/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1996--2011 Jan Nieuwenhuizen <janneke@gnu.org>
+ Copyright (C) 1996--2015 Jan Nieuwenhuizen <janneke@gnu.org>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "string-convert.hh"
#include "warn.hh"
#include "audio-staff.hh"
-#include "audio-item.hh"
ADD_TRANSLATOR_GROUP (Score_performer,
/* doc */
Performer_group::connect_to_context (c);
Dispatcher *d = c->get_global_context ()->event_source ();
- d->add_listener (GET_LISTENER (one_time_step), ly_symbol2scm ("OneTimeStep"));
- d->add_listener (GET_LISTENER (prepare), ly_symbol2scm ("Prepare"));
- d->add_listener (GET_LISTENER (finish), ly_symbol2scm ("Finish"));
+ d->add_listener (GET_LISTENER (Score_performer, one_time_step), ly_symbol2scm ("OneTimeStep"));
+ d->add_listener (GET_LISTENER (Score_performer, prepare), ly_symbol2scm ("Prepare"));
+ d->add_listener (GET_LISTENER (Score_performer, finish), ly_symbol2scm ("Finish"));
}
void
Score_performer::disconnect_from_context ()
{
Dispatcher *d = context ()->get_global_context ()->event_source ();
- d->remove_listener (GET_LISTENER (one_time_step), ly_symbol2scm ("OneTimeStep"));
- d->remove_listener (GET_LISTENER (prepare), ly_symbol2scm ("Prepare"));
- d->remove_listener (GET_LISTENER (finish), ly_symbol2scm ("Finish"));
+ d->remove_listener (GET_LISTENER (Score_performer, one_time_step), ly_symbol2scm ("OneTimeStep"));
+ d->remove_listener (GET_LISTENER (Score_performer, prepare), ly_symbol2scm ("Prepare"));
+ d->remove_listener (GET_LISTENER (Score_performer, finish), ly_symbol2scm ("Finish"));
Performer_group::disconnect_from_context ();
}
-IMPLEMENT_LISTENER (Score_performer, prepare);
void
Score_performer::prepare (SCM sev)
{
- Stream_event *ev = unsmob_stream_event (sev);
+ Stream_event *ev = unsmob<Stream_event> (sev);
SCM sm = ev->get_property ("moment");
- Moment *m = unsmob_moment (sm);
+ Moment *m = unsmob<Moment> (sm);
audio_column_ = new Audio_column (*m);
announce_element (Audio_element_info (audio_column_, 0));
precomputed_recurse_over_translators (context (), START_TRANSLATION_TIMESTEP, UP);
}
-IMPLEMENT_LISTENER (Score_performer, finish);
void
Score_performer::finish (SCM)
{
SCM channel_mapping = context ()->get_property ("midiChannelMapping");
- bool use_ports = channel_mapping == ly_symbol2scm ("voice");
+ bool use_ports = scm_is_eq (channel_mapping, ly_symbol2scm ("voice"));
performance_->ports_ = use_ports;
- recurse_over_translators (context (),
- &Translator::finalize,
- &Translator_group::finalize,
- UP);
+ recurse_over_translators
+ (context (),
+ Callback0_wrapper::make_smob<Translator, &Translator::finalize> (),
+ Callback0_wrapper::make_smob<Translator_group, &Translator_group::finalize> (),
+ UP);
}
-IMPLEMENT_LISTENER (Score_performer, one_time_step);
void
Score_performer::one_time_step (SCM)
{
+ // audio_column_ can be 0 when prepare has not been called. The
+ // condition is triggered when Simple_music_iterator implicitly
+ // creates a Score context, like when writing
+ //
+ // \score { { | c4 c c c } \midi { } }
+ //
+ // The same situation happens with the Score_engraver group, but it
+ // would appear not to suffer any bad side effects.
+
+ if (!audio_column_)
+ audio_column_ = new Audio_column (context ()->now_mom ());
if (to_boolean (context ()->get_property ("skipTypesetting")))
{
if (!skipping_)
Translator_group::initialize ();
}
-