1 /*****************************************************************************
2 * loadsave.c : Playlist loading / saving functions
3 *****************************************************************************
4 * Copyright (C) 1999-2004 the VideoLAN team
7 * Authors: Samuel Hocevar <sam@zoy.org>
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.
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.
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 *****************************************************************************/
27 #include <vlc_common.h>
28 #include <vlc_playlist.h>
29 #include <vlc_events.h>
30 #include "playlist_internal.h"
31 #include "config/configuration.h"
32 #include <vlc_charset.h>
35 #include <sys/types.h>
40 int playlist_Export( playlist_t * p_playlist, const char *psz_filename,
41 playlist_item_t *p_export_root, const char *psz_type )
43 if( p_export_root == NULL ) return VLC_EGENERIC;
45 playlist_export_t *p_export =
46 vlc_custom_create( p_playlist, sizeof( *p_export ), VLC_OBJECT_GENERIC,
51 vlc_object_attach( p_export, p_playlist );
52 msg_Dbg( p_export, "saving %s to file %s",
53 p_export_root->p_input->psz_name, psz_filename );
55 int ret = VLC_EGENERIC;
57 /* Prepare the playlist_export_t structure */
58 p_export->p_root = p_export_root;
59 p_export->psz_filename = psz_filename;
60 p_export->p_file = utf8_fopen( psz_filename, "wt" );
61 if( p_export->p_file == NULL )
62 msg_Err( p_export, "could not create playlist file %s (%m)",
68 /* And call the module ! All work is done now */
69 playlist_Lock( p_playlist );
70 p_module = module_need( p_export, "playlist export", psz_type, true );
71 playlist_Unlock( p_playlist );
73 if( p_module == NULL )
74 msg_Err( p_playlist, "could not export playlist" );
77 module_unneed( p_export, p_module );
80 fclose( p_export->p_file );
82 vlc_object_release( p_export );
86 int playlist_Import( playlist_t *p_playlist, const char *psz_file )
88 input_item_t *p_input;
89 const char *const psz_option = "meta-file";
90 char *psz_uri = make_URI( psz_file );
95 p_input = input_item_NewExt( p_playlist, psz_uri, psz_file,
96 1, &psz_option, VLC_INPUT_OPTION_TRUSTED, -1 );
99 playlist_AddInput( p_playlist, p_input, PLAYLIST_APPEND, PLAYLIST_END,
101 return input_Read( p_playlist, p_input, true );
104 /*****************************************************************************
105 * A subitem has been added to the Media Library (Event Callback)
106 *****************************************************************************/
107 static void input_item_subitem_added( const vlc_event_t * p_event,
110 playlist_t *p_playlist = user_data;
111 input_item_t *p_item = p_event->u.input_item_subitem_added.p_new_child;
113 /* playlist_AddInput() can fail, but we have no way to report that ..
114 * Any way when it has failed, either the playlist is dying, either OOM */
115 playlist_AddInput( p_playlist, p_item, PLAYLIST_APPEND, PLAYLIST_END,
116 false, pl_Unlocked );
119 int playlist_MLLoad( playlist_t *p_playlist )
122 char *psz_uri = NULL;
123 input_item_t *p_input;
125 if( !config_GetInt( p_playlist, "media-library") )
128 psz_datadir = config_GetUserDataDir();
130 if( !psz_datadir ) /* XXX: This should never happen */
132 msg_Err( p_playlist, "no data directory, cannot load media library") ;
136 if( asprintf( &psz_uri, "%s" DIR_SEP "ml.xspf", psz_datadir ) != -1 )
137 { /* loosy check for media library file */
139 int ret = utf8_stat( psz_uri , &st );
148 psz_uri = make_URI( psz_datadir );
150 psz_datadir = psz_uri;
151 if( psz_datadir == NULL )
154 /* Force XSPF demux (psz_datadir was a path, now it is a file URI) */
155 if( asprintf( &psz_uri, "file/xspf-open%s/ml.xspf", psz_datadir+4 ) == -1 )
159 if( psz_uri == NULL )
162 const char *const options[1] = { "meta-file", };
163 /* that option has to be cleaned in input_item_subitem_added() */
164 /* vlc_gc_decref() in the same function */
165 p_input = input_item_NewExt( p_playlist, psz_uri, _("Media Library"),
166 1, options, VLC_INPUT_OPTION_TRUSTED, -1 );
168 if( p_input == NULL )
172 if( p_playlist->p_ml_onelevel->p_input )
173 vlc_gc_decref( p_playlist->p_ml_onelevel->p_input );
174 if( p_playlist->p_ml_category->p_input )
175 vlc_gc_decref( p_playlist->p_ml_category->p_input );
177 p_playlist->p_ml_onelevel->p_input =
178 p_playlist->p_ml_category->p_input = p_input;
179 /* We save the input at two different place, incref */
180 vlc_gc_incref( p_input );
181 vlc_gc_incref( p_input );
183 vlc_event_attach( &p_input->event_manager, vlc_InputItemSubItemAdded,
184 input_item_subitem_added, p_playlist );
186 pl_priv(p_playlist)->b_doing_ml = true;
189 stats_TimerStart( p_playlist, "ML Load", STATS_TIMER_ML_LOAD );
190 input_Read( p_playlist, p_input, true );
191 stats_TimerStop( p_playlist,STATS_TIMER_ML_LOAD );
194 pl_priv(p_playlist)->b_doing_ml = false;
197 vlc_event_detach( &p_input->event_manager, vlc_InputItemSubItemAdded,
198 input_item_subitem_added, p_playlist );
200 vlc_gc_decref( p_input );
204 int playlist_MLDump( playlist_t *p_playlist )
208 if( !config_GetInt( p_playlist, "media-library") )
211 psz_datadir = config_GetUserDataDir();
213 if( !psz_datadir ) /* XXX: This should never happen */
215 msg_Err( p_playlist, "no data directory, cannot save media library") ;
219 char psz_dirname[ strlen( psz_datadir ) + sizeof( DIR_SEP "ml.xspf")];
220 strcpy( psz_dirname, psz_datadir );
222 if( config_CreateDir( (vlc_object_t *)p_playlist, psz_dirname ) )
227 strcat( psz_dirname, DIR_SEP "ml.xspf" );
229 stats_TimerStart( p_playlist, "ML Dump", STATS_TIMER_ML_DUMP );
230 playlist_Export( p_playlist, psz_dirname, p_playlist->p_ml_category,
232 stats_TimerStop( p_playlist, STATS_TIMER_ML_DUMP );