1 /*****************************************************************************
2 * item.c : Playlist item functions
3 *****************************************************************************
4 * Copyright (C) 1999-2004 VideoLAN
7 * Authors: Samuel Hocevar <sam@zoy.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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
23 #include <stdlib.h> /* free(), strtol() */
24 #include <stdio.h> /* sprintf() */
25 #include <string.h> /* strerror() */
28 #include <vlc/input.h>
30 #include "vlc_playlist.h"
32 static void GuessType( input_item_t *p_item);
35 * Create a new item, without adding it to the playlist
37 * \param p_obj a vlc object (anyone will do)
38 * \param psz_uri the mrl of the item
39 * \param psz_name a text giving a name or description of the item
40 * \return the new item or NULL on failure
42 playlist_item_t * __playlist_ItemNew( vlc_object_t *p_obj,
44 const char *psz_name )
46 playlist_item_t * p_item;
48 if( psz_uri == NULL) return NULL;
50 p_item = malloc( sizeof( playlist_item_t ) );
51 if( p_item == NULL ) return NULL;
53 memset( p_item, 0, sizeof( playlist_item_t ) );
55 p_item->input.psz_uri = strdup( psz_uri );
57 if( psz_name != NULL ) p_item->input.psz_name = strdup( psz_name );
58 else p_item->input.psz_name = strdup ( psz_uri );
60 p_item->b_enabled = VLC_TRUE;
61 p_item->i_nb_played = 0;
63 p_item->i_children = -1;
64 p_item->pp_children = NULL;
67 p_item->i_flags |= PLAYLIST_SKIP_FLAG;
69 p_item->input.i_duration = -1;
70 p_item->input.ppsz_options = NULL;
71 p_item->input.i_options = 0;
73 vlc_mutex_init( p_obj, &p_item->input.lock );
75 GuessType( &p_item->input );
77 playlist_ItemCreateCategory( p_item, _("General") );
83 * Deletes a playlist item
85 * \param p_item the item to delete
88 int playlist_ItemDelete( playlist_item_t *p_item )
90 vlc_mutex_lock( &p_item->input.lock );
92 if( p_item->input.psz_name ) free( p_item->input.psz_name );
93 if( p_item->input.psz_uri ) free( p_item->input.psz_uri );
95 /* Free the info categories */
96 if( p_item->input.i_categories > 0 )
100 for( i = 0; i < p_item->input.i_categories; i++ )
102 info_category_t *p_category = p_item->input.pp_categories[i];
104 for( j = 0; j < p_category->i_infos; j++)
106 if( p_category->pp_infos[j]->psz_name )
108 free( p_category->pp_infos[j]->psz_name);
110 if( p_category->pp_infos[j]->psz_value )
112 free( p_category->pp_infos[j]->psz_value );
114 free( p_category->pp_infos[j] );
117 if( p_category->i_infos ) free( p_category->pp_infos );
118 if( p_category->psz_name ) free( p_category->psz_name );
122 free( p_item->input.pp_categories );
125 for( ; p_item->input.i_options > 0; p_item->input.i_options-- )
127 free( p_item->input.ppsz_options[p_item->input.i_options - 1] );
128 if( p_item->input.i_options == 1 ) free( p_item->input.ppsz_options );
131 for( ; p_item->i_parents > 0 ; )
133 struct item_parent_t *p_parent = p_item->pp_parents[0];
134 REMOVE_ELEM( p_item->pp_parents, p_item->i_parents, 0 );
138 vlc_mutex_unlock( &p_item->input.lock );
139 vlc_mutex_destroy( &p_item->input.lock );
147 * Add a option to one item ( no need for p_playlist )
149 * \param p_item the item on which we want the info
150 * \param psz_option the option
151 * \return 0 on success
153 int playlist_ItemAddOption( playlist_item_t *p_item, const char *psz_option )
155 if( !psz_option ) return VLC_EGENERIC;
157 vlc_mutex_lock( &p_item->input.lock );
158 INSERT_ELEM( p_item->input.ppsz_options, p_item->input.i_options,
159 p_item->input.i_options, strdup( psz_option ) );
160 vlc_mutex_unlock( &p_item->input.lock );
166 * Add a parent to an item
168 * \param p_item the item
169 * \param i_view the view in which the parent is
170 * \param p_parent the parent to add
173 int playlist_ItemAddParent( playlist_item_t *p_item, int i_view,
174 playlist_item_t *p_parent )
176 vlc_bool_t b_found = VLC_FALSE;
179 for( i= 0; i< p_item->i_parents ; i++ )
181 if( p_item->pp_parents[i]->i_view == i_view )
188 if( b_found == VLC_FALSE )
191 struct item_parent_t *p_ip = (struct item_parent_t *)
192 malloc(sizeof(struct item_parent_t) );
193 p_ip->i_view = i_view;
194 p_ip->p_parent = p_parent;
196 INSERT_ELEM( p_item->pp_parents,
197 p_item->i_parents, p_item->i_parents,
204 * Copy all parents from parent to child
206 int playlist_CopyParents( playlist_item_t *p_parent,
207 playlist_item_t *p_child )
210 for( i= 0 ; i< p_parent->i_parents; i ++ )
212 playlist_ItemAddParent( p_child,
213 p_parent->pp_parents[i]->i_view,
220 /**********************************************************************
221 * playlist_item_t structure accessors
222 * These functions give access to the fields of the playlist_item_t
224 **********************************************************************/
228 * Set the name of a playlist item
230 * \param p_item the item
231 * \param psz_name the new name
232 * \return VLC_SUCCESS on success, VLC_EGENERIC on failure
234 int playlist_ItemSetName( playlist_item_t *p_item, char *psz_name )
236 if( psz_name && p_item )
238 p_item->input.psz_name = strdup( psz_name );
245 * Set the duration of a playlist item
246 * This function must be entered with the item lock
248 * \param p_item the item
249 * \param i_duration the new duration
250 * \return VLC_SUCCESS on success, VLC_EGENERIC on failure
252 int playlist_ItemSetDuration( playlist_item_t *p_item, mtime_t i_duration )
254 char psz_buffer[MSTRTIME_MAX_SIZE];
257 p_item->input.i_duration = i_duration;
258 if( i_duration != -1 )
260 secstotimestr( psz_buffer, (int)(i_duration/1000000) );
264 memcpy( psz_buffer, "--:--:--", sizeof("--:--:--") );
266 playlist_ItemAddInfo( p_item, _("General") , _("Duration"),
275 * Guess the type of the item using the beginning of the mrl */
276 static void GuessType( input_item_t *p_item)
279 static struct { char *psz_search; int i_type; } types_array[] =
281 { "http", ITEM_TYPE_NET },
282 { "dvd", ITEM_TYPE_DISC },
283 { "cdda", ITEM_TYPE_DISC },
284 { "mms", ITEM_TYPE_NET },
285 { "rtsp", ITEM_TYPE_NET },
286 { "udp", ITEM_TYPE_NET },
287 { "rtp", ITEM_TYPE_NET },
288 { "vcd", ITEM_TYPE_DISC },
289 { "v4l", ITEM_TYPE_CARD },
290 { "dshow", ITEM_TYPE_CARD },
291 { "pvr", ITEM_TYPE_CARD },
292 { "dvb", ITEM_TYPE_CARD },
293 { "qpsk", ITEM_TYPE_CARD },
294 { "sdp", ITEM_TYPE_NET },
298 for( i = 0; types_array[i].psz_search != NULL; i++ )
300 if( !strncmp( p_item->psz_uri, types_array[i].psz_search,
301 strlen( types_array[i].psz_search ) ) )
303 p_item->i_type = types_array[i].i_type;
307 p_item->i_type = ITEM_TYPE_UNKNOWN;