metdetection.parsing

Interface NoteEventParser

All Known Implementing Classes:

DummyNoteEventParser, NoteListGenerator, QuantisationMeter

public interface NoteEventParser

A NoteEventParser is any class which can handle MIDI Note On and Note Off events. These are normally passed to it by a MidiEventParser.

Author:

Andrew McLeod - 11 Feb, 2015

Method Summary

Methods

Modifier and Type	Method and Description
void	noteOff(int key, long tick, int channel) Process a Note Off event.
MidiNote	noteOn(int key, int velocity, long tick, int channel) Process a Note On event.

Method Detail

noteOn

MidiNote noteOn(int key,
              int velocity,
              long tick,
              int channel)

Process a Note On event.

Parameters:

key - The key pressed. This will be a number between 1 and 88 for piano.

velocity - The velocity of the press. This is a value between 1 and 127 inclusive.

tick - The midi tick location of this event.

channel - The midi channel this note came from.

Returns:

The MidiNote we just created.

noteOff

void noteOff(int key,
           long tick,
           int channel)
             throws javax.sound.midi.InvalidMidiDataException

Process a Note Off event.

Parameters:

key - The midi key which has been turned off. This value is between 39 and 127, inclusive, for piano.

tick - The midi tick location of this event.

channel - The midi channel this note came from.

Throws:

javax.sound.midi.InvalidMidiDataException - If a note off event doesn't match any previously seen note on events.