]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/staff-performer.cc
Run grand-replace (issue 3765)
[lilypond.git] / lily / staff-performer.cc
index 5aafabe512bbf64e5874c569b2205d630d5dfd85..d3368ad683820c771dd6ce398d60ea606927bec3 100644 (file)
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1997--2011 Jan Nieuwenhuizen <janneke@gnu.org>
+  Copyright (C) 1997--2014 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
@@ -18,6 +18,7 @@
 */
 
 #include <map>
+#include <deque>
 
 #include "audio-column.hh"
 #include "audio-item.hh"
@@ -45,12 +46,12 @@ protected:
 
 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);
+  void set_instrument_name (const string &voice);
+  void set_instrument (int channel, const string &voice);
+  int get_channel (const string &instrument);
+  Audio_staff *get_audio_staff (const string &voice);
+  Audio_staff *new_audio_staff (const string &voice);
+  Audio_dynamic *get_dynamic (const string &voice);
 
   string instrument_string_;
   int channel_;
@@ -58,37 +59,44 @@ private:
   Audio_text *instrument_name_;
   Audio_text *name_;
   Audio_tempo *tempo_;
-  map<string, Audio_staff*> staff_map_;
+  map<string, deque<Audio_note *> > note_map_;
+  map<string, Audio_staff *> staff_map_;
   map<string, int> channel_map_;
-  map<string, Audio_dynamic*> dynamic_map_;
+  map<string, Audio_dynamic *> dynamic_map_;
+  // Would prefer to have the following two items be
+  // members of the containing class Performance,
+  // so they can be reset for each new midi file output.
   static map<string, int> static_channel_map_;
   static int channel_count_;
+  // For now, ask the last Staff_performer clean up during its finalize method
+  static int staff_performer_count_;
 };
 
 map<string, int> Staff_performer::static_channel_map_;
 int Staff_performer::channel_count_ = 0;
+int Staff_performer::staff_performer_count_ = 0;
 
 #include "translator.icc"
 
 ADD_TRANSLATOR (Staff_performer,
-               /* doc */
-               "",
+                /* doc */
+                "",
 
-               /* create */
-               "",
+                /* create */
+                "",
 
-               /* read */
-               "",
+                /* read */
+                "",
 
-               /* write */
-               "");
+                /* write */
+                "");
 
 Staff_performer::Staff_performer ()
-  : channel_ (0)
-  , instrument_ (0)
-  , instrument_name_ (0)
-  , name_ (0)
-  , tempo_ (0)
+  : channel_ (-1),
+    instrument_ (0),
+    instrument_name_ (0),
+    name_ (0),
+    tempo_ (0)
 {
 }
 
@@ -99,17 +107,20 @@ Staff_performer::~Staff_performer ()
 void
 Staff_performer::initialize ()
 {
+  ++staff_performer_count_;
 }
 
-Audio_staff*
-Staff_performer::new_audio_staff (string voice)
+Audio_staff *
+Staff_performer::new_audio_staff (const string &voice)
 {
-  Audio_staff* audio_staff = new Audio_staff;
+  Audio_staff *audio_staff = new Audio_staff;
+  audio_staff->merge_unisons_
+    = to_boolean (get_property ("midiMergeUnisons"));
   string track_name = context ()->id_string () + ":" + voice;
   if (track_name != ":")
     {
       name_ = new Audio_text (Audio_text::TRACK_NAME, context ()->id_string ()
-                             + ":" + voice);
+                              + ":" + voice);
       audio_staff->add_audio_item (name_);
       announce_element (Audio_element_info (name_, 0));
     }
@@ -117,21 +128,47 @@ Staff_performer::new_audio_staff (string voice)
   staff_map_[voice] = audio_staff;
   if (!instrument_string_.empty ())
     set_instrument (channel_, voice);
+  // Set initial values (if any) for control functions.
+  for (const Audio_control_function_value_change::Context_property *p
+         = Audio_control_function_value_change::context_properties_;
+       p->name_; ++p)
+    {
+      SCM value = get_property (p->name_);
+      if (scm_is_number (value))
+        {
+          Real val = scm_to_double (value);
+          if (val >= p->range_min_ && val <= p->range_max_)
+            {
+              // Normalize the value to the 0.0 to 1.0 range.
+              val = ((val - p->range_min_)
+                     / (p->range_max_ - p->range_min_));
+              Audio_control_function_value_change *item
+                = new Audio_control_function_value_change (p->control_, val);
+              item->channel_ = channel_;
+              audio_staff->add_audio_item (item);
+              announce_element (Audio_element_info (item, 0));
+            }
+          else
+            warning (_f ("ignoring out-of-range value change for MIDI "
+                         "property `%s'",
+                         p->name_));
+        }
+    }
   return audio_staff;
 }
 
-Audio_staff*
-Staff_performer::get_audio_staff (string voice)
+Audio_staff *
+Staff_performer::get_audio_staff (const 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);
+  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 ("");
+  map<string, Audio_staff *>::const_iterator e = staff_map_.find ("");
   if (staff_map_.size () == 1 && e != staff_map_.end ())
     {
       staff_map_[voice] = e->second;
@@ -140,10 +177,10 @@ Staff_performer::get_audio_staff (string voice)
   return new_audio_staff (voice);
 }
 
-Audio_dynamic*
-Staff_performer::get_dynamic (string voice)
+Audio_dynamic *
+Staff_performer::get_dynamic (const string &voice)
 {
-  map<string, Audio_dynamic*>::const_iterator i = dynamic_map_.find (voice);
+  map<string, Audio_dynamic *>::const_iterator i = dynamic_map_.find (voice);
   if (i != dynamic_map_.end ())
     return i->second;
   return 0;
@@ -155,12 +192,12 @@ Staff_performer::process_music ()
 }
 
 void
-Staff_performer::set_instrument (int channel, string voice)
+Staff_performer::set_instrument (int channel, const string &voice)
 {
   instrument_ = new Audio_instrument (instrument_string_);
   instrument_->channel_ = channel;
   announce_element (Audio_element_info (instrument_, 0));
-  Audio_staffaudio_staff = get_audio_staff (voice);
+  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 ()));
@@ -168,10 +205,10 @@ Staff_performer::set_instrument (int channel, string voice)
 }
 
 void
-Staff_performer::set_instrument_name (string voice)
+Staff_performer::set_instrument_name (const string &voice)
 {
   instrument_name_ = new Audio_text (Audio_text::INSTRUMENT_NAME,
-                                    instrument_string_);
+                                     instrument_string_);
   announce_element (Audio_element_info (instrument_name_, 0));
   get_audio_staff (voice)->add_audio_item (instrument_name_);
 }
@@ -183,6 +220,22 @@ Staff_performer::stop_translation_timestep ()
   tempo_ = 0;
   instrument_name_ = 0;
   instrument_ = 0;
+  // For each voice with a note played in the current translation time step,
+  // check if the voice has an Audio_dynamic registered: if yes, apply this
+  // dynamic to every note played in the voice in the current translation time
+  // step.
+  for (map<string, deque<Audio_note *> >::iterator vi = note_map_.begin ();
+       vi != note_map_.end (); ++vi)
+    {
+      Audio_dynamic *d = get_dynamic (vi->first);
+      if (d)
+        {
+          for (deque<Audio_note *>::iterator ni = vi->second.begin ();
+               ni != vi->second.end (); ++ni)
+            (*ni)->dynamic_ = d;
+        }
+    }
+  note_map_.clear ();
 }
 
 void
@@ -190,6 +243,13 @@ Staff_performer::finalize ()
 {
   staff_map_.clear ();
   channel_map_.clear ();
+  if (staff_performer_count_)
+    --staff_performer_count_;
+  if (0 == staff_performer_count_)
+    {
+      static_channel_map_.clear ();
+      channel_count_ = 0;
+    }
 }
 
 string
@@ -208,21 +268,25 @@ Staff_performer::new_instrument_string ()
 }
 
 int
-Staff_performer::get_channel (string instrument)
+Staff_performer::get_channel (const string &instrument)
 {
   SCM channel_mapping = get_property ("midiChannelMapping");
-  map<string, int>channel_map
+  map<string, int> &channel_map
     = (channel_mapping != ly_symbol2scm ("instrument"))
-    ? channel_map_
-    : static_channel_map_;
+      ? 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 ();
+                ? channel_count_++
+                : channel_map.size ();
 
   /* MIDI players tend to ignore instrument settings on channel
      10, the percussion channel.  */
@@ -236,7 +300,7 @@ Staff_performer::get_channel (string instrument)
     {
       warning (_ ("MIDI channel wrapped around"));
       warning (_ ("remapping modulo 16"));
-      channel = channel % 16; 
+      channel = channel % 16;
     }
 
   channel_map[instrument] = channel;
@@ -249,36 +313,42 @@ Staff_performer::acknowledge_audio_element (Audio_element_info inf)
   if (Audio_item *ai = dynamic_cast<Audio_item *> (inf.elem_))
     {
       /* map each context (voice) to its own track */
-      Contextc = inf.origin_contexts (this)[0];
+      Context *c = inf.origin_contexts (this)[0];
       string voice;
       if (c->is_alias (ly_symbol2scm ("Voice")))
-       voice = c->id_string ();
+        voice = c->id_string ();
       SCM channel_mapping = get_property ("midiChannelMapping");
-      if (channel_mapping == ly_symbol2scm ("voice"))
-       channel_ = get_channel (voice);
       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);
-       }
-      Audio_staff* audio_staff = get_audio_staff (voice);
+        {
+          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;
-       }
+        {
+          if (Audio_note *n = dynamic_cast<Audio_note *> (inf.elem_))
+            {
+              // Keep track of the notes played in the current voice in this
+              // translation time step (for adjusting their dynamics later in
+              // stop_translation_timestep).
+              note_map_[voice].push_back (n);
+            }
+          else 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;
+            }
+        }
+      Audio_staff *audio_staff = get_audio_staff (voice);
       audio_staff->add_audio_item (ai);
     }
 }