lily/audio-staff.cc

   1 /*
   2   audio-staff.cc -- implement Audio_staff
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997--2009 Jan Nieuwenhuizen <janneke@gnu.org>
   7 */
   8
   9 #include "audio-staff.hh"
  10
  11 #include "midi-chunk.hh"
  12 #include "midi-stream.hh"
  13 #include "midi-walker.hh"
  14
  15 void
  16 Audio_staff::add_audio_item (Audio_item *l)
  17 {
  18   audio_items_.push_back (l);
  19 }
  20
  21 Audio_staff::Audio_staff ()
  22 {
  23   channel_ = -1;
  24 }
  25
  26 void
  27 Audio_staff::output (Midi_stream &midi_stream, int channel)
  28 {
  29   Midi_track midi_track;
  30   midi_track.number_ = channel;
  31
  32   Midi_walker i (this, &midi_track, channel);
  33   for (; i.ok (); i++)
  34     i.process ();
  35
  36   i.finalize ();
  37
  38   midi_stream.write (midi_track);
  39 }
  40