lily/audio-score.cc

   1 /*
   2   audio-score.cc -- implement Audio_score
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Jan Nieuwenhuizen <jan@digicash.com>
   7 */
   8
   9 #include <time.h>
  10 #include "debug.hh"
  11 #include "string.hh"
  12 #include "string-convert.hh"
  13 #include "main.hh"
  14 #include "midi-def.hh"
  15 #include "midi-item.hh"
  16 #include "midi-stream.hh"
  17 #include "audio-column.hh"
  18 #include "audio-staff.hh"
  19 #include "audio-score.hh"
  20 #include "score.hh"
  21
  22 Audio_score::Audio_score ()
  23 {
  24   midi_l_ =0;
  25 }
  26
  27 void
  28 Audio_score::add (Audio_column* p)
  29 {
  30   p->audio_score_l_ = this;
  31   audio_column_p_list_.bottom().add (p);
  32 }
  33
  34 void
  35 Audio_score::output (Midi_stream& midi_stream_r)
  36 {
  37   int tracks_i = audio_staff_l_list_.size() + 1;
  38   // ugh
  39   int clocks_per_4_i = 384;
  40   midi_stream_r << Midi_header (1, tracks_i, clocks_per_4_i);
  41   output_header_track (midi_stream_r);
  42   int n = 1;
  43   for (PCursor<Audio_staff*> i (audio_staff_l_list_); i.ok(); i++)
  44         i->output (midi_stream_r, n++);
  45 }
  46
  47 void
  48 Audio_score::output_header_track (Midi_stream& midi_stream_r)
  49 {
  50   Midi_track midi_track;
  51
  52   time_t t = time (0);
  53
  54   // perhaps multiple text events?
  55   String str = String ("Creator: ") + get_version_str() + "\n";
  56
  57   Midi_text creator (Midi_text::TEXT, str);
  58   midi_track.add (Moment (0), &creator);
  59
  60   str = "Automatically generated at ";
  61   str += ctime (&t);
  62   str = str.left_str (str.length_i() - 1);
  63   str += "\n";
  64   Midi_text generate (Midi_text::TEXT, str);
  65   midi_track.add (Moment (0), &generate);
  66
  67   str = "from musical definition: ";
  68
  69   str += origin_str_;
  70   Midi_text from (Midi_text::TEXT, str);
  71   midi_track.add (Moment (0), &from);
  72
  73   Midi_text track_name (Midi_text::TRACK_NAME, "Track "
  74                           + String_convert::i2dec_str (0, 0, '0'));
  75   midi_track.add (Moment (0), &track_name);
  76
  77   Midi_tempo tempo (midi_l_->get_tempo_i (Moment (1, 4)));
  78   midi_track.add (Moment (0), &tempo);
  79
  80   midi_stream_r  << midi_track;
  81 }
  82
  83 void
  84 Audio_score::add_staff (Audio_staff* l)
  85 {
  86   audio_staff_l_list_.bottom().add (l);
  87 }
  88
  89 void
  90 Audio_score::add (Audio_element *p)
  91 {
  92   audio_elem_p_list_.bottom().add (p);
  93 }
  94
  95 void
  96 Audio_score::print() const
  97 {
  98 #ifndef NPRINT
  99   DOUT << "Audio_score { ";
 100   DOUT << "\ncolumns: ";
 101   for (PCursor<Audio_column*> i (audio_column_p_list_); i.ok(); i++)
 102         i->print();
 103   DOUT << "}\n";
 104 #endif
 105 }
 106
 107 void
 108 Audio_score::process()
 109 {
 110   String out=midi_l_->outfile_str_;
 111   if (out == "")
 112     out = default_out_str_ + ".midi";
 113
 114   Midi_stream midi_stream (out);
 115   *mlog << "MIDI output to " << out<< " ..." << endl;
 116
 117   output (midi_stream);
 118   *mlog << endl;
 119 }