2 tempo-performer.cc -- implement Tempo_performer
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2000 Jan Nieuwenhuizen <janneke@gnu.org>
9 #include "tempo-performer.hh"
10 #include "command-request.hh"
11 #include "audio-item.hh"
13 ADD_THIS_TRANSLATOR (Tempo_performer);
15 Tempo_performer::Tempo_performer ()
21 Tempo_performer::~Tempo_performer ()
27 Tempo_performer::do_process_music ()
32 SCM met = tempo_req_l_->get_mus_property ("metronome-count");
33 audio_p_ = new Audio_tempo (tempo_req_l_->dur_.length_mom () /
35 * Moment(gh_scm2int (met)));
37 Audio_element_info info (audio_p_, tempo_req_l_);
38 announce_element (info);
44 Tempo_performer::do_pre_move_processing ()
48 play_element (audio_p_);
54 Tempo_performer::do_try_music (Music* req_l)
60 dynamic_cast <Tempo_req *> (req_l))