/*
- staff-performer.cc -- implement Staff_performer
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2010 Jan Nieuwenhuizen <janneke@gnu.org>
- (c) 1997--2003 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
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
-#include "translator-group.hh"
#include "warn.hh"
#include "audio-column.hh"
#include "audio-item.hh"
#include "audio-staff.hh"
-#include "performer-group-performer.hh"
+#include "performer-group.hh"
+#include "context.hh"
-/** Perform a staff. Individual notes should have their instrument
- (staff-wide) set, so we override play_element ()
-
- */
-class Staff_performer : public Performer_group_performer
+/* Perform a staff. Individual notes should have their instrument
+ (staff-wide) set, so we override play_element ()
+*/
+class Staff_performer : public Performer
{
public:
- TRANSLATOR_DECLARATIONS(Staff_performer);
+ TRANSLATOR_DECLARATIONS (Staff_performer);
~Staff_performer ();
- String new_instrument_string ();
- String instrument_string_;
+ string new_instrument_string ();
+ string instrument_string_;
protected:
- virtual void play_element (Audio_element* p);
+ virtual void acknowledge_audio_element (Audio_element_info info);
virtual void finalize ();
virtual void initialize ();
- virtual void create_audio_elements ();
- virtual void stop_translation_timestep ();
+ void process_music ();
+ void stop_translation_timestep ();
private:
- Audio_staff* audio_staff_;
- Audio_instrument* instrument_;
- Audio_text* instrument_name_;
- Audio_text* name_;
- Audio_tempo* tempo_;
+ Audio_staff *audio_staff_;
+ Audio_instrument *instrument_;
+ Audio_text *instrument_name_;
+ Audio_text *name_;
+ Audio_tempo *tempo_;
};
-ENTER_DESCRIPTION (Staff_performer, "", "",
- "",
- "", "", "");
+#include "translator.icc"
+
+ADD_TRANSLATOR (Staff_performer,
+ /* doc */
+ "",
+
+ /* create */
+ "",
+
+ /* read */
+ "",
+
+ /* write */
+ "");
Staff_performer::Staff_performer ()
{
Staff_performer::initialize ()
{
audio_staff_ = new Audio_staff;
- announce_element (Audio_element_info (audio_staff_, 0));
+ name_ = new Audio_text (Audio_text::TRACK_NAME, context ()->id_string ());
- name_ = new Audio_text (Audio_text::TRACK_NAME, id_string_);
+ audio_staff_->add_audio_item (name_);
+
+ announce_element (Audio_element_info (audio_staff_, 0));
announce_element (Audio_element_info (name_, 0));
-
- tempo_ = new Audio_tempo (get_tempo ());
- announce_element (Audio_element_info (tempo_, 0));
-
- Performer_group_performer::initialize ();
}
void
-Staff_performer::create_audio_elements ()
+Staff_performer::process_music ()
{
- String str = new_instrument_string ();
+ string str = new_instrument_string ();
if (str.length ())
{
instrument_name_ = new Audio_text (Audio_text::INSTRUMENT_NAME, str);
announce_element (Audio_element_info (instrument_name_, 0));
instrument_ = new Audio_instrument (str);
announce_element (Audio_element_info (instrument_, 0));
+
+ audio_staff_->add_audio_item (instrument_);
+ audio_staff_->add_audio_item (instrument_name_);
+
+ /*
+ Have to be here before notes arrive into the staff.
+ */
}
- Performer_group_performer::create_audio_elements ();
}
void
Staff_performer::stop_translation_timestep ()
{
- /*
- UGH. -> don't use eval.
- */
-
- SCM proc = scm_primitive_eval (ly_symbol2scm ("percussion?"));
- SCM drums = gh_call1 (proc, ly_symbol2scm (instrument_string_.to_str0 ()));
- audio_staff_->channel_ = (drums == SCM_BOOL_T ? 9 : -1 );
+ SCM proc = ly_lily_module_constant ("percussion?");
+
+ SCM drums = scm_call_1 (proc, ly_symbol2scm (instrument_string_.c_str ()));
+ audio_staff_->channel_ = (drums == SCM_BOOL_T ? 9 : -1);
if (name_)
{
- play_element (name_);
name_ = 0;
}
if (tempo_)
{
- play_element (tempo_);
tempo_ = 0;
}
- if (instrument_name_)
- {
- play_element (instrument_name_);
- instrument_name_ = 0;
- }
- if (instrument_)
- {
- play_element (instrument_);
- instrument_ = 0;
- }
- Performer_group_performer::stop_translation_timestep ();
+ instrument_name_ = 0;
+ instrument_ = 0;
}
void
Staff_performer::finalize ()
{
- Performer_group_performer::finalize ();
- Performer::play_element (audio_staff_);
audio_staff_ = 0;
}
-String
-Staff_performer::new_instrument_string ()
-{
+string
+Staff_performer::new_instrument_string ()
+{
// mustn't ask Score for instrument: it will return piano!
SCM minstr = get_property ("midiInstrument");
- if (!gh_string_p (minstr))
- minstr = get_property ("instrument");
-
- if (!gh_string_p (minstr)
+ if (!scm_is_string (minstr)
|| ly_scm2string (minstr) == instrument_string_)
return "";
return instrument_string_;
}
-void
-Staff_performer::play_element (Audio_element* p)
+void
+Staff_performer::acknowledge_audio_element (Audio_element_info inf)
{
- if (Audio_item *ai = dynamic_cast<Audio_item *> (p))
- {
- audio_staff_->add_audio_item (ai);
- }
- Performer::play_element (p);
+ if (Audio_item *ai = dynamic_cast<Audio_item *> (inf.elem_))
+ audio_staff_->add_audio_item (ai);
}