/*
- score-performer.cc -- implement Score_performer
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 1996, 1997 Jan Nieuwenhuizen <jan@digicash.com>
- */
+ 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
+ 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 <time.h>
#include "score-performer.hh"
-#include "input-translator.hh"
-#include "midi-def.hh"
-#include "midi-item.hh"
+
+#include "audio-column.hh"
+#include "audio-item.hh"
+#include "context-def.hh"
+#include "dispatcher.hh"
+#include "global-context.hh"
+#include "performance.hh"
#include "midi-stream.hh"
+#include "output-def.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 "audio-staff.hh"
+#include "audio-item.hh"
+
+ADD_TRANSLATOR_GROUP (Score_performer,
+ /* doc */
+ "",
-IMPLEMENT_IS_TYPE_B1(Score_performer,Performer_group_performer);
-IMPLEMENT_STATIC_NAME(Score_performer);
-ADD_THIS_PERFORMER(Score_performer);
+ /* create */
+ "",
-Score_performer::Score_performer()
+ /* read */
+ "",
+
+ /* write */
+ ""
+ );
+
+Score_performer::Score_performer ()
{
- midi_stream_p_ = 0;
- midi_l_ = 0;
+ performance_ = 0;
+ skipping_ = false;
+ audio_column_ = 0;
}
-Score_performer::~Score_performer()
+Score_performer::~Score_performer ()
{
- delete midi_stream_p_;
}
-Translator*
-Score_performer::ancestor_l( int l )
-{
- return Global_translator::ancestor_l( l );
-}
+void
+Score_performer::announce_element (Audio_element_info info)
+{
+ announce_infos_.push_back (info);
+ if (Audio_staff *s = dynamic_cast<Audio_staff *> (info.elem_))
+ {
+ performance_->audio_staffs_.push_back (s);
+ }
-int
-Score_performer::depth_i() const
-{
- return Global_translator::depth_i();
+ performance_->add_element (info.elem_);
}
void
-Score_performer::finish()
+Score_performer::acknowledge_audio_elements ()
{
- *mlog << "MIDI output to " << midi_l_->outfile_str_ << " ..." << endl;
- *mlog << "tracks: ";
- header();
- Performer_group_performer::midi_output( midi_stream_p_ );
- *mlog << endl;
+ for (vsize i = 0; i < announce_infos_.size (); i++)
+ {
+ if (Audio_item *ai = dynamic_cast<Audio_item *> (announce_infos_[i].elem_))
+ audio_column_->add_audio_item (ai);
+ }
+ Performer_group::acknowledge_audio_elements ();
}
-Moment
-Score_performer::get_mom() const
+void
+Score_performer::connect_to_context (Context *c)
{
- return now_mom_;
+ 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"));
}
void
-Score_performer::header()
+Score_performer::disconnect_from_context ()
{
- int track_i = 0;
- Midi_track midi_track( track_i );
-
- 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 = "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: ";
-#if 0
- Source_file* sourcefile_l = source_l_g->sourcefile_l( score_l_->defined_ch_C_ );
- if ( sourcefile_l )
- str += sourcefile_l->name_str();
-#elif 1
- str += score_l_->location_str();
-#else
- str += score_l_->
-#endif
- Midi_text from( Midi_text::TEXT, str );
- midi_track.add( Moment( 0 ), &from );
-
- // set track name
- Midi_text track_name( Midi_text::TRACK_NAME, "Track " + String_convert::i2dec_str( 0, 0, '0' ) );
- midi_track.add( Moment( 0 ), &track_name );
-
- // ugh, to please lily when reparsing mi2mu output.
- // lily currently barfs when no meter present.
- /* are you sure? init is to 4/4 HWN */
- Midi_time midi_time( 4, 4, 18 );
- midi_track.add( Moment( 0.0 ), &midi_time );
-
- *mlog << "[" << track_i << "]";
- *midi_stream_p_ << midi_track;
+ 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"));
+
+ Performer_group::disconnect_from_context ();
}
-void
-Score_performer::prepare( Moment m )
+IMPLEMENT_LISTENER (Score_performer, prepare);
+void
+Score_performer::prepare (SCM sev)
{
- now_mom_ = m;
+ Stream_event *ev = Stream_event::unsmob (sev);
+ SCM sm = ev->get_property ("moment");
+ Moment *m = Moment::unsmob (sm);
+ audio_column_ = new Audio_column (*m);
+ announce_element (Audio_element_info (audio_column_, 0));
+ precomputed_recurse_over_translators (context (), START_TRANSLATION_TIMESTEP, UP);
}
-void
-Score_performer::process()
+IMPLEMENT_LISTENER (Score_performer, finish);
+void
+Score_performer::finish (SCM)
{
- process_requests();
- prev_mom_ = now_mom_;
+ SCM channel_mapping = context ()->get_property ("midiChannelMapping");
+ bool use_ports = channel_mapping == ly_symbol2scm ("voice");
+ performance_->ports_ = use_ports;
+ recurse_over_translators (context (),
+ &Translator::finalize,
+ &Translator_group::finalize,
+ UP);
}
+IMPLEMENT_LISTENER (Score_performer, one_time_step);
void
-Score_performer::set_score( Score* score_l )
+Score_performer::one_time_step (SCM)
{
- /*
- why's there no start() when there's a finish()?
- let's misuse this for start()
- */
- Global_translator::set_score( score_l );
- midi_l_ = score_l->midi_p_;
+ // 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_)
+ {
+ skip_start_mom_ = audio_column_->when ();
+ skipping_ = true;
+ }
+ }
+ else
+ {
+ if (skipping_)
+ {
+ offset_mom_ -= audio_column_->when () - skip_start_mom_;
+ skipping_ = false;
+ }
+
+ audio_column_->offset_when (offset_mom_);
+ precomputed_recurse_over_translators (context (), PROCESS_MUSIC, UP);
+ do_announces ();
+ }
+
+ precomputed_recurse_over_translators (context (), STOP_TRANSLATION_TIMESTEP, UP);
}
void
-Score_performer::start()
+Score_performer::derived_mark () const
{
- int track_i = 1;
- Performer_group_performer::set_track( midi_l_, track_i );
+ if (performance_)
+ scm_gc_mark (performance_->self_scm ());
- if ( midi_l_->outfile_str_ == "" )
- midi_l_->outfile_str_ = default_out_fn + ".midi";
-
- midi_stream_p_ = new Midi_stream( midi_l_->outfile_str_, track_i, 384 );
+ Performer_group::derived_mark ();
}
+void
+Score_performer::initialize ()
+{
+ performance_ = new Performance;
+ performance_->unprotect ();
+ context ()->set_property ("output", performance_->self_scm ());
+ performance_->midi_ = context ()->get_output_def ();
+
+ Translator_group::initialize ();
+}
projects / lilypond.git / blobdiff