1 /*****************************************************************************
2 * media_discoverer.c: libvlc new API media discoverer functions
3 *****************************************************************************
4 * Copyright (C) 2007 the VideoLAN team
7 * Authors: Pierre d'Herbemont <pdherbemont # 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 "libvlc_internal.h"
25 #include <vlc/libvlc.h>
27 #include "vlc_services_discovery.h"
33 /**************************************************************************
34 * services_discovery_item_added (Private) (VLC event callback)
35 **************************************************************************/
37 static void services_discovery_item_added( const vlc_event_t * p_event,
40 input_item_t * p_item = p_event->u.services_discovery_item_added.p_new_item;
41 const char * psz_cat = p_event->u.services_discovery_item_added.psz_category;
42 libvlc_media_t * p_md;
43 libvlc_media_discoverer_t * p_mdis = user_data;
44 libvlc_media_list_t * p_mlist = p_mdis->p_mlist;
46 p_md = libvlc_media_new_from_input_item(
47 p_mdis->p_libvlc_instance,
50 /* If we have a category, that mean we have to group the items having
51 * that category in a media_list. */
54 p_mlist = vlc_dictionary_value_for_key( &p_mdis->catname_to_submedialist, psz_cat );
56 if( p_mlist == kVLCDictionaryNotFound )
58 libvlc_media_t * p_catmd;
59 p_catmd = libvlc_media_new_as_node( p_mdis->p_libvlc_instance, psz_cat, NULL );
60 p_mlist = libvlc_media_subitems( p_catmd, NULL );
61 p_mlist->b_read_only = true;
63 /* Insert the newly created mlist in our dictionary */
64 vlc_dictionary_insert( &p_mdis->catname_to_submedialist, psz_cat, p_mlist );
66 /* Insert the md into the root list */
67 libvlc_media_list_lock( p_mdis->p_mlist );
68 _libvlc_media_list_add_media( p_mdis->p_mlist, p_catmd, NULL );
69 libvlc_media_list_unlock( p_mdis->p_mlist );
71 /* We don't release the mlist cause the dictionary
72 * doesn't retain the object. But we release the md. */
73 libvlc_media_release( p_catmd );
78 libvlc_media_list_lock( p_mlist );
79 _libvlc_media_list_add_media( p_mlist, p_md, NULL );
80 libvlc_media_list_unlock( p_mlist );
84 /**************************************************************************
85 * services_discovery_item_removed (Private) (VLC event callback)
86 **************************************************************************/
88 static void services_discovery_item_removed( const vlc_event_t * p_event,
91 input_item_t * p_item = p_event->u.services_discovery_item_added.p_new_item;
92 libvlc_media_t * p_md;
93 libvlc_media_discoverer_t * p_mdis = user_data;
95 int i, count = libvlc_media_list_count( p_mdis->p_mlist, NULL );
96 libvlc_media_list_lock( p_mdis->p_mlist );
97 for( i = 0; i < count; i++ )
99 p_md = libvlc_media_list_item_at_index( p_mdis->p_mlist, i, NULL );
100 if( p_md->p_input_item == p_item )
102 _libvlc_media_list_remove_index( p_mdis->p_mlist, i, NULL );
106 libvlc_media_list_unlock( p_mdis->p_mlist );
109 /**************************************************************************
110 * services_discovery_started (Private) (VLC event callback)
111 **************************************************************************/
113 static void services_discovery_started( const vlc_event_t * p_event,
117 libvlc_media_discoverer_t * p_mdis = user_data;
118 libvlc_event_t event;
119 p_mdis->running = true;
120 event.type = libvlc_MediaDiscovererStarted;
121 libvlc_event_send( p_mdis->p_event_manager, &event );
124 /**************************************************************************
125 * services_discovery_ended (Private) (VLC event callback)
126 **************************************************************************/
128 static void services_discovery_ended( const vlc_event_t * p_event,
132 libvlc_media_discoverer_t * p_mdis = user_data;
133 libvlc_event_t event;
134 p_mdis->running = false;
135 event.type = libvlc_MediaDiscovererEnded;
136 libvlc_event_send( p_mdis->p_event_manager, &event );
140 * Public libvlc functions
143 /**************************************************************************
147 **************************************************************************/
148 libvlc_media_discoverer_t *
149 libvlc_media_discoverer_new_from_name( libvlc_instance_t * p_inst,
150 const char * psz_name,
151 libvlc_exception_t * p_e )
153 libvlc_media_discoverer_t * p_mdis;
155 p_mdis = malloc(sizeof(libvlc_media_discoverer_t));
158 libvlc_exception_raise( p_e, "Not enough memory" );
162 p_mdis->p_libvlc_instance = p_inst;
163 p_mdis->p_mlist = libvlc_media_list_new( p_inst, NULL );
164 p_mdis->p_mlist->b_read_only = true;
165 p_mdis->running = false;
167 vlc_dictionary_init( &p_mdis->catname_to_submedialist, 0 );
169 p_mdis->p_event_manager = libvlc_event_manager_new( p_mdis,
172 libvlc_event_manager_register_event_type( p_mdis->p_event_manager,
173 libvlc_MediaDiscovererStarted, NULL );
174 libvlc_event_manager_register_event_type( p_mdis->p_event_manager,
175 libvlc_MediaDiscovererEnded, NULL );
177 p_mdis->p_sd = vlc_sd_Create( (vlc_object_t*)p_inst->p_libvlc_int );
181 libvlc_media_list_release( p_mdis->p_mlist );
182 libvlc_exception_raise( p_e, "Can't find the services_discovery module named '%s'", psz_name );
187 vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ),
188 vlc_ServicesDiscoveryItemAdded,
189 services_discovery_item_added,
191 vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ),
192 vlc_ServicesDiscoveryItemRemoved,
193 services_discovery_item_removed,
195 vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ),
196 vlc_ServicesDiscoveryStarted,
197 services_discovery_started,
199 vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ),
200 vlc_ServicesDiscoveryEnded,
201 services_discovery_ended,
205 if( !vlc_sd_Start( p_mdis->p_sd, psz_name ) )
207 libvlc_media_list_release( p_mdis->p_mlist );
208 libvlc_exception_raise( p_e, "Can't start the services_discovery module named '%s'", psz_name );
216 /**************************************************************************
218 **************************************************************************/
220 libvlc_media_discoverer_release( libvlc_media_discoverer_t * p_mdis )
224 libvlc_media_list_release( p_mdis->p_mlist );
225 vlc_sd_StopAndDestroy( p_mdis->p_sd );
227 /* Free catname_to_submedialist and all the mlist */
228 char ** all_keys = vlc_dictionary_all_keys( &p_mdis->catname_to_submedialist );
229 for( i = 0; all_keys[i]; i++ )
231 libvlc_media_list_t * p_catmlist = vlc_dictionary_value_for_key( &p_mdis->catname_to_submedialist, all_keys[i] );
232 libvlc_media_list_release( p_catmlist );
237 vlc_dictionary_clear( &p_mdis->catname_to_submedialist, NULL, NULL );
238 libvlc_event_manager_release( p_mdis->p_event_manager );
243 /**************************************************************************
244 * localized_name (Public)
245 **************************************************************************/
247 libvlc_media_discoverer_localized_name( libvlc_media_discoverer_t * p_mdis )
249 return services_discovery_GetLocalizedName( p_mdis->p_sd );
252 /**************************************************************************
253 * media_list (Public)
254 **************************************************************************/
255 libvlc_media_list_t *
256 libvlc_media_discoverer_media_list( libvlc_media_discoverer_t * p_mdis )
258 libvlc_media_list_retain( p_mdis->p_mlist );
259 return p_mdis->p_mlist;
262 /**************************************************************************
263 * event_manager (Public)
264 **************************************************************************/
265 libvlc_event_manager_t *
266 libvlc_media_discoverer_event_manager( libvlc_media_discoverer_t * p_mdis )
268 return p_mdis->p_event_manager;
272 /**************************************************************************
274 **************************************************************************/
276 libvlc_media_discoverer_is_running( libvlc_media_discoverer_t * p_mdis )
278 return p_mdis->running;