X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fscore-performer.cc;h=b44bb489f5b9ccec4b8c46eb97775ac9278eae25;hb=a6a51abfd0195a3cf7d6ea095cf69808852f21ce;hp=833a8575de9453b4e37c7119a965ad2e1da107d5;hpb=f2c2c5c43858f323e4708f83fd97e0f38017c275;p=lilypond.git diff --git a/lily/score-performer.cc b/lily/score-performer.cc index 833a8575de..b44bb489f5 100644 --- a/lily/score-performer.cc +++ b/lily/score-performer.cc @@ -1,33 +1,55 @@ /* - 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--2005 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 "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 "warn.hh" -#include "context-def.hh" -#include "output-def.hh" -#include "context.hh" +#include "audio-staff.hh" ADD_TRANSLATOR_GROUP (Score_performer, - /* descr */ "", - /* creats*/ "", - /* accepts */ "", - /* reads */ "", - /* write */ ""); + /* doc */ + "", + + /* create */ + "", + + /* read */ + "", + + /* write */ + "" + ); Score_performer::Score_performer () { performance_ = 0; + skipping_ = false; + audio_column_ = 0; } Score_performer::~Score_performer () @@ -35,58 +57,110 @@ Score_performer::~Score_performer () } void -Score_performer::play_element (Audio_element *p) +Score_performer::announce_element (Audio_element_info info) { - if (Audio_item *i = dynamic_cast (p)) + announce_infos_.push_back (info); + if (Audio_staff *s = dynamic_cast (info.elem_)) { - audio_column_->add_audio_item (i); + performance_->audio_staffs_.push_back (s); } - performance_->add_element (p); + + performance_->add_element (info.elem_); } void -Score_performer::announce_element (Audio_element_info info) +Score_performer::acknowledge_audio_elements () { - announce_infos_.push (info); + 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::prepare (Moment m) +Score_performer::connect_to_context (Context *c) { - audio_column_ = new Audio_column (m); - play_element (audio_column_); - precomputed_recurse_over_translators (context (), START_TRANSLATION_TIMESTEP, UP); + Performer_group::connect_to_context (c); + + Dispatcher *d = c->get_global_context ()->event_source (); + d->add_listener (GET_LISTENER (Score_performer, one_time_step), ly_symbol2scm ("OneTimeStep")); + d->add_listener (GET_LISTENER (Score_performer, prepare), ly_symbol2scm ("Prepare")); + d->add_listener (GET_LISTENER (Score_performer, finish), ly_symbol2scm ("Finish")); } void -Score_performer::finish () +Score_performer::disconnect_from_context () { - recurse_over_translators (context (), - &Translator::finalize, - &Translator_group::finalize, - UP); + Dispatcher *d = context ()->get_global_context ()->event_source (); + d->remove_listener (GET_LISTENER (Score_performer, one_time_step), ly_symbol2scm ("OneTimeStep")); + d->remove_listener (GET_LISTENER (Score_performer, prepare), ly_symbol2scm ("Prepare")); + d->remove_listener (GET_LISTENER (Score_performer, finish), ly_symbol2scm ("Finish")); + + Performer_group::disconnect_from_context (); } void -Score_performer::one_time_step () +Score_performer::prepare (SCM sev) { - precomputed_recurse_over_translators (context (), PROCESS_MUSIC, UP); - do_announces (); - precomputed_recurse_over_translators (context (), STOP_TRANSLATION_TIMESTEP, UP); + Stream_event *ev = unsmob (sev); + SCM sm = ev->get_property ("moment"); + Moment *m = 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); } -int -Score_performer::get_tempo () const +void +Score_performer::finish (SCM) { - return ::get_tempo (performance_->midi_, Moment (Rational (1, 4))); + SCM channel_mapping = context ()->get_property ("midiChannelMapping"); + bool use_ports = scm_is_eq (channel_mapping, ly_symbol2scm ("voice")); + performance_->ports_ = use_ports; + recurse_over_translators + (context (), + Callback0_wrapper::make_smob (), + Callback0_wrapper::make_smob (), + UP); } -SCM -Score_performer::get_output () +void +Score_performer::one_time_step (SCM) { - Music_output *o = performance_; - performance_ = 0; - return o->self_scm (); + // 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 @@ -95,15 +169,15 @@ Score_performer::derived_mark () const if (performance_) scm_gc_mark (performance_->self_scm ()); - Score_translator::derived_mark (); - Performer_group_performer::derived_mark (); + Performer_group::derived_mark (); } void Score_performer::initialize () { performance_ = new Performance; - scm_gc_unprotect_object (performance_->self_scm ()); + performance_->unprotect (); + context ()->set_property ("output", performance_->self_scm ()); performance_->midi_ = context ()->get_output_def (); Translator_group::initialize ();