loadsave.c 5.54 KB
Newer Older
1 2 3
/*****************************************************************************
 * loadsave.c : Playlist loading / saving functions
 *****************************************************************************
4
 * Copyright (C) 1999-2004 the VideoLAN team
Clément Stenac's avatar
Clément Stenac committed
5
 * $Id$
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
 *
 * Authors: Samuel Hocevar <sam@zoy.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
Antoine Cellerier's avatar
Antoine Cellerier committed
21
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 23
 *****************************************************************************/
#include <vlc/vlc.h>
Clément Stenac's avatar
Clément Stenac committed
24
#include <vlc_playlist.h>
25
#include "playlist_internal.h"
26
#include "modules/configuration.h"
Clément Stenac's avatar
Clément Stenac committed
27 28
#include <vlc_charset.h>

29 30 31
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
Clément Stenac's avatar
Clément Stenac committed
32
#include <errno.h>
33

34
int playlist_Export( playlist_t * p_playlist, const char *psz_filename ,
35
                     playlist_item_t *p_export_root,const char *psz_type )
36
{
37 38
    module_t *p_module;
    playlist_export_t *p_export;
39

40 41 42 43
    if( p_export_root == NULL ) return VLC_EGENERIC;

    msg_Info( p_playlist, "saving %s to file %s",
                    p_export_root->p_input->psz_name, psz_filename );
44

45 46 47 48
    /* Prepare the playlist_export_t structure */
    p_export = (playlist_export_t *)malloc( sizeof(playlist_export_t) );
    if( !p_export)
    {
49
        msg_Err( p_playlist, "out of memory" );
50 51
        return VLC_ENOMEM;
    }
52 53 54
    p_export->psz_filename = NULL;
    if ( psz_filename )
        p_export->psz_filename = strdup( psz_filename );
55
    p_export->p_file = utf8_fopen( psz_filename, "wt" );
56
    if( !p_export->p_file )
57
    {
58 59
        msg_Err( p_playlist , "could not create playlist file %s (%m)",
                 psz_filename );
Gildas Bazin's avatar
 
Gildas Bazin committed
60
        return VLC_EGENERIC;
61 62
    }

63 64
    p_export->p_root = p_export_root;

65 66
    /* Lock the playlist */
    vlc_mutex_lock( &p_playlist->object_lock );
67
    p_playlist->p_private = (void *)p_export;
68

69
    /* And call the module ! All work is done now */
Gildas Bazin's avatar
 
Gildas Bazin committed
70
    p_module = module_Need( p_playlist, "playlist export", psz_type, VLC_TRUE);
71
    if( !p_module )
72
    {
73
        msg_Warn( p_playlist, "exporting playlist failed" );
74 75
        vlc_mutex_unlock( &p_playlist->object_lock );
        return VLC_ENOOBJ;
76
    }
77
    module_Unneed( p_playlist , p_module );
78

79
    /* Clean up */
80
    fclose( p_export->p_file );
81 82 83 84
    if ( p_export->psz_filename )
        free( p_export->psz_filename );
    free ( p_export );
    p_playlist->p_private = NULL;
85 86
    vlc_mutex_unlock( &p_playlist->object_lock );

87
    return VLC_SUCCESS;
88
}
89 90 91

int playlist_MLLoad( playlist_t *p_playlist )
{
92
    const char *psz_datadir = p_playlist->p_libvlc->psz_datadir;
93
    char *psz_uri = NULL;
94 95 96
    input_item_t *p_input;

    if( !config_GetInt( p_playlist, "media-library") ) return VLC_SUCCESS;
97
    if( !psz_datadir ) /* XXX: This should never happen */
98
    {
99
        msg_Err( p_playlist, "no data directory, cannot load media library") ;
100 101
        return VLC_EGENERIC;
    }
102

103
    if( asprintf( &psz_uri, "%s" DIR_SEP "ml.xsp", psz_datadir ) == -1 )
104 105 106 107 108 109 110 111 112 113 114 115 116
    {
        psz_uri = NULL;
        goto error;
    }
    struct stat p_stat;
    /* checks if media library file is present */
    if( utf8_stat( psz_uri , &p_stat ) )
    {
        free( psz_uri );
        return VLC_EGENERIC;
    }
    free( psz_uri );

117 118
    if( asprintf( &psz_uri, "file/xspf-open://%s" DIR_SEP "ml.xsp",
                  psz_datadir ) == -1 )
119 120 121 122
    {
        psz_uri = NULL;
        goto error;
    }
123

124
    const char *const psz_option = "meta-file";
125
    p_input = input_ItemNewExt( p_playlist, psz_uri,
126
                                _("Media Library"), 1, &psz_option, -1 );
127 128 129
    if( p_input == NULL )
        goto error;

130
    /* FIXME [21574] pdherbemont do we need *install_input_item_observer ? */
131 132
    playlist_AddInput( p_playlist, p_input, PLAYLIST_APPEND, 0, VLC_FALSE,
                        VLC_FALSE );
133 134 135 136 137 138 139 140 141

    p_playlist->b_doing_ml = VLC_TRUE;
    stats_TimerStart( p_playlist, "ML Load", STATS_TIMER_ML_LOAD );
    input_Read( p_playlist, p_input, VLC_TRUE );
    stats_TimerStop( p_playlist,STATS_TIMER_ML_LOAD );
    p_playlist->b_doing_ml = VLC_FALSE;

    free( psz_uri );
    return VLC_SUCCESS;
142 143 144 145

error:
    free( psz_uri );
    return VLC_ENOMEM;
146 147 148 149
}

int playlist_MLDump( playlist_t *p_playlist )
{
150
    char *psz_datadir = p_playlist->p_libvlc->psz_datadir;
151
    if( !config_GetInt( p_playlist, "media-library") ) return VLC_SUCCESS;
152
    if( !psz_datadir ) /* XXX: This should never happen */
153
    {
154
        msg_Err( p_playlist, "no data directory, cannot save media library") ;
155 156
        return VLC_EGENERIC;
    }
157

158 159 160
    char psz_dirname[ strlen( psz_datadir )
                      + sizeof( DIR_SEP "ml.xsl")];
    sprintf( psz_dirname, "%s", psz_datadir );
161 162 163 164 165
    if( config_CreateDir( (vlc_object_t *)p_playlist, psz_dirname ) )
    {
        return VLC_EGENERIC;
    }

166
    strcat( psz_dirname, DIR_SEP "ml.xsp" );
167

168
    stats_TimerStart( p_playlist, "ML Dump", STATS_TIMER_ML_DUMP );
169
    playlist_Export( p_playlist, psz_dirname, p_playlist->p_ml_category,
170 171 172 173 174
                     "export-xspf" );
    stats_TimerStop( p_playlist, STATS_TIMER_ML_DUMP );

    return VLC_SUCCESS;
}