Package de.gsi.chart.samples.utils

Class MidiWaveformSynthesizer

java.lang.Object

de.gsi.chart.samples.utils.MidiWaveformSynthesizer

public class MidiWaveformSynthesizer
extends java.lang.Object

Author:

rstein

Field Summary

Fields

Modifier and Type	Field	Description
protected javax.sound.midi.Sequence	sequence
protected javax.sound.midi.Sequencer	sequencer
protected javax.sound.midi.Synthesizer	synthesizer
protected javax.sound.midi.MidiChannel	synthesizerChannel

Constructor Summary

Constructors

Constructor	Description
MidiWaveformSynthesizer(java.lang.String midiFile, int bufferSize)

Method Summary

Modifier and Type	Method	Description
static void	addNotesToTrack(javax.sound.midi.Track track, javax.sound.midi.Track trk)
void	decode(float[] data, int frameSize, int updatePeriod, int samplingRate, int nBits)
void	finalize()
de.gsi.dataset.utils.DoubleCircularBuffer	getBuffer()
float	getNoteAmplitudeDecay()
float	getSample(int readPos)
boolean	isOutputMuted()
static java.lang.String	keyName(int nKeyNumber)
javax.sound.midi.Track	mergeShortMessageEvent(javax.sound.midi.Track[] tracks)
void	pause()
void	reset()
void	setBufferLength(int bufferSize)
void	setNoteAmplitudeDecay(float noteAmplitudeDecay)
void	setOutputMuted(boolean state)
void	start()
void	stop()
void	update(int samplingRate, int nBits)

Methods inherited from class java.lang.Object

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

Field Detail

sequencer

protected transient javax.sound.midi.Sequencer sequencer

sequence

protected transient javax.sound.midi.Sequence sequence

synthesizer

protected transient javax.sound.midi.Synthesizer synthesizer

synthesizerChannel

protected transient javax.sound.midi.MidiChannel synthesizerChannel

Constructor Detail

MidiWaveformSynthesizer

public MidiWaveformSynthesizer(java.lang.String midiFile,
                               int bufferSize)

Method Detail

decode

public void decode(float[] data,
                   int frameSize,
                   int updatePeriod,
                   int samplingRate,
                   int nBits)

finalize

public void finalize()

Overrides:

finalize in class java.lang.Object

getBuffer

public de.gsi.dataset.utils.DoubleCircularBuffer getBuffer()

getNoteAmplitudeDecay

public float getNoteAmplitudeDecay()

getSample

public float getSample(int readPos)

isOutputMuted

public boolean isOutputMuted()

mergeShortMessageEvent

public final javax.sound.midi.Track mergeShortMessageEvent(javax.sound.midi.Track[] tracks)

pause

public void pause()

reset

public void reset()

setBufferLength

public void setBufferLength(int bufferSize)

setNoteAmplitudeDecay

public void setNoteAmplitudeDecay(float noteAmplitudeDecay)

setOutputMuted

public void setOutputMuted(boolean state)

start

public void start()

stop

public void stop()

update

public void update(int samplingRate,
                   int nBits)

addNotesToTrack

public static final void addNotesToTrack(javax.sound.midi.Track track,
                                         javax.sound.midi.Track trk)
                                  throws javax.sound.midi.InvalidMidiDataException

Throws:

javax.sound.midi.InvalidMidiDataException

keyName

public static java.lang.String keyName(int nKeyNumber)