2 staff-performer.cc -- implement Staff_performer
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Jan Nieuwenhuizen <jan@digicash.com>
10 #include "staff-performer.hh"
11 #include "translator.hh"
12 #include "input-translator.hh"
14 #include "midi-def.hh"
15 #include "audio-column.hh"
16 #include "audio-item.hh"
17 #include "midi-item.hh"
18 #include "midi-stream.hh"
20 #include "string-convert.hh"
23 IMPLEMENT_IS_TYPE_B1(Staff_performer,Performer_group_performer);
24 ADD_THIS_PERFORMER(Staff_performer);
26 Staff_performer::Staff_performer()
28 midi_track_p_ = new Midi_track;
31 Staff_performer::~Staff_performer()
37 Staff_performer::do_creation_processing()
42 Staff_performer::do_removal_processing()
47 for ( PCursor<Audio_item*> i( audio_item_p_list_ ); i.ok(); i++ ) {
49 Moment mom = l->audio_column_l_->at_mom();
50 Moment delta_t = mom - midi_mom_ ;
52 Midi_item* p = l->midi_item_p();
53 p->channel_i_ = track_i_;
54 midi_track_p_->add( delta_t, p );
58 Performer::play( midi_track_p_ );
62 Staff_performer::header()
65 Midi_text track_name( Midi_text::TRACK_NAME, instrument_str() );
66 midi_track_p_->add( Moment( 0 ), &track_name );
68 // set instrument description
69 Midi_text instrument_name( Midi_text::INSTRUMENT_NAME, instrument_str() );
70 midi_track_p_->add( Moment( 0 ), &instrument_name );
73 // lieve wendy, nu heb je mijn track_i_ / get_staff_i weggehaald...
74 // zie ook note-performer: ugh
75 // ugh, need to know channel (===track===staff) too
76 int channel_i = track_i_;
77 Midi_instrument instrument( channel_i, instrument_str() );
78 midi_track_p_->add( Moment( 0 ), &instrument );
80 Midi_tempo midi_tempo( get_tempo_i() );
81 midi_track_p_->add( Moment( 0 ), &midi_tempo );
85 Staff_performer::instrument_str()
87 return Translator::id_str_;
91 Staff_performer::play( Audio_item* p )
93 audio_item_p_list_.bottom().add( p );
99 Staff_performer::play( Midi_item* p )
101 Performer::play( p );
107 Staff_performer::get_track_i() const
113 Staff_performer::set_track( int& track_i_r )
115 track_i_ = track_i_r++;