X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=lily%2Fscore-performer.cc;h=b44bb489f5b9ccec4b8c46eb97775ac9278eae25;hb=97a0169312a260933246ab224e4f8b0969871dd5;hp=df8ff16747e06cf2d3f89a8a20c43d34ef025d63;hpb=50802c7203c8e4a3eea1d7bf23064d60cd0d3ec7;p=lilypond.git diff --git a/lily/score-performer.cc b/lily/score-performer.cc index df8ff16747..b44bb489f5 100644 --- a/lily/score-performer.cc +++ b/lily/score-performer.cc @@ -1,151 +1,184 @@ /* - score-performer.cc -- implement Score_performer + This file is part of LilyPond, the GNU music typesetter. - (c) 1996, 1997 Jan Nieuwenhuizen - */ + Copyright (C) 1996--2015 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 #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" -IMPLEMENT_IS_TYPE_B1(Score_performer,Performer_group_performer); -ADD_THIS_PERFORMER(Score_performer); +ADD_TRANSLATOR_GROUP (Score_performer, + /* doc */ + "", -Score_performer::Score_performer() + /* create */ + "", + + /* read */ + "", + + /* write */ + "" + ); + +Score_performer::Score_performer () { - midi_l_ = 0; + performance_ = 0; + skipping_ = false; + audio_column_ = 0; } -Score_performer::~Score_performer() +Score_performer::~Score_performer () { } -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 (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 () { - Performer_group_performer::do_removal_processing(); - - - Midi_stream output_stream( midi_l_->outfile_str_, midi_item_p_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_p_arr_.size(); i++) { - Midi_item * it_p = midi_item_p_arr_[i]; - - if ( it_p->is_type_b( Midi_track::static_name())) - ((Midi_track*)it_p )->number_i_ = track_i ++; - output_stream<< *it_p; + 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); } - *output_stream.os_p_ << flush; - *mlog << endl; + Performer_group::acknowledge_audio_elements (); } void -Score_performer::play_event(Midi_item*m) +Score_performer::connect_to_context (Context *c) { - midi_item_p_arr_.push(m); -} + Performer_group::connect_to_context (c); -Moment -Score_performer::get_mom() const -{ - return now_mom_; + 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::header(Midi_stream &output_stream) +Score_performer::disconnect_from_context () { - Midi_track midi_track; - - time_t t = time( 0 ); + 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")); - // 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; + Performer_group::disconnect_from_context (); } -void -Score_performer::prepare( Moment m ) +void +Score_performer::prepare (SCM sev) { - now_mom_ = m; + 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); } -void -Score_performer::process() +void +Score_performer::finish (SCM) { - process_requests(); - prev_mom_ = now_mom_; + 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); } void -Score_performer::set_score(Score* score_l ) +Score_performer::one_time_step (SCM) { - 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( track_i ); - // + if (performance_) + scm_gc_mark (performance_->self_scm ()); - if ( midi_l_->outfile_str_ == "" ) - midi_l_->outfile_str_ = default_out_fn + ".midi"; + Performer_group::derived_mark (); } - -int -Score_performer::get_tempo_i()const +void +Score_performer::initialize () { - return midi_l_->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 (); }