matthiasm@8: function write_song(song, bnet, param, outfilename, filetype, verbose)
matthiasm@8: 
matthiasm@8: prelabels = {'C','Db','D','Eb','E','F','Gb','G','Ab','A','Bb','B','N'};
matthiasm@8: chordindex = bnet.names('chord');
matthiasm@8: metposindex = bnet.names('metpos');
matthiasm@8: if param.dbn.nKey > 0
matthiasm@8:     keyindex = bnet.names('key');
matthiasm@8: end
matthiasm@8: 
matthiasm@8: switch filetype
matthiasm@8:     case 'chordlab'
matthiasm@8:         chordsequence = [song.mpe{chordindex,:}];
matthiasm@8:         oldchord = 0;
matthiasm@8:         oldlabel ='N';
matthiasm@8:         outfile = fopen(outfilename,'w');
matthiasm@8:         if verbose
matthiasm@8:             fprintf(1, '0.0 ');
matthiasm@8:         end
matthiasm@8:         fprintf(outfile, '0.0 ');
matthiasm@8:         for iChord= 1:length(chordsequence)
matthiasm@8:             newchord = song.mpe{chordindex, iChord};
matthiasm@8:             if newchord ~= oldchord
matthiasm@8:                 if param.dbn.nKey > 0
matthiasm@8:                     keylabel = param.dbn.keynames{song.mpe{keyindex,iChord}};
matthiasm@8:                 else
matthiasm@8:                     keylabel = 'C';
matthiasm@8:                 end
matthiasm@8:                 if ischar(param.dbn.chordnames{newchord})
matthiasm@8:                     prelabel = ['C',param.dbn.chordnames{newchord}];
matthiasm@8:                     [c.rootnote, c.shorthand, c.degreelist, c.bassdegree, success, error] =...
matthiasm@8:                         getchordinfo(prelabel);
matthiasm@8:                     c.string = addshort2list(c.shorthand, c.degreelist);
matthiasm@8:                     label = [chordroot_spelling(keylabel, param.dbn.chordrootnotes(newchord)-1 ,strsplit(',',c.string)),param.dbn.chordnames{newchord}];
matthiasm@8:                 else
matthiasm@8:                     label = 'N';
matthiasm@8:                 end
matthiasm@8:                 if verbose
matthiasm@8:                     fprintf(1,'%0.3f %s\n%0.3f ', song.beattimes(iChord,1), oldlabel,song.beattimes(iChord,1));
matthiasm@8:                 end
matthiasm@8:                 fprintf(outfile,'%0.3f %s\n%0.3f ', song.beattimes(iChord,1), oldlabel,song.beattimes(iChord,1));
matthiasm@8:                 oldlabel = label;
matthiasm@8:             end
matthiasm@8:             oldchord = newchord;
matthiasm@8:         end
matthiasm@8:         if verbose
matthiasm@8:             fprintf(1,'%0.3f %s', song.beattimes(iChord,2), oldlabel);
matthiasm@8:         end
matthiasm@8:         fprintf(outfile,'%0.3f %s', song.beattimes(iChord,2), oldlabel);
matthiasm@8:         fclose(outfile);
matthiasm@8:     case 'keylab'
matthiasm@8:         keysequence = [song.mpe{keyindex,:}];
matthiasm@8:         oldkey = 0;
matthiasm@8:         oldlabel ='N';
matthiasm@8:         outfile = fopen(outfilename,'w');
matthiasm@8:         if verbose
matthiasm@8:             fprintf(1, '0.0 ');
matthiasm@8:         end
matthiasm@8:         fprintf(outfile, '0.0 ');
matthiasm@8:         for iKey = 1:length(keysequence)
matthiasm@8:             newkey = song.mpe{keyindex, iKey};
matthiasm@8:             if newkey ~= oldkey
matthiasm@8:                 keylabel = param.dbn.keynames{song.mpe{keyindex,iKey}};
matthiasm@8:                 if verbose
matthiasm@8:                     fprintf(1,'%0.3f %s\n%0.3f ', song.beattimes(iKey,1), oldlabel,song.beattimes(iKey,1));
matthiasm@8:                 end
matthiasm@8:                 fprintf(outfile,'%0.3f %s\n%0.3f ', song.beattimes(iKey,1), oldlabel,song.beattimes(iKey,1));
matthiasm@8:                 oldlabel = keylabel;
matthiasm@8:             end
matthiasm@8:             oldkey = newkey;
matthiasm@8:         end
matthiasm@8:         if verbose
matthiasm@8:             fprintf(1,'%0.3f %s', song.beattimes(iKey,2), oldlabel);
matthiasm@8:         end
matthiasm@8:         fprintf(outfile,'%0.3f %s', song.beattimes(iKey,2), oldlabel);
matthiasm@8:         fclose(outfile);
matthiasm@8:     case 'lilypond'
matthiasm@8:         bassindex = bnet.names('bass');
matthiasm@8:         lilychordnames = repmat(param.dbn.lilytypechordnames,[1,12]);
matthiasm@8:         lilychordnames{numel(lilychordnames)+1} = '';
matthiasm@8: 
matthiasm@8:         chordsequence = [song.mpe{chordindex,:}];
matthiasm@8: 
matthiasm@8:         nBeat = length(chordsequence);
matthiasm@8: 
matthiasm@8:         keysequence = [song.mpe{keyindex,:}];
matthiasm@8: 
matthiasm@8:         label = cell(nBeat,1);
matthiasm@8:         keylabel = cell(nBeat,1);
matthiasm@8: 
matthiasm@8:         metpossequence = [song.mpe{metposindex,:}];
matthiasm@8:         oldchord = 0;
matthiasm@8:         oldkey = 0;
matthiasm@8:         oldbass = 0;
matthiasm@8:         oldlabel ='';
matthiasm@8:         oldkeylabel = '';
matthiasm@8:         oldbasslabel = '';
matthiasm@8: 
matthiasm@8:         outfile = fopen(outfilename,'w');
matthiasm@8:         if verbose
matthiasm@8:             fprintf(1, '0.0 ');
matthiasm@8:         end
matthiasm@8:         fprintf(outfile, '0.0 ');
matthiasm@8:         chordcount = 0;
matthiasm@8:         basscount = 0;
matthiasm@8:         chordduration = 0;
matthiasm@8:         bassduration = 0;
matthiasm@8:         for iBeat= 1:length(chordsequence)
matthiasm@8:             newchord = song.mpe{chordindex, iBeat};
matthiasm@8:             newkey = song.mpe{keyindex, iBeat};
matthiasm@8:             newbass = song.mpe{bassindex, iBeat};
matthiasm@8:             newmetpos = song.mpe{metposindex, iBeat};
matthiasm@8:             if param.dbn.nKey > 0
matthiasm@8:                 prekeylabel = param.dbn.keynames{song.mpe{keyindex,iBeat}};
matthiasm@8:             else
matthiasm@8:                 prekeylabel = 'C';
matthiasm@8:             end
matthiasm@8:             if newchord ~= oldchord  || newmetpos == 1
matthiasm@8:                 % get the chord name
matthiasm@8:                 chordcount = chordcount + 1;
matthiasm@8:                 if ischar(param.dbn.chordnames{newchord})
matthiasm@8:                     prelabel = ['C',param.dbn.chordnames{newchord}];
matthiasm@8:                     [c.rootnote, c.shorthand, c.degreelist, c.bassdegree, success, error] =...
matthiasm@8:                         getchordinfo(prelabel);
matthiasm@8:                     if isempty(c.bassdegree)
matthiasm@8:                         preroot = spellnote(newkey, param.dbn.chordrootnotes(newchord));
matthiasm@8:                         label{iBeat} = [preroot,lilychordnames{newchord}];
matthiasm@8:                     else
matthiasm@8:                         preroot = spellnote(newkey, param.dbn.chordrootnotes(newchord));
matthiasm@8:                         temp = degree2note(c.bassdegree,preroot);
matthiasm@8:                         bass = ['/',temp{1}];
matthiasm@8:                         label{iBeat} = [preroot ,lilychordnames{newchord},bass];
matthiasm@8:                     end
matthiasm@8:                 else
matthiasm@8:                     label{iBeat} = 'nc';
matthiasm@8:                 end
matthiasm@8:                 label{iBeat} = strrep(label{iBeat},'#','is');
matthiasm@8:                 label{iBeat} = strrep(label{iBeat},'b','es');
matthiasm@8:                 label{iBeat} = lower(label{iBeat});
matthiasm@8: 
matthiasm@8: %                 oldlabel = label{iBeat};
matthiasm@8:                 chordduration = 1;
matthiasm@8:             else
matthiasm@8:                 chordduration = chordduration + 1;
matthiasm@8:             end
matthiasm@8:             if oldkey ~= newkey
matthiasm@8:                 keylabel{iBeat} = param.dbn.lilykeynames{song.mpe{keyindex,iBeat}};
matthiasm@8:                 keylabel{iBeat} = strrep(keylabel{iBeat},'#','is');
matthiasm@8:                 keylabel{iBeat} = strrep(keylabel{iBeat},'b','es');
matthiasm@8:                 keylabel{iBeat} = lower(keylabel{iBeat});
matthiasm@8:                 oldkeylabel = keylabel{iBeat};
matthiasm@8:             end
matthiasm@8:             if oldbass ~= newbass || newmetpos == 1
matthiasm@8:                 basscount = basscount + 1;
matthiasm@8:                 if basscount > 1
matthiasm@8:                     basslabelduration{basscount-1} = bassduration;
matthiasm@8:                 end
matthiasm@8:                 basslabel{basscount} = spellnote(newkey, param.dbn.chordbassnotes(newbass),'lily');
matthiasm@8:                 bassduration = 1;
matthiasm@8:             else
matthiasm@8:                 bassduration = bassduration + 1;
matthiasm@8:             end
matthiasm@8:             oldbass = newbass;
matthiasm@8:             oldkey = newkey;
matthiasm@8:             oldchord = newchord;
matthiasm@8:         end
matthiasm@8: 
matthiasm@8:         % finish off the durations etc
matthiasm@8:         basslabelduration{basscount} = bassduration;
matthiasm@8:         
matthiasm@8:         fclose(outfile);
matthiasm@8:         for iLabel = 1:numel(basslabel)
matthiasm@8:             fprintf(1,'%10s %4.0f\n', basslabel{iLabel}, basslabelduration{iLabel})
matthiasm@8:         end
matthiasm@8: end