git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce

subrepo:
  subdir:   "deps/juce"
  merged:   "b13f9084e"
upstream:
  origin:   "https://github.com/essej/JUCE.git"
  branch:   "sono6good"
  commit:   "b13f9084e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"

deps/juce/modules/juce_audio_basics/mpe/juce_MPENote.cpp

@@ -0,0 +1,127 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2020 - Raw Material Software Limited
+
+   JUCE is an open source library subject to commercial or open-source
+   licensing.
+
+   The code included in this file is provided under the terms of the ISC license
+   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
+   To use, copy, modify, and/or distribute this software for any purpose with or
+   without fee is hereby granted provided that the above copyright notice and
+   this permission notice appear in all copies.
+
+   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
+   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
+   DISCLAIMED.
+
+  ==============================================================================
+*/
+
+namespace juce
+{
+
+namespace
+{
+    uint16 generateNoteID (int midiChannel, int midiNoteNumber) noexcept
+    {
+        jassert (midiChannel > 0 && midiChannel <= 16);
+        jassert (midiNoteNumber >= 0 && midiNoteNumber < 128);
+
+        return uint16 ((midiChannel << 7) + midiNoteNumber);
+    }
+}
+
+//==============================================================================
+MPENote::MPENote (int midiChannel_,
+                  int initialNote_,
+                  MPEValue noteOnVelocity_,
+                  MPEValue pitchbend_,
+                  MPEValue pressure_,
+                  MPEValue timbre_,
+                  KeyState keyState_) noexcept
+    : noteID (generateNoteID (midiChannel_, initialNote_)),
+      midiChannel (uint8 (midiChannel_)),
+      initialNote (uint8 (initialNote_)),
+      noteOnVelocity (noteOnVelocity_),
+      pitchbend (pitchbend_),
+      pressure (pressure_),
+      initialTimbre (timbre_),
+      timbre (timbre_),
+      keyState (keyState_)
+{
+    jassert (keyState != MPENote::off);
+    jassert (isValid());
+}
+
+MPENote::MPENote() noexcept {}
+
+//==============================================================================
+bool MPENote::isValid() const noexcept
+{
+    return midiChannel > 0 && midiChannel <= 16 && initialNote < 128;
+}
+
+//==============================================================================
+double MPENote::getFrequencyInHertz (double frequencyOfA) const noexcept
+{
+    auto pitchInSemitones = double (initialNote) + totalPitchbendInSemitones;
+    return frequencyOfA * std::pow (2.0, (pitchInSemitones - 69.0) / 12.0);
+}
+
+//==============================================================================
+bool MPENote::operator== (const MPENote& other) const noexcept
+{
+    jassert (isValid() && other.isValid());
+    return noteID == other.noteID;
+}
+
+bool MPENote::operator!= (const MPENote& other) const noexcept
+{
+    jassert (isValid() && other.isValid());
+    return noteID != other.noteID;
+}
+
+
+//==============================================================================
+//==============================================================================
+#if JUCE_UNIT_TESTS
+
+class MPENoteTests : public UnitTest
+{
+public:
+    MPENoteTests()
+        : UnitTest ("MPENote class", UnitTestCategories::midi)
+    {}
+
+    //==============================================================================
+    void runTest() override
+    {
+        beginTest ("getFrequencyInHertz");
+        {
+            MPENote note;
+            note.initialNote = 60;
+            note.totalPitchbendInSemitones = -0.5;
+            expectEqualsWithinOneCent (note.getFrequencyInHertz(), 254.178);
+        }
+    }
+
+private:
+    //==============================================================================
+    void expectEqualsWithinOneCent (double frequencyInHertzActual,
+                                    double frequencyInHertzExpected)
+    {
+        double ratio = frequencyInHertzActual / frequencyInHertzExpected;
+        double oneCent = 1.0005946;
+        expect (ratio < oneCent);
+        expect (ratio > 1.0 / oneCent);
+    }
+};
+
+static MPENoteTests MPENoteUnitTests;
+
+#endif
+
+} // namespace juce