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 #include "libvlc_internal.h"
  25 #include <vlc/libvlc.h>
  26 #include "vlc_arrays.h"
  27
  28 /*
  29  * Private functions
  30  */
  31
  32 /*
  33  * Public libvlc functions
  34  */
  35
  36 /**************************************************************************
  37  *       new (Public)
  38  **************************************************************************/
  39 libvlc_media_library_t *
  40 libvlc_media_library_new( libvlc_instance_t * p_inst,
  41                           libvlc_exception_t * p_e )
  42 {
  43     (void)p_e;
  44     libvlc_media_library_t * p_mlib;
  45
  46     p_mlib = malloc(sizeof(libvlc_media_library_t));
  47
  48     if( !p_mlib )
  49         return NULL;
  50
  51     p_mlib->p_libvlc_instance = p_inst;
  52     p_mlib->i_refcount = 1;
  53     p_mlib->p_mlist = NULL;
  54
  55     p_mlib->p_event_manager = libvlc_event_manager_new( p_mlib, p_inst, p_e );
  56
  57     return p_mlib;
  58 }
  59
  60 /**************************************************************************
  61  *       release (Public)
  62  **************************************************************************/
  63 void libvlc_media_library_release( libvlc_media_library_t * p_mlib )
  64 {
  65     p_mlib->i_refcount--;
  66
  67     if( p_mlib->i_refcount > 0 )
  68         return;
  69
  70     libvlc_event_manager_release( p_mlib->p_event_manager );
  71     free( p_mlib );
  72 }
  73
  74 /**************************************************************************
  75  *       retain (Public)
  76  **************************************************************************/
  77 void libvlc_media_library_retain( libvlc_media_library_t * p_mlib )
  78 {
  79     p_mlib->i_refcount++;
  80 }
  81
  82 /**************************************************************************
  83  *       load (Public)
  84  *
  85  * It doesn't yet load the playlists
  86  **************************************************************************/
  87 void
  88 libvlc_media_library_load( libvlc_media_library_t * p_mlib,
  89                            libvlc_exception_t * p_e )
  90 {
  91     const char *psz_datadir = p_mlib->p_libvlc_instance->p_libvlc_int->psz_datadir;
  92     char * psz_uri;
  93
  94     if( !psz_datadir ) /* XXX: i doubt that this can ever happen */
  95     {
  96         libvlc_exception_raise( p_e, "Can't get data directory" );
  97         return;
  98     }
  99
 100     if( asprintf( &psz_uri, "file/xspf-open://%s" DIR_SEP "ml.xsp",
 101                   psz_datadir ) == -1 )
 102     {
 103         libvlc_exception_raise( p_e, "Can't get create the path" );
 104         return;
 105     }
 106     if( p_mlib->p_mlist )
 107         libvlc_media_list_release( p_mlib->p_mlist );
 108
 109     p_mlib->p_mlist = libvlc_media_list_new(
 110                         p_mlib->p_libvlc_instance,
 111                         p_e );
 112
 113     libvlc_media_list_add_file_content( p_mlib->p_mlist, psz_uri, p_e );
 114     free( psz_uri );
 115     return;
 116 }
 117
 118 /**************************************************************************
 119  *       save (Public)
 120  **************************************************************************/
 121 void
 122 libvlc_media_library_save( libvlc_media_library_t * p_mlib,
 123                            libvlc_exception_t * p_e )
 124 {
 125     (void)p_mlib;
 126     libvlc_exception_raise( p_e, "Not supported" );
 127 }
 128
 129 /**************************************************************************
 130  *        media_list (Public)
 131  **************************************************************************/
 132 libvlc_media_list_t *
 133 libvlc_media_library_media_list( libvlc_media_library_t * p_mlib,
 134                                      libvlc_exception_t * p_e )
 135 {
 136     (void)p_e;
 137     if( p_mlib->p_mlist )
 138         libvlc_media_list_retain( p_mlib->p_mlist );
 139     return p_mlib->p_mlist;
 140 }