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

   1 /*****************************************************************************
   2  * tree.c: libvlc tags tree functions
   3  * Create a tree of the 'tags' of a media_list's medias.
   4  *****************************************************************************
   5  * Copyright (C) 2007 the VideoLAN team
   6  * $Id$
   7  *
   8  * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  28
  29 #include <vlc/libvlc.h>
  30 #include <vlc/libvlc_media.h>
  31 #include <vlc/libvlc_media_list.h>
  32 #include <vlc/libvlc_media_library.h>
  33 #include <vlc/libvlc_events.h>
  34
  35 #include <vlc_common.h>
  36
  37 #include "libvlc_internal.h"
  38
  39 struct libvlc_media_library_t
  40 {
  41     libvlc_event_manager_t * p_event_manager;
  42     libvlc_instance_t *      p_libvlc_instance;
  43     int                      i_refcount;
  44     libvlc_media_list_t *    p_mlist;
  45 };
  46
  47
  48 /*
  49  * Private functions
  50  */
  51
  52 /*
  53  * Public libvlc functions
  54  */
  55
  56 /**************************************************************************
  57  *       new (Public)
  58  **************************************************************************/
  59 libvlc_media_library_t *
  60 libvlc_media_library_new( libvlc_instance_t * p_inst,
  61                           libvlc_exception_t * p_e )
  62 {
  63     (void)p_e;
  64     libvlc_media_library_t * p_mlib;
  65
  66     p_mlib = malloc(sizeof(libvlc_media_library_t));
  67
  68     if( !p_mlib )
  69         return NULL;
  70
  71     p_mlib->p_libvlc_instance = p_inst;
  72     p_mlib->i_refcount = 1;
  73     p_mlib->p_mlist = NULL;
  74
  75     p_mlib->p_event_manager = libvlc_event_manager_new( p_mlib, p_inst, p_e );
  76
  77     return p_mlib;
  78 }
  79
  80 /**************************************************************************
  81  *       release (Public)
  82  **************************************************************************/
  83 void libvlc_media_library_release( libvlc_media_library_t * p_mlib )
  84 {
  85     p_mlib->i_refcount--;
  86
  87     if( p_mlib->i_refcount > 0 )
  88         return;
  89
  90     libvlc_event_manager_release( p_mlib->p_event_manager );
  91     free( p_mlib );
  92 }
  93
  94 /**************************************************************************
  95  *       retain (Public)
  96  **************************************************************************/
  97 void libvlc_media_library_retain( libvlc_media_library_t * p_mlib )
  98 {
  99     p_mlib->i_refcount++;
 100 }
 101
 102 /**************************************************************************
 103  *       load (Public)
 104  *
 105  * It doesn't yet load the playlists
 106  **************************************************************************/
 107 void
 108 libvlc_media_library_load( libvlc_media_library_t * p_mlib,
 109                            libvlc_exception_t * p_e )
 110 {
 111     char *psz_datadir = config_GetUserDataDir();
 112     char * psz_uri;
 113
 114     if( !psz_datadir ) /* XXX: i doubt that this can ever happen */
 115     {
 116         libvlc_exception_raise( p_e, "Can't get data directory" );
 117         return;
 118     }
 119
 120     if( asprintf( &psz_uri, "file/xspf-open://%s" DIR_SEP "ml.xsp",
 121                   psz_datadir ) == -1 )
 122     {
 123         free( psz_datadir );
 124         libvlc_exception_raise( p_e, "Can't get create the path" );
 125         return;
 126     }
 127     free( psz_datadir );
 128     if( p_mlib->p_mlist )
 129         libvlc_media_list_release( p_mlib->p_mlist );
 130
 131     p_mlib->p_mlist = libvlc_media_list_new(
 132                         p_mlib->p_libvlc_instance,
 133                         p_e );
 134
 135     libvlc_media_list_add_file_content( p_mlib->p_mlist, psz_uri, p_e );
 136     free( psz_uri );
 137     return;
 138 }
 139
 140 /**************************************************************************
 141  *       save (Public)
 142  **************************************************************************/
 143 void
 144 libvlc_media_library_save( libvlc_media_library_t * p_mlib,
 145                            libvlc_exception_t * p_e )
 146 {
 147     (void)p_mlib;
 148     libvlc_exception_raise( p_e, "Not supported" );
 149 }
 150
 151 /**************************************************************************
 152  *        media_list (Public)
 153  **************************************************************************/
 154 libvlc_media_list_t *
 155 libvlc_media_library_media_list( libvlc_media_library_t * p_mlib,
 156                                      libvlc_exception_t * p_e )
 157 {
 158     (void)p_e;
 159     if( p_mlib->p_mlist )
 160         libvlc_media_list_retain( p_mlib->p_mlist );
 161     return p_mlib->p_mlist;
 162 }