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>
34 #include <sys/types.h>
39 int playlist_Export( playlist_t * p_playlist, const char *psz_filename ,
40 playlist_item_t *p_export_root,const char *psz_type )
43 playlist_export_t *p_export;
45 if( p_export_root == NULL ) return VLC_EGENERIC;
47 msg_Dbg( p_playlist, "saving %s to file %s",
48 p_export_root->p_input->psz_name, psz_filename );
50 /* Prepare the playlist_export_t structure */
51 p_export = (playlist_export_t *)malloc( sizeof(playlist_export_t) );
54 p_export->psz_filename = psz_filename ? strdup( psz_filename ) : NULL;
55 p_export->p_file = utf8_fopen( psz_filename, "wt" );
56 if( !p_export->p_file )
58 msg_Err( p_playlist , "could not create playlist file %s (%m)",
60 free( p_export->psz_filename );
65 p_export->p_root = p_export_root;
67 /* Lock the playlist */
68 vlc_object_lock( p_playlist );
69 p_playlist->p_private = (void *)p_export;
71 /* And call the module ! All work is done now */
73 p_module = module_need( p_playlist, "playlist export", psz_type, true);
76 msg_Warn( p_playlist, "exporting playlist failed" );
81 module_unneed( p_playlist , p_module );
86 fclose( p_export->p_file );
87 free( p_export->psz_filename );
89 p_playlist->p_private = NULL;
90 vlc_object_unlock( p_playlist );
95 int playlist_Import( playlist_t *p_playlist, const char *psz_file )
97 input_item_t *p_input;
99 const char *const psz_option = "meta-file";
101 if( asprintf( &psz_uri, "file/://%s", psz_file ) < 0 )
104 p_input = input_item_NewExt( p_playlist, psz_uri, psz_file,
105 1, &psz_option, VLC_INPUT_OPTION_TRUSTED, -1 );
108 playlist_AddInput( p_playlist, p_input, PLAYLIST_APPEND, PLAYLIST_END,
110 return input_Read( p_playlist, p_input, true );
113 /*****************************************************************************
114 * A subitem has been added to the Media Library (Event Callback)
115 *****************************************************************************/
116 static void input_item_subitem_added( const vlc_event_t * p_event,
119 playlist_t *p_playlist = user_data;
120 input_item_t *p_item = p_event->u.input_item_subitem_added.p_new_child;
122 /* playlist_AddInput() can fail, but we have no way to report that ..
123 * Any way when it has failed, either the playlist is dying, either OOM */
124 playlist_AddInput( p_playlist, p_item, PLAYLIST_APPEND, PLAYLIST_END,
125 false, pl_Unlocked );
128 int playlist_MLLoad( playlist_t *p_playlist )
130 char *psz_datadir = config_GetUserDataDir();
131 char *psz_uri = NULL;
132 input_item_t *p_input;
134 if( !config_GetInt( p_playlist, "media-library") ) return VLC_SUCCESS;
135 if( !psz_datadir ) /* XXX: This should never happen */
137 msg_Err( p_playlist, "no data directory, cannot load media library") ;
141 if( asprintf( &psz_uri, "%s" DIR_SEP "ml.xspf", psz_datadir ) == -1 )
147 /* checks if media library file is present */
148 if( utf8_stat( psz_uri , &p_stat ) )
152 /* FIXME: WTF? stat() should never be used right before open()! */
153 if( asprintf( &psz_uri, "file/xspf-open://%s" DIR_SEP "ml.xspf",
154 psz_datadir ) == -1 )
162 const char *const psz_option = "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, &psz_option, VLC_INPUT_OPTION_TRUSTED, -1 );
167 if( p_input == NULL )
171 if( p_playlist->p_ml_onelevel->p_input )
172 vlc_gc_decref( p_playlist->p_ml_onelevel->p_input );
173 if( p_playlist->p_ml_category->p_input )
174 vlc_gc_decref( p_playlist->p_ml_category->p_input );
176 p_playlist->p_ml_onelevel->p_input =
177 p_playlist->p_ml_category->p_input = p_input;
178 /* We save the input at two different place, incref */
179 vlc_gc_incref( p_input );
180 vlc_gc_incref( p_input );
182 vlc_event_attach( &p_input->event_manager, vlc_InputItemSubItemAdded,
183 input_item_subitem_added, p_playlist );
185 pl_priv(p_playlist)->b_doing_ml = true;
188 stats_TimerStart( p_playlist, "ML Load", STATS_TIMER_ML_LOAD );
189 input_Read( p_playlist, p_input, true );
190 stats_TimerStop( p_playlist,STATS_TIMER_ML_LOAD );
193 pl_priv(p_playlist)->b_doing_ml = false;
196 vlc_event_detach( &p_input->event_manager, vlc_InputItemSubItemAdded,
197 input_item_subitem_added, p_playlist );
199 vlc_gc_decref( p_input );
209 int playlist_MLDump( playlist_t *p_playlist )
211 char *psz_datadir = config_GetUserDataDir();
212 if( !config_GetInt( p_playlist, "media-library") ) return VLC_SUCCESS;
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" ) + 1];
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 );