CSL  6.0
csl::IFFT Class Reference

Inverse FFT. More...

#include <Spectral.h>

+ Inheritance diagram for csl::IFFT:

Public Member Functions

 IFFT (int size=CGestalt::blockSize(), CSL_FFTType type=CSL_FFT_COMPLEX)
 Default size to the buffer size and flags to measure. More...
 
 ~IFFT ()
 
int fftSize ()
 no setter – create a new IFFT to change size More...
 
void binValue (int binNumber, float *outRealPart, float *outComplexPart)
 getter methods More...
 
void binValueMagPhase (int binNumber, float *outMag, float *outPhase)
 
void setBin (int binNumber, float realPart, float imagPart)
 
void setBins (float *real, float *imag)
 
void setBins (SampleComplexVector cmplxSpectrum)
 
void setBins (SampleBuffer cmplxSpectrum)
 
void setBins (int lower, int upper, float *real, float *imag)
 
void setBinMagPhase (int binNumber, float mag, float phase)
 
void setBinsMagPhase (float *mags, float *phases)
 
void nextBuffer (Buffer &outputBuffer) throw (CException)
 get a buffer of Frames – this is the core CSL "pull" function; the given buffer can be written into, and a changed() message is sent. More...
 
unsigned frameRate ()
 
void setFrameRate (unsigned rate)
 get/set the receiver's frame rate More...
 
virtual unsigned numChannels ()
 
void setNumChannels (unsigned ch)
 get/set the receiver's number of outputs More...
 
BufferCopyPolicy copyPolicy ()
 
void setCopyPolicy (BufferCopyPolicy ch)
 get/set the receiver's buffer copy policy More...
 
virtual void nextBuffer (Buffer &outputBuffer, unsigned outBufNum) throw (CException)
 really compute the next buffer given an offset base channel; this is called by nextBuffer, possibly multiple times More...
 
virtual bool isFixed ()
 query whether I'm fixed (StaticVariable overrides this) More...
 
virtual bool isActive ()
 query whether I'm currently active (Envelopes can go inactive) More...
 
void addOutput (UnitGenerator *ugen)
 add to or return the UGen vector of outputs More...
 
void removeOutput (UnitGenerator *ugen)
 
UGenVector outputs ()
 
virtual unsigned numOutputs ()
 
bool checkFanOut (Buffer &outputBuffer) throw (CException)
 check for fan-out and copy previous buffer; return true if fanning out More...
 
void handleFanOut (Buffer &outputBuffer) throw (CException)
 
virtual void setValue (sample theValue)
 set/get the value (not allowed in the abstract, useful for static values) More...
 
virtual sample value ()
 
virtual void dump ()
 pretty-print the receiver More...
 
virtual void trigger ()
 
void attachObserver (Observer *)
 (possibly notify obersvers on my death) More...
 
void detachObserver (Observer *)
 
void changed (void *argument)
 this is what I send to myself to notify my observers; It's not overridden in general. It results in the observers receiving update() calls < override evaluate to filter updates to the observer map More...
 
virtual int evaluate (void *argument)
 

Protected Member Functions

void zeroBuffer (Buffer &outputBuffer, unsigned outBufNum)
 utility method to zero out an outputBuffer More...
 

Protected Attributes

int mFFTSize
 This should be unsigned, but is signed for compatability with FFTW. More...
 
FFT_Wrapper mWrapper
 actual FFT wrapper object More...
 
Buffer mInBuf
 input buffer More...
 
SampleComplexPtr mSpectrum
 spectral data I accumulate More...
 
unsigned mFrameRate
 trigger ignored here More...
 
unsigned mNumChannels
 my "expected" number of output channels More...
 
BufferCopyPolicy mCopyPolicy
 the policy I use if asked for more or fewer channels More...
 
UGenVector mOutputs
 the vector of my output UGens More...
 
unsigned mNumOutputs
 the number of outputs More...
 
BuffermOutputCache
 my past output ring buffer (only used in case of fan-out) More...
 
unsigned mSequence
 the highest-seen buffer seq number More...
 

Detailed Description

Inverse FFT.

Definition at line 47 of file Spectral.h.

Constructor & Destructor Documentation

IFFT::IFFT ( int  size = CGestalt::blockSize(),
CSL_FFTType  type = CSL_FFT_COMPLEX 
)

Default size to the buffer size and flags to measure.

Definition at line 59 of file Spectral.cpp.

References mFFTSize, mSpectrum, and SAFE_MALLOC.

IFFT::~IFFT ( )

Definition at line 65 of file Spectral.cpp.

References mSpectrum, and SAFE_FREE.

Member Function Documentation

int csl::IFFT::fftSize ( )
inline

no setter – create a new IFFT to change size

Definition at line 54 of file Spectral.h.

References mFFTSize.

void IFFT::binValue ( int  binNumber,
float *  outRealPart,
float *  outComplexPart 
)

getter methods

Definition at line 69 of file Spectral.cpp.

References cx_r, and mSpectrum.

Referenced by binValueMagPhase().

void IFFT::binValueMagPhase ( int  binNumber,
float *  outMag,
float *  outPhase 
)

Definition at line 74 of file Spectral.cpp.

References binValue().

void IFFT::setBin ( int  binNumber,
float  realPart,
float  imagPart 
)

Definition at line 81 of file Spectral.cpp.

References cx_i, cx_r, csl::logMsg(), and mSpectrum.

Referenced by setBinMagPhase().

void IFFT::setBins ( float *  real,
float *  imag 
)

Definition at line 89 of file Spectral.cpp.

References cx_i, cx_r, mFFTSize, and mSpectrum.

void IFFT::setBins ( SampleComplexVector  cmplxSpectrum)

Definition at line 96 of file Spectral.cpp.

References cx_i, cx_r, mFFTSize, and mSpectrum.

void IFFT::setBins ( SampleBuffer  cmplxSpectrum)

Definition at line 103 of file Spectral.cpp.

References cx_i, cx_r, mFFTSize, and mSpectrum.

void IFFT::setBins ( int  lower,
int  upper,
float *  real,
float *  imag 
)

Definition at line 110 of file Spectral.cpp.

References cx_i, cx_r, mFFTSize, and mSpectrum.

void IFFT::setBinMagPhase ( int  binNumber,
float  mag,
float  phase 
)

Definition at line 121 of file Spectral.cpp.

References setBin().

Referenced by test_ifft(), and test_vector_ifft().

void IFFT::setBinsMagPhase ( float *  mags,
float *  phases 
)

Definition at line 128 of file Spectral.cpp.

References cx_i, cx_r, mFFTSize, and mSpectrum.

void IFFT::nextBuffer ( Buffer outputBuffer)
throw (CException
)
virtual

get a buffer of Frames – this is the core CSL "pull" function; the given buffer can be written into, and a changed() message is sent.

Reimplemented from csl::UnitGenerator.

Definition at line 137 of file Spectral.cpp.

References csl::kLogError, and csl::logMsg().

unsigned csl::UnitGenerator::frameRate ( )
inlineinherited
void csl::UnitGenerator::setFrameRate ( unsigned  rate)
inlineinherited

get/set the receiver's frame rate

Definition at line 250 of file CSL_Core.h.

References csl::UnitGenerator::mFrameRate.

void csl::UnitGenerator::setNumChannels ( unsigned  ch)
inlineinherited

get/set the receiver's number of outputs

Definition at line 253 of file CSL_Core.h.

References csl::UnitGenerator::mNumChannels.

Referenced by csl::BinauralPanner::BinauralPanner(), csl::Spatializer::Spatializer(), csl::VBAP::speakerLayoutChanged(), and csl::VBAP::VBAP().

BufferCopyPolicy csl::UnitGenerator::copyPolicy ( )
inlineinherited

Definition at line 255 of file CSL_Core.h.

References csl::UnitGenerator::mCopyPolicy.

void csl::UnitGenerator::setCopyPolicy ( BufferCopyPolicy  ch)
inlineinherited
virtual bool csl::UnitGenerator::isFixed ( )
inlinevirtualinherited

query whether I'm fixed (StaticVariable overrides this)

Reimplemented in csl::StaticVariable, and csl::BinaryOp.

Definition at line 271 of file CSL_Core.h.

virtual bool csl::UnitGenerator::isActive ( )
inlinevirtualinherited
UGenVector csl::UnitGenerator::outputs ( )
inlineinherited

Definition at line 277 of file CSL_Core.h.

References csl::UnitGenerator::mOutputs.

virtual unsigned csl::UnitGenerator::numOutputs ( )
inlinevirtualinherited

Definition at line 278 of file CSL_Core.h.

References csl::UnitGenerator::mNumOutputs.

bool UnitGenerator::checkFanOut ( Buffer outputBuffer)
throw (CException
)
inherited

check for fan-out and copy previous buffer; return true if fanning out

Definition at line 699 of file CSL_Core.cpp.

void UnitGenerator::handleFanOut ( Buffer outputBuffer)
throw (CException
)
inherited

Definition at line 713 of file CSL_Core.cpp.

References csl_max.

virtual void csl::UnitGenerator::setValue ( sample  theValue)
inlinevirtualinherited

set/get the value (not allowed in the abstract, useful for static values)

Reimplemented in csl::DynamicVariable, and csl::StaticVariable.

Definition at line 284 of file CSL_Core.h.

virtual sample csl::UnitGenerator::value ( )
inlinevirtualinherited

Reimplemented in csl::StaticVariable.

Definition at line 285 of file CSL_Core.h.

virtual void csl::UnitGenerator::trigger ( void  )
inlinevirtualinherited
void UnitGenerator::zeroBuffer ( Buffer outputBuffer,
unsigned  outBufNum 
)
protectedinherited

utility method to zero out an outputBuffer

Definition at line 663 of file CSL_Core.cpp.

References csl::Buffer::buffer(), and csl::Buffer::mMonoBufferByteSize.

void Model::attachObserver ( Observer o)
inherited

(possibly notify obersvers on my death)

register/remove observers

Definition at line 502 of file CGestalt.cpp.

References csl::logMsg(), csl::Observer::mKey, and csl::Observer::mPeriod.

Referenced by CSLMIDIComponent::CSLMIDIComponent(), and csl::SpatialPanner::setSpeakerLayout().

void Model::detachObserver ( Observer o)
inherited
void Model::changed ( void *  argument)
inherited

this is what I send to myself to notify my observers; It's not overridden in general. It results in the observers receiving update() calls < override evaluate to filter updates to the observer map

Definition at line 540 of file CGestalt.cpp.

References csl::logMsg().

Referenced by csl::SpeakerLayout::addSpeaker(), csl::MIDIIn::handleIncomingMidiMessage(), and csl::SpeakerLayout::setDefaultSpeakerLayout().

virtual int csl::Model::evaluate ( void *  argument)
inlinevirtualinherited

Reimplemented in csl::MIDIIn.

Definition at line 270 of file CGestalt.h.

Member Data Documentation

int csl::IFFT::mFFTSize
protected

This should be unsigned, but is signed for compatability with FFTW.

Definition at line 71 of file Spectral.h.

Referenced by fftSize(), IFFT(), setBins(), and setBinsMagPhase().

FFT_Wrapper csl::IFFT::mWrapper
protected

actual FFT wrapper object

Definition at line 72 of file Spectral.h.

Buffer csl::IFFT::mInBuf
protected

input buffer

Definition at line 73 of file Spectral.h.

SampleComplexPtr csl::IFFT::mSpectrum
protected

spectral data I accumulate

Definition at line 74 of file Spectral.h.

Referenced by binValue(), IFFT(), setBin(), setBins(), setBinsMagPhase(), and ~IFFT().

BufferCopyPolicy csl::UnitGenerator::mCopyPolicy
protectedinherited

the policy I use if asked for more or fewer channels

Definition at line 293 of file CSL_Core.h.

Referenced by csl::UnitGenerator::copyPolicy(), and csl::UnitGenerator::setCopyPolicy().

UGenVector csl::UnitGenerator::mOutputs
protectedinherited
unsigned csl::UnitGenerator::mNumOutputs
protectedinherited

the number of outputs

Definition at line 295 of file CSL_Core.h.

Referenced by csl::UnitGenerator::addOutput(), csl::UnitGenerator::numOutputs(), and csl::UnitGenerator::removeOutput().

Buffer* csl::UnitGenerator::mOutputCache
protectedinherited

my past output ring buffer (only used in case of fan-out)

Definition at line 296 of file CSL_Core.h.

Referenced by csl::UnitGenerator::addOutput().

unsigned csl::UnitGenerator::mSequence
protectedinherited

the highest-seen buffer seq number

Definition at line 297 of file CSL_Core.h.


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