1 /*****************************************************************************
2 * loadsave.c : Playlist loading / saving functions
3 *****************************************************************************
4 * Copyright (C) 1999-2004 VLC authors and VideoLAN
7 * Authors: Samuel Hocevar <sam@zoy.org>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this program; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
28 #include <sys/types.h>
32 #include <vlc_common.h>
33 #include <vlc_playlist.h>
34 #include <vlc_events.h>
35 #include "playlist_internal.h"
36 #include "config/configuration.h"
39 #include <vlc_modules.h>
41 int playlist_Export( playlist_t * p_playlist, const char *psz_filename,
42 playlist_item_t *p_export_root, const char *psz_type )
44 if( p_export_root == NULL ) return VLC_EGENERIC;
46 playlist_export_t *p_export =
47 vlc_custom_create( p_playlist, sizeof( *p_export ), "playlist export" );
48 if( unlikely(p_export == NULL) )
51 msg_Dbg( p_export, "saving %s to file %s",
52 p_export_root->p_input->psz_name, psz_filename );
54 int ret = VLC_EGENERIC;
56 /* Prepare the playlist_export_t structure */
57 p_export->p_root = p_export_root;
58 p_export->psz_filename = psz_filename;
59 p_export->p_file = vlc_fopen( psz_filename, "wt" );
60 if( p_export->p_file == NULL )
62 msg_Err( p_export, "could not create playlist file %s: %s",
63 psz_filename, vlc_strerror_c(errno) );
69 /* And call the module ! All work is done now */
70 playlist_Lock( p_playlist );
71 p_module = module_need( p_export, "playlist export", psz_type, true );
72 playlist_Unlock( p_playlist );
74 if( p_module != NULL )
76 module_unneed( p_export, p_module );
77 if( !ferror( p_export->p_file ) )
80 msg_Err( p_playlist, "could not write playlist file: %s",
81 vlc_strerror_c(errno) );
84 msg_Err( p_playlist, "could not export playlist" );
85 fclose( p_export->p_file );
87 vlc_object_release( p_export );
91 int playlist_Import( playlist_t *p_playlist, const char *psz_file )
93 input_item_t *p_input;
94 const char *const psz_option = "meta-file";
95 char *psz_uri = vlc_path2uri( psz_file, NULL );
100 p_input = input_item_NewExt( psz_uri, psz_file,
101 1, &psz_option, VLC_INPUT_OPTION_TRUSTED, -1 );
104 playlist_AddInput( p_playlist, p_input, PLAYLIST_APPEND, PLAYLIST_END,
106 return input_Read( p_playlist, p_input );
109 /*****************************************************************************
110 * A subitem has been added to the Media Library (Event Callback)
111 *****************************************************************************/
112 static void input_item_subitem_tree_added( const vlc_event_t * p_event,
115 playlist_t *p_playlist = user_data;
116 input_item_node_t *p_root =
117 p_event->u.input_item_subitem_tree_added.p_root;
120 playlist_InsertInputItemTree ( p_playlist, p_playlist->p_media_library,
125 int playlist_MLLoad( playlist_t *p_playlist )
127 input_item_t *p_input;
129 char *psz_datadir = config_GetUserDir( VLC_DATA_DIR );
130 if( !psz_datadir ) /* XXX: This should never happen */
132 msg_Err( p_playlist, "no data directory, cannot load media library") ;
137 if( asprintf( &psz_file, "%s" DIR_SEP "ml.xspf", psz_datadir ) == -1 )
140 if( psz_file == NULL )
143 /* lousy check for media library file */
145 if( vlc_stat( psz_file, &st ) )
151 char *psz_uri = vlc_path2uri( psz_file, "file/xspf-open" );
153 if( psz_uri == NULL )
156 const char *const options[1] = { "meta-file", };
157 /* that option has to be cleaned in input_item_subitem_tree_added() */
158 /* vlc_gc_decref() in the same function */
159 p_input = input_item_NewExt( psz_uri, _("Media Library"),
160 1, options, VLC_INPUT_OPTION_TRUSTED, -1 );
162 if( p_input == NULL )
166 if( p_playlist->p_media_library->p_input )
167 vlc_gc_decref( p_playlist->p_media_library->p_input );
169 p_playlist->p_media_library->p_input = p_input;
171 vlc_event_attach( &p_input->event_manager, vlc_InputItemSubItemTreeAdded,
172 input_item_subitem_tree_added, p_playlist );
175 input_Read( p_playlist, p_input );
177 vlc_event_detach( &p_input->event_manager, vlc_InputItemSubItemTreeAdded,
178 input_item_subitem_tree_added, p_playlist );
183 int playlist_MLDump( playlist_t *p_playlist )
187 psz_temp = config_GetUserDir( VLC_DATA_DIR );
189 if( !psz_temp ) /* XXX: This should never happen */
191 msg_Err( p_playlist, "no data directory, cannot save media library") ;
195 char psz_dirname[ strlen( psz_temp ) + sizeof( DIR_SEP "ml.xspf")];
196 strcpy( psz_dirname, psz_temp );
198 if( config_CreateDir( (vlc_object_t *)p_playlist, psz_dirname ) )
203 strcat( psz_dirname, DIR_SEP "ml.xspf" );
205 if ( asprintf( &psz_temp, "%s.tmp%"PRIu32, psz_dirname, (uint32_t)getpid() ) < 1 )
208 int i_ret = playlist_Export( p_playlist, psz_temp, p_playlist->p_media_library,
210 if ( i_ret != VLC_SUCCESS )
212 vlc_unlink( psz_temp );
217 i_ret = vlc_rename( psz_temp, psz_dirname );
221 msg_Err( p_playlist, "could not rename %s.tmp: %s",
222 psz_dirname, vlc_strerror_c(errno) );