]> git.sesse.net Git - vlc/blob - src/playlist/loadsave.c
* Remove some unneeded complexity in playlist and directory
[vlc] / src / playlist / loadsave.c
1 /*****************************************************************************
2  * loadsave.c : Playlist loading / saving functions
3  *****************************************************************************
4  * Copyright (C) 1999-2004 the VideoLAN team
5  * $Id$
6  *
7  * Authors: Samuel Hocevar <sam@zoy.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 #include <vlc/vlc.h>
24 #include <vlc/input.h>
25 #include "vlc_playlist.h"
26 #include "playlist_internal.h"
27 #include "charset.h"
28 #include <errno.h>
29
30 /**
31  * Export a node of the playlist to a certain type of playlistfile
32  *
33  * \param p_playlist the playlist to export
34  * \param psz_filename the location where the exported file will be saved
35  * \param p_export_root the root node to export
36  * \param psz_type the type of playlist file to create.
37  * \return VLC_SUCCESS on success
38  */
39 int playlist_Export( playlist_t * p_playlist, const char *psz_filename ,
40                      playlist_item_t *p_export_root,const char *psz_type )
41 {
42     module_t *p_module;
43     playlist_export_t *p_export;
44
45     if( p_export_root == NULL ) return VLC_EGENERIC;
46
47     msg_Info( p_playlist, "saving %s to file %s",
48                     p_export_root->p_input->psz_name, psz_filename );
49
50     /* Prepare the playlist_export_t structure */
51     p_export = (playlist_export_t *)malloc( sizeof(playlist_export_t) );
52     if( !p_export)
53     {
54         msg_Err( p_playlist, "out of memory" );
55         return VLC_ENOMEM;
56     }
57     p_export->psz_filename = NULL;
58     if ( psz_filename )
59         p_export->psz_filename = strdup( psz_filename );
60     p_export->p_file = utf8_fopen( psz_filename, "wt" );
61     if( !p_export->p_file )
62     {
63         msg_Err( p_playlist , "could not create playlist file %s"
64                  " (%s)", psz_filename, strerror(errno) );
65         return VLC_EGENERIC;
66     }
67
68     p_export->p_root = p_export_root;
69
70     /* Lock the playlist */
71     vlc_mutex_lock( &p_playlist->object_lock );
72     p_playlist->p_private = (void *)p_export;
73
74     /* And call the module ! All work is done now */
75     p_module = module_Need( p_playlist, "playlist export", psz_type, VLC_TRUE);
76     if( !p_module )
77     {
78         msg_Warn( p_playlist, "exporting playlist failed" );
79         vlc_mutex_unlock( &p_playlist->object_lock );
80         return VLC_ENOOBJ;
81     }
82     module_Unneed( p_playlist , p_module );
83
84     /* Clean up */
85     fclose( p_export->p_file );
86     if ( p_export->psz_filename )
87         free( p_export->psz_filename );
88     free ( p_export );
89     p_playlist->p_private = NULL;
90     vlc_mutex_unlock( &p_playlist->object_lock );
91
92     return VLC_SUCCESS;
93 }
94
95 int playlist_MLLoad( playlist_t *p_playlist )
96 {
97     char *psz_uri, *psz_homedir =p_playlist->p_libvlc->psz_homedir;
98     input_item_t *p_input;
99
100     if( !config_GetInt( p_playlist, "media-library") ) return VLC_SUCCESS;
101     if( !psz_homedir )
102     {
103         msg_Err( p_playlist, "no home directory, cannot load media library") ;
104         return VLC_EGENERIC;
105     }
106     asprintf( &psz_uri, "file/xspf-open://%s" DIR_SEP CONFIG_DIR DIR_SEP
107                         "ml.xsp", psz_homedir );
108
109     p_input = input_ItemNewExt( p_playlist, psz_uri,
110                                 _("Media Library"), 0, NULL, -1 );
111     p_playlist->p_ml_category->p_input = p_input;
112     p_playlist->p_ml_onelevel->p_input = p_input;
113
114     p_playlist->b_doing_ml = VLC_TRUE;
115     stats_TimerStart( p_playlist, "ML Load", STATS_TIMER_ML_LOAD );
116     input_Read( p_playlist, p_input, VLC_TRUE );
117     stats_TimerStop( p_playlist,STATS_TIMER_ML_LOAD );
118     p_playlist->b_doing_ml = VLC_FALSE;
119
120     free( psz_uri );
121     return VLC_SUCCESS;
122 }
123
124 int playlist_MLDump( playlist_t *p_playlist )
125 {
126     char *psz_uri, *psz_homedir =p_playlist->p_libvlc->psz_homedir;
127     if( !config_GetInt( p_playlist, "media-library") ) return VLC_SUCCESS;
128     if( !psz_homedir )
129     {
130         msg_Err( p_playlist, "no home directory, cannot load media library") ;
131         return VLC_EGENERIC;
132     }
133     asprintf( &psz_uri, "%s" DIR_SEP CONFIG_DIR DIR_SEP
134                         "ml.xsp",  psz_homedir );
135     stats_TimerStart( p_playlist, "ML Dump", STATS_TIMER_ML_DUMP );
136     playlist_Export( p_playlist, psz_uri, p_playlist->p_ml_category,
137                      "export-xspf" );
138     stats_TimerStop( p_playlist, STATS_TIMER_ML_DUMP );
139
140     free( psz_uri );
141     return VLC_SUCCESS;
142 }