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"
33 #include "input_internal.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_ItemInit( vlc_object_t *p_o, input_item_t *p_i )
41 memset( p_i, 0, sizeof(input_item_t) );
44 TAB_INIT( p_i->i_es, p_i->es );
45 TAB_INIT( p_i->i_options, p_i->ppsz_options );
46 p_i->optflagv = NULL, p_i->optflagc = 0;
47 TAB_INIT( p_i->i_categories, p_i->pp_categories );
49 p_i->i_type = ITEM_TYPE_UNKNOWN;
50 p_i->b_fixed_name = true;
55 vlc_mutex_init( &p_i->lock );
56 vlc_event_manager_init( &p_i->event_manager, p_i, p_o );
57 vlc_event_manager_register_event_type( &p_i->event_manager,
58 vlc_InputItemMetaChanged );
59 vlc_event_manager_register_event_type( &p_i->event_manager,
60 vlc_InputItemSubItemAdded );
61 vlc_event_manager_register_event_type( &p_i->event_manager,
62 vlc_InputItemDurationChanged );
63 vlc_event_manager_register_event_type( &p_i->event_manager,
64 vlc_InputItemPreparsedChanged );
65 vlc_event_manager_register_event_type( &p_i->event_manager,
66 vlc_InputItemNameChanged );
67 vlc_event_manager_register_event_type( &p_i->event_manager,
68 vlc_InputItemInfoChanged );
71 static inline void input_ItemClean( input_item_t *p_i )
75 vlc_event_manager_fini( &p_i->event_manager );
77 free( p_i->psz_name );
81 vlc_mutex_destroy( &p_i->p_stats->lock );
86 vlc_meta_Delete( p_i->p_meta );
88 for( i = 0; i < p_i->i_options; i++ )
89 free( p_i->ppsz_options[i] );
90 TAB_CLEAN( p_i->i_options, p_i->ppsz_options );
93 for( i = 0; i < p_i->i_es; i++ )
95 es_format_Clean( p_i->es[i] );
98 TAB_CLEAN( p_i->i_es, p_i->es );
100 for( i = 0; i < p_i->i_categories; i++ )
102 info_category_t *p_category = p_i->pp_categories[i];
105 for( j = 0; j < p_category->i_infos; j++ )
107 struct info_t *p_info = p_category->pp_infos[j];
109 free( p_info->psz_name);
110 free( p_info->psz_value );
113 TAB_CLEAN( p_category->i_infos, p_category->pp_infos );
115 free( p_category->psz_name );
118 TAB_CLEAN( p_i->i_categories, p_i->pp_categories );
120 vlc_mutex_destroy( &p_i->lock );
123 void input_item_SetMeta( input_item_t *p_i, vlc_meta_type_t meta_type, const char *psz_val )
127 vlc_mutex_lock( &p_i->lock );
129 p_i->p_meta = vlc_meta_New();
130 vlc_meta_Set( p_i->p_meta, meta_type, psz_val );
131 vlc_mutex_unlock( &p_i->lock );
133 /* Notify interested third parties */
134 event.type = vlc_InputItemMetaChanged;
135 event.u.input_item_meta_changed.meta_type = meta_type;
136 vlc_event_send( &p_i->event_manager, &event );
140 * Get the item from an input thread
142 input_item_t *input_GetItem( input_thread_t *p_input )
144 assert( p_input && p_input->p );
145 return p_input->p->input.p_item;
149 * Get a info item from a given category in a given input item.
151 * \param p_i The input item to get info from
152 * \param psz_cat String representing the category for the info
153 * \param psz_name String representing the name of the desired info
154 * \return A pointer to the string with the given info if found, or an
155 * empty string otherwise. The caller should free the returned
158 char *input_ItemGetInfo( input_item_t *p_i,
160 const char *psz_name )
164 vlc_mutex_lock( &p_i->lock );
166 for( i = 0 ; i< p_i->i_categories ; i++ )
168 info_category_t *p_cat = p_i->pp_categories[i];
170 if( !psz_cat || strcmp( p_cat->psz_name, psz_cat ) )
173 for( j = 0; j < p_cat->i_infos ; j++ )
175 if( !strcmp( p_cat->pp_infos[j]->psz_name, psz_name ) )
177 char *psz_ret = strdup( p_cat->pp_infos[j]->psz_value );
178 vlc_mutex_unlock( &p_i->lock );
183 vlc_mutex_unlock( &p_i->lock );
187 static void input_ItemDestroy ( gc_object_t *p_this )
189 vlc_object_t *p_obj = (vlc_object_t *)p_this->p_destructor_arg;
190 libvlc_priv_t *priv = libvlc_priv (p_obj->p_libvlc);
191 input_item_t *p_input = (input_item_t *) p_this;
194 input_ItemClean( p_input );
196 vlc_object_lock( p_obj->p_libvlc );
198 ARRAY_BSEARCH( priv->input_items,->i_id, int, p_input->i_id, i);
200 ARRAY_REMOVE( priv->input_items, i);
202 vlc_object_unlock( p_obj->p_libvlc );
207 int input_ItemAddOpt( input_item_t *p_input, const char *psz_option,
210 int err = VLC_SUCCESS;
212 if( psz_option == NULL )
215 vlc_mutex_lock( &p_input->lock );
216 if (flags & VLC_INPUT_OPTION_UNIQUE)
218 for (int i = 0 ; i < p_input->i_options; i++)
219 if( !strcmp( p_input->ppsz_options[i], psz_option ) )
223 uint8_t *flagv = realloc (p_input->optflagv, p_input->optflagc + 1);
229 p_input->optflagv = flagv;
230 flagv[p_input->optflagc++] = flags;
232 INSERT_ELEM( p_input->ppsz_options, p_input->i_options,
233 p_input->i_options, strdup( psz_option ) );
235 vlc_mutex_unlock( &p_input->lock );
239 int input_ItemAddInfo( input_item_t *p_i,
241 const char *psz_name,
242 const char *psz_format, ... )
246 info_t *p_info = NULL;
247 info_category_t *p_cat = NULL ;
249 vlc_mutex_lock( &p_i->lock );
251 for( i = 0 ; i < p_i->i_categories ; i ++ )
253 if( !strcmp( p_i->pp_categories[i]->psz_name, psz_cat ) )
255 p_cat = p_i->pp_categories[i];
261 if( !(p_cat = (info_category_t *)malloc( sizeof(info_category_t) )) )
263 vlc_mutex_unlock( &p_i->lock );
266 p_cat->psz_name = strdup( psz_cat );
269 INSERT_ELEM( p_i->pp_categories, p_i->i_categories, p_i->i_categories,
273 for( i = 0; i< p_cat->i_infos; i++ )
275 if( !strcmp( p_cat->pp_infos[i]->psz_name, psz_name ) )
277 p_info = p_cat->pp_infos[i];
284 if( ( p_info = (info_t *)malloc( sizeof( info_t ) ) ) == NULL )
286 vlc_mutex_unlock( &p_i->lock );
289 INSERT_ELEM( p_cat->pp_infos, p_cat->i_infos, p_cat->i_infos, p_info );
290 p_info->psz_name = strdup( psz_name );
294 free( p_info->psz_value );
297 va_start( args, psz_format );
298 if( vasprintf( &p_info->psz_value, psz_format, args) == -1 )
299 p_info->psz_value = NULL;
302 vlc_mutex_unlock( &p_i->lock );
304 return p_info->psz_value ? VLC_SUCCESS : VLC_ENOMEM;
307 input_item_t *__input_ItemGetById( vlc_object_t *p_obj, int i_id )
309 libvlc_priv_t *priv = libvlc_priv (p_obj->p_libvlc);
310 input_item_t * p_ret = NULL;
313 vlc_object_lock( p_obj->p_libvlc );
315 ARRAY_BSEARCH( priv->input_items, ->i_id, int, i_id, i);
317 p_ret = ARRAY_VAL( priv->input_items, i);
319 vlc_object_unlock( p_obj->p_libvlc );
324 input_item_t *__input_ItemNewExt( vlc_object_t *p_obj, const char *psz_uri,
325 const char *psz_name,
327 const char *const *ppsz_options,
330 return input_ItemNewWithType( p_obj, psz_uri, psz_name,
331 i_options, ppsz_options,
332 i_duration, ITEM_TYPE_UNKNOWN );
336 input_item_t *input_ItemNewWithType( vlc_object_t *p_obj, const char *psz_uri,
337 const char *psz_name,
339 const char *const *ppsz_options,
343 libvlc_priv_t *priv = libvlc_priv (p_obj->p_libvlc);
345 DECMALLOC_NULL( p_input, input_item_t );
347 input_ItemInit( p_obj, p_input );
348 vlc_gc_init( p_input, input_ItemDestroy, (void *)p_obj->p_libvlc );
350 vlc_object_lock( p_obj->p_libvlc );
351 p_input->i_id = ++priv->i_last_input_id;
352 ARRAY_APPEND( priv->input_items, p_input );
353 vlc_object_unlock( p_obj->p_libvlc );
355 p_input->b_fixed_name = false;
358 p_input->psz_uri = strdup( psz_uri );
360 p_input->psz_uri = NULL;
362 p_input->i_type = i_type;
364 if( p_input->i_type == ITEM_TYPE_UNKNOWN )
365 GuessType( p_input );
367 if( psz_name != NULL )
368 p_input->psz_name = strdup( psz_name );
369 else if( p_input->i_type == ITEM_TYPE_FILE && p_input->psz_uri )
371 const char *psz_filename = strrchr( p_input->psz_uri, DIR_SEP_CHAR );
372 if( psz_filename && *psz_filename == DIR_SEP_CHAR )
374 p_input->psz_name = strdup( psz_filename && *psz_filename
375 ? psz_filename : p_input->psz_uri );
378 p_input->psz_name = p_input->psz_uri ? strdup( p_input->psz_uri ) : NULL;
380 p_input->i_duration = i_duration;
382 for( int i = 0; i < i_options; i++ )
383 input_ItemAddOption( p_input, ppsz_options[i] );
387 /* Guess the type of the item using the beginning of the mrl */
388 static void GuessType( input_item_t *p_item)
391 static struct { const char *psz_search; int i_type; } types_array[] =
393 { "http", ITEM_TYPE_NET },
394 { "dvd", ITEM_TYPE_DISC },
395 { "cdda", ITEM_TYPE_CDDA },
396 { "mms", ITEM_TYPE_NET },
397 { "rtsp", ITEM_TYPE_NET },
398 { "udp", ITEM_TYPE_NET },
399 { "rtp", ITEM_TYPE_NET },
400 { "vcd", ITEM_TYPE_DISC },
401 { "v4l", ITEM_TYPE_CARD },
402 { "dshow", ITEM_TYPE_CARD },
403 { "pvr", ITEM_TYPE_CARD },
404 { "dvb", ITEM_TYPE_CARD },
405 { "qpsk", ITEM_TYPE_CARD },
406 { "sdp", ITEM_TYPE_NET },
410 if( !p_item->psz_uri )
412 p_item->i_type = ITEM_TYPE_FILE;
416 for( i = 0; types_array[i].psz_search != NULL; i++ )
418 if( !strncmp( p_item->psz_uri, types_array[i].psz_search,
419 strlen( types_array[i].psz_search ) ) )
421 p_item->i_type = types_array[i].i_type;
425 p_item->i_type = ITEM_TYPE_FILE;