soundPlayback
Class PlaybackProcess

java.lang.Object
  PamguardMVC.PamProcess
      soundPlayback.PlaybackProcess

All Implemented Interfaces:

Annotator, PamObserver

public class PlaybackProcess
extends PamProcess

Pam Process for sound playback (corralls data from multiple channels and then passes it on to the PlaybackSystem.

For file analysis, playback is through a chosen sound card. For playback of real time data, the playbackSystem is hanbdled by the real time acquisition system - so samples stay synchronised.

Author:

Doug Gillespie

See Also:

PlaybackSystem

Field Summary

private int[]	channelPos
(package private) int	haveChannels
private PlaybackControl	playbackControl
private RawDataUnit[]	rawDataUnits
(package private) boolean	running
(package private) int	runningChannels

Fields inherited from class PamguardMVC.PamProcess

outputDataBlocks, processName, sampleRate

Constructor Summary

PlaybackProcess(PlaybackControl playbackControl)

Method Summary

void	newData(PamObservable o, PamDataUnit arg)
void	noteNewSettings()
void	pamStart() Called for each process to tell it to start (may not be necessary for processes which are listening for data anyway.
void	pamStop() Stops the process.
void	prepareProcess() Called for each process before any of them receive the PamStart command
void	setSampleRate(float sampleRate, boolean notify) New sample rate

Methods inherited from class PamguardMVC.PamProcess

absMillisecondsToSamples, absSamplesToMilliseconds, addOutputDataBlock, changedThreading, clearOldData, createAnnotations, destroyProcess, fillXMLElement, fillXMLParameters, getAncestorDataBlock, getAnnotation, getBackendProcess, getChainPosition, getCpuPercent, getNumAnnotations, getNumOutputDataBlocks, getObserverName, getObserverObject, getOfflineData, getOutputDataBlock, getPamControlledUnit, getParentDataBlock, getParentProcess, getProcessName, getRawSourceDataBlock, getRequiredDataHistory, getSampleRate, getSourceDataBlock, getSourceProcess, isCanMultiThread, makePamProcess, masterClockUpdate, notifyModelChanged, relMillisecondsToSamples, relSamplesToMilliseconds, removeObservable, removeOutputDatablock, saveViewerData, setBackendProcess, setCanMultiThread, setParentDataBlock, setParentDataBlock, setProcessName, setupProcess, toString, update, updateData

Methods inherited from class java.lang.Object

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

Field Detail

playbackControl

private PlaybackControl playbackControl

rawDataUnits

private RawDataUnit[] rawDataUnits

channelPos

private int[] channelPos

haveChannels

int haveChannels

runningChannels

int runningChannels

running

boolean running

Constructor Detail

PlaybackProcess

public PlaybackProcess(PlaybackControl playbackControl)

Method Detail

prepareProcess

public void prepareProcess()

Description copied from class: PamProcess

Called for each process before any of them receive the PamStart command

Overrides:

prepareProcess in class PamProcess

setSampleRate

public void setSampleRate(float sampleRate,
                          boolean notify)

Description copied from interface: PamObserver

New sample rate

Specified by:

setSampleRate in interface PamObserver

Overrides:

setSampleRate in class PamProcess

notify - Notify other PamObservers and PamObservables in the chain.

pamStart

public void pamStart()

Description copied from class: PamProcess

Called for each process to tell it to start (may not be necessary for processes which are listening for data anyway.

Specified by:

pamStart in class PamProcess

pamStop

public void pamStop()

Description copied from class: PamProcess

Stops the process.

Specified by:

pamStop in class PamProcess

newData

public void newData(PamObservable o,
                    PamDataUnit arg)

Overrides:

newData in class PamProcess

noteNewSettings

public void noteNewSettings()

Specified by:

noteNewSettings in interface PamObserver

Overrides:

noteNewSettings in class PamProcess