* taglib.cpp: Taglib tag parser/writer
*****************************************************************************
* Copyright (C) 2003-2006 the VideoLAN team
- * $Id: rtsp.c 16204 2006-08-03 16:58:10Z zorglub $
+ * $Id$
*
* Authors: Clément Stenac <zorglub@videolan.org>
*
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
+#include <stdlib.h>
+
#include <vlc/vlc.h>
-#include <vlc/input.h>
+#include <vlc_playlist.h>
#include <vlc_meta.h>
+#include <vlc_demux.h>
#include <fileref.h>
#include <tag.h>
+#include <id3v2tag.h>
+#include <mpegfile.h>
+#include <flacfile.h>
+#include <uniquefileidentifierframe.h>
+#if 0 //for artist and album id
+#include <textidentificationframe.h>
+#endif
-static int ReadMeta ( vlc_object_t * );
+static int ReadMeta ( vlc_object_t * );
+static int DownloadArt ( vlc_object_t * );
+static int WriteMeta ( vlc_object_t * );
vlc_module_begin();
set_capability( "meta reader", 1000 );
set_callbacks( ReadMeta, NULL );
+ add_submodule();
+ set_capability( "art downloader", 50 );
+ set_callbacks( DownloadArt, NULL );
+ add_submodule();
+ set_capability( "meta writer", 50 );
+ set_callbacks( WriteMeta, NULL );
vlc_module_end();
-
+
+static bool checkID3Image( const TagLib::ID3v2::Tag *tag )
+{
+ TagLib::ID3v2::FrameList l = tag->frameListMap()[ "APIC" ];
+ return !l.isEmpty();
+}
+
+/* Try detecting embedded art */
+static void DetectImage( TagLib::FileRef f, vlc_meta_t *p_meta )
+{
+ if( TagLib::MPEG::File *mpeg =
+ dynamic_cast<TagLib::MPEG::File *>(f.file() ) )
+ {
+ if( mpeg->ID3v2Tag() && checkID3Image( mpeg->ID3v2Tag() ) )
+ vlc_meta_SetArtURL( p_meta, "APIC" );
+ }
+ else if( TagLib::FLAC::File *flac =
+ dynamic_cast<TagLib::FLAC::File *>(f.file() ) )
+ {
+ if( flac->ID3v2Tag() && checkID3Image( flac->ID3v2Tag() ) )
+ vlc_meta_SetArtURL( p_meta, "APIC" );
+ }
+#if 0
+/* This needs special additions to taglib */
+ * else if( TagLib::MP4::File *mp4 =
+ dynamic_cast<TagLib::MP4::File *>( f.file() ) )
+ {
+ TagLib::MP4::Tag *mp4tag =
+ dynamic_cast<TagLib::MP4::Tag *>( mp4->tag() );
+ if( mp4tag && mp4tag->cover().size() )
+ vlc_meta_SetArtURL( p_meta, "MP4C" );
+ }
+#endif
+}
+
static int ReadMeta( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t *)p_this;
if( !p_demux->p_private )
p_demux->p_private = (void*)vlc_meta_New();
TagLib::FileRef f( p_demux->psz_path );
- if( !f.isNull() && f.tag() )
+ if( !f.isNull() && f.tag() && !f.tag()->isEmpty() )
{
TagLib::Tag *tag = f.tag();
vlc_meta_t *p_meta = (vlc_meta_t *)(p_demux->p_private );
- vlc_meta_SetTitle( p_meta, tag->title().toCString( true ) );
- vlc_meta_SetArtist( p_meta, tag->artist().toCString( true ) );
+#define SET( foo, bar ) vlc_meta_Set##foo( p_meta, tag->bar ().toCString(true))
+ SET( Title, title );
+ SET( Artist, artist );
+ SET( Album, album );
+// SET( Comment, comment );
+ SET( Genre, genre );
+// SET( Year, year ); Gra, this is an int, need to convert
+// SET( Tracknum , track ); Same
+#undef SET
+
+ if( TagLib::MPEG::File *p_mpeg =
+ dynamic_cast<TagLib::MPEG::File *>(f.file() ) )
+ {
+ if( p_mpeg->ID3v2Tag() )
+ {
+ TagLib::ID3v2::Tag *tag = p_mpeg->ID3v2Tag();
+ TagLib::ID3v2::FrameList list = tag->frameListMap()["UFID"];
+ TagLib::ID3v2::UniqueFileIdentifierFrame* p_ufid;
+ for( TagLib::ID3v2::FrameList::Iterator iter = list.begin();
+ iter != list.end(); iter++ )
+ {
+ p_ufid = dynamic_cast<TagLib::ID3v2::UniqueFileIdentifierFrame*>(*iter);
+ const char *owner = p_ufid->owner().toCString();
+ if (!strcmp( owner, "http://musicbrainz.org" ))
+ {
+ /* ID3v2 UFID contains up to 64 bytes binary data
+ * but in our case it will be a '\0'
+ * terminated string */
+ char *psz_ufid = (char*) malloc( 64 );
+ int j = 0;
+ while( ( j < 63 ) &&
+ ( j < p_ufid->identifier().size() ) )
+ psz_ufid[j] = p_ufid->identifier()[j++];
+ psz_ufid[j] = '\0';
+ vlc_meta_SetTrackID( p_meta, psz_ufid );
+ free( psz_ufid );
+ }
+ }
+ /* musicbrainz artist and album id: not useful yet */
+#if 0
+ list = tag->frameListMap()["TXXX"];
+ TagLib::ID3v2::UserTextIdentificationFrame* p_txxx;
+ for( TagLib::ID3v2::FrameList::Iterator iter = list.begin();
+ iter != list.end(); iter++ )
+ {
+ p_txxx = dynamic_cast<TagLib::ID3v2::UserTextIdentificationFrame*>(*iter);
+ const char *psz_desc= p_txxx->description().toCString();
+ if( !strncmp( psz_desc, "MusicBrainz Artist Id", 21 ) )
+ vlc_meta_SetArtistID( p_meta,
+ p_txxx->fieldList().toString().toCString());
+ if( !strncmp( psz_desc, "MusicBrainz Album Id", 20 ) )
+ vlc_meta_SetAlbumID( p_meta,
+ p_txxx->fieldList().toString().toCString());
+ }
+#endif
+ }
+ }
+
+ DetectImage( f, p_meta );
+
return VLC_SUCCESS;
}
}
return VLC_EGENERIC;
}
+
+#define SET(a,b) if(b) tag->set##a( b );
+
+static int WriteMeta( vlc_object_t *p_this )
+{
+ playlist_t *p_playlist = (playlist_t *)p_this;
+ meta_export_t *p_export = (meta_export_t *)p_playlist->p_private;
+ input_item_t *p_item = p_export->p_item;
+
+ TagLib::FileRef f( p_export->psz_file );
+ if( !f.isNull() && f.tag() )
+ {
+ TagLib::Tag *tag = f.tag();
+ SET( Artist, p_item->p_meta->psz_artist );
+ if( p_item->p_meta->psz_title )
+ tag->setTitle( p_item->p_meta->psz_title );
+ else
+ tag->setTitle( p_item->psz_name );
+ SET( Album, p_item->p_meta->psz_album );
+ SET( Genre, p_item->p_meta->psz_genre );
+ if( p_item->p_meta->psz_date )
+ tag->setYear( atoi( p_item->p_meta->psz_date ) );
+ if( p_item->p_meta->psz_tracknum )
+ tag->setTrack( atoi( p_item->p_meta->psz_tracknum ) );
+ f.save();
+ return VLC_SUCCESS;
+ }
+ msg_Err( p_this, "File %s can't be opened for tag writing\n",
+ p_export->psz_file );
+ return VLC_EGENERIC;
+}
+
+static int DownloadArt( vlc_object_t *p_this )
+{
+ /* We need to be passed the file name
+ * Fetch the thing from the file, save it to the cache folder
+ */
+ return VLC_EGENERIC;
+}
projects / vlc / blobdiff