score-performer.cc -- implement Score_performer
source file of the GNU LilyPond music typesetter
-
- (c) 1996, 1997 Jan Nieuwenhuizen <jan@digicash.com>
+
+ (c) 1996--2004 Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include <time.h>
#include "score-performer.hh"
-#include "input-translator.hh"
#include "midi-def.hh"
-#include "audio-item.hh"
#include "audio-column.hh"
-#include "audio-score.hh"
-#include "midi-item.hh"
+#include "audio-item.hh"
+#include "performance.hh"
#include "midi-stream.hh"
#include "string-convert.hh"
-#include "debug.hh"
-#include "main.hh"
-#include "score.hh"
-#include "source-file.hh"
-#include "source.hh"
+#include "warn.hh"
+#include "context-def.hh"
-IMPLEMENT_IS_TYPE_B1(Score_performer,Performer_group_performer);
-ADD_THIS_PERFORMER(Score_performer);
-
-Score_performer::Score_performer()
-{
- midi_l_ = 0;
-}
-Score_performer::~Score_performer()
-{
-}
-Translator*
-Score_performer::ancestor_l( int l )
-{
- return Global_translator::ancestor_l( l );
-}
+ENTER_DESCRIPTION(Score_performer,
+/* descr */ "",
+/* creats*/ "",
+/* accepts */ "",
+/* acks */ "",
+/* reads */ "",
+/* write */ "");
-int
-Score_performer::depth_i() const
-{
- return Global_translator::depth_i();
-}
-void
-Score_performer::finish()
+Score_performer::Score_performer ()
{
- Performer_group_performer::do_removal_processing();
-
+ performance_ = 0;
+}
- Midi_stream output_stream( midi_l_->outfile_str_, midi_item_l_arr_.size() + 1, 384 );
- *mlog << "MIDI output to " << midi_l_->outfile_str_ << " ..." << endl;
- header( output_stream);
-// int track_i = 1;
- for (int i=0; i< midi_item_l_arr_.size(); i++) {
- Midi_item * it_p = midi_item_l_arr_[i];
-
-// if ( it_p->is_type_b( Midi_track::static_name()))
-// ((Midi_track*)it_p )->number_i_ = track_i ++;
- output_stream<< *it_p;
- }
- *output_stream.os_p_ << flush;
- *mlog << endl;
+Score_performer::~Score_performer ()
+{
}
void
-Score_performer::play( Audio_item* l )
+Score_performer::play_element (Audio_element * p)
{
- l->audio_column_l_ = audio_column_l_;
- audio_column_l_->add( l );
+ if (Audio_item * i=dynamic_cast<Audio_item *> (p))
+ {
+ audio_column_->add_audio_item (i);
+ }
+ performance_->add_element (p);
}
void
-Score_performer::play( Midi_item* l )
+Score_performer::announce_element (Audio_element_info info)
{
- midi_item_l_arr_.push( l );
+ announce_infos_.push (info);
}
-Moment
-Score_performer::get_mom() const
+void
+Score_performer::prepare (Moment m)
{
- return now_mom_;
+ audio_column_ = new Audio_column (m);
+ play_element (audio_column_);
+ recurse_down_translators (daddy_context_, &Translator::start_translation_timestep, UP);
}
-void
-Score_performer::header(Midi_stream &output_stream)
-{
- Midi_track midi_track;
-
- time_t t = time( 0 );
-
- // perhaps multiple text events?
- String str = String( "Creator: " ) + get_version_str() + "\n";
-
- Midi_text creator( Midi_text::TEXT, str );
- midi_track.add( Moment( 0 ), &creator );
-
- str = "Automatically generated at ";
- str += ctime( &t );
- str = str.left_str( str.length_i() - 1 );
- str += "\n";
- Midi_text generate( Midi_text::TEXT, str );
- midi_track.add( Moment( 0 ), &generate );
-
- str = "from musical definition: ";
-
- str += score_l_->location_str();
- Midi_text from( Midi_text::TEXT, str );
- midi_track.add( Moment( 0 ), &from );
-
- Midi_text track_name( Midi_text::TRACK_NAME, "Track "
- + String_convert::i2dec_str( 0, 0, '0' ) );
- midi_track.add( Moment( 0 ), &track_name );
-
- Midi_tempo tempo ( get_tempo_i() );
- midi_track.add( Moment(0), &tempo);
-
- output_stream << midi_track;
-}
void
-Score_performer::prepare( Moment m )
+Score_performer::one_time_step ()
{
- now_mom_ = m;
- audio_column_l_ = new Audio_column( m );
-
- score_l_->audio_score_p_->add( audio_column_l_ );
+ recurse_down_translators (daddy_context_, &Performer::process_music, UP);
+ recurse_down_translators (daddy_context_, &Performer::do_announces, UP);
+ recurse_down_translators (daddy_context_, &Translator::stop_translation_timestep, UP);
}
-void
-Score_performer::process()
+int
+Score_performer::get_tempo () const
{
- process_requests();
- prev_mom_ = now_mom_;
+ return performance_->midi_->get_tempo (Moment (Rational (1, 4)));
}
-void
-Score_performer::set_score(Score* score_l )
+
+Music_output *
+Score_performer::get_output ()
{
- Global_translator::set_score( score_l );
- midi_l_ = score_l->midi_p_;
+ Music_output * o = performance_;
+ performance_ =0;
+ return o;
}
void
-Score_performer::start()
+Score_performer::initialize ()
{
- //<ugh>
- int track_i = 1;
- Performer_group_performer::set_track( track_i );
- //</ugh>
+ performance_ = new Performance;
+ performance_->midi_ = dynamic_cast<Midi_def*> (get_output_def ());
- if ( midi_l_->outfile_str_ == "" )
- midi_l_->outfile_str_ = default_out_fn + ".midi";
-}
-
-
-int
-Score_performer::get_tempo_i()const
-{
- return midi_l_->get_tempo_i(Moment( 1, 4 ));
+ Translator_group::initialize ();
}