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 services_discovery_t *
41 services_discovery_Create ( vlc_object_t * p_super, const char * psz_module_name )
43 services_discovery_t *p_sd = vlc_object_create( p_super, VLC_OBJECT_SD );
48 p_sd->psz_localized_name = NULL;
50 vlc_event_manager_init( &p_sd->event_manager, p_sd, (vlc_object_t *)p_sd );
51 vlc_event_manager_register_event_type( &p_sd->event_manager,
52 vlc_ServicesDiscoveryItemAdded );
53 vlc_event_manager_register_event_type( &p_sd->event_manager,
54 vlc_ServicesDiscoveryItemRemoved );
56 p_sd->p_module = module_Need( p_sd, "services_discovery", psz_module_name, 0 );
58 if( p_sd->p_module == NULL )
60 msg_Err( p_super, "no suitable services discovery module" );
61 vlc_object_destroy( p_sd );
64 p_sd->psz_module = strdup( psz_module_name );
65 p_sd->b_die = VLC_FALSE; /* FIXME */
70 /***********************************************************************
72 ***********************************************************************/
73 void services_discovery_Destroy ( services_discovery_t * p_sd )
75 vlc_object_kill( p_sd );
76 if( p_sd->pf_run ) vlc_thread_join( p_sd );
78 free( p_sd->psz_module );
79 module_Unneed( p_sd, p_sd->p_module );
81 vlc_event_manager_fini( &p_sd->event_manager );
82 free( p_sd->psz_localized_name );
84 vlc_object_destroy( p_sd );
87 /***********************************************************************
89 ***********************************************************************/
90 int services_discovery_Start ( services_discovery_t * p_sd )
92 if ((p_sd->pf_run != NULL)
93 && vlc_thread_create( p_sd, "services_discovery", RunSD,
94 VLC_THREAD_PRIORITY_LOW, VLC_FALSE))
96 msg_Err( p_sd, "cannot create services discovery thread" );
97 vlc_object_destroy( p_sd );
103 /***********************************************************************
105 ***********************************************************************/
107 services_discovery_GetLocalizedName ( services_discovery_t * p_sd )
109 return p_sd->psz_localized_name ? strdup( p_sd->psz_localized_name ) : NULL;
112 /***********************************************************************
114 ***********************************************************************/
116 services_discovery_SetLocalizedName ( services_discovery_t * p_sd, const char *psz )
118 if(p_sd->psz_localized_name) free( p_sd->psz_localized_name );
119 p_sd->psz_localized_name = strdup(psz);
122 /***********************************************************************
124 ***********************************************************************/
125 vlc_event_manager_t *
126 services_discovery_EventManager ( services_discovery_t * p_sd )
128 return &p_sd->event_manager;
131 /***********************************************************************
133 ***********************************************************************/
135 services_discovery_AddItem ( services_discovery_t * p_sd, input_item_t * p_item,
136 const char * psz_category )
139 event.type = vlc_ServicesDiscoveryItemAdded;
140 event.u.services_discovery_item_added.p_new_item = p_item;
141 event.u.services_discovery_item_added.psz_category = psz_category;
143 vlc_event_send( &p_sd->event_manager, &event );
146 /***********************************************************************
148 ***********************************************************************/
150 services_discovery_RemoveItem ( services_discovery_t * p_sd, input_item_t * p_item )
153 event.type = vlc_ServicesDiscoveryItemRemoved;
154 event.u.services_discovery_item_removed.p_item = p_item;
156 vlc_event_send( &p_sd->event_manager, &event );
159 /***********************************************************************
161 ***********************************************************************/
162 static void RunSD( services_discovery_t *p_sd )
164 p_sd->pf_run( p_sd );
169 * Playlist - Services discovery bridge
172 /* A new item has been added to a certain sd */
173 static void playlist_sd_item_added( const vlc_event_t * p_event, void * user_data )
175 input_item_t * p_input = p_event->u.services_discovery_item_added.p_new_item;
176 const char * psz_cat = p_event->u.services_discovery_item_added.psz_category;
177 playlist_item_t *p_new_item, * p_parent = user_data;
179 msg_Dbg( p_parent->p_playlist, "Adding %s in %s", p_input->psz_name, psz_cat );
181 /* If p_child is in root category (this is clearly a hack) and we have a cat*/
182 if( !EMPTY_STR(psz_cat) &&
183 p_parent == playlist_ItemToNode( p_parent->p_playlist, p_parent, VLC_FALSE ) )
186 playlist_item_t * p_cat;
187 p_cat = playlist_ChildSearchName( p_parent, psz_cat );
190 p_cat = playlist_NodeCreate( p_parent->p_playlist, psz_cat,
192 p_cat->i_flags &= ~PLAYLIST_SKIP_FLAG;
197 p_new_item = playlist_NodeAddInput( p_parent->p_playlist, p_input, p_parent,
198 PLAYLIST_APPEND, PLAYLIST_END, VLC_FALSE );
199 p_new_item->i_flags &= ~PLAYLIST_SKIP_FLAG;
200 p_new_item->i_flags &= ~PLAYLIST_SAVE_FLAG;
203 /* A new item has been removed from a certain sd */
204 static void playlist_sd_item_removed( const vlc_event_t * p_event, void * user_data )
206 playlist_item_t * p_child = user_data;
208 msg_Err( p_child->p_playlist, "Service Discovery item deletion not handled" );
211 int playlist_ServicesDiscoveryAdd( playlist_t *p_playlist, const char *psz_modules )
213 const char *psz_parser = psz_modules ?: "";
214 int retval = VLC_SUCCESS;
218 playlist_item_t * p_cat, * p_one;
219 while( *psz_parser == ' ' || *psz_parser == ':' || *psz_parser == ',' )
222 if( *psz_parser == '\0' )
225 const char *psz_next = strchr( psz_parser, ':' );
226 if( psz_next == NULL )
227 psz_next = psz_parser + strlen( psz_parser );
229 char psz_plugin[psz_next - psz_parser + 1];
230 memcpy (psz_plugin, psz_parser, sizeof (psz_plugin) - 1);
231 psz_plugin[sizeof (psz_plugin) - 1] = '\0';
232 psz_parser = psz_next;
234 /* Perform the addition */
235 msg_Dbg( p_playlist, "Add services_discovery %s", psz_plugin );
236 services_discovery_t *p_sd;
238 p_sd = services_discovery_Create( (vlc_object_t*)p_playlist, psz_plugin );
242 char * psz = services_discovery_GetLocalizedName( p_sd );
245 playlist_NodesPairCreate( p_playlist, psz,
246 &p_cat, &p_one, VLC_FALSE );
251 /* No name, just add at the top of the playlist */
252 p_cat = p_playlist->p_root_category;
253 p_one = p_playlist->p_root_onelevel;
256 vlc_event_attach( services_discovery_EventManager( p_sd ),
257 vlc_ServicesDiscoveryItemAdded,
258 playlist_sd_item_added,
261 vlc_event_attach( services_discovery_EventManager( p_sd ),
262 vlc_ServicesDiscoveryItemAdded,
263 playlist_sd_item_added,
266 vlc_event_attach( services_discovery_EventManager( p_sd ),
267 vlc_ServicesDiscoveryItemRemoved,
268 playlist_sd_item_removed,
271 vlc_event_attach( services_discovery_EventManager( p_sd ),
272 vlc_ServicesDiscoveryItemRemoved,
273 playlist_sd_item_removed,
276 services_discovery_Start( p_sd );
279 TAB_APPEND( p_playlist->i_sds, p_playlist->pp_sds, p_sd );
286 int playlist_ServicesDiscoveryRemove( playlist_t * p_playlist,
287 const char *psz_module )
290 services_discovery_t *p_sd = NULL;
293 for( i = 0 ; i< p_playlist->i_sds ; i ++ )
295 if( !strcmp( psz_module, p_playlist->pp_sds[i]->psz_module ) )
297 p_sd = p_playlist->pp_sds[i];
298 REMOVE_ELEM( p_playlist->pp_sds, p_playlist->i_sds, i );
306 services_discovery_Destroy( p_sd );
310 msg_Warn( p_playlist, "module %s is not loaded", psz_module );
316 vlc_bool_t playlist_IsServicesDiscoveryLoaded( playlist_t * p_playlist,
317 const char *psz_module )
322 for( i = 0 ; i< p_playlist->i_sds ; i ++ )
324 if( !strcmp( psz_module, p_playlist->pp_sds[i]->psz_module ) )