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 *****************************************************************************/
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 void input_item_SetMeta( input_item_t *p_i, vlc_meta_type_t meta_type, const char *psz_val )
41 vlc_mutex_lock( &p_i->lock );
43 p_i->p_meta = vlc_meta_New();
44 vlc_meta_Set( p_i->p_meta, meta_type, psz_val );
45 vlc_mutex_unlock( &p_i->lock );
47 /* Notify interested third parties */
48 event.type = vlc_InputItemMetaChanged;
49 event.u.input_item_meta_changed.meta_type = meta_type;
50 vlc_event_send( &p_i->event_manager, &event );
54 * Get the item from an input thread
56 input_item_t *input_GetItem( input_thread_t *p_input )
58 assert( p_input && p_input->p );
59 return p_input->p->input.p_item;
63 * Get a info item from a given category in a given input item.
65 * \param p_i The input item to get info from
66 * \param psz_cat String representing the category for the info
67 * \param psz_name String representing the name of the desired info
68 * \return A pointer to the string with the given info if found, or an
69 * empty string otherwise. The caller should free the returned
72 char *input_ItemGetInfo( input_item_t *p_i,
74 const char *psz_name )
78 vlc_mutex_lock( &p_i->lock );
80 for( i = 0 ; i< p_i->i_categories ; i++ )
82 info_category_t *p_cat = p_i->pp_categories[i];
84 if( !psz_cat || strcmp( p_cat->psz_name, psz_cat ) )
87 for( j = 0; j < p_cat->i_infos ; j++ )
89 if( !strcmp( p_cat->pp_infos[j]->psz_name, psz_name ) )
91 char *psz_ret = strdup( p_cat->pp_infos[j]->psz_value );
92 vlc_mutex_unlock( &p_i->lock );
97 vlc_mutex_unlock( &p_i->lock );
101 static void input_ItemDestroy ( gc_object_t *p_this )
103 vlc_object_t *p_obj = (vlc_object_t *)p_this->p_destructor_arg;
104 input_item_t *p_input = (input_item_t *) p_this;
107 playlist_t *p_playlist = pl_Yield( p_obj );
108 input_ItemClean( p_input );
110 ARRAY_BSEARCH( p_playlist->input_items,->i_id, int, p_input->i_id, i);
112 ARRAY_REMOVE( p_playlist->input_items, i);
118 void input_ItemAddOption( input_item_t *p_input,
119 const char *psz_option )
121 if( !psz_option ) return;
122 vlc_mutex_lock( &p_input->lock );
123 INSERT_ELEM( p_input->ppsz_options, p_input->i_options,
124 p_input->i_options, strdup( psz_option ) );
125 vlc_mutex_unlock( &p_input->lock );
128 void input_ItemAddOptionNoDup( input_item_t *p_input,
129 const char *psz_option )
132 if( !psz_option ) return ;
133 vlc_mutex_lock( &p_input->lock );
134 for( i = 0 ; i< p_input->i_options; i++ )
136 if( !strcmp( p_input->ppsz_options[i], psz_option ) )
138 vlc_mutex_unlock(& p_input->lock );
142 TAB_APPEND( p_input->i_options, p_input->ppsz_options, strdup( psz_option)); vlc_mutex_unlock( &p_input->lock );
146 int input_ItemAddInfo( input_item_t *p_i,
148 const char *psz_name,
149 const char *psz_format, ... )
153 info_t *p_info = NULL;
154 info_category_t *p_cat = NULL ;
156 vlc_mutex_lock( &p_i->lock );
158 for( i = 0 ; i < p_i->i_categories ; i ++ )
160 if( !strcmp( p_i->pp_categories[i]->psz_name, psz_cat ) )
162 p_cat = p_i->pp_categories[i];
168 if( !(p_cat = (info_category_t *)malloc( sizeof(info_category_t) )) )
170 vlc_mutex_unlock( &p_i->lock );
173 p_cat->psz_name = strdup( psz_cat );
176 INSERT_ELEM( p_i->pp_categories, p_i->i_categories, p_i->i_categories,
180 for( i = 0; i< p_cat->i_infos; i++ )
182 if( !strcmp( p_cat->pp_infos[i]->psz_name, psz_name ) )
184 p_info = p_cat->pp_infos[i];
191 if( ( p_info = (info_t *)malloc( sizeof( info_t ) ) ) == NULL )
193 vlc_mutex_unlock( &p_i->lock );
196 INSERT_ELEM( p_cat->pp_infos, p_cat->i_infos, p_cat->i_infos, p_info );
197 p_info->psz_name = strdup( psz_name );
201 free( p_info->psz_value );
204 va_start( args, psz_format );
205 if( vasprintf( &p_info->psz_value, psz_format, args) )
206 p_info->psz_value = NULL;
209 vlc_mutex_unlock( &p_i->lock );
211 return p_info->psz_value ? VLC_SUCCESS : VLC_ENOMEM;
214 input_item_t *input_ItemGetById( playlist_t *p_playlist, int i_id )
217 ARRAY_BSEARCH( p_playlist->input_items, ->i_id, int, i_id, i);
219 return ARRAY_VAL( p_playlist->input_items, i);
223 input_item_t *__input_ItemNewExt( vlc_object_t *p_obj, const char *psz_uri,
224 const char *psz_name,
226 const char *const *ppsz_options,
229 return input_ItemNewWithType( p_obj, psz_uri, psz_name,
230 i_options, ppsz_options,
231 i_duration, ITEM_TYPE_UNKNOWN );
235 input_item_t *input_ItemNewWithType( vlc_object_t *p_obj, const char *psz_uri,
236 const char *psz_name,
238 const char *const *ppsz_options,
242 playlist_t *p_playlist = pl_Yield( p_obj );
243 DECMALLOC_NULL( p_input, input_item_t );
245 input_ItemInit( p_obj, p_input );
246 vlc_gc_init( p_input, input_ItemDestroy, (void *)p_obj );
249 p_input->i_id = ++p_playlist->i_last_input_id;
250 ARRAY_APPEND( p_playlist->input_items, p_input );
254 p_input->b_fixed_name = VLC_FALSE;
257 p_input->psz_uri = strdup( psz_uri );
259 p_input->psz_uri = NULL;
261 p_input->i_type = i_type;
262 p_input->b_prefers_tree = VLC_FALSE;
264 if( p_input->i_type == ITEM_TYPE_UNKNOWN )
265 GuessType( p_input );
267 if( psz_name != NULL )
268 p_input->psz_name = strdup( psz_name );
269 else if( p_input->i_type == ITEM_TYPE_FILE )
271 const char *psz_filename = strrchr( p_input->psz_uri, DIR_SEP_CHAR );
272 if( psz_filename && *psz_filename == DIR_SEP_CHAR )
274 p_input->psz_name = strdup( psz_filename && *psz_filename
275 ? psz_filename : p_input->psz_uri );
278 p_input->psz_name = strdup( p_input->psz_uri );
280 p_input->i_duration = i_duration;
281 p_input->ppsz_options = NULL;
282 p_input->i_options = 0;
284 for( int i = 0; i < i_options; i++ )
285 input_ItemAddOption( p_input, ppsz_options[i] );
289 /* Guess the type of the item using the beginning of the mrl */
290 static void GuessType( input_item_t *p_item)
293 static struct { const char *psz_search; int i_type; } types_array[] =
295 { "http", ITEM_TYPE_NET },
296 { "dvd", ITEM_TYPE_DISC },
297 { "cdda", ITEM_TYPE_CDDA },
298 { "mms", ITEM_TYPE_NET },
299 { "rtsp", ITEM_TYPE_NET },
300 { "udp", ITEM_TYPE_NET },
301 { "rtp", ITEM_TYPE_NET },
302 { "vcd", ITEM_TYPE_DISC },
303 { "v4l", ITEM_TYPE_CARD },
304 { "dshow", ITEM_TYPE_CARD },
305 { "pvr", ITEM_TYPE_CARD },
306 { "dvb", ITEM_TYPE_CARD },
307 { "qpsk", ITEM_TYPE_CARD },
308 { "sdp", ITEM_TYPE_NET },
312 for( i = 0; types_array[i].psz_search != NULL; i++ )
314 if( !strncmp( p_item->psz_uri, types_array[i].psz_search,
315 strlen( types_array[i].psz_search ) ) )
317 p_item->i_type = types_array[i].i_type;
321 p_item->i_type = ITEM_TYPE_FILE;