* 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>
+ * Rafaël Carré <funman@videolanorg>
*
* 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
+
#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 <tstring.h>
+#include <id3v2tag.h>
+#include <textidentificationframe.h>
+#include <tbytevector.h>
+#include <mpegfile.h>
+#include <flacfile.h>
+#if 0
+#include <oggflacfile.h>
+#endif
+#include <flacfile.h>
+#include <flacproperties.h>
+#include <vorbisfile.h>
+#include <vorbisproperties.h>
+#include <uniquefileidentifierframe.h>
+#include <textidentificationframe.h>
+#if 0 /* parse the tags without taglib helpers? */
+#include <relativevolumeframe.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 *p_tag )
+{
+ TagLib::ID3v2::FrameList l = p_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( !strncmp( p_demux->psz_access, "file", 4 ) )
+ if( strncmp( p_demux->psz_access, "file", 4 ) )
+ return VLC_EGENERIC;
+
+ TagLib::FileRef f( p_demux->psz_path );
+ if( f.isNull() )
+ return VLC_EGENERIC;
+
+ if ( !f.tag() || f.tag()->isEmpty() )
+ return VLC_EGENERIC;
+
+ if( !p_demux->p_private )
+ p_demux->p_private = (void*)vlc_meta_New();
+ vlc_meta_t *p_meta = (vlc_meta_t *)(p_demux->p_private );
+ TagLib::Tag *p_tag = f.tag();
+
+ if( TagLib::MPEG::File *p_mpeg =
+ dynamic_cast<TagLib::MPEG::File *>(f.file() ) )
+ {
+ if( p_mpeg->ID3v2Tag() )
+ {
+ TagLib::ID3v2::Tag *p_tag = p_mpeg->ID3v2Tag();
+ TagLib::ID3v2::FrameList list = p_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 );
+ }
+ }
+
+ list = p_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();
+ vlc_meta_AddExtra( p_meta, psz_desc,
+ p_txxx->fieldList().toString().toCString());
+ }
+#if 0
+ list = p_tag->frameListMap()["RVA2"];
+ TagLib::ID3v2::RelativeVolumeFrame* p_rva2;
+ for( TagLib::ID3v2::FrameList::Iterator iter = list.begin();
+ iter != list.end(); iter++ )
+ {
+ p_rva2 = dynamic_cast<TagLib::ID3v2::RelativeVolumeFrame*>(*iter);
+ /* TODO: process rva2 frames */
+ }
+#endif
+ list = p_tag->frameList();
+ TagLib::ID3v2::Frame* p_t;
+ char psz_tag[4];
+ for( TagLib::ID3v2::FrameList::Iterator iter = list.begin();
+ iter != list.end(); iter++ )
+ {
+ p_t = dynamic_cast<TagLib::ID3v2::Frame*> (*iter);
+ memcpy( psz_tag, p_t->frameID().data(), 4);
+
+#define SET( foo, bar ) if( !strncmp( psz_tag, foo, 4 ) ) \
+vlc_meta_Set##bar( p_meta, p_t->toString().toCString(true))
+ SET( "TPUB", Publisher );
+ SET( "TCOP", Copyright );
+ SET( "TENC", EncodedBy );
+ SET( "TLAN", Language );
+ //SET( "POPM", Rating ); /* rating needs special handling in id3v2 */
+ //if( !strncmp( psz_tag, "RVA2", 4 ) )
+ /* TODO */
+#undef SET
+ }
+ }
+ }
+
+ else if( TagLib::Ogg::Vorbis::File *p_ogg_v =
+ dynamic_cast<TagLib::Ogg::Vorbis::File *>(f.file() ) )
+ {
+ int i_ogg_v_length = p_ogg_v->audioProperties()->length();
+
+ input_thread_t *p_input = (input_thread_t *)
+ vlc_object_find( p_demux,VLC_OBJECT_INPUT, FIND_PARENT );
+ if( p_input )
+ {
+ input_item_t *p_item = input_GetItem( p_input );
+ if( p_item )
+ input_item_SetDuration( p_item,
+ (mtime_t) i_ogg_v_length * 1000000 );
+ vlc_object_release( p_input );
+ }
+
+ }
+#if 0 /* at this moment, taglib is unable to detect ogg/flac files
+* becauses type detection is based on file extension:
+* ogg = ogg/vorbis
+* flac = flac
+* ø = ogg/flac
+*/
+ else if( TagLib::Ogg::FLAC::File *p_ogg_f =
+ dynamic_cast<TagLib::Ogg::FLAC::File *>(f.file() ) )
+ {
+ long i_ogg_f_length = p_ogg_f->streamLength();
+ input_thread_t *p_input = (input_thread_t *)
+ vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
+ if( p_input )
+ {
+ input_item_t *p_item = input_GetItem( p_input );
+ if( p_item )
+ input_item_SetDuration( p_item,
+ (mtime_t) i_ogg_f_length * 1000000 );
+ vlc_object_release( p_input );
+ }
+ }
+#endif
+ else if( TagLib::FLAC::File *p_flac =
+ dynamic_cast<TagLib::FLAC::File *>(f.file() ) )
{
- 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() )
+ long i_flac_length = p_flac->audioProperties()->length();
+ input_thread_t *p_input = (input_thread_t *)
+ vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
+ if( p_input )
{
- TagLib::Tag *tag = f.tag();
- vlc_meta_t *p_meta = (vlc_meta_t *)(p_demux->p_private );
+ input_item_t *p_item = input_GetItem( p_input );
+ if( p_item )
+ input_item_SetDuration( p_item,
+ (mtime_t) i_flac_length * 1000000 );
+ vlc_object_release( p_input );
+ }
+ }
+
+#define SET( foo, bar ) vlc_meta_Set##foo( p_meta, p_tag->bar ().toCString(true))
+#define SETINT( foo, bar ) { \
+ char psz_tmp[10]; \
+ snprintf( (char*)psz_tmp, 10, "%d", p_tag->bar() ); \
+ vlc_meta_Set##foo( p_meta, (char*)psz_tmp ); \
+ }
+
+ SET( Title, title );
+ SET( Artist, artist );
+ SET( Album, album );
+ SET( Description, comment );
+ SET( Genre, genre );
+ SETINT( Date, year );
+ SETINT( Tracknum , track );
+#undef SET
+#undef SETINT
+
+ DetectImage( f, p_meta );
+
+ return VLC_SUCCESS;
+}
+
+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;
+
+ if( p_item == NULL )
+ {
+ msg_Err( p_this, "Can't save meta data of an empty input" );
+ return VLC_EGENERIC;
+ }
+
+ TagLib::FileRef f( p_export->psz_file );
+ if( f.isNull() || !f.tag() || f.file()->readOnly() )
+ {
+ msg_Err( p_this, "File %s can't be opened for tag writing\n",
+ p_export->psz_file );
+ return VLC_EGENERIC;
+ }
+
+ msg_Dbg( p_this, "Writing metadata for %s", p_export->psz_file );
+
+ TagLib::Tag *p_tag = f.tag();
- vlc_meta_SetTitle( p_meta, tag->title().toCString( true ) );
- vlc_meta_SetArtist( p_meta, tag->artist().toCString( true ) );
- return VLC_SUCCESS;
+ char *psz_meta;
+
+#define SET(a,b) \
+ if(b) { \
+ TagLib::String *psz_##a = new TagLib::String( b, \
+ TagLib::String::UTF8 ); \
+ p_tag->set##a( *psz_##a ); \
+ delete psz_##a; \
}
+
+
+ psz_meta = input_item_GetArtist( p_item );
+ SET( Artist, psz_meta );
+ free( psz_meta );
+
+ psz_meta = input_item_GetTitle( p_item );
+ if( !psz_meta ) psz_meta = input_item_GetName( p_item );
+ TagLib::String *psz_title = new TagLib::String( psz_meta,
+ TagLib::String::UTF8 );
+ p_tag->setTitle( *psz_title );
+ delete psz_title;
+ free( psz_meta );
+
+ psz_meta = input_item_GetAlbum( p_item );
+ SET( Album, psz_meta );
+ free( psz_meta );
+
+ psz_meta = input_item_GetGenre( p_item );
+ SET( Genre, psz_meta );
+ free( psz_meta );
+
+#undef SET
+
+ psz_meta = input_item_GetDate( p_item );
+ if( psz_meta ) p_tag->setYear( atoi( psz_meta ) );
+ free( psz_meta );
+
+ psz_meta = input_item_GetTrackNum( p_item );
+ if( psz_meta ) p_tag->setTrack( atoi( psz_meta ) );
+ free( psz_meta );
+
+ if( TagLib::ID3v2::Tag *p_id3tag =
+ dynamic_cast<TagLib::ID3v2::Tag *>(p_tag) )
+ {
+#define WRITE( foo, bar ) \
+ psz_meta = input_item_Get##foo( p_item ); \
+ if( psz_meta ) \
+ { \
+ TagLib::ByteVector p_byte( bar, 4 ); \
+ TagLib::ID3v2::TextIdentificationFrame p_frame( p_byte ); \
+ p_frame.setText( psz_meta ); \
+ p_id3tag->addFrame( &p_frame ); \
+ free( psz_meta ); \
+ } \
+
+ WRITE( Publisher, "TPUB" );
+ WRITE( Copyright, "TCOP" );
+ WRITE( EncodedBy, "TENC" );
+ WRITE( Language, "TLAN" );
+
+#undef WRITE
}
+
+ f.save();
+ return VLC_SUCCESS;
+}
+
+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