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--1999 Jan Nieuwenhuizen <janneke@gnu.org>
   7  */
   8
   9 #include "score-performer.hh"
  10 #include "midi-def.hh"
  11 #include "audio-column.hh"
  12 #include "audio-item.hh"
  13 #include "performance.hh"
  14 #include "midi-stream.hh"
  15 #include "string-convert.hh"
  16 #include "debug.hh"
  17 #include "score.hh"
  18 #include "source-file.hh"
  19 #include "source.hh"
  20 #include "audio-staff.hh"
  21
  22
  23 ADD_THIS_TRANSLATOR(Score_performer);
  24
  25
  26 Score_performer::Score_performer()
  27 {
  28 }
  29
  30
  31 Score_performer::~Score_performer()
  32 {
  33 }
  34
  35 void
  36 Score_performer::play (Audio_element * p)
  37 {
  38   if  (Audio_item * i=dynamic_cast<Audio_item *> (p))
  39     {
  40       audio_column_l_->add_audio_item (i);
  41     }
  42   performance_p_->add_element (p);
  43 }
  44
  45 void
  46 Score_performer::prepare (Moment m)
  47 {
  48   Global_translator::prepare (m);
  49   audio_column_l_ = new Audio_column (m);
  50   play (audio_column_l_);
  51   post_move_processing ();
  52 }
  53
  54
  55 void
  56 Score_performer::process()
  57 {
  58   process_requests();
  59   do_announces ();
  60   pre_move_processing();
  61   check_removal();
  62 }
  63
  64 void
  65 Score_performer::start()
  66 {
  67 }
  68
  69
  70 int
  71 Score_performer::get_tempo_i() const
  72 {
  73   return performance_p_->midi_l_->get_tempo_i (Moment (1, 4));
  74 }
  75
  76 void
  77 Score_performer::finish()
  78 {
  79   check_removal ();
  80   removal_processing();
  81 }
  82
  83 Music_output *
  84 Score_performer::get_output_p ()
  85 {
  86   Music_output * o = performance_p_;
  87   performance_p_ =0;
  88   return o;
  89 }
  90
  91 void
  92 Score_performer::do_add_processing ()
  93 {
  94   Translator_group::do_add_processing ();
  95   assert (dynamic_cast<Midi_def *> (output_def_l_));
  96   performance_p_ = new Performance;
  97   performance_p_->midi_l_ = dynamic_cast<Midi_def*>(output_def_l_);
  98 }