X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fscore-performer.cc;h=9c1e55f3c23365a6fecfd2af8a5f586a60f66cc6;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=ea27d507b84c9482364ca1f25d7878a1a41cfa24;hpb=6a62932652940f4ac2931f75d48796887fbc5fdc;p=lilypond.git diff --git a/lily/score-performer.cc b/lily/score-performer.cc index ea27d507b8..9c3b82267d 100644 --- a/lily/score-performer.cc +++ b/lily/score-performer.cc @@ -1,104 +1,187 @@ /* - score-performer.cc -- implement Score_performer + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 1996--2015 Jan Nieuwenhuizen - (c) 1996, 1997 Jan Nieuwenhuizen - */ + 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 . +*/ #include "score-performer.hh" -#include "input-translator.hh" -#include "midi-def.hh" + #include "audio-column.hh" #include "audio-item.hh" -#include "audio-score.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 "score.hh" -#include "source-file.hh" -#include "source.hh" +#include "warn.hh" #include "audio-staff.hh" +#include "audio-item.hh" -IMPLEMENT_IS_TYPE_B1(Score_performer,Performer_group_performer); +ADD_TRANSLATOR_GROUP (Score_performer, + /* doc */ + "", -ADD_THIS_PERFORMER(Score_performer); + /* create */ + "", + /* read */ + "", -Score_performer::Score_performer() + /* write */ + "" + ); + +Score_performer::Score_performer () { + performance_ = 0; + skipping_ = false; + audio_column_ = 0; } - -Score_performer::~Score_performer() +Score_performer::~Score_performer () { } +void +Score_performer::announce_element (Audio_element_info info) +{ + announce_infos_.push_back (info); + if (Audio_staff *s = dynamic_cast (info.elem_)) + { + performance_->audio_staffs_.push_back (s); + } -Translator* -Score_performer::ancestor_l(int l) -{ - return Global_translator::ancestor_l(l); + performance_->add_element (info.elem_); } - -int -Score_performer::depth_i() const -{ - return Global_translator::depth_i(); +void +Score_performer::acknowledge_audio_elements () +{ + for (vsize i = 0; i < announce_infos_.size (); i++) + { + if (Audio_item *ai = dynamic_cast (announce_infos_[i].elem_)) + audio_column_->add_audio_item (ai); + } + Performer_group::acknowledge_audio_elements (); } - void -Score_performer::finish() +Score_performer::connect_to_context (Context *c) { - Performer_group_performer::do_removal_processing(); -} + 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::play(Audio_element * p) +Score_performer::disconnect_from_context () { - if (p->is_type_b(Audio_item::static_name())) { - audio_column_l_->add( (Audio_item*)p); - } else if (p->is_type_b(Audio_staff::static_name())) { - score_l_->audio_score_p_->add_staff( (Audio_staff*)p ); - } - score_l_->audio_score_p_->add(p); -} + 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; - audio_column_l_ = new Audio_column(m); - score_l_->audio_score_p_->add(audio_column_l_); + 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(); + 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) { - Global_translator::set_score(score_l); -} + // 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 { -} + if (performance_) + scm_gc_mark (performance_->self_scm ()); + Performer_group::derived_mark (); +} -int -Score_performer::get_tempo_i()const +void +Score_performer::initialize () { - return score_l_->midi_p_->get_tempo_i(Moment(1, 4)); + performance_ = new Performance; + performance_->unprotect (); + context ()->set_property ("output", performance_->self_scm ()); + performance_->midi_ = context ()->get_output_def (); + + Translator_group::initialize (); }