VuoDspObject Class Reference

Description

Holds instance data required by vDsp.

Definition at line 34 of file VuoDsp.mm.

Instance Methods
(VuoReal *)	- frequenciesForSampleData:numFrames:mode:outputCount:newSumming:
	... More...
(id)	- initWithSize:windowing:
	Initialize a new VuoDspObject that will analyze samples of frameSize buckets. More...

Protected Attributes
FFTSetup	_fftSetup
	vDsp FFTSetup for this instance. More...
DSPSplitComplex	_split
	Holds the DSPSplitComplex values per-bucket. More...
float *	_frequency
	Hold the real values from the split complex array. More...
unsigned int	_frameSize
	The number of frames per-bucket to analyze. Must be a power of 2. More...
VuoWindowing	_windowMode
	What type of windowing to apply to sample data. More...
float *	_window
	Holds windowed real values from samples. More...
VuoAudioBinAverageType	priorFrequencyMode
	To detect when the frequencyMode changes. More...

Method Documentation

frequenciesForSampleData:numFrames:mode:outputCount:newSumming:

- (VuoReal *) frequenciesForSampleData:		(float *)	sampleData
numFrames:		(int)	frames
mode:		(VuoAudioBinAverageType)	frequencyMode
outputCount:		(unsigned int *)	count
newSumming:		(bool)	newSumming

...

Definition at line 115 of file VuoDsp.mm.

initWithSize:windowing:

- (id) initWithSize:		(unsigned int)	frameSize
windowing:		(VuoWindowing)	windowMode

Initialize a new VuoDspObject that will analyze samples of frameSize buckets.

To change the frameSize, you must release and re-initialize this object.

Definition at line 55 of file VuoDsp.mm.

Member Data Documentation

_fftSetup

- (FFTSetup) _fftSetup

protected

vDsp FFTSetup for this instance.

Definition at line 36 of file VuoDsp.mm.

_frameSize

- (unsigned int) _frameSize

protected

The number of frames per-bucket to analyze. Must be a power of 2.

Definition at line 39 of file VuoDsp.mm.

_frequency

- (float*) _frequency

protected

Hold the real values from the split complex array.

Definition at line 38 of file VuoDsp.mm.

_split

- (DSPSplitComplex) _split

protected

Holds the DSPSplitComplex values per-bucket.

Definition at line 37 of file VuoDsp.mm.

_window

- (float*) _window

protected

Holds windowed real values from samples.

Definition at line 41 of file VuoDsp.mm.

_windowMode

- (VuoWindowing) _windowMode

protected

What type of windowing to apply to sample data.

Definition at line 40 of file VuoDsp.mm.

priorFrequencyMode

- (VuoAudioBinAverageType) priorFrequencyMode

protected

To detect when the frequencyMode changes.

Definition at line 42 of file VuoDsp.mm.

---

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

• node/vuo.audio/VuoDsp.mm