28 uint16 generateNoteID (
int midiChannel,
int midiNoteNumber) noexcept
30 jassert (midiChannel > 0 && midiChannel <= 16);
31 jassert (midiNoteNumber >= 0 && midiNoteNumber < 128);
33 return uint16 ((midiChannel << 7) + midiNoteNumber);
45 : noteID (generateNoteID (midiChannel_, initialNote_)),
46 midiChannel (uint8 (midiChannel_)),
47 initialNote (uint8 (initialNote_)),
48 noteOnVelocity (noteOnVelocity_),
49 pitchbend (pitchbend_),
51 initialTimbre (timbre_),
70 auto pitchInSemitones = double (initialNote) + totalPitchbendInSemitones;
71 return frequencyOfA * std::pow (2.0, (pitchInSemitones - 69.0) / 12.0);
77 jassert (isValid() && other.isValid());
78 return noteID == other.noteID;
83 jassert (isValid() && other.isValid());
84 return noteID != other.noteID;
96 :
UnitTest (
"MPENote class", UnitTestCategories::midi)
100 void runTest()
override
102 beginTest (
"getFrequencyInHertz");
105 note.initialNote = 60;
106 note.totalPitchbendInSemitones = -0.5;
107 expectEqualsWithinOneCent (note.getFrequencyInHertz(), 254.178);
113 void expectEqualsWithinOneCent (
double frequencyInHertzActual,
114 double frequencyInHertzExpected)
116 double ratio = frequencyInHertzActual / frequencyInHertzExpected;
117 double oneCent = 1.0005946;
118 expect (ratio < oneCent);
119 expect (ratio > 1.0 / oneCent);
123 static MPENoteTests MPENoteUnitTests;
This class represents a single value for any of the MPE dimensions of control.
This is a base class for classes that perform a unit test.
This struct represents a playing MPE note.
KeyState
Possible values for the note key state.
@ off
The key is up (off).
uint8 initialNote
The MIDI note number that was sent when the note was triggered.
double getFrequencyInHertz(double frequencyOfA=440.0) const noexcept
Returns the current frequency of the note in Hertz.
MPENote() noexcept
Default constructor.
bool operator!=(const MPENote &other) const noexcept
Returns true if two notes are different notes, determined by their unique ID.
uint8 midiChannel
The MIDI channel which this note uses.
bool isValid() const noexcept
Checks whether the MPE note is valid.
bool operator==(const MPENote &other) const noexcept
Returns true if two notes are the same, determined by their unique ID.