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[vlc.git] / 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 media_descriptors.
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     libvlc_exception_raise( p_e, "Not supported" );
126 }
127
128 /**************************************************************************
129  *        media_list (Public)
130  **************************************************************************/
131 libvlc_media_list_t *
132 libvlc_media_library_media_list( libvlc_media_library_t * p_mlib,
133                                      libvlc_exception_t * p_e )
134 {
135         (void)p_e;
136     if( p_mlib->p_mlist )
137         libvlc_media_list_retain( p_mlib->p_mlist );
138     return p_mlib->p_mlist;
139 }