Package SoundRecorder.trigger

Class TriggerDecisionMaker

java.lang.Object

SoundRecorder.trigger.TriggerDecisionMaker

public class TriggerDecisionMaker
extends Object

Basic recorder trigger which can be re-implemented in many guises.

Contains basic code for

a) requiring a minimum number of detections in a set time b) can limit total length of a recording c) can force a minimum gap between recordings.

Author:

Doug Gillespie

Constructor Summary

Constructors

Constructor	Description
TriggerDecisionMaker(RecorderTriggerData recorderTriggerData)

Method Summary

Modifier and Type	Method	Description
double	canRecord(RecorderTriggerData rtData, long timeNow, int nChan, float sampleRate, int nBytes)	Work out whether or not a recording can be made.
String	getMessage()
void	setMessage(String message)

Methods inherited from class java.lang.Object

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

Constructor Details

TriggerDecisionMaker

public TriggerDecisionMaker(RecorderTriggerData recorderTriggerData)

Method Details

canRecord

public double canRecord(RecorderTriggerData rtData,
 long timeNow,
 int nChan,
 float sampleRate,
 int nBytes)

Work out whether or not a recording can be made. If it can, the maximum length of the recording in seconds is returned, otherwise, 0 or a negative number.

Parameters:

timeNow - current data time in milliseconds

nChan - number of channels

sampleRate - sample rate for the recording

Returns:

+ve number of seconds to record, or invalid input: '<'=0 for no recording.

setMessage

public void setMessage(String message)

Parameters:

message - the message to set

getMessage

public String getMessage()

Returns:

the message