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Options as infos were bad in several ways: it broke PLAYLIST_GO, used
[vlc] / src / playlist / loadsave.c
1 /*****************************************************************************
2  * loadsave.c : Playlist loading / saving functions
3  *****************************************************************************
4  * Copyright (C) 1999-2004 VideoLAN
5  * $Id: loadsave.c,v 1.10 2004/01/29 17:51:08 zorglub Exp $
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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
22  *****************************************************************************/
23 #include <stdlib.h>                                      /* free(), strtol() */
24 #include <stdio.h>                                              /* sprintf() */
25 #include <string.h>                                            /* strerror() */
26
27 #include <vlc/vlc.h>
28 #include <vlc/vout.h>
29 #include <vlc/sout.h>
30
31 #ifdef HAVE_ERRNO_H
32 #   include <errno.h>
33 #endif
34
35 #include "stream_control.h"
36 #include "input_ext-intf.h"
37
38 #include "vlc_playlist.h"
39
40 #define PLAYLIST_FILE_HEADER  "# vlc playlist file version 0.5"
41
42
43 /**
44  * Import a certain playlist file into the playlist
45  *
46  * \param p_playlist the playlist to which the new items will be added
47  * \param psz_filename the name of the playlistfile to import
48  * \return VLC_SUCCESS on success
49  */
50 int playlist_Import( playlist_t * p_playlist, const char *psz_filename )
51 {
52     playlist_item_t *p_item;
53     char *psz_uri;
54     int i_id;
55
56     msg_Dbg( p_playlist, "clearing playlist");
57     playlist_Clear( p_playlist );
58
59
60     psz_uri = (char *)malloc(sizeof(char)*strlen(psz_filename) + 17 );
61     sprintf( psz_uri, "file/playlist://%s", psz_filename);
62
63     vlc_mutex_lock( &p_playlist->object_lock );
64     i_id = playlist_Add( p_playlist, psz_uri, psz_uri,
65                   PLAYLIST_INSERT | PLAYLIST_GO , PLAYLIST_END);
66
67     p_item = playlist_ItemGetById( p_playlist, i_id );
68     p_item->b_autodeletion = VLC_TRUE;
69
70     vlc_mutex_unlock( &p_playlist->object_lock );
71
72     return VLC_SUCCESS;
73 }
74
75 /**
76  * Export a playlist to a certain type of playlistfile
77  *
78  * \param p_playlist the playlist to export
79  * \param psz_filename the location where the exported file will be saved
80  * \param psz_type the type of playlist file to create.
81  * \return VLC_SUCCESS on success
82  */
83 int playlist_Export( playlist_t * p_playlist, const char *psz_filename ,
84                      const char *psz_type)
85 {
86     module_t *p_module;
87     playlist_export_t *p_export;
88
89     msg_Info( p_playlist, "saving playlist to file %s", psz_filename );
90
91     /* Prepare the playlist_export_t structure */
92     p_export = (playlist_export_t *)malloc( sizeof(playlist_export_t) );
93     if( !p_export)
94     {
95         msg_Err( p_playlist, "out of memory");
96         return VLC_ENOMEM;
97     }
98     p_export->p_file = fopen( psz_filename, "wt" );
99     if( !p_export->p_file )
100     {
101 #ifdef HAVE_ERRNO_H
102         msg_Err( p_playlist , "could not create playlist file %s"
103                  " (%s)", psz_filename, strerror(errno) );
104 #else
105         msg_Err( p_playlist , "could not create playlist file %s"
106                  , psz_filename );
107 #endif
108         return VLC_EGENERIC;
109     }
110
111     p_playlist->p_private = (void *)p_export;
112     /* Lock the playlist */
113     vlc_mutex_lock( &p_playlist->object_lock );
114
115     /* And call the module ! All work is done now */
116     p_module = module_Need( p_playlist, "playlist export",  psz_type);
117     if( !p_module )
118     {
119         msg_Warn( p_playlist, "failed to export playlist" );
120         vlc_mutex_unlock( &p_playlist->object_lock );
121         return VLC_ENOOBJ;
122     }
123     module_Unneed( p_playlist , p_module );
124
125     fclose( p_export->p_file );
126
127     vlc_mutex_unlock( &p_playlist->object_lock );
128
129     return VLC_SUCCESS;
130 }