]> git.sesse.net Git - vlc/blobdiff - modules/meta_engine/taglib.cpp
Removes trailing spaces. Removes tabs.
[vlc] / modules / meta_engine / taglib.cpp
index 58a26c4bd2493612ff7008ecf8d22492e557e865..1a90d580d39777aa0de16c6408775e549046e25a 100644 (file)
@@ -2,9 +2,10 @@
  * 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;
 }
+