com.melloware.jukes.gui.view.component
Class SpectrumTimeAnalyzer

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JPanel
                  com.melloware.jukes.gui.view.component.SpectrumTimeAnalyzer

All Implemented Interfaces:

java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, javax.accessibility.Accessible, kj.dsp.KJDigitalSignalProcessor

public final class SpectrumTimeAnalyzer
extends javax.swing.JPanel
implements kj.dsp.KJDigitalSignalProcessor

Spectrum Analyzer component to display visualizations in the Jukes.

Copyright (c) 1999-2007 Melloware, Inc.

Version:

4.0

Author:

Emil A. Lefkof III

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JPanel

javax.swing.JPanel.AccessibleJPanel

Nested classes/interfaces inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BaselineResizeBehavior, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

static java.lang.String	ANALYZER
static java.awt.Color	DEFAULT_BACKGROUND_COLOR
static int	DEFAULT_FPS
static int	DEFAULT_HEIGHT
static java.awt.Color	DEFAULT_SCOPE_COLOR
static int	DEFAULT_SPECTRUM_ANALYSER_BAND_COUNT
static float	DEFAULT_SPECTRUM_ANALYSER_DECAY
static int	DEFAULT_SPECTRUM_ANALYSER_FFT_SAMPLE_SIZE
static int	DEFAULT_SPECTRUM_ANALYSER_PEAK_DELAY
static float	DEFAULT_SPECTRUM_ANALYSER_PEAK_DELAY_FPS_RATIO
static float	DEFAULT_SPECTRUM_ANALYSER_PEAK_DELAY_FPS_RATIO_RANGE
static float	DEFAULT_VU_METER_DECAY
static int	DEFAULT_WIDTH
static int	DISPLAY_MODE_OFF
static int	DISPLAY_MODE_SCOPE
static int	DISPLAY_MODE_SPECTRUM_ANALYSER
static float	MAX_SPECTRUM_ANALYSER_DECAY
static float	MIN_SPECTRUM_ANALYSER_DECAY
static java.lang.String	OFF
static java.lang.String	SCOPE

Fields inherited from class javax.swing.JComponent

accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

SpectrumTimeAnalyzer()

Method Summary

java.awt.Color	getColor(java.lang.String linecolor) Convert string to color.
static java.awt.Color[]	getDefaultSpectrumAnalyserColors()
int	getDisplayMode()
kj.dsp.KJDigitalSignalProcessingAudioDataConsumer	getDSP() Return DSP.
int	getPeakDelay() Return peak falloff delay
java.awt.Color	getScopeColor()
int	getSpectrumAnalyserBandCount()
java.awt.Color[]	getSpectrumAnalyserColors()
float	getSpectrumAnalyserDecay()
boolean	isPeaksEnabled()
void	paintComponent(java.awt.Graphics pGraphics)
void	process(float[] pLeft, float[] pRight, float pFrameRateRatioHint)
void	setDisplayMode(int pMode) Sets the current display mode.
void	setDisplayMode(java.lang.String pMode) Sets the display mode based on a string value of one of the String constants OFF, ANALYZER, SCOPE.
void	setPeakColor(java.awt.Color c) Set visual peak color.
void	setPeakDelay(int framestowait) Set peak falloff delay.
void	setPeaksEnabled(boolean peaksEnabled)
void	setScopeColor(java.awt.Color pColor) Sets the color of the scope.
void	setSpectrumAnalyserBandCount(int pCount) Sets the numbers of bands rendered by the spectrum analyser.
void	setSpectrumAnalyserColors(java.awt.Color[] pColors) Sets the spectrum analyser color scale.
void	setSpectrumAnalyserDecay(float pDecay) Sets the spectrum analyser band decay rate.
void	setSpectrumAnalyserFFTSampleSize(int pSize) Sets the FFT sample size to be just for calculating the spectrum analyser values.
void	setupDSP(javax.sound.sampled.SourceDataLine line) Setup DSP.
void	setVisColor(java.lang.String viscolor) Set visual colors from skin.
void	startDSP(javax.sound.sampled.SourceDataLine line) Starts DSP.
void	stopDSP() Stop DSP.
void	writeDSP(byte[] pcmdata) Write PCM data to DSP.

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusBackward, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Detail

SCOPE

public static final java.lang.String SCOPE

See Also:

Constant Field Values

OFF

public static final java.lang.String OFF

See Also:

Constant Field Values

ANALYZER

public static final java.lang.String ANALYZER

See Also:

Constant Field Values

DISPLAY_MODE_SCOPE

public static final int DISPLAY_MODE_SCOPE

See Also:

Constant Field Values

DISPLAY_MODE_SPECTRUM_ANALYSER

public static final int DISPLAY_MODE_SPECTRUM_ANALYSER

See Also:

Constant Field Values

DISPLAY_MODE_OFF

public static final int DISPLAY_MODE_OFF

See Also:

Constant Field Values

DEFAULT_WIDTH

public static final int DEFAULT_WIDTH

See Also:

Constant Field Values

DEFAULT_HEIGHT

public static final int DEFAULT_HEIGHT

See Also:

Constant Field Values

DEFAULT_FPS

public static final int DEFAULT_FPS

See Also:

Constant Field Values

DEFAULT_SPECTRUM_ANALYSER_FFT_SAMPLE_SIZE

public static final int DEFAULT_SPECTRUM_ANALYSER_FFT_SAMPLE_SIZE

See Also:

Constant Field Values

DEFAULT_SPECTRUM_ANALYSER_BAND_COUNT

public static final int DEFAULT_SPECTRUM_ANALYSER_BAND_COUNT

See Also:

Constant Field Values

DEFAULT_SPECTRUM_ANALYSER_DECAY

public static final float DEFAULT_SPECTRUM_ANALYSER_DECAY

See Also:

Constant Field Values

DEFAULT_SPECTRUM_ANALYSER_PEAK_DELAY

public static final int DEFAULT_SPECTRUM_ANALYSER_PEAK_DELAY

See Also:

Constant Field Values

DEFAULT_SPECTRUM_ANALYSER_PEAK_DELAY_FPS_RATIO

public static final float DEFAULT_SPECTRUM_ANALYSER_PEAK_DELAY_FPS_RATIO

See Also:

Constant Field Values

DEFAULT_SPECTRUM_ANALYSER_PEAK_DELAY_FPS_RATIO_RANGE

public static final float DEFAULT_SPECTRUM_ANALYSER_PEAK_DELAY_FPS_RATIO_RANGE

See Also:

Constant Field Values

MIN_SPECTRUM_ANALYSER_DECAY

public static final float MIN_SPECTRUM_ANALYSER_DECAY

See Also:

Constant Field Values

MAX_SPECTRUM_ANALYSER_DECAY

public static final float MAX_SPECTRUM_ANALYSER_DECAY

See Also:

Constant Field Values

DEFAULT_BACKGROUND_COLOR

public static final java.awt.Color DEFAULT_BACKGROUND_COLOR

DEFAULT_SCOPE_COLOR

public static final java.awt.Color DEFAULT_SCOPE_COLOR

DEFAULT_VU_METER_DECAY

public static final float DEFAULT_VU_METER_DECAY

See Also:

Constant Field Values

Constructor Detail

SpectrumTimeAnalyzer

public SpectrumTimeAnalyzer()

Method Detail

isPeaksEnabled

public boolean isPeaksEnabled()

setPeaksEnabled

public void setPeaksEnabled(boolean peaksEnabled)

startDSP

public void startDSP(javax.sound.sampled.SourceDataLine line)

Starts DSP.

Parameters:

line -

stopDSP

public void stopDSP()

Stop DSP.

setupDSP

public void setupDSP(javax.sound.sampled.SourceDataLine line)

Setup DSP.

Parameters:

line -

writeDSP

public void writeDSP(byte[] pcmdata)

Write PCM data to DSP.

Parameters:

pcmdata -

getDSP

public kj.dsp.KJDigitalSignalProcessingAudioDataConsumer getDSP()

Return DSP.

Returns:

setVisColor

public void setVisColor(java.lang.String viscolor)

Set visual colors from skin.

Parameters:

viscolor -

setPeakColor

public void setPeakColor(java.awt.Color c)

Set visual peak color.

Parameters:

c -

setPeakDelay

public void setPeakDelay(int framestowait)

Set peak falloff delay.

Parameters:

framestowait -

getPeakDelay

public int getPeakDelay()

Return peak falloff delay

Returns:

int framestowait

getColor

public java.awt.Color getColor(java.lang.String linecolor)

Convert string to color.

Parameters:

linecolor -

Returns:

getDefaultSpectrumAnalyserColors

public static java.awt.Color[] getDefaultSpectrumAnalyserColors()

getDisplayMode

public int getDisplayMode()

Returns:

Returns the current display mode, DISPLAY_MODE_SCOPE or DISPLAY_MODE_SPECTRUM_ANALYSER.

getSpectrumAnalyserBandCount

public int getSpectrumAnalyserBandCount()

Returns:

Returns the current number of bands displayed by the spectrum analyser.

getSpectrumAnalyserDecay

public float getSpectrumAnalyserDecay()

Returns:

Returns the decay rate of the spectrum analyser's bands.

getScopeColor

public java.awt.Color getScopeColor()

Returns:

Returns the color the scope is rendered in.

getSpectrumAnalyserColors

public java.awt.Color[] getSpectrumAnalyserColors()

Returns:

Returns the color scale used to render the spectrum analyser bars.

paintComponent

public void paintComponent(java.awt.Graphics pGraphics)

Overrides:

paintComponent in class javax.swing.JComponent

process

public void process(float[] pLeft,
                    float[] pRight,
                    float pFrameRateRatioHint)

Specified by:

process in interface kj.dsp.KJDigitalSignalProcessor

setDisplayMode

public void setDisplayMode(int pMode)

Sets the current display mode.

Parameters:

pMode - Must be either DISPLAY_MODE_SCOPE or DISPLAY_MODE_SPECTRUM_ANALYSER.

setDisplayMode

public void setDisplayMode(java.lang.String pMode)

Sets the display mode based on a string value of one of the String constants OFF, ANALYZER, SCOPE.

Parameters:

pMode - the string value of which mode to set

setScopeColor

public void setScopeColor(java.awt.Color pColor)

Sets the color of the scope.

Parameters:

pColor -

setSpectrumAnalyserBandCount

public void setSpectrumAnalyserBandCount(int pCount)

Sets the numbers of bands rendered by the spectrum analyser.

Parameters:

pCount - Cannot be more than half the "FFT sample size".

setSpectrumAnalyserDecay

public void setSpectrumAnalyserDecay(float pDecay)

Sets the spectrum analyser band decay rate.

Parameters:

pDecay - Must be a number between 0.0 and 1.0 exclusive.

setSpectrumAnalyserColors

public void setSpectrumAnalyserColors(java.awt.Color[] pColors)

Sets the spectrum analyser color scale.

Parameters:

pColors - Any amount of colors may be used. Must not be null.

setSpectrumAnalyserFFTSampleSize

public void setSpectrumAnalyserFFTSampleSize(int pSize)

Sets the FFT sample size to be just for calculating the spectrum analyser values. The default is 512.

Parameters:

pSize - Cannot be more than the size of the sample provided by the DSP.