2 midi-def.cc -- implement Midi_def
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Jan Nieuwenhuizen <jan@digicash.com>
11 #include "midi-def.hh"
12 #include "input-translator.hh"
13 #include "audio-score.hh"
14 #include "assoc-iter.hh"
15 #include "score-performer.hh"
18 // classes, alphasorted
22 // routines, alphasorted
27 int Midi_def::den_i_s = 4;
28 int Midi_def::num_i_s = 4;
35 set_tempo (Moment (1, 4), 60);
38 Midi_def::Midi_def (Midi_def const& s)
40 whole_seconds_f_ = s.whole_seconds_f_;
41 itrans_p_ = s.itrans_p_ ? new Input_translator (*s.itrans_p_) : 0;
42 outfile_str_ = s.outfile_str_;
51 Midi_def::duration_to_seconds_f (Moment mom)
56 return Moment (whole_seconds_f_) * mom;
60 Midi_def::get_global_translator_p()
62 Global_translator *g = itrans_p_->get_group_performer_p()->global_l ();
64 assert (g->is_type_b (Score_performer::static_name()));
65 Score_performer * perf = (Score_performer*)g;
66 perf->performance_p_ = new Audio_score;
67 perf->performance_p_->midi_l_ = this;
72 Midi_def::get_tempo_i (Moment moment)
74 return Moment (whole_seconds_f_) * Moment (60) * moment;
78 Midi_def::print() const
82 DOUT << "4/min: " << Real (60) / (whole_seconds_f_ * 4);
83 DOUT << "out: " << outfile_str_;
89 Midi_def::set (Input_translator* itrans_p)
96 Midi_def::set_tempo (Moment moment, int count_per_minute_i)
98 whole_seconds_f_ = Moment (count_per_minute_i) / Moment (60) / moment;
101 IMPLEMENT_IS_TYPE_B1( Midi_def, Music_output_def);