/*
- staff-performer.cc -- implement Staff_performer
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 1996, 1997 Jan Nieuwenhuizen <jan@digicash.com>
- */
+ Copyright (C) 1997--2011 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.
-#include "staff-performer.hh"
-#include "translator.hh"
-#include "input-translator.hh"
-#include "debug.hh"
-#include "midi-def.hh"
-#include "midi-item.hh"
-#include "midi-stream.hh"
-#include "string.hh"
-#include "string-convert.hh"
+ 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/>.
+*/
-IMPLEMENT_IS_TYPE_B1(Staff_performer,Performer_group_performer);
-ADD_THIS_PERFORMER(Staff_performer);
+#include <map>
-Staff_performer::Staff_performer()
+#include "audio-column.hh"
+#include "audio-item.hh"
+#include "audio-staff.hh"
+#include "context.hh"
+#include "international.hh"
+#include "performer-group.hh"
+#include "warn.hh"
+
+/* Perform a staff. Individual notes should have their instrument
+ (staff-wide) set, so we override play_element ()
+*/
+class Staff_performer : public Performer
+{
+public:
+ TRANSLATOR_DECLARATIONS (Staff_performer);
+ ~Staff_performer ();
+
+protected:
+ virtual void acknowledge_audio_element (Audio_element_info info);
+ virtual void finalize ();
+ virtual void initialize ();
+ void process_music ();
+ void stop_translation_timestep ();
+
+private:
+ string new_instrument_string ();
+ void set_instrument_name (string voice);
+ void set_instrument (int channel, string voice);
+ int get_channel (string instrument);
+ Audio_staff* get_audio_staff (string voice);
+ Audio_staff* new_audio_staff (string voice);
+ Audio_dynamic* get_dynamic (string voice);
+
+ string instrument_string_;
+ int channel_;
+ Audio_instrument *instrument_;
+ Audio_text *instrument_name_;
+ Audio_text *name_;
+ Audio_tempo *tempo_;
+ map<string, Audio_staff*> staff_map_;
+ map<string, int> channel_map_;
+ map<string, Audio_dynamic*> dynamic_map_;
+ static map<string, int> static_channel_map_;
+ static int channel_count_;
+};
+
+map<string, int> Staff_performer::static_channel_map_;
+int Staff_performer::channel_count_ = 0;
+
+#include "translator.icc"
+
+ADD_TRANSLATOR (Staff_performer,
+ /* doc */
+ "",
+
+ /* create */
+ "",
+
+ /* read */
+ "",
+
+ /* write */
+ "");
+
+Staff_performer::Staff_performer ()
+ : channel_ (-1)
+ , instrument_ (0)
+ , instrument_name_ (0)
+ , name_ (0)
+ , tempo_ (0)
+{
+}
+
+Staff_performer::~Staff_performer ()
+{
+}
+
+void
+Staff_performer::initialize ()
+{
+}
+
+Audio_staff*
+Staff_performer::new_audio_staff (string voice)
+{
+ Audio_staff* audio_staff = new Audio_staff;
+ string track_name = context ()->id_string () + ":" + voice;
+ if (track_name != ":")
+ {
+ name_ = new Audio_text (Audio_text::TRACK_NAME, context ()->id_string ()
+ + ":" + voice);
+ audio_staff->add_audio_item (name_);
+ announce_element (Audio_element_info (name_, 0));
+ }
+ announce_element (Audio_element_info (audio_staff, 0));
+ staff_map_[voice] = audio_staff;
+ if (!instrument_string_.empty ())
+ set_instrument (channel_, voice);
+ return audio_staff;
+}
+
+Audio_staff*
+Staff_performer::get_audio_staff (string voice)
+{
+ SCM channel_mapping = get_property ("midiChannelMapping");
+ if (channel_mapping != ly_symbol2scm ("instrument")
+ && staff_map_.size ())
+ return staff_map_.begin ()->second;
+
+ map<string, Audio_staff*>::const_iterator i = staff_map_.find (voice);
+ if (i != staff_map_.end ())
+ return i->second;
+ map<string, Audio_staff*>::const_iterator e = staff_map_.find ("");
+ if (staff_map_.size () == 1 && e != staff_map_.end ())
+ {
+ staff_map_[voice] = e->second;
+ return e->second;
+ }
+ return new_audio_staff (voice);
+}
+
+Audio_dynamic*
+Staff_performer::get_dynamic (string voice)
{
- midi_mom_ = 0;
- midi_track_p_ = new Midi_track;
+ map<string, Audio_dynamic*>::const_iterator i = dynamic_map_.find (voice);
+ if (i != dynamic_map_.end ())
+ return i->second;
+ return 0;
}
+
void
-Staff_performer::do_creation_processing()
+Staff_performer::process_music ()
{
- header();
}
void
-Staff_performer::do_removal_processing()
+Staff_performer::set_instrument (int channel, string voice)
{
- Performer::play_event( midi_track_p_);
+ instrument_ = new Audio_instrument (instrument_string_);
+ instrument_->channel_ = channel;
+ announce_element (Audio_element_info (instrument_, 0));
+ Audio_staff* audio_staff = get_audio_staff (voice);
+ audio_staff->add_audio_item (instrument_);
+ SCM proc = ly_lily_module_constant ("percussion?");
+ SCM drums = scm_call_1 (proc, ly_symbol2scm (instrument_string_.c_str ()));
+ audio_staff->percussion_ = (drums == SCM_BOOL_T);
}
-Staff_performer::~Staff_performer()
+void
+Staff_performer::set_instrument_name (string voice)
{
- delete midi_track_p_;
+ instrument_name_ = new Audio_text (Audio_text::INSTRUMENT_NAME,
+ instrument_string_);
+ announce_element (Audio_element_info (instrument_name_, 0));
+ get_audio_staff (voice)->add_audio_item (instrument_name_);
}
void
-Staff_performer::header()
+Staff_performer::stop_translation_timestep ()
{
- // set track name
- Midi_text track_name( Midi_text::TRACK_NAME, instrument_str());
- midi_track_p_->add( Moment( 0 ), &track_name );
+ name_ = 0;
+ tempo_ = 0;
+ instrument_name_ = 0;
+ instrument_ = 0;
+}
- // set instrument :-)
- Midi_text instrument_name( Midi_text::INSTRUMENT_NAME, instrument_str() );
- midi_track_p_->add( Moment( 0 ), &instrument_name );
+void
+Staff_performer::finalize ()
+{
+ staff_map_.clear ();
+ channel_map_.clear ();
+}
-
- Midi_tempo midi_tempo( get_tempo_i( ) );
- midi_track_p_->add( Moment( 0 ), &midi_tempo );
+string
+Staff_performer::new_instrument_string ()
+{
+ // mustn't ask Score for instrument: it will return piano!
+ SCM minstr = get_property ("midiInstrument");
+
+ if (!scm_is_string (minstr)
+ || ly_scm2string (minstr) == instrument_string_)
+ return "";
+
+ instrument_string_ = ly_scm2string (minstr);
+
+ return instrument_string_;
}
-String
-Staff_performer::instrument_str()
-{
- return Translator::id_str_;
+int
+Staff_performer::get_channel (string instrument)
+{
+ SCM channel_mapping = get_property ("midiChannelMapping");
+ map<string, int>& channel_map
+ = (channel_mapping != ly_symbol2scm ("instrument"))
+ ? channel_map_
+ : static_channel_map_;
+
+ if (channel_mapping == ly_symbol2scm ("staff")
+ && channel_ >= 0)
+ return channel_;
+
+ map<string, int>::const_iterator i = channel_map.find (instrument);
+ if (i != channel_map.end ())
+ return i->second;
+
+ int channel = (channel_mapping == ly_symbol2scm ("staff"))
+ ? channel_count_++
+ : channel_map.size ();
+
+ /* MIDI players tend to ignore instrument settings on channel
+ 10, the percussion channel. */
+ if (channel % 16 == 9)
+ {
+ channel_map["percussion"] = channel++;
+ channel_count_++;
+ }
+
+ if (channel > 15)
+ {
+ warning (_ ("MIDI channel wrapped around"));
+ warning (_ ("remapping modulo 16"));
+ channel = channel % 16;
+ }
+
+ channel_map[instrument] = channel;
+ return channel;
}
-void
-Staff_performer::play_event( Midi_item* l )
+void
+Staff_performer::acknowledge_audio_element (Audio_element_info inf)
{
- Moment mom = get_mom();
- Moment delta_t = mom - midi_mom_ ;
- midi_mom_ += delta_t;
- midi_track_p_->add( delta_t, l);
+ if (Audio_item *ai = dynamic_cast<Audio_item *> (inf.elem_))
+ {
+ /* map each context (voice) to its own track */
+ Context* c = inf.origin_contexts (this)[0];
+ string voice;
+ if (c->is_alias (ly_symbol2scm ("Voice")))
+ voice = c->id_string ();
+ SCM channel_mapping = get_property ("midiChannelMapping");
+ string str = new_instrument_string ();
+ if (channel_mapping != ly_symbol2scm ("instrument"))
+ channel_ = get_channel (voice);
+ else if (channel_ < 0 && str.empty ())
+ channel_ = get_channel (str);
+ if (str.length ())
+ {
+ if (channel_mapping != ly_symbol2scm ("voice"))
+ channel_ = get_channel (str);
+ set_instrument (channel_, voice);
+ set_instrument_name (voice);
+ }
+ ai->channel_ = channel_;
+ bool encode_dynamics_as_velocity_ = true;
+ if (encode_dynamics_as_velocity_)
+ {
+ if (Audio_dynamic *d = dynamic_cast<Audio_dynamic *> (inf.elem_))
+ {
+ dynamic_map_[voice] = d;
+ // Output volume as velocity: must disable Midi_dynamic output
+ d->silent_ = true;
+ }
+ if (Audio_dynamic *d = get_dynamic (voice))
+ if (Audio_note *n = dynamic_cast<Audio_note *> (inf.elem_))
+ n->dynamic_ = d;
+ }
+ Audio_staff* audio_staff = get_audio_staff (voice);
+ audio_staff->add_audio_item (ai);
+ }
}
projects / lilypond.git / blobdiff