meta_changed.meta_type = meta_type;
211 vlc_event_send( &p_i->event_manager, &event );
214 /* FIXME GRRRRRRRRRR args should be in the reverse order to be
215 * consistant with (nearly?) all or copy funcs */
216 void input_item_CopyOptions( input_item_t *p_parent,
217 input_item_t *p_child )
219 vlc_mutex_lock( &p_parent->lock );
221 for( int i = 0 ; i< p_parent->i_options; i++ )
223 if( !strcmp( p_parent->ppsz_options[i], "meta-file" ) )
226 input_item_AddOpt( p_child,
227 p_parent->ppsz_options[i],
228 p_parent->optflagv[i] );
231 vlc_mutex_unlock( &p_parent->lock );
234 /* This won't hold the item, but can tell to interested third parties
235 * Like the playlist, that there is a new sub item. With this design
236 * It is not the input item's responsability to keep all the ref of
237 * the input item children. */
238 void input_item_AddSubItem( input_item_t *p_parent, input_item_t *p_child )
240 vlc_mutex_lock( &p_parent->lock );
242 p_parent->i_type = ITEM_TYPE_PLAYLIST;
244 vlc_mutex_unlock( &p_parent->lock );
246 /* Notify interested third parties */
249 event.type = vlc_InputItemSubItemAdded;
250 event.u.input_item_subitem_added.p_new_child = p_child;
251 vlc_event_send( &p_parent->event_manager, &event );
254 int input_item_AddOption( input_item_t *p_item, const char *psz_option )
256 return input_item_AddOpt( p_item, psz_option, VLC_INPUT_OPTION_TRUSTED );
259 bool input_item_HasErrorWhenReading( input_item_t *p_item )
261 vlc_mutex_lock( &p_item->lock );
263 bool b_error = p_item->b_error_when_reading;
265 vlc_mutex_unlock( &p_item->lock );
270 bool input_item_MetaMatch( input_item_t *p_i,
271 vlc_meta_type_t meta_type, const char *psz )
273 vlc_mutex_lock( &p_i->lock );
277 vlc_mutex_unlock( &p_i->lock );
280 const char *psz_meta = vlc_meta_Get( p_i->p_meta, meta_type );
281 bool b_ret = psz_meta && strcasestr( psz_meta, psz );
283 vlc_mutex_unlock( &p_i->lock );
288 char *input_item_GetMeta( input_item_t *p_i, vlc_meta_type_t meta_type )
290 vlc_mutex_lock( &p_i->lock );
294 vlc_mutex_unlock( &p_i->lock );
299 if( vlc_meta_Get( p_i->p_meta, meta_type ) )
300 psz = strdup( vlc_meta_Get( p_i->p_meta, meta_type ) );
302 vlc_mutex_unlock( &p_i->lock );
306 char *input_item_GetName( input_item_t *p_item )
308 vlc_mutex_lock( &p_item->lock );
310 char *psz_name = p_item->psz_name ? strdup( p_item->psz_name ) : NULL;
312 vlc_mutex_unlock( &p_item->lock );
315 void input_item_SetName( input_item_t *p_item, const char *psz_name )
317 vlc_mutex_lock( &p_item->lock );
319 free( p_item->psz_name );
320 p_item->psz_name = strdup( psz_name );
322 vlc_mutex_unlock( &p_item->lock );
325 char *input_item_GetURI( input_item_t *p_i )
327 vlc_mutex_lock( &p_i->lock );
329 char *psz_s = p_i->psz_uri ? strdup( p_i->psz_uri ) : NULL;
331 vlc_mutex_unlock( &p_i->lock );
334 void input_item_SetURI( input_item_t *p_i, const char *psz_uri )
336 vlc_mutex_lock( &p_i->lock );
338 free( p_i->psz_uri );
339 p_i->psz_uri = strdup( psz_uri );
342 vlc_mutex_unlock( &p_i->lock );
345 mtime_t input_item_GetDuration( input_item_t *p_i )
347 vlc_mutex_lock( &p_i->lock );
349 mtime_t i_duration = p_i->i_duration;
351 vlc_mutex_unlock( &p_i->lock );
355 void input_item_SetDuration( input_item_t *p_i, mtime_t i_duration )
357 bool b_send_event = false;
359 vlc_mutex_lock( &p_i->lock );
360 if( p_i->i_duration != i_duration )
362 p_i->i_duration = i_duration;
365 vlc_mutex_unlock( &p_i->lock );
371 event.type = vlc_InputItemDurationChanged;
372 event.u.input_item_duration_changed.new_duration = i_duration;
373 vlc_event_send( &p_i->event_manager, &event );
378 bool input_item_IsPreparsed( input_item_t *p_item )
380 vlc_mutex_lock( &p_item->lock );
381 bool b_preparsed = p_item->p_meta ? ( p_item->p_meta->i_status & ITEM_PREPARSED ) != 0 : false;
382 vlc_mutex_unlock( &p_item->lock );
387 bool input_item_IsArtFetched( input_item_t *p_item )
389 vlc_mutex_lock( &p_item->lock );
390 bool b_fetched = p_item->p_meta ? ( p_item->p_meta->i_status & ITEM_ART_FETCHED ) != 0 : false;
391 vlc_mutex_unlock( &p_item->lock );
397 * Get a info item from a given category in a given input item.
399 * \param p_i The input item to get info from
400 * \param psz_cat String representing the category for the info
401 * \param psz_name String representing the name of the desired info
402 * \return A pointer to the string with the given info if found, or an
403 * empty string otherwise. The caller should free the returned
406 char *input_item_GetInfo( input_item_t *p_i,
408 const char *psz_name )
410 vlc_mutex_lock( &p_i->lock );
412 for( int i = 0; i< p_i->i_categories; i++ )
414 const info_category_t *p_cat = p_i->pp_categories[i];
416 if( !psz_cat || strcmp( p_cat->psz_name, psz_cat ) )
419 for( int j = 0; j < p_cat->i_infos; j++ )
421 if( !strcmp( p_cat->pp_infos[j]->psz_name, psz_name ) )
423 char *psz_ret = strdup( p_cat->pp_infos[j]->psz_value );
424 vlc_mutex_unlock( &p_i->lock );
429 vlc_mutex_unlock( &p_i->lock );
433 static void input_item_Destroy ( gc_object_t *p_gc )
435 input_item_t *p_item = vlc_priv( p_gc, input_item_t );
437 input_item_Clean( p_item );
441 int input_item_AddOpt( input_item_t *p_input, const char *psz_option,
444 int err = VLC_SUCCESS;
446 if( psz_option == NULL )
449 vlc_mutex_lock( &p_input->lock );
450 if (flags & VLC_INPUT_OPTION_UNIQUE)
452 for (int i = 0 ; i < p_input->i_options; i++)
453 if( !strcmp( p_input->ppsz_options[i], psz_option ) )
457 uint8_t *flagv = realloc (p_input->optflagv, p_input->optflagc + 1);
463 p_input->optflagv = flagv;
464 flagv[p_input->optflagc++] = flags;
466 INSERT_ELEM( p_input->ppsz_options, p_input->i_options,
467 p_input->i_options, strdup( psz_option ) );
469 vlc_mutex_unlock( &p_input->lock );
473 int input_item_AddInfo( input_item_t *p_i,
475 const char *psz_name,
476 const char *psz_format, ... )
480 info_t *p_info = NULL;
481 info_category_t *p_cat = NULL ;
483 vlc_mutex_lock( &p_i->lock );
485 for( i = 0 ; i < p_i->i_categories ; i ++ )
487 if( !strcmp( p_i->pp_categories[i]->psz_name, psz_cat ) )
489 p_cat = p_i->pp_categories[i];
495 if( !(p_cat = (info_category_t *)malloc( sizeof(info_category_t) )) )
497 vlc_mutex_unlock( &p_i->lock );
500 p_cat->psz_name = strdup( psz_cat );
503 INSERT_ELEM( p_i->pp_categories, p_i->i_categories, p_i->i_categories,
507 for( i = 0; i< p_cat->i_infos; i++ )
509 if( !strcmp( p_cat->pp_infos[i]->psz_name, psz_name ) )
511 p_info = p_cat->pp_infos[i];
518 if( ( p_info = (info_t *)malloc( sizeof( info_t ) ) ) == NULL )
520 vlc_mutex_unlock( &p_i->lock );
523 INSERT_ELEM( p_cat->pp_infos, p_cat->i_infos, p_cat->i_infos, p_info );
524 p_info->psz_name = strdup( psz_name );
528 free( p_info->psz_value );
531 va_start( args, psz_format );
532 if( vasprintf( &p_info->psz_value, psz_format, args) == -1 )
533 p_info->psz_value = NULL;
536 vlc_mutex_unlock( &p_i->lock );
538 if( p_info->psz_value )
542 event.type = vlc_InputItemInfoChanged;
543 vlc_event_send( &p_i->event_manager, &event );
545 return p_info->psz_value ? VLC_SUCCESS : VLC_ENOMEM;
547 int input_item_DelInfo( input_item_t *p_i,
549 const char *psz_name )
551 info_category_t *p_cat = NULL;
555 vlc_mutex_lock( &p_i->lock );
556 for( i_cat = 0; i_cat < p_i->i_categories; i_cat++ )
558 if( !strcmp( p_i->pp_categories[i_cat]->psz_name,
561 p_cat = p_i->pp_categories[i_cat];
567 vlc_mutex_unlock( &p_i->lock );
573 /* Remove a specific info */
574 for( i = 0; i < p_cat->i_infos; i++ )
576 if( !strcmp( p_cat->pp_infos[i]->psz_name, psz_name ) )
578 free( p_cat->pp_infos[i]->psz_name );
579 free( p_cat->pp_infos[i]->psz_value );
580 free( p_cat->pp_infos[i] );
581 REMOVE_ELEM( p_cat->pp_infos, p_cat->i_infos, i );
585 if( i >= p_cat->i_infos )
587 vlc_mutex_unlock( &p_i->lock );
593 /* Remove the complete categorie */
594 for( i = 0; i < p_cat->i_infos; i++ )
596 free( p_cat->pp_infos[i]->psz_name );
597 free( p_cat->pp_infos[i]->psz_value );
598 free( p_cat->pp_infos[i] );
600 free( p_cat->pp_infos );
601 REMOVE_ELEM( p_i->pp_categories, p_i->i_categories, i_cat );
605 free( p_cat->psz_name );
607 vlc_mutex_unlock( &p_i->lock );
611 event.type = vlc_InputItemInfoChanged;
612 vlc_event_send( &p_i->event_manager, &event );
618 input_item_t *__input_item_NewExt( vlc_object_t *p_obj, const char *psz_uri,
619 const char *psz_name,
621 const char *const *ppsz_options,
624 return input_item_NewWithType( p_obj, psz_uri, psz_name,
625 i_options, ppsz_options,
626 i_duration, ITEM_TYPE_UNKNOWN );
630 input_item_t *input_item_NewWithType( vlc_object_t *p_obj, const char *psz_uri,
631 const char *psz_name,
633 const char *const *ppsz_options,
637 libvlc_priv_t *priv = libvlc_priv (p_obj->p_libvlc);
639 input_item_t* p_input = malloc( sizeof(input_item_t ) );
643 input_item_Init( p_obj, p_input );
644 vlc_gc_init( p_input, input_item_Destroy );
646 vlc_object_lock( p_obj->p_libvlc );
647 p_input->i_id = ++priv->i_last_input_id;
648 vlc_object_unlock( p_obj->p_libvlc );
650 p_input->b_fixed_name = false;
653 p_input->psz_uri = strdup( psz_uri );
655 p_input->psz_uri = NULL;
657 p_input->i_type = i_type;
658 p_input->b_prefers_tree = false;
660 if( p_input->i_type == ITEM_TYPE_UNKNOWN )
661 GuessType( p_input );
663 if( psz_name != NULL )
664 p_input->psz_name = strdup( psz_name );
665 else if( p_input->i_type == ITEM_TYPE_FILE && p_input->psz_uri )
667 const char *psz_filename = strrchr( p_input->psz_uri, DIR_SEP_CHAR );
668 if( psz_filename && *psz_filename == DIR_SEP_CHAR )
670 p_input->psz_name = strdup( psz_filename && *psz_filename
671 ? psz_filename : p_input->psz_uri );
674 p_input->psz_name = p_input->psz_uri ? strdup( p_input->psz_uri ) : NULL;
676 p_input->i_duration = i_duration;
678 for( int i = 0; i < i_options; i++ )
679 input_item_AddOption( p_input, ppsz_options[i] );
683 /* Guess the type of the item using the beginning of the mrl */
684 static void GuessType( input_item_t *p_item)
687 static struct { const char *psz_search; int i_type; } types_array[] =
689 { "http", ITEM_TYPE_NET },
690 { "dvd", ITEM_TYPE_DISC },
691 { "cdda", ITEM_TYPE_CDDA },
692 { "mms", ITEM_TYPE_NET },
693 { "rtsp", ITEM_TYPE_NET },
694 { "udp", ITEM_TYPE_NET },
695 { "rtp", ITEM_TYPE_NET },
696 { "vcd", ITEM_TYPE_DISC },
697 { "v4l", ITEM_TYPE_CARD },
698 { "dshow", ITEM_TYPE_CARD },
699 { "pvr", ITEM_TYPE_CARD },
700 { "dvb", ITEM_TYPE_CARD },
701 { "qpsk", ITEM_TYPE_CARD },
702 { "sdp", ITEM_TYPE_NET },
706 if( !p_item->psz_uri )
708 p_item->i_type = ITEM_TYPE_FILE;
712 for( i = 0; types_array[i].psz_search != NULL; i++ )
714 if( !strncmp( p_item->psz_uri, types_array[i].psz_search,
715 strlen( types_array[i].psz_search ) ) )
717 p_item->i_type = types_array[i].i_type;
721 p_item->i_type = ITEM_TYPE_FILE;