/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1997--2010 Jan Nieuwenhuizen <janneke@gnu.org>
+ 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
#include "string-convert.hh"
#include "warn.hh"
-#define PITCH_WHEEL_TOP 0x3FFF
#define PITCH_WHEEL_CENTER 0x2000
-#define PITCH_WHEEL_BOTTOM 0x0000
-#define PITCH_WHEEL_RANGE (PITCH_WHEEL_TOP - PITCH_WHEEL_BOTTOM)
+#define PITCH_WHEEL_SEMITONE 0X1000
Midi_item *
Midi_item::get_midi (Audio_item *a)
}
Midi_instrument::Midi_instrument (Audio_instrument *a)
+ : Midi_channel_item (a)
+ , audio_ (a)
{
- audio_ = a;
audio_->str_ = String_convert::to_lower (audio_->str_);
}
SCM program = scm_call_1 (proc, ly_symbol2scm (audio_->str_.c_str ()));
found = (program != SCM_BOOL_F);
if (found)
- program_byte = scm_to_int (program);
+ program_byte = (Byte) scm_to_int (program);
else
warning (_f ("no such MIDI instrument: `%s'", audio_->str_.c_str ()));
{
}
-Midi_channel_item::Midi_channel_item ()
+Midi_channel_item::Midi_channel_item (Audio_item *ai)
+ : channel_ (ai->channel_)
{
- channel_ = 0;
}
Midi_item::~Midi_item ()
}
Midi_key::Midi_key (Audio_key *a)
+ : audio_ (a)
{
- audio_ = a;
}
string
}
Midi_time_signature::Midi_time_signature (Audio_time_signature *a)
+ : audio_ (a)
+ , clocks_per_1_ (18)
{
- audio_ = a;
- clocks_per_1_ = 18;
}
string
}
Midi_note::Midi_note (Audio_note *a)
+ : Midi_channel_item (a)
+ , audio_ (a)
+ , dynamic_byte_ (a->dynamic_ && a->dynamic_->volume_ >= 0
+ ? Byte (a->dynamic_->volume_ * 0x7f) : Byte (0x5a))
{
- audio_ = a;
- dynamic_byte_ = 0x5a;
}
-
int
Midi_note::get_fine_tuning () const
{
+ audio_->transposing_.tone_pitch ()) * Rational (2);
tune -= Rational (get_semitone_pitch ());
- tune *= 100;
+ tune *= PITCH_WHEEL_SEMITONE;
return (int) double (tune);
}
int
Midi_note::get_semitone_pitch () const
{
- return int (double ((audio_->pitch_.tone_pitch ()
- + audio_->transposing_.tone_pitch ()) * Rational (2)));
+ double tune = double ((audio_->pitch_.tone_pitch ()
+ + audio_->transposing_.tone_pitch ()) * Rational (2));
+ return int (rint (tune));
}
string
// print warning if fine tuning was needed, HJJ
if (get_fine_tuning () != 0)
{
- finetune = PITCH_WHEEL_CENTER;
- // Move pitch wheel to a shifted position.
- // The pitch wheel range (of 4 semitones) is multiplied by the cents.
- finetune += (PITCH_WHEEL_RANGE *get_fine_tuning ()) / (4 * 100);
+ finetune = PITCH_WHEEL_CENTER + get_fine_tuning ();
str += ::to_string ((char) (0xE0 + channel_));
str += ::to_string ((char) (finetune & 0x7F));
}
Midi_dynamic::Midi_dynamic (Audio_dynamic *a)
+ : Midi_channel_item (a)
+ , audio_ (a)
{
- audio_ = a;
}
string
if (volume > full_scale)
volume = (int)full_scale;
+ int const volume_default = 100;
+ if (audio_->volume_ < 0 || audio_->silent_)
+ volume = volume_default;
+
str += ::to_string ((char)0x07);
str += ::to_string ((char)volume);
return str;
}
Midi_piano_pedal::Midi_piano_pedal (Audio_piano_pedal *a)
+ : Midi_channel_item (a)
+ , audio_ (a)
{
- audio_ = a;
}
string
}
Midi_tempo::Midi_tempo (Audio_tempo *a)
+ : audio_ (a)
{
- audio_ = a;
}
string
}
Midi_text::Midi_text (Audio_text *a)
+ : audio_ (a)
{
- audio_ = a;
}
string