ensemble.memory

Class AudioMemory

java.lang.Object

ensemble.memory.Memory

ensemble.memory.AudioMemory

All Implemented Interfaces:

LifeCycle

public class AudioMemory
extends Memory

Implementação da memória para eventos de áudio. A estrutura utilizada para armazenar as amostras de áudio é esparsa e baseada em uma lista ligada (ArrayList).

Field Summary

Fields

Modifier and Type	Field and Description
private double[]	buffer The buffer.
private double	EPSILON The epsilon.
private int	halfSamples The half samples.
private double	instantBegin The instant begin.
private double	instantEnd The instant end.
private java.lang.String	MEMORY_TYPE The memory type.
private boolean	overwrite The overwrite.
private java.lang.String	PARAM_OVERWRITE The param overwrite.
private double	period The period.
private long	ptrAbsolutZero The ptr absolut zero.
private int	ptrBegin The ptr begin.
private int	ptrEnd The ptr end.
private int	ptrNow The ptr now.
private int	samples The samples.
private double	startTime The start time.
private double	step The step.

Fields inherited from class ensemble.memory.Memory

clock, future, myAgent, name, parameters, past

Constructor Summary

Constructors

Constructor and Description
AudioMemory()

Method Summary

Methods

Modifier and Type	Method and Description
double	getFirstInstant() Retorna o instante mais antigo em que existe informação na memória.
double	getLastInstant() Retorna o último instante em que existe informação na memória.
private java.lang.Object	getNow(TimeUnit unit) Retorna o instante atual, para ser utilizado na leitura/escrita relativa.
boolean	init() User-implemented initialization method, called by start().
java.lang.Object	readMemory(double instant, double duration, TimeUnit unit) Obtém a memória em um dado intervalo de tempo.
java.lang.Object	readMemory(double instant, TimeUnit unit) Obtém a memória em um instante do tempo.
void	resetMemory() Limpa a memória.
private static double	round(double number, int decimalPlaces) Round.
private void	updateMemory() Update memory.
void	writeMemory(java.lang.Object object) Write memory.
void	writeMemory(java.lang.Object object, double instant, double duration, TimeUnit unit) Escreve na memória a partir de um instante absoluto.
void	writeMemory(java.lang.Object object, double instant, TimeUnit unit) Write memory.

Methods inherited from class ensemble.memory.Memory

configure, finit, getFuture, getName, getParameters, getPast, parameterUpdate, setAgent, setParameters, start, stop

Methods inherited from class java.lang.Object

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

Field Detail

EPSILON

private final double EPSILON

The epsilon.

See Also:

Constant Field Values

MEMORY_TYPE

private final java.lang.String MEMORY_TYPE

The memory type.

See Also:

Constant Field Values

PARAM_OVERWRITE

private final java.lang.String PARAM_OVERWRITE

The param overwrite.

See Also:

Constant Field Values

step

private double step

The step.

startTime

private double startTime

The start time.

period

private double period

The period.

overwrite

private boolean overwrite

The overwrite.

samples

private int samples

The samples.

halfSamples

private int halfSamples

The half samples.

ptrBegin

private int ptrBegin

The ptr begin.

ptrAbsolutZero

private long ptrAbsolutZero

The ptr absolut zero.

ptrNow

private int ptrNow

The ptr now.

ptrEnd

private int ptrEnd

The ptr end.

instantBegin

private double instantBegin

The instant begin.

instantEnd

private double instantEnd

The instant end.

buffer

private double[] buffer

The buffer.

Constructor Detail

AudioMemory

public AudioMemory()

Method Detail

init

public boolean init()

Description copied from interface: LifeCycle

User-implemented initialization method, called by start().

Specified by:

init in interface LifeCycle

Overrides:

init in class Memory

Returns:

true, if successful

getFirstInstant

public double getFirstInstant()

Description copied from class: Memory

Retorna o instante mais antigo em que existe informação na memória.

Specified by:

getFirstInstant in class Memory

Returns:

the first instant

getLastInstant

public double getLastInstant()

Description copied from class: Memory

Retorna o último instante em que existe informação na memória.

Specified by:

getLastInstant in class Memory

Returns:

the last instant

round

private static double round(double number,
           int decimalPlaces)

Round.

Parameters:

number - the number

decimalPlaces - the decimal places

Returns:

the double

getNow

private java.lang.Object getNow(TimeUnit unit)

Retorna o instante atual, para ser utilizado na leitura/escrita relativa.

Parameters:

unit - the unit

Returns:

the now

updateMemory

private void updateMemory()

Update memory.

readMemory

public java.lang.Object readMemory(double instant,
                          TimeUnit unit)

Description copied from class: Memory

Obtém a memória em um instante do tempo.

Specified by:

readMemory in class Memory

Parameters:

instant - the instant

unit - the unit

Returns:

the object

readMemory

public java.lang.Object readMemory(double instant,
                          double duration,
                          TimeUnit unit)

Description copied from class: Memory

Obtém a memória em um dado intervalo de tempo.

Specified by:

readMemory in class Memory

Parameters:

instant - the instant

duration - the duration

unit - the unit

Returns:

the object

resetMemory

public void resetMemory()

Description copied from class: Memory

Limpa a memória.

Specified by:

resetMemory in class Memory

writeMemory

public void writeMemory(java.lang.Object object,
               double instant,
               double duration,
               TimeUnit unit)
                 throws MemoryException

Description copied from class: Memory

Escreve na memória a partir de um instante absoluto.

Specified by:

writeMemory in class Memory

Parameters:

object - the object

instant - the instant

duration - the duration

unit - the unit

Throws:

MemoryException - the memory exception

writeMemory

public void writeMemory(java.lang.Object object,
               double instant,
               TimeUnit unit)
                 throws MemoryException

Description copied from class: Memory

Write memory.

Specified by:

writeMemory in class Memory

Parameters:

object - the object

instant - the instant

unit - the unit

Throws:

MemoryException - the memory exception

writeMemory

public void writeMemory(java.lang.Object object)
                 throws MemoryException

Description copied from class: Memory

Write memory.

Specified by:

writeMemory in class Memory

Parameters:

object - the object

Throws:

MemoryException - the memory exception