lily/score-performer.cc

   1 /*
   2   score-performer.cc -- implement Score_performer
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1996, 1997 Jan Nieuwenhuizen <jan@digicash.com>
   7  */
   8
   9 #include "score-performer.hh"
  10 #include "input-translator.hh"
  11 #include "midi-def.hh"
  12 #include "audio-column.hh"
  13 #include "audio-item.hh"
  14 #include "audio-score.hh"
  15 #include "midi-stream.hh"
  16 #include "string-convert.hh"
  17 #include "debug.hh"
  18 #include "score.hh"
  19 #include "source-file.hh"
  20 #include "source.hh"
  21 #include "audio-staff.hh"
  22
  23 IMPLEMENT_IS_TYPE_B1(Score_performer,Performer_group_performer);
  24
  25 ADD_THIS_PERFORMER(Score_performer);
  26
  27
  28 Score_performer::Score_performer()
  29 {
  30 }
  31
  32
  33 Score_performer::~Score_performer()
  34 {
  35 }
  36
  37
  38 Translator*
  39 Score_performer::ancestor_l (int l)
  40 {
  41   return Global_translator::ancestor_l (l);
  42 }
  43
  44
  45 int
  46 Score_performer::depth_i() const
  47 {
  48   return Global_translator::depth_i();
  49 }
  50
  51
  52
  53 void
  54 Score_performer::play (Audio_element * p)
  55 {
  56   if  (p->is_type_b (Audio_item::static_name()))
  57     {
  58         audio_column_l_->add ((Audio_item*)p);
  59     }
  60   else if (p->is_type_b (Audio_staff::static_name()))
  61     {
  62       performance_p_->add_staff ((Audio_staff*)p);
  63     }
  64   performance_p_->add (p);
  65 }
  66
  67
  68 void
  69 Score_performer::prepare (Moment m)
  70 {
  71   now_mom_ = m;
  72   audio_column_l_ = new Audio_column (m);
  73   performance_p_->add (audio_column_l_);
  74 }
  75
  76
  77 void
  78 Score_performer::process()
  79 {
  80   process_requests();
  81 }
  82
  83
  84
  85 void
  86 Score_performer::start()
  87 {
  88 }
  89
  90
  91 int
  92 Score_performer::get_tempo_i() const
  93 {
  94   return performance_p_->midi_l_->get_tempo_i (Moment (1, 4));
  95 }
  96
  97 void
  98 Score_performer::finish()
  99 {
 100   Performer_group_performer::do_removal_processing();
 101 }
 102
 103 Music_output *
 104 Score_performer::get_output_p ()
 105 {
 106   Music_output * o = performance_p_;
 107   performance_p_ =0;
 108   return o;
 109 }