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 *****************************************************************************/
25 #include "vlc_playlist.h"
26 #include "vlc_interface.h"
28 #include "input_internal.h"
30 static void GuessType( input_item_t *p_item );
32 void input_item_SetMeta( input_item_t *p_i, vlc_meta_type_t meta_type, const char *psz_val )
36 vlc_mutex_lock( &p_i->lock );
38 p_i->p_meta = vlc_meta_New();
39 vlc_meta_Set( p_i->p_meta, meta_type, psz_val );
40 vlc_mutex_unlock( &p_i->lock );
42 /* Notify interested third parties */
43 event.type = vlc_InputItemMetaChanged;
44 event.u.input_item_meta_changed.meta_type = meta_type;
45 vlc_event_send( &p_i->event_manager, &event );
49 * Get the item from an input thread
51 input_item_t *input_GetItem( input_thread_t *p_input )
53 assert( p_input && p_input->p );
54 return p_input->p->input.p_item;
58 * Get a info item from a given category in a given input item.
60 * \param p_i The input item to get info from
61 * \param psz_cat String representing the category for the info
62 * \param psz_name String representing the name of the desired info
63 * \return A pointer to the string with the given info if found, or an
64 * empty string otherwise. The caller should free the returned
67 char *input_ItemGetInfo( input_item_t *p_i,
69 const char *psz_name )
73 vlc_mutex_lock( &p_i->lock );
75 for( i = 0 ; i< p_i->i_categories ; i++ )
77 info_category_t *p_cat = p_i->pp_categories[i];
79 if( !psz_cat || strcmp( p_cat->psz_name, psz_cat ) )
82 for( j = 0; j < p_cat->i_infos ; j++ )
84 if( !strcmp( p_cat->pp_infos[j]->psz_name, psz_name ) )
86 char *psz_ret = strdup( p_cat->pp_infos[j]->psz_value );
87 vlc_mutex_unlock( &p_i->lock );
92 vlc_mutex_unlock( &p_i->lock );
96 static void input_ItemDestroy ( gc_object_t *p_this )
98 vlc_object_t *p_obj = (vlc_object_t *)p_this->p_destructor_arg;
99 input_item_t *p_input = (input_item_t *) p_this;
102 playlist_t *p_playlist = pl_Yield( p_obj );
103 input_ItemClean( p_input );
105 ARRAY_BSEARCH( p_playlist->input_items,->i_id, int, p_input->i_id, i);
107 ARRAY_REMOVE( p_playlist->input_items, i);
113 void input_ItemAddOption( input_item_t *p_input,
114 const char *psz_option )
116 if( !psz_option ) return;
117 vlc_mutex_lock( &p_input->lock );
118 INSERT_ELEM( p_input->ppsz_options, p_input->i_options,
119 p_input->i_options, strdup( psz_option ) );
120 vlc_mutex_unlock( &p_input->lock );
123 void input_ItemAddOptionNoDup( input_item_t *p_input,
124 const char *psz_option )
127 if( !psz_option ) return ;
128 vlc_mutex_lock( &p_input->lock );
129 for( i = 0 ; i< p_input->i_options; i++ )
131 if( !strcmp( p_input->ppsz_options[i], psz_option ) )
133 vlc_mutex_unlock(& p_input->lock );
137 TAB_APPEND( p_input->i_options, p_input->ppsz_options, strdup( psz_option)); vlc_mutex_unlock( &p_input->lock );
141 int input_ItemAddInfo( input_item_t *p_i,
143 const char *psz_name,
144 const char *psz_format, ... )
148 info_t *p_info = NULL;
149 info_category_t *p_cat = NULL ;
151 vlc_mutex_lock( &p_i->lock );
153 for( i = 0 ; i < p_i->i_categories ; i ++ )
155 if( !strcmp( p_i->pp_categories[i]->psz_name, psz_cat ) )
157 p_cat = p_i->pp_categories[i];
163 if( !(p_cat = (info_category_t *)malloc( sizeof(info_category_t) )) )
165 vlc_mutex_unlock( &p_i->lock );
168 p_cat->psz_name = strdup( psz_cat );
171 INSERT_ELEM( p_i->pp_categories, p_i->i_categories, p_i->i_categories,
175 for( i = 0; i< p_cat->i_infos; i++ )
177 if( !strcmp( p_cat->pp_infos[i]->psz_name, psz_name ) )
179 p_info = p_cat->pp_infos[i];
186 if( ( p_info = (info_t *)malloc( sizeof( info_t ) ) ) == NULL )
188 vlc_mutex_unlock( &p_i->lock );
191 INSERT_ELEM( p_cat->pp_infos, p_cat->i_infos, p_cat->i_infos, p_info );
192 p_info->psz_name = strdup( psz_name );
196 free( p_info->psz_value );
199 va_start( args, psz_format );
200 if( vasprintf( &p_info->psz_value, psz_format, args) )
201 p_info->psz_value = NULL;
204 vlc_mutex_unlock( &p_i->lock );
206 return p_info->psz_value ? VLC_SUCCESS : VLC_ENOMEM;
209 input_item_t *input_ItemGetById( playlist_t *p_playlist, int i_id )
212 ARRAY_BSEARCH( p_playlist->input_items, ->i_id, int, i_id, i);
214 return ARRAY_VAL( p_playlist->input_items, i);
218 input_item_t *__input_ItemNewExt( vlc_object_t *p_obj, const char *psz_uri,
219 const char *psz_name,
221 const char *const *ppsz_options,
224 return input_ItemNewWithType( p_obj, psz_uri, psz_name,
225 i_options, ppsz_options,
226 i_duration, ITEM_TYPE_UNKNOWN );
230 input_item_t *input_ItemNewWithType( vlc_object_t *p_obj, const char *psz_uri,
231 const char *psz_name,
233 const char *const *ppsz_options,
237 playlist_t *p_playlist = pl_Yield( p_obj );
238 DECMALLOC_NULL( p_input, input_item_t );
240 input_ItemInit( p_obj, p_input );
241 vlc_gc_init( p_input, input_ItemDestroy, (void *)p_obj );
244 p_input->i_id = ++p_playlist->i_last_input_id;
245 ARRAY_APPEND( p_playlist->input_items, p_input );
249 p_input->b_fixed_name = VLC_FALSE;
252 p_input->psz_uri = strdup( psz_uri );
254 p_input->psz_uri = NULL;
256 p_input->i_type = i_type;
257 p_input->b_prefers_tree = VLC_FALSE;
259 if( p_input->i_type == ITEM_TYPE_UNKNOWN )
260 GuessType( p_input );
262 if( psz_name != NULL )
263 p_input->psz_name = strdup( psz_name );
264 else if( p_input->i_type == ITEM_TYPE_FILE )
266 const char *psz_filename = strrchr( p_input->psz_uri, DIR_SEP_CHAR );
267 if( psz_filename && *psz_filename == DIR_SEP_CHAR )
269 p_input->psz_name = strdup( psz_filename && *psz_filename
270 ? psz_filename : p_input->psz_uri );
273 p_input->psz_name = strdup( p_input->psz_uri );
275 p_input->i_duration = i_duration;
276 p_input->ppsz_options = NULL;
277 p_input->i_options = 0;
279 for( int i = 0; i < i_options; i++ )
280 input_ItemAddOption( p_input, ppsz_options[i] );
284 /* Guess the type of the item using the beginning of the mrl */
285 static void GuessType( input_item_t *p_item)
288 static struct { const char *psz_search; int i_type; } types_array[] =
290 { "http", ITEM_TYPE_NET },
291 { "dvd", ITEM_TYPE_DISC },
292 { "cdda", ITEM_TYPE_CDDA },
293 { "mms", ITEM_TYPE_NET },
294 { "rtsp", ITEM_TYPE_NET },
295 { "udp", ITEM_TYPE_NET },
296 { "rtp", ITEM_TYPE_NET },
297 { "vcd", ITEM_TYPE_DISC },
298 { "v4l", ITEM_TYPE_CARD },
299 { "dshow", ITEM_TYPE_CARD },
300 { "pvr", ITEM_TYPE_CARD },
301 { "dvb", ITEM_TYPE_CARD },
302 { "qpsk", ITEM_TYPE_CARD },
303 { "sdp", ITEM_TYPE_NET },
307 for( i = 0; types_array[i].psz_search != NULL; i++ )
309 if( !strncmp( p_item->psz_uri, types_array[i].psz_search,
310 strlen( types_array[i].psz_search ) ) )
312 p_item->i_type = types_array[i].i_type;
316 p_item->i_type = ITEM_TYPE_FILE;