1 /*****************************************************************************
2 * taglib.cpp: Taglib tag parser/writer
3 *****************************************************************************
4 * Copyright (C) 2003-2006 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.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 *****************************************************************************/
24 #include <vlc/input.h>
33 static int ReadMeta ( vlc_object_t * );
34 static int DownloadArt ( vlc_object_t * );
35 static int WriteMeta ( vlc_object_t * );
38 set_capability( "meta reader", 1000 );
39 set_callbacks( ReadMeta, NULL );
41 set_capability( "art downloader", 50 );
42 set_callbacks( DownloadArt, NULL );
44 set_capability( "meta writer", 50 );
45 set_callbacks( WriteMeta, NULL );
48 static bool checkID3Image( const TagLib::ID3v2::Tag *tag )
50 TagLib::ID3v2::FrameList l = tag->frameListMap()[ "APIC" ];
54 /* Try detecting embedded art */
55 static void DetectImage( TagLib::FileRef f, vlc_meta_t *p_meta )
57 if( TagLib::MPEG::File *mpeg =
58 dynamic_cast<TagLib::MPEG::File *>(f.file() ) )
60 if( mpeg->ID3v2Tag() && checkID3Image( mpeg->ID3v2Tag() ) )
61 vlc_meta_SetArtURL( p_meta, "APIC" );
63 else if( TagLib::FLAC::File *flac =
64 dynamic_cast<TagLib::FLAC::File *>(f.file() ) )
66 if( flac->ID3v2Tag() && checkID3Image( flac->ID3v2Tag() ) )
67 vlc_meta_SetArtURL( p_meta, "APIC" );
70 /* This needs special additions to taglib */
71 * else if( TagLib::MP4::File *mp4 =
72 dynamic_cast<TagLib::MP4::File *>( f.file() ) )
74 TagLib::MP4::Tag *mp4tag =
75 dynamic_cast<TagLib::MP4::Tag *>( mp4->tag() );
76 if( mp4tag && mp4tag->cover().size() )
77 vlc_meta_SetArtURL( p_meta, "MP4C" );
82 static int ReadMeta( vlc_object_t *p_this )
84 demux_t *p_demux = (demux_t *)p_this;
86 if( !strncmp( p_demux->psz_access, "file", 4 ) )
88 if( !p_demux->p_private )
89 p_demux->p_private = (void*)vlc_meta_New();
90 TagLib::FileRef f( p_demux->psz_path );
91 if( !f.isNull() && f.tag() )
93 TagLib::Tag *tag = f.tag();
94 vlc_meta_t *p_meta = (vlc_meta_t *)(p_demux->p_private );
96 #define SET( foo, bar ) vlc_meta_Set##foo( p_meta, tag->bar ().toCString(true))
98 SET( Artist, artist );
100 // SET( Comment, comment );
102 // SET( Year, year ); Gra, this is an int, need to convert
103 // SET( Tracknum , track ); Same
105 DetectImage( f, p_meta );
113 static int WriteMeta( vlc_object_t *p_this )
115 playlist_t *p_playlist = (playlist_t *)p_this;
117 meta_export_t *p_export = (meta_export_t *)p_playlist->p_private;
118 input_item_t *p_item = p_export->p_item;
120 TagLib::FileRef f( p_export->psz_file );
121 if( !f.isNull() && f.tag() )
123 TagLib::Tag *tag = f.tag();
124 tag->setArtist( p_item->p_meta->psz_artist );
131 static int DownloadArt( vlc_object_t *p_this )
133 /* We need to be passed the file name
134 * Fetch the thing from the file, save it to the cache folder