--- /dev/null
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 2013--2016 by Heikki Tauriainen <g034737@welho.com>.
+ Adapted from performer implementations
+ Copyright (C) 1996--2015 Jan Nieuwenhuizen <janneke@gnu.org>,
+ Han-Wen Nienhyus <hanwen@xs4all.nl> and others.
+
+ 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 "performer.hh"
+
+#include "audio-item.hh"
+#include "context.hh"
+#include "dispatcher.hh"
+#include "international.hh"
+#include "listener.hh"
+#include "midi-cc-announcer.hh"
+#include "stream-event.hh"
+
+#include "translator.icc"
+
+/**
+ MIDI control change performer. Announces "set property" events on MIDI
+ context properties.
+*/
+class Midi_control_change_performer : public Performer
+{
+public:
+ TRANSLATOR_DECLARATIONS (Midi_control_change_performer);
+ void announce_control_change (SCM);
+ ~Midi_control_change_performer ();
+
+ void connect_to_context (Context *c);
+ void disconnect_from_context (Context *c);
+
+private:
+ class Control_change_announcer : public Midi_control_change_announcer
+ {
+ public:
+ Control_change_announcer (Midi_control_change_performer *p,
+ Stream_event *ev, const string &s);
+
+ SCM get_property_value (const char *property_name);
+ void do_announce (Audio_control_change *item);
+
+ private:
+ Midi_control_change_performer *performer_;
+ Stream_event *event_;
+ string symbol_;
+ };
+};
+
+Midi_control_change_performer::Midi_control_change_performer ()
+{
+}
+
+Midi_control_change_performer::~Midi_control_change_performer ()
+{
+}
+
+void
+Midi_control_change_performer::connect_to_context (Context *c)
+{
+ c->events_below ()->
+ add_listener (GET_LISTENER (Midi_control_change_performer,
+ announce_control_change),
+ ly_symbol2scm ("SetProperty"));
+}
+
+void
+Midi_control_change_performer::disconnect_from_context (Context *c)
+{
+ c->events_below ()->
+ remove_listener (GET_LISTENER (Midi_control_change_performer,
+ announce_control_change),
+ ly_symbol2scm ("SetProperty"));
+}
+
+void
+Midi_control_change_performer::announce_control_change (SCM sev)
+{
+ Stream_event *ev = unsmob<Stream_event> (sev);
+ SCM sym = ev->get_property ("symbol");
+ if (!scm_is_symbol (sym))
+ return;
+
+ Control_change_announcer a (this, ev, ly_symbol2string (sym));
+ a.announce_control_changes ();
+}
+
+Midi_control_change_performer::Control_change_announcer::Control_change_announcer
+(Midi_control_change_performer *p, Stream_event *ev, const string &s)
+ : Midi_control_change_announcer (ev->origin ()),
+ performer_ (p),
+ event_ (ev),
+ symbol_ (s)
+{
+}
+
+SCM
+Midi_control_change_performer::Control_change_announcer::get_property_value
+(const char *property_name)
+{
+ return symbol_ == property_name ? event_->get_property ("value") : SCM_EOL;
+}
+
+void Midi_control_change_performer::Control_change_announcer::do_announce
+(Audio_control_change *item)
+{
+ performer_->announce_element (Audio_element_info (item, 0));
+}
+
+void
+Midi_control_change_performer::boot ()
+{
+
+}
+
+ADD_TRANSLATOR (Midi_control_change_performer,
+ /* doc */
+ "This performer listens to SetProperty events on context "
+ "properties for generating MIDI control changes and "
+ "prepares them for MIDI output.",
+
+ /* create */
+ "",
+
+ /* read */
+ "midiBalance "
+ "midiPanPosition "
+ "midiExpression "
+ "midiReverbLevel "
+ "midiChorusLevel ",
+
+ /* write */
+ ""
+ );
+++ /dev/null
-/*
- This file is part of LilyPond, the GNU music typesetter.
-
- Copyright (C) 2013--2016 by Heikki Tauriainen <g034737@welho.com>.
- Adapted from performer implementations
- Copyright (C) 1996--2015 Jan Nieuwenhuizen <janneke@gnu.org>,
- Han-Wen Nienhyus <hanwen@xs4all.nl> and others.
-
- 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 "performer.hh"
-
-#include "audio-item.hh"
-#include "context.hh"
-#include "dispatcher.hh"
-#include "international.hh"
-#include "listener.hh"
-#include "midi-cc-announcer.hh"
-#include "stream-event.hh"
-
-#include "translator.icc"
-
-/**
- MIDI control function performer. Announces "set property" events on MIDI
- context properties.
-*/
-class Midi_control_function_performer : public Performer
-{
-public:
- TRANSLATOR_DECLARATIONS (Midi_control_function_performer);
- void announce_function_value_change (SCM);
- ~Midi_control_function_performer ();
-
- void connect_to_context (Context *c);
- void disconnect_from_context (Context *c);
-
-private:
- class Control_change_announcer : public Midi_control_change_announcer
- {
- public:
- Control_change_announcer (Midi_control_function_performer *p,
- Stream_event *ev, const string &s);
-
- SCM get_property_value (const char *property_name);
- void do_announce (Audio_control_change *item);
-
- private:
- Midi_control_function_performer *performer_;
- Stream_event *event_;
- string symbol_;
- };
-};
-
-Midi_control_function_performer::Midi_control_function_performer ()
-{
-}
-
-Midi_control_function_performer::~Midi_control_function_performer ()
-{
-}
-
-void
-Midi_control_function_performer::connect_to_context (Context *c)
-{
- c->events_below ()->
- add_listener (GET_LISTENER (Midi_control_function_performer,
- announce_function_value_change),
- ly_symbol2scm ("SetProperty"));
-}
-
-void
-Midi_control_function_performer::disconnect_from_context (Context *c)
-{
- c->events_below ()->
- remove_listener (GET_LISTENER (Midi_control_function_performer,
- announce_function_value_change),
- ly_symbol2scm ("SetProperty"));
-}
-
-void
-Midi_control_function_performer::announce_function_value_change (SCM sev)
-{
- Stream_event *ev = unsmob<Stream_event> (sev);
- SCM sym = ev->get_property ("symbol");
- if (!scm_is_symbol (sym))
- return;
-
- Control_change_announcer a (this, ev, ly_symbol2string (sym));
- a.announce_control_changes ();
-}
-
-Midi_control_function_performer::Control_change_announcer::Control_change_announcer
-(Midi_control_function_performer *p, Stream_event *ev, const string &s)
- : Midi_control_change_announcer (ev->origin ()),
- performer_ (p),
- event_ (ev),
- symbol_ (s)
-{
-}
-
-SCM
-Midi_control_function_performer::Control_change_announcer::get_property_value
-(const char *property_name)
-{
- return symbol_ == property_name ? event_->get_property ("value") : SCM_EOL;
-}
-
-void Midi_control_function_performer::Control_change_announcer::do_announce
-(Audio_control_change *item)
-{
- performer_->announce_element (Audio_element_info (item, 0));
-}
-
-void
-Midi_control_function_performer::boot ()
-{
-
-}
-
-ADD_TRANSLATOR (Midi_control_function_performer,
- /* doc */
- "This performer listens to SetProperty events on context "
- "properties for generating MIDI control changes and "
- "prepares them for MIDI output.",
-
- /* create */
- "",
-
- /* read */
- "midiBalance "
- "midiPanPosition "
- "midiExpression "
- "midiReverbLevel "
- "midiChorusLevel ",
-
- /* write */
- ""
- );
\consists "Staff_performer"
\consists "Key_performer"
- \consists "Midi_control_function_performer"
+ \consists "Midi_control_change_performer"
}
\context {
projects / lilypond.git / commitdiff