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_t * p_em = &p_i->event_manager;
57 vlc_event_manager_init( p_em, p_i, p_o );
58 vlc_event_manager_register_event_type( p_em, vlc_InputItemMetaChanged );
59 vlc_event_manager_register_event_type( p_em, vlc_InputItemSubItemAdded );
60 vlc_event_manager_register_event_type( p_em, vlc_InputItemDurationChanged );
61 vlc_event_manager_register_event_type( p_em, vlc_InputItemPreparsedChanged );
62 vlc_event_manager_register_event_type( p_em, vlc_InputItemNameChanged );
63 vlc_event_manager_register_event_type( p_em, vlc_InputItemInfoChanged );
64 vlc_event_manager_register_event_type( p_em, vlc_InputItemErrorWhenReadingChanged );
67 static inline void input_ItemClean( input_item_t *p_i )
71 vlc_event_manager_fini( &p_i->event_manager );
73 free( p_i->psz_name );
77 vlc_mutex_destroy( &p_i->p_stats->lock );
82 vlc_meta_Delete( p_i->p_meta );
84 for( i = 0; i < p_i->i_options; i++ )
85 free( p_i->ppsz_options[i] );
86 TAB_CLEAN( p_i->i_options, p_i->ppsz_options );
89 for( i = 0; i < p_i->i_es; i++ )
91 es_format_Clean( p_i->es[i] );
94 TAB_CLEAN( p_i->i_es, p_i->es );
96 for( i = 0; i < p_i->i_categories; i++ )
98 info_category_t *p_category = p_i->pp_categories[i];
101 for( j = 0; j < p_category->i_infos; j++ )
103 struct info_t *p_info = p_category->pp_infos[j];
105 free( p_info->psz_name);
106 free( p_info->psz_value );
109 TAB_CLEAN( p_category->i_infos, p_category->pp_infos );
111 free( p_category->psz_name );
114 TAB_CLEAN( p_i->i_categories, p_i->pp_categories );
116 vlc_mutex_destroy( &p_i->lock );
119 void input_item_SetHasErrorWhenReading( input_item_t *p_i, bool error )
123 if( p_i->b_error_when_reading == error )
126 p_i->b_error_when_reading = error;
128 /* Notify interested third parties */
129 event.type = vlc_InputItemErrorWhenReadingChanged;
130 event.u.input_item_error_when_reading_changed.new_value = error;
131 vlc_event_send( &p_i->event_manager, &event );
134 void input_item_SetMeta( input_item_t *p_i, vlc_meta_type_t meta_type, const char *psz_val )
138 vlc_mutex_lock( &p_i->lock );
140 p_i->p_meta = vlc_meta_New();
141 vlc_meta_Set( p_i->p_meta, meta_type, psz_val );
142 vlc_mutex_unlock( &p_i->lock );
144 /* Notify interested third parties */
145 event.type = vlc_InputItemMetaChanged;
146 event.u.input_item_meta_changed.meta_type = meta_type;
147 vlc_event_send( &p_i->event_manager, &event );
151 * Get the item from an input thread
153 input_item_t *input_GetItem( input_thread_t *p_input )
155 assert( p_input && p_input->p );
156 return p_input->p->input.p_item;
160 * Get a info item from a given category in a given input item.
162 * \param p_i The input item to get info from
163 * \param psz_cat String representing the category for the info
164 * \param psz_name String representing the name of the desired info
165 * \return A pointer to the string with the given info if found, or an
166 * empty string otherwise. The caller should free the returned
169 char *input_ItemGetInfo( input_item_t *p_i,
171 const char *psz_name )
175 vlc_mutex_lock( &p_i->lock );
177 for( i = 0 ; i< p_i->i_categories ; i++ )
179 info_category_t *p_cat = p_i->pp_categories[i];
181 if( !psz_cat || strcmp( p_cat->psz_name, psz_cat ) )
184 for( j = 0; j < p_cat->i_infos ; j++ )
186 if( !strcmp( p_cat->pp_infos[j]->psz_name, psz_name ) )
188 char *psz_ret = strdup( p_cat->pp_infos[j]->psz_value );
189 vlc_mutex_unlock( &p_i->lock );
194 vlc_mutex_unlock( &p_i->lock );
198 static void input_ItemDestroy ( gc_object_t *p_this )
200 vlc_object_t *p_obj = (vlc_object_t *)p_this->p_destructor_arg;
201 libvlc_priv_t *priv = libvlc_priv (p_obj->p_libvlc);
202 input_item_t *p_input = (input_item_t *) p_this;
205 input_ItemClean( p_input );
207 vlc_object_lock( p_obj->p_libvlc );
209 ARRAY_BSEARCH( priv->input_items,->i_id, int, p_input->i_id, i);
211 ARRAY_REMOVE( priv->input_items, i);
213 vlc_object_unlock( p_obj->p_libvlc );
218 int input_ItemAddOpt( input_item_t *p_input, const char *psz_option,
221 int err = VLC_SUCCESS;
223 if( psz_option == NULL )
226 vlc_mutex_lock( &p_input->lock );
227 if (flags & VLC_INPUT_OPTION_UNIQUE)
229 for (int i = 0 ; i < p_input->i_options; i++)
230 if( !strcmp( p_input->ppsz_options[i], psz_option ) )
234 uint8_t *flagv = realloc (p_input->optflagv, p_input->optflagc + 1);
240 p_input->optflagv = flagv;
241 flagv[p_input->optflagc++] = flags;
243 INSERT_ELEM( p_input->ppsz_options, p_input->i_options,
244 p_input->i_options, strdup( psz_option ) );
246 vlc_mutex_unlock( &p_input->lock );
250 int input_ItemAddInfo( input_item_t *p_i,
252 const char *psz_name,
253 const char *psz_format, ... )
257 info_t *p_info = NULL;
258 info_category_t *p_cat = NULL ;
260 vlc_mutex_lock( &p_i->lock );
262 for( i = 0 ; i < p_i->i_categories ; i ++ )
264 if( !strcmp( p_i->pp_categories[i]->psz_name, psz_cat ) )
266 p_cat = p_i->pp_categories[i];
272 if( !(p_cat = (info_category_t *)malloc( sizeof(info_category_t) )) )
274 vlc_mutex_unlock( &p_i->lock );
277 p_cat->psz_name = strdup( psz_cat );
280 INSERT_ELEM( p_i->pp_categories, p_i->i_categories, p_i->i_categories,
284 for( i = 0; i< p_cat->i_infos; i++ )
286 if( !strcmp( p_cat->pp_infos[i]->psz_name, psz_name ) )
288 p_info = p_cat->pp_infos[i];
295 if( ( p_info = (info_t *)malloc( sizeof( info_t ) ) ) == NULL )
297 vlc_mutex_unlock( &p_i->lock );
300 INSERT_ELEM( p_cat->pp_infos, p_cat->i_infos, p_cat->i_infos, p_info );
301 p_info->psz_name = strdup( psz_name );
305 free( p_info->psz_value );
308 va_start( args, psz_format );
309 if( vasprintf( &p_info->psz_value, psz_format, args) == -1 )
310 p_info->psz_value = NULL;
313 vlc_mutex_unlock( &p_i->lock );
315 return p_info->psz_value ? VLC_SUCCESS : VLC_ENOMEM;
318 input_item_t *__input_ItemGetById( vlc_object_t *p_obj, int i_id )
320 libvlc_priv_t *priv = libvlc_priv (p_obj->p_libvlc);
321 input_item_t * p_ret = NULL;
324 vlc_object_lock( p_obj->p_libvlc );
326 ARRAY_BSEARCH( priv->input_items, ->i_id, int, i_id, i);
328 p_ret = ARRAY_VAL( priv->input_items, i);
330 vlc_object_unlock( p_obj->p_libvlc );
335 input_item_t *__input_ItemNewExt( vlc_object_t *p_obj, const char *psz_uri,
336 const char *psz_name,
338 const char *const *ppsz_options,
341 return input_ItemNewWithType( p_obj, psz_uri, psz_name,
342 i_options, ppsz_options,
343 i_duration, ITEM_TYPE_UNKNOWN );
347 input_item_t *input_ItemNewWithType( vlc_object_t *p_obj, const char *psz_uri,
348 const char *psz_name,
350 const char *const *ppsz_options,
354 libvlc_priv_t *priv = libvlc_priv (p_obj->p_libvlc);
356 DECMALLOC_NULL( p_input, input_item_t );
358 input_ItemInit( p_obj, p_input );
359 vlc_gc_init( p_input, input_ItemDestroy, (void *)p_obj->p_libvlc );
361 vlc_object_lock( p_obj->p_libvlc );
362 p_input->i_id = ++priv->i_last_input_id;
363 ARRAY_APPEND( priv->input_items, p_input );
364 vlc_object_unlock( p_obj->p_libvlc );
366 p_input->b_fixed_name = false;
369 p_input->psz_uri = strdup( psz_uri );
371 p_input->psz_uri = NULL;
373 p_input->i_type = i_type;
375 if( p_input->i_type == ITEM_TYPE_UNKNOWN )
376 GuessType( p_input );
378 if( psz_name != NULL )
379 p_input->psz_name = strdup( psz_name );
380 else if( p_input->i_type == ITEM_TYPE_FILE && p_input->psz_uri )
382 const char *psz_filename = strrchr( p_input->psz_uri, DIR_SEP_CHAR );
383 if( psz_filename && *psz_filename == DIR_SEP_CHAR )
385 p_input->psz_name = strdup( psz_filename && *psz_filename
386 ? psz_filename : p_input->psz_uri );
389 p_input->psz_name = p_input->psz_uri ? strdup( p_input->psz_uri ) : NULL;
391 p_input->i_duration = i_duration;
393 for( int i = 0; i < i_options; i++ )
394 input_ItemAddOption( p_input, ppsz_options[i] );
398 /* Guess the type of the item using the beginning of the mrl */
399 static void GuessType( input_item_t *p_item)
402 static struct { const char *psz_search; int i_type; } types_array[] =
404 { "http", ITEM_TYPE_NET },
405 { "dvd", ITEM_TYPE_DISC },
406 { "cdda", ITEM_TYPE_CDDA },
407 { "mms", ITEM_TYPE_NET },
408 { "rtsp", ITEM_TYPE_NET },
409 { "udp", ITEM_TYPE_NET },
410 { "rtp", ITEM_TYPE_NET },
411 { "vcd", ITEM_TYPE_DISC },
412 { "v4l", ITEM_TYPE_CARD },
413 { "dshow", ITEM_TYPE_CARD },
414 { "pvr", ITEM_TYPE_CARD },
415 { "dvb", ITEM_TYPE_CARD },
416 { "qpsk", ITEM_TYPE_CARD },
417 { "sdp", ITEM_TYPE_NET },
421 if( !p_item->psz_uri )
423 p_item->i_type = ITEM_TYPE_FILE;
427 for( i = 0; types_array[i].psz_search != NULL; i++ )
429 if( !strncmp( p_item->psz_uri, types_array[i].psz_search,
430 strlen( types_array[i].psz_search ) ) )
432 p_item->i_type = types_array[i].i_type;
436 p_item->i_type = ITEM_TYPE_FILE;