modules/meta_engine/folder.c

   1 /*****************************************************************************
   2  * folder.c
   3  *****************************************************************************
   4  * Copyright (C) 2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Antoine Cellerier <dionoea -at- videolan -dot- 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27
  28 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #include <vlc_common.h>
  33 #include <vlc_plugin.h>
  34 #include <vlc_playlist.h>
  35 #include <vlc_art_finder.h>
  36 #include <vlc_fs.h>
  37 #include <vlc_url.h>
  38
  39 #ifdef HAVE_SYS_STAT_H
  40 #   include <sys/stat.h>
  41 #endif
  42
  43 #ifndef MAX_PATH
  44 #   define MAX_PATH 250
  45 #endif
  46
  47 static const char* cover_files[] = {
  48     "Folder.jpg",           /* Windows */
  49     "AlbumArtSmall.jpg",    /* Windows */
  50     ".folder.png",          /* KDE?    */
  51     "cover.jpg",            /* rockbox */
  52 };
  53
  54 static const int i_covers = (sizeof(cover_files)/sizeof(cover_files[0]));
  55
  56 /*****************************************************************************
  57  * Local prototypes
  58  *****************************************************************************/
  59 static int FindMeta( vlc_object_t * );
  60
  61 /*****************************************************************************
  62  * Module descriptor
  63  *****************************************************************************/
  64
  65 vlc_module_begin ()
  66     set_shortname( N_( "Folder" ) )
  67     set_description( N_("Folder meta data") )
  68     add_file( "album-art-filename", NULL, NULL,
  69         N_("Album art filename"), N_("Filename to look for album art in current directory"), false );
  70     set_capability( "art finder", 90 )
  71     set_callbacks( FindMeta, NULL )
  72 vlc_module_end ()
  73
  74 /*****************************************************************************
  75  *****************************************************************************/
  76 static int FindMeta( vlc_object_t *p_this )
  77 {
  78     art_finder_t *p_finder = (art_finder_t *)p_this;
  79     input_item_t *p_item = p_finder->p_item;
  80     bool b_have_art = false;
  81
  82     int i;
  83     struct stat a;
  84     char psz_filename[MAX_PATH];
  85
  86     if( !p_item )
  87         return VLC_EGENERIC;
  88
  89     char *psz_dir = input_item_GetURI( p_item );
  90     if( !psz_dir )
  91         return VLC_EGENERIC;
  92
  93     char *psz_path = make_path( psz_dir );
  94     free( psz_dir );
  95     if( psz_path == NULL )
  96         return VLC_EGENERIC;
  97
  98     char *psz_buf = strrchr( psz_path, DIR_SEP_CHAR );
  99     if( psz_buf )
 100         *++psz_buf = '\0';
 101     else
 102         *psz_path = '\0'; /* relative path */
 103
 104     for( i = -1; !b_have_art && i < i_covers; i++ )
 105     {
 106         if( i == -1 ) /* higher priority : configured filename */
 107         {
 108             char *psz_userfile = var_InheritString( p_this, "album-art-filename" );
 109             if( !psz_userfile )
 110                 continue;
 111             snprintf( psz_filename, MAX_PATH, "%s%s", psz_path, psz_userfile );
 112             free( psz_userfile );
 113         }
 114         else
 115             snprintf( psz_filename, MAX_PATH, "%s%s", psz_path, cover_files[i] );
 116
 117         if( vlc_stat( psz_filename, &a ) != -1 )
 118         {
 119             char *psz_uri = make_URI( psz_filename );
 120             if( psz_uri )
 121             {
 122                 input_item_SetArtURL( p_item, psz_uri );
 123                 free( psz_uri );
 124                 b_have_art = true;
 125             }
 126         }
 127     }
 128
 129     return b_have_art ? VLC_SUCCESS : VLC_EGENERIC;
 130 }