Class MidiPlayer

java.lang.Object
  MidiPlayer

public class MidiPlayer

extends java.lang.Object

Class that knows how to play notes using the midi standard Copyright 2004 Georgia Institute of Technology

Author:

unknown Georgia Tech Students, Barbara Ericson

Field Summary

static int	ALTO_SAX
static int	APPLAUSE
static int	BASS
static int	BIRD
static int	CELLO
static int	CLARINET
static int	FLUTE
static int	FRENCH_HORN
static int	GUITAR
static int	HARMONICA
static int	HARP
static int	HELICOPTER
static int	ICE_CUBE
static int	JAZZ_GUITAR
static int	MUSIC_BOX
static int	OBOE
static int	PIANO
static int	PICCOLO
static int	STEEL_GUITAR
static int	TELEPHONE
static int	TENOR_SAX
static int	TIMPANI
static int	TROMBONE
static int	TRUMPET
static int	TUBA
static int	VIOLIN
static int	WHISTLE
static int	XYLOPHONE

Constructor Summary

MidiPlayer()
Constructor that takes no arguments

Method Summary

void	cleanUp() Method to clean up the midi player
void	close() Method to close the midi player
void	getInstrumentNames() Method to get the map of index number to instrument names
javax.sound.midi.Synthesizer	getSynthesizer() Method to return the synthesizer
void	playJingleBells() Method to play Jingle Bells
void	playJingleBells4() Method to play the first 4 measures of jingle bells with each measure taking 1000 milliseconds (1 second)
void	playJingleBellsV1V2() Method to play the first verse of jingle bells with each measure taking 1000 milliseconds (1 second) It is in 2/4 time
void	playNote(int note, int duration) Method to play a note
void	playNote(int note, int duration, int intensity) Method to play a note
void	playNotesOnChannel(int index, int[] notes, int[] durations, int[] intensities) Method to play an array of notes with the given durations and intensities
void	rest(int duration) Method to rest for a specified number of milliseconds
void	setChannel(int index) Method to change the current channel
void	setInstrument(int num) Method to set the instrument to play

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PIANO

public static final int PIANO

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HARMONICA

public static final int HARMONICA

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MUSIC_BOX

public static final int MUSIC_BOX

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XYLOPHONE

public static final int XYLOPHONE

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GUITAR

public static final int GUITAR

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STEEL_GUITAR

public static final int STEEL_GUITAR

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JAZZ_GUITAR

public static final int JAZZ_GUITAR

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BASS

public static final int BASS

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VIOLIN

public static final int VIOLIN

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CELLO

public static final int CELLO

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HARP

public static final int HARP

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TIMPANI

public static final int TIMPANI

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TRUMPET

public static final int TRUMPET

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TROMBONE

public static final int TROMBONE

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TUBA

public static final int TUBA

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FRENCH_HORN

public static final int FRENCH_HORN

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ALTO_SAX

public static final int ALTO_SAX

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TENOR_SAX

public static final int TENOR_SAX

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OBOE

public static final int OBOE

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CLARINET

public static final int CLARINET

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PICCOLO

public static final int PICCOLO

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FLUTE

public static final int FLUTE

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WHISTLE

public static final int WHISTLE

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BIRD

public static final int BIRD

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TELEPHONE

public static final int TELEPHONE

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HELICOPTER

public static final int HELICOPTER

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APPLAUSE

public static final int APPLAUSE

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ICE_CUBE

public static final int ICE_CUBE

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Constructor Detail

MidiPlayer

public MidiPlayer()

Constructor that takes no arguments

Method Detail

getSynthesizer

public javax.sound.midi.Synthesizer getSynthesizer()

Method to return the synthesizer

Returns:

the synthesizer

close

public void close()

Method to close the midi player

cleanUp

public void cleanUp()

Method to clean up the midi player

playNote

public void playNote(int note,
                     int duration,
                     int intensity)

Method to play a note

Parameters:

note - the note to play (0 to 127, 60 is middle C)

duration - how long to play the note in milliseconds

intensity - how loud to play the note (how hard the key was struck on a piano)

rest

public void rest(int duration)

Method to rest for a specified number of milliseconds

Parameters:

duration - the amount to rest in milliseconds

setChannel

public void setChannel(int index)

Method to change the current channel

Parameters:

index - the index of the channel to use

setInstrument

public void setInstrument(int num)

Method to set the instrument to play

Parameters:

num - a number from 0 to 127 that represents the instruments

getInstrumentNames

public void getInstrumentNames()

Method to get the map of index number to instrument names

playNote

public void playNote(int note,
                     int duration)

Method to play a note

Parameters:

note - the note to play

duration - how long to play the note

playNotesOnChannel

public void playNotesOnChannel(int index,
                               int[] notes,
                               int[] durations,
                               int[] intensities)

Method to play an array of notes with the given durations and intensities

Parameters:

index - the index of the channel to use

notes - the array of notes to play (0-127)

durations - the array of durations to use for playing the notes in milliseconds

intensities - the array of intensities (loudness)

playJingleBellsV1V2

public void playJingleBellsV1V2()

Method to play the first verse of jingle bells with each measure taking 1000 milliseconds (1 second) It is in 2/4 time

playJingleBells

public void playJingleBells()

Method to play Jingle Bells

playJingleBells4

public void playJingleBells4()

Method to play the first 4 measures of jingle bells with each measure taking 1000 milliseconds (1 second)