/*
staff-performer.cc -- implement Staff_performer
- (c) 1996, 1997 Jan Nieuwenhuizen <jan@digicash.com>
- */
+ source file of the GNU LilyPond music typesetter
+ (c) 1997--1999 Jan Nieuwenhuizen <janneke@gnu.org>
+ */
#include "staff-performer.hh"
-#include "translator.hh"
-#include "input-translator.hh"
+#include "translator-group.hh"
#include "debug.hh"
-#include "midi-def.hh"
-#include "midi-item.hh"
-#include "midi-stream.hh"
-#include "string.hh"
-#include "string-convert.hh"
+#include "audio-column.hh"
+#include "audio-item.hh"
+#include "audio-staff.hh"
+
+ADD_THIS_TRANSLATOR (Staff_performer);
-IMPLEMENT_IS_TYPE_B1(Staff_performer,Performer_group_performer);
-ADD_THIS_PERFORMER(Staff_performer);
+Staff_performer::Staff_performer ()
+{
+ audio_staff_p_ = 0;
+ instrument_p_ = 0;
+ instrument_name_p_ = 0;
+ name_p_ = 0;
+ tempo_p_ = 0;
+}
-Staff_performer::Staff_performer()
+Staff_performer::~Staff_performer ()
{
- midi_mom_ = 0;
- midi_track_p_ = new Midi_track;
}
+
void
-Staff_performer::do_creation_processing()
+Staff_performer::do_creation_processing ()
{
- header();
+ audio_staff_p_ = new Audio_staff;
+ announce_element (Audio_element_info (audio_staff_p_, 0));
+
+ name_p_ = new Audio_text (Audio_text::TRACK_NAME, id_str_);
+ announce_element (Audio_element_info (name_p_, 0));
+
+ tempo_p_ = new Audio_tempo (get_tempo_i ());
+ announce_element (Audio_element_info (tempo_p_, 0));
+
+ Performer_group_performer::do_creation_processing ();
}
void
-Staff_performer::do_removal_processing()
+Staff_performer::do_process_requests ()
{
- Performer::play_event( midi_track_p_);
+ String str = new_instrument_str ();
+ if (str.length_i ())
+ {
+ instrument_name_p_ = new Audio_text (Audio_text::INSTRUMENT_NAME, str);
+ announce_element (Audio_element_info (instrument_name_p_, 0));
+ instrument_p_ = new Audio_instrument (str);
+ announce_element (Audio_element_info (instrument_p_, 0));
+ }
+ Performer_group_performer::do_process_requests ();
}
-Staff_performer::~Staff_performer()
+void
+Staff_performer::do_pre_move_processing ()
{
- delete midi_track_p_;
+ if (name_p_)
+ {
+ play_element (name_p_);
+ name_p_ = 0;
+ }
+ if (tempo_p_)
+ {
+ play_element (tempo_p_);
+ tempo_p_ = 0;
+ }
+ if (instrument_name_p_)
+ {
+ play_element (instrument_name_p_);
+ instrument_name_p_ = 0;
+ }
+ if (instrument_p_)
+ {
+ play_element (instrument_p_);
+ instrument_p_ = 0;
+ }
+ Performer_group_performer::do_pre_move_processing ();
}
void
-Staff_performer::header()
+Staff_performer::do_removal_processing ()
{
- // set track name
- Midi_text track_name( Midi_text::TRACK_NAME, instrument_str());
- midi_track_p_->add( Moment( 0 ), &track_name );
-
- // set instrument description
- Midi_text instrument_name( Midi_text::INSTRUMENT_NAME, instrument_str() );
- midi_track_p_->add( Moment( 0 ), &instrument_name );
-
- // set instrument :-)
- // lieve wendy, nu heb je mijn track_i_ / get_staff_i weggehaald...
- // zie ook note-performer: ugh
- // ugh, need to know channel (===track===staff) too
- int channel_i = track_i_;
- Midi_instrument instrument( channel_i, instrument_str() );
- midi_track_p_->add( Moment( 0 ), &instrument );
-
- Midi_tempo midi_tempo( get_tempo_i( ) );
- midi_track_p_->add( Moment( 0 ), &midi_tempo );
+ Performer_group_performer::do_removal_processing ();
+ Performer::play_element (audio_staff_p_);
+ audio_staff_p_ = 0;
}
String
-Staff_performer::instrument_str()
+Staff_performer::new_instrument_str ()
{
- return Translator::id_str_;
-}
+ // mustn't ask Score for instrument: it will return piano!
+ SCM minstr = get_property (ly_symbol2scm ("midiInstrument"), 0);
-void
-Staff_performer::play_event( Midi_item* l )
-{
- Moment mom = get_mom();
- Moment delta_t = mom - midi_mom_ ;
- midi_mom_ += delta_t;
- midi_track_p_->add( delta_t, l);
-}
+ if (!gh_string_p(minstr))
+ minstr = get_property (ly_symbol2scm ("instrument"), 0);
+ if (ly_scm2string (minstr) == instrument_str_)
+ return "";
-//<ugh>
-int
-Staff_performer::get_track_i() const
-{
- return track_i_;
+ instrument_str_ = ly_scm2string (minstr);
+
+ return instrument_str_;
}
-void
-Staff_performer::set_track( int& track_i_r )
+void
+Staff_performer::play_element (Audio_element* p)
{
- track_i_ = track_i_r++;
+ if (Audio_item *ai = dynamic_cast<Audio_item *> (p))
+ {
+ audio_staff_p_->add_audio_item (ai);
+ }
+ Performer::play_element (p);
}
-//</ugh>