Jamoma API  0.6.0.a19
HammingWindow Class Reference

This implements a window function as described @ http://local.wasp.uwa.edu.au/~pbourke/miscellaneous/windows/ hamming(x) = 0.54 + 0.46*cos(2*PI*(x-0.5)) More...

#include <TTHammingWindow.h>

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Protected Member Functions

TTErr calculateValue (const TTFloat64 &x, TTFloat64 &y, TTPtrSizedInt data)
 Calculate y = f(x) for a single value. More...
 
TTErr processAudio (TTAudioSignalArrayPtr inputs, TTAudioSignalArrayPtr outputs)
 A standard audio processing method as used by TTBlue objects. More...
 
virtual TTErr test (TTValue &returnedTestInfo)
 Unit test for the window function unit. More...
 

Detailed Description

This implements a window function as described @ http://local.wasp.uwa.edu.au/~pbourke/miscellaneous/windows/ hamming(x) = 0.54 + 0.46*cos(2*PI*(x-0.5))

Definition at line 31 of file TTHammingWindow.h.

Member Function Documentation

TTErr HammingWindow::calculateValue ( const TTFloat64 x,
TTFloat64 y,
TTPtrSizedInt  data 
)
inlineprotected

Calculate y = f(x) for a single value.

Parameters
xThe input value to the window function.
yThe resulting value for the window function.
dataNot used.
Returns
TTErr error code if the method fails to execute, else kTTErrNone.

Definition at line 41 of file TTHammingWindow.cpp.

References kTTErrNone, and kTTTwoPi.

Referenced by processAudio().

TTErr HammingWindow::processAudio ( TTAudioSignalArrayPtr  inputs,
TTAudioSignalArrayPtr  outputs 
)
protected

A standard audio processing method as used by TTBlue objects.

Parameters
inputsThe input vector that is to be processed.
outputsThe resulting windowed vector.
Returns
TTErr error code if the method fails to execute, else kTTErrNone.

Definition at line 48 of file TTHammingWindow.cpp.

References calculateValue().

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TTErr HammingWindow::test ( TTValue returnedTestInfo)
protectedvirtual

Unit test for the window function unit.

Parameters
returnedTestInfoThe outcome from the performed unit test.
Returns
TTErr error code if the method fails to execute, else kTTErrNone.

Reimplemented from TTAudioObjectBase.

Definition at line 44 of file TTHammingWindow.test.cpp.

References TTAudioSignal::allocWithVectorSize(), TTAudioSignal::mSampleVectors, TTAudioObjectBase::process(), TTObjectBase::setAttributeValue(), TT, TTObjectBaseInstantiate(), and TTObjectBaseRelease().

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The documentation for this class was generated from the following files: