SoundRecorder
Class RecorderProcess

java.lang.Object
  PamguardMVC.PamProcess
      SoundRecorder.RecorderProcess

All Implemented Interfaces:

Annotator, PamObserver

public class RecorderProcess
extends PamProcess

Process raw audio data prior to storage. Raw data blocks only contain one channel of data each. RecorderProcess stacks up the data from all channels before passing it on the the RecorderStorage

Author:

Doug

See Also:

RecorderStorage, RecorderControl

Field Summary

(package private) java.lang.String	actionTrigger
(package private) int	collectedChannels
private boolean	dataComing Data flowing in from source (i.e.
(package private) int	grabBuffer Flag that when recording starts the buffer should be grabbed and inserted at the start of the recording.
private long	lastRecordedSample
(package private) RecorderControl	recorderControl
(package private) PamDataBlock<RecorderDataUnit>	recordingData
(package private) RecordingInfo	recordingInfo
(package private) long	sampleStartTime
(package private) double[][]	soundData

Fields inherited from class PamguardMVC.PamProcess

outputDataBlocks, processName, sampleRate

Constructor Summary

RecorderProcess(RecorderControl recorderControl)

Method Summary

long	getRequiredDataHistory(PamObservable o, java.lang.Object arg)
boolean	isDataComing()
void	newData(PamObservable o, PamDataUnit arg)
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
private void	recordData(PamObservable o, RawDataUnit rawDataUnit)
private boolean	recordSoundData(long dataTimeMillis, double[][] soundData)
protected void	setRecordStatus(int status, java.lang.String actionTrigger)
void	setSampleRate(float sampleRate, boolean notify) New sample rate
private boolean	startRecording(boolean forceStart)
protected boolean	stopRecording()
protected void	storageClosed()

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, getSampleRate, getSourceDataBlock, getSourceProcess, isCanMultiThread, makePamProcess, masterClockUpdate, noteNewSettings, 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

recorderControl

RecorderControl recorderControl

collectedChannels

int collectedChannels

sampleStartTime

long sampleStartTime

lastRecordedSample

private long lastRecordedSample

soundData

double[][] soundData

recordingInfo

RecordingInfo recordingInfo

recordingData

PamDataBlock<RecorderDataUnit> recordingData

dataComing

private boolean dataComing

Data flowing in from source (i.e. Pam Started)

grabBuffer

int grabBuffer

Flag that when recording starts the buffer should be grabbed and inserted at the start of the recording. If recording is already running, then this flag will have no effect. It is always cleared at the end of a recording. It's an integer value, so that different recorder triggers can demand different amounts of buffer.

actionTrigger

java.lang.String actionTrigger

Constructor Detail

RecorderProcess

public RecorderProcess(RecorderControl recorderControl)

Method Detail

getRequiredDataHistory

public long getRequiredDataHistory(PamObservable o,
                                   java.lang.Object arg)

Specified by:

getRequiredDataHistory in interface PamObserver

Overrides:

getRequiredDataHistory in class PamProcess

Parameters:

o - PamObservable class requiring the data

arg - optional argument from PamObservable

Returns:

time in milliseconds requried by data held in PamObservable

newData

public void newData(PamObservable o,
                    PamDataUnit arg)

Overrides:

newData in class PamProcess

recordData

private void recordData(PamObservable o,
                        RawDataUnit rawDataUnit)

recordSoundData

private boolean recordSoundData(long dataTimeMillis,
                                double[][] soundData)

setRecordStatus

protected void setRecordStatus(int status,
                               java.lang.String actionTrigger)

startRecording

private boolean startRecording(boolean forceStart)

stopRecording

protected boolean stopRecording()

storageClosed

protected void storageClosed()

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.

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

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

isDataComing

public boolean isDataComing()