git.sesse.net Git - vlc/blob - src/control/media_discoverer.c

   1 /*****************************************************************************
   2  * media_discoverer.c: libvlc new API media discoverer functions
   3  *****************************************************************************
   4  * Copyright (C) 2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
   8  *
   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.
  13  *
  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.
  18  *
  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  *****************************************************************************/
  23
  24 #include "libvlc_internal.h"
  25 #include <vlc/libvlc.h>
  26 #include <assert.h>
  27 #include "vlc_playlist.h"
  28
  29 /*
  30  * Private functions
  31  */
  32
  33 /**************************************************************************
  34  *       services_discovery_item_added (Private) (VLC event callback)
  35  **************************************************************************/
  36
  37 static void services_discovery_item_added( const vlc_event_t * p_event,
  38                                            void * user_data )
  39 {
  40     input_item_t * p_item = p_event->u.services_discovery_item_added.p_new_item;
  41     libvlc_media_descriptor_t * p_md;
  42     libvlc_media_discoverer_t * p_mdis = user_data;
  43
  44     p_md = libvlc_media_descriptor_new_from_input_item(
  45             p_mdis->p_libvlc_instance,
  46             p_item, NULL );
  47
  48     libvlc_media_list_lock( p_mdis->p_mlist );
  49     libvlc_media_list_add_media_descriptor( p_mdis->p_mlist, p_md, NULL );
  50     libvlc_media_list_unlock( p_mdis->p_mlist );
  51 }
  52
  53 /**************************************************************************
  54  *       services_discovery_item_removed (Private) (VLC event callback)
  55  **************************************************************************/
  56
  57 static void services_discovery_item_removed( const vlc_event_t * p_event,
  58                                              void * user_data )
  59 {
  60     /* Not handled */
  61 }
  62
  63 /*
  64  * Public libvlc functions
  65  */
  66
  67 /**************************************************************************
  68  *       new (Public)
  69  *
  70  * Init an object.
  71  **************************************************************************/
  72 libvlc_media_discoverer_t *
  73 libvlc_media_discoverer_new_from_name( libvlc_instance_t * p_inst,
  74                                        const char * psz_name,
  75                                        libvlc_exception_t * p_e )
  76 {
  77     libvlc_media_discoverer_t * p_mdis;
  78
  79     p_mdis = malloc(sizeof(libvlc_media_discoverer_t));
  80     if( !p_mdis )
  81     {
  82         libvlc_exception_raise( p_e, "Not enough memory" );
  83         return NULL;
  84     }
  85
  86     p_mdis->p_libvlc_instance = p_inst;
  87     p_mdis->p_mlist = libvlc_media_list_new( p_inst, NULL );
  88     p_mdis->p_sd = services_discovery_Create( (vlc_object_t*)p_inst->p_libvlc_int, psz_name );
  89
  90     if( !p_mdis->p_sd )
  91     {
  92         free( p_mdis );
  93         libvlc_exception_raise( p_e, "Can't find the services_discovery module named '%s'", psz_name );
  94         return NULL;
  95     }
  96
  97     vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ),
  98                       vlc_ServicesDiscoveryItemAdded,
  99                       services_discovery_item_added,
 100                       p_mdis );
 101     vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ),
 102                       vlc_ServicesDiscoveryItemRemoved,
 103                       services_discovery_item_removed,
 104                       p_mdis );
 105
 106     services_discovery_Start( p_mdis->p_sd );
 107
 108     /* Here we go */
 109
 110     return p_mdis;
 111 }
 112
 113 /**************************************************************************
 114  * release (Public)
 115  **************************************************************************/
 116 void
 117 libvlc_media_discoverer_release( libvlc_media_discoverer_t * p_mdis )
 118 {
 119     libvlc_media_list_release( p_mdis->p_mlist );
 120     services_discovery_Destroy( p_mdis->p_sd );
 121     free( p_mdis );
 122 }
 123
 124 /**************************************************************************
 125  * localized_name (Public)
 126  **************************************************************************/
 127 char *
 128 libvlc_media_discoverer_localized_name( libvlc_media_discoverer_t * p_mdis )
 129 {
 130     return services_discovery_GetLocalizedName( p_mdis->p_sd );
 131 }
 132
 133 /**************************************************************************
 134  * media_list (Public)
 135  **************************************************************************/
 136 libvlc_media_list_t *
 137 libvlc_media_discoverer_media_list( libvlc_media_discoverer_t * p_mdis )
 138 {
 139     libvlc_media_list_retain( p_mdis->p_mlist );
 140     return p_mdis->p_mlist;
 141 }
 142