1 /*****************************************************************************
2 * services_discovery.c : Manage playlist services_discovery modules
3 *****************************************************************************
4 * Copyright (C) 1999-2004 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 *****************************************************************************/
24 #include "vlc_playlist.h"
25 #include "vlc_events.h"
26 #include "playlist_internal.h"
28 static void RunSD( services_discovery_t *p_sd );
32 * Basically you just listen to Service discovery event through the
34 * That's how the playlist get's Service Discovery information
37 /***********************************************************************
39 ***********************************************************************/
40 char ** services_discovery_GetServicesNames( vlc_object_t * p_super )
42 return module_GetModulesNamesForCapability( p_super, "services_discovery" );
45 /***********************************************************************
47 ***********************************************************************/
48 services_discovery_t *
49 services_discovery_Create ( vlc_object_t * p_super, const char * psz_module_name )
51 services_discovery_t *p_sd = vlc_object_create( p_super, VLC_OBJECT_SD );
56 p_sd->psz_localized_name = NULL;
58 vlc_event_manager_init( &p_sd->event_manager, p_sd, (vlc_object_t *)p_sd );
59 vlc_event_manager_register_event_type( &p_sd->event_manager,
60 vlc_ServicesDiscoveryItemAdded );
61 vlc_event_manager_register_event_type( &p_sd->event_manager,
62 vlc_ServicesDiscoveryItemRemoved );
64 p_sd->p_module = module_Need( p_sd, "services_discovery", psz_module_name, 0 );
66 if( p_sd->p_module == NULL )
68 msg_Err( p_super, "no suitable services discovery module" );
69 vlc_object_destroy( p_sd );
72 p_sd->psz_module = strdup( psz_module_name );
73 p_sd->b_die = VLC_FALSE; /* FIXME */
78 /***********************************************************************
80 ***********************************************************************/
81 void services_discovery_Destroy ( services_discovery_t * p_sd )
83 vlc_event_manager_fini( &p_sd->event_manager );
85 free( p_sd->psz_module );
86 free( p_sd->psz_localized_name );
88 vlc_object_destroy( p_sd );
91 /***********************************************************************
93 ***********************************************************************/
94 int services_discovery_Start ( services_discovery_t * p_sd )
96 if ((p_sd->pf_run != NULL)
97 && vlc_thread_create( p_sd, "services_discovery", RunSD,
98 VLC_THREAD_PRIORITY_LOW, VLC_FALSE))
100 msg_Err( p_sd, "cannot create services discovery thread" );
101 vlc_object_destroy( p_sd );
107 /***********************************************************************
109 ***********************************************************************/
110 void services_discovery_Stop ( services_discovery_t * p_sd )
112 vlc_object_kill( p_sd );
113 if( p_sd->pf_run ) vlc_thread_join( p_sd );
115 module_Unneed( p_sd, p_sd->p_module );
118 /***********************************************************************
120 ***********************************************************************/
122 services_discovery_GetLocalizedName ( services_discovery_t * p_sd )
124 return p_sd->psz_localized_name ? strdup( p_sd->psz_localized_name ) : NULL;
127 /***********************************************************************
129 ***********************************************************************/
131 services_discovery_SetLocalizedName ( services_discovery_t * p_sd, const char *psz )
133 if(p_sd->psz_localized_name) free( p_sd->psz_localized_name );
134 p_sd->psz_localized_name = strdup(psz);
137 /***********************************************************************
139 ***********************************************************************/
140 vlc_event_manager_t *
141 services_discovery_EventManager ( services_discovery_t * p_sd )
143 return &p_sd->event_manager;
146 /***********************************************************************
148 ***********************************************************************/
150 services_discovery_AddItem ( services_discovery_t * p_sd, input_item_t * p_item,
151 const char * psz_category )
154 event.type = vlc_ServicesDiscoveryItemAdded;
155 event.u.services_discovery_item_added.p_new_item = p_item;
156 event.u.services_discovery_item_added.psz_category = psz_category;
158 vlc_event_send( &p_sd->event_manager, &event );
161 /***********************************************************************
163 ***********************************************************************/
165 services_discovery_RemoveItem ( services_discovery_t * p_sd, input_item_t * p_item )
168 event.type = vlc_ServicesDiscoveryItemRemoved;
169 event.u.services_discovery_item_removed.p_item = p_item;
171 vlc_event_send( &p_sd->event_manager, &event );
174 /***********************************************************************
176 ***********************************************************************/
177 static void RunSD( services_discovery_t *p_sd )
179 p_sd->pf_run( p_sd );
184 * Playlist - Services discovery bridge
187 /* A new item has been added to a certain sd */
188 static void playlist_sd_item_added( const vlc_event_t * p_event, void * user_data )
190 input_item_t * p_input = p_event->u.services_discovery_item_added.p_new_item;
191 const char * psz_cat = p_event->u.services_discovery_item_added.psz_category;
192 playlist_item_t *p_new_item, * p_parent = user_data;
194 msg_Dbg( p_parent->p_playlist, "Adding %s in %s",
195 p_input->psz_name ? p_input->psz_name : "(null)",
196 psz_cat ? psz_cat : "(null)" );
198 /* If p_parent is in root category (this is clearly a hack) and we have a cat */
199 if( !EMPTY_STR(psz_cat) &&
200 p_parent->p_parent == p_parent->p_playlist->p_root_category )
203 playlist_item_t * p_cat;
204 p_cat = playlist_ChildSearchName( p_parent, psz_cat );
207 p_cat = playlist_NodeCreate( p_parent->p_playlist, psz_cat,
209 p_cat->i_flags &= ~PLAYLIST_SKIP_FLAG;
214 p_new_item = playlist_NodeAddInput( p_parent->p_playlist, p_input, p_parent,
215 PLAYLIST_APPEND, PLAYLIST_END, VLC_FALSE );
216 p_new_item->i_flags &= ~PLAYLIST_SKIP_FLAG;
217 p_new_item->i_flags &= ~PLAYLIST_SAVE_FLAG;
220 /* A new item has been removed from a certain sd */
221 static void playlist_sd_item_removed( const vlc_event_t * p_event, void * user_data )
223 input_item_t * p_input = p_event->u.services_discovery_item_removed.p_item;
224 playlist_item_t * p_parent = user_data;
226 playlist_DeleteInputInParent( p_parent->p_playlist, p_input->i_id,
227 p_parent, VLC_FALSE );
230 int playlist_ServicesDiscoveryAdd( playlist_t *p_playlist, const char *psz_modules )
232 const char *psz_parser = psz_modules ?: "";
233 int retval = VLC_SUCCESS;
237 struct playlist_archived_services_discovery_t * p_asd;
238 playlist_item_t * p_cat;
239 playlist_item_t * p_one;
241 while( *psz_parser == ' ' || *psz_parser == ':' || *psz_parser == ',' )
244 if( *psz_parser == '\0' )
247 const char *psz_next = strchr( psz_parser, ':' );
248 if( psz_next == NULL )
249 psz_next = psz_parser + strlen( psz_parser );
251 char psz_plugin[psz_next - psz_parser + 1];
252 memcpy (psz_plugin, psz_parser, sizeof (psz_plugin) - 1);
253 psz_plugin[sizeof (psz_plugin) - 1] = '\0';
254 psz_parser = psz_next;
256 /* Perform the addition */
257 msg_Dbg( p_playlist, "Add services_discovery %s", psz_plugin );
258 services_discovery_t *p_sd;
260 p_sd = services_discovery_Create( (vlc_object_t*)p_playlist, psz_plugin );
264 char * psz = services_discovery_GetLocalizedName( p_sd );
267 playlist_NodesPairCreate( p_playlist, psz,
268 &p_cat, &p_one, VLC_FALSE );
273 /* No name, just add at the top of the playlist */
275 p_cat = p_playlist->p_root_category;
276 p_one = p_playlist->p_root_onelevel;
280 vlc_event_attach( services_discovery_EventManager( p_sd ),
281 vlc_ServicesDiscoveryItemAdded,
282 playlist_sd_item_added,
285 vlc_event_attach( services_discovery_EventManager( p_sd ),
286 vlc_ServicesDiscoveryItemAdded,
287 playlist_sd_item_added,
290 vlc_event_attach( services_discovery_EventManager( p_sd ),
291 vlc_ServicesDiscoveryItemRemoved,
292 playlist_sd_item_removed,
295 vlc_event_attach( services_discovery_EventManager( p_sd ),
296 vlc_ServicesDiscoveryItemRemoved,
297 playlist_sd_item_removed,
300 services_discovery_Start( p_sd );
302 /* Free in playlist_ServicesDiscoveryRemove */
303 p_asd = malloc( sizeof(struct playlist_archived_services_discovery_t) );
305 p_asd->p_one = p_one;
306 p_asd->p_cat = p_cat;
309 TAB_APPEND( p_playlist->p_internal->i_asds, p_playlist->p_internal->pp_asds, p_asd );
316 int playlist_ServicesDiscoveryRemove( playlist_t * p_playlist,
317 const char *psz_module )
320 struct playlist_archived_services_discovery_t *p_asd = NULL;
323 for( i = 0 ; i< p_playlist->p_internal->i_asds ; i ++ )
325 if( !strcmp( psz_module, p_playlist->p_internal->pp_asds[i]->p_sd->psz_module ) )
327 p_asd = p_playlist->p_internal->pp_asds[i];
328 REMOVE_ELEM( p_playlist->p_internal->pp_asds, p_playlist->p_internal->i_asds, i );
334 if( p_asd && p_asd->p_sd )
336 services_discovery_Stop( p_asd->p_sd );
338 vlc_event_detach( services_discovery_EventManager( p_asd->p_sd ),
339 vlc_ServicesDiscoveryItemAdded,
340 playlist_sd_item_added,
343 vlc_event_detach( services_discovery_EventManager( p_asd->p_sd ),
344 vlc_ServicesDiscoveryItemAdded,
345 playlist_sd_item_added,
348 vlc_event_detach( services_discovery_EventManager( p_asd->p_sd ),
349 vlc_ServicesDiscoveryItemRemoved,
350 playlist_sd_item_removed,
353 vlc_event_detach( services_discovery_EventManager( p_asd->p_sd ),
354 vlc_ServicesDiscoveryItemRemoved,
355 playlist_sd_item_removed,
358 /* Remove the sd playlist node if it exists */
360 if( p_asd->p_cat != p_playlist->p_root_category &&
361 p_asd->p_one != p_playlist->p_root_onelevel )
363 playlist_NodeDelete( p_playlist, p_asd->p_cat, VLC_TRUE, VLC_FALSE );
364 playlist_NodeDelete( p_playlist, p_asd->p_one, VLC_TRUE, VLC_FALSE );
368 services_discovery_Destroy( p_asd->p_sd );
374 msg_Warn( p_playlist, "module %s is not loaded", psz_module );
380 vlc_bool_t playlist_IsServicesDiscoveryLoaded( playlist_t * p_playlist,
381 const char *psz_module )
386 for( i = 0 ; i< p_playlist->p_internal->i_asds ; i ++ )
388 if( !strcmp( psz_module, p_playlist->p_internal->pp_asds[i]->p_sd->psz_module ) )