csl::Convolver Class Reference

#include <Convolver.h>

Inheritance diagram for csl::Convolver:

List of all members.

Public Member Functions
	Convolver ()
	Constructors.
	Convolver (char *IRfilename)
	give an IR file name or buffer and/or FFT len
	Convolver (unsigned len, Buffer &impulseResp)
	Convolver (unsigned len, char *IRfilename)
	Convolver (Buffer &inbuf)
	~Convolver ()
void	initialize (Buffer &buf) throw (CException)
	init/setup functions
void	setFilters (fftwf_complex **filterFFTs)
	set the IR spectrum array
void	setInputf (fftwf_complex *inFFT)
	pass in the input buffer
void	nextBuffer (Buffer &outputBuffer, unsigned outBufNum) throw (CException)
	main nextBuffer call sums past FFT'ed IRs and inputs
Public Attributes
CSL_FFTW_sample *	mSampleBuffer
	public I/O buffer ptr
Protected Member Functions
void	initialize (const char *filename) throw (CException)
	this reads in the file
void	complex_multiply_accumulate (fftwf_complex *left, fftwf_complex *right, fftwf_complex *output)
	fast complex ptr mult-accum utility
Protected Attributes
CSL_FFTW_cmplx **	mFilterFFTs
	A ring buffer of IR fft buffers.
CSL_FFTW_cmplx **	mInputFFTs
	A list of past input spectra.
CSL_FFTW_cmplx *	mSpectrumBuffer
	current summation buffer
CSL_FFTW_plan	mForwardPlan
CSL_FFTW_plan	mInversePlan
	FFT plans.
unsigned	mFFTSize
unsigned	mWindowCount
unsigned	mNumBufs
	window/buffer sizes
bool	mMyBuffers
	whether I allocated the filter buffers
bool	mMyInput
	whether to use pullInput

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Detailed Description

The CSL convolver class is an Effect

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Constructor & Destructor Documentation

csl::Convolver::Convolver

(

)

[inline]

Constructors.

Convolver::Convolver

(

char *

IRfilename

)

give an IR file name or buffer and/or FFT len

References csl::CGestalt::blockSize(), initialize(), mFFTSize, and mNumBufs.

Convolver::Convolver	(	unsigned	len,
		Buffer &	impulseResp
	)

References initialize(), mFFTSize, and mNumBufs.

Convolver::Convolver	(	unsigned	len,
		char *	IRfilename
	)

References initialize(), mFFTSize, and mNumBufs.

Convolver::Convolver

(

Buffer &

inbuf

)

References csl::CGestalt::blockSize(), initialize(), mFFTSize, and mNumBufs.

Convolver::~Convolver

(

)

References mFilterFFTs, mForwardPlan, mInputFFTs, mInversePlan, mNumBufs, mSampleBuffer, and mSpectrumBuffer.

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Member Function Documentation

void Convolver::initialize

(

Buffer &

buf

)

throw (CException)

init/setup functions

this takes the fft of the IR buffer

References CHECK_PTR, testkiss::j, csl::kLogInfo, and csl::logMsg().

Referenced by Convolver().

void Convolver::setFilters

(

fftwf_complex **

filterFFTs

)

set the IR spectrum array

pass in the input buffer

void Convolver::setInputf

(

fftwf_complex *

inFFT

)

pass in the input buffer

References mFFTSize, mInputFFTs, mMyInput, mNumBufs, and mWindowCount.

void Convolver::nextBuffer	(	Buffer &	outputBuffer,
		unsigned	outBufNum
	)			throw (CException) [virtual]

main nextBuffer call sums past FFT'ed IRs and inputs

set the IR spectrum array

Reimplemented from csl::UnitGenerator.

References csl::Effect::pullInput().

void Convolver::initialize

(

const char *

filename

)

throw (CException) [protected]

this reads in the file

References csl::Buffer::allocateBuffers(), csl::kLogInfo, csl::logMsg(), and csl::Buffer::monoBuffer().

void csl::Convolver::complex_multiply_accumulate	(	fftwf_complex *	left,
		fftwf_complex *	right,
		fftwf_complex *	output
	)			[protected]

fast complex ptr mult-accum utility

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Member Data Documentation

CSL_FFTW_sample* csl::Convolver::mSampleBuffer

public I/O buffer ptr

Referenced by ~Convolver().

CSL_FFTW_cmplx** csl::Convolver::mFilterFFTs [protected]

A ring buffer of IR fft buffers.

Referenced by ~Convolver().

CSL_FFTW_cmplx** csl::Convolver::mInputFFTs [protected]

A list of past input spectra.

Referenced by setInputf(), and ~Convolver().

CSL_FFTW_cmplx* csl::Convolver::mSpectrumBuffer [protected]

current summation buffer

Referenced by ~Convolver().

CSL_FFTW_plan csl::Convolver::mForwardPlan [protected]

Referenced by ~Convolver().

CSL_FFTW_plan csl::Convolver::mInversePlan [protected]

FFT plans.

Referenced by ~Convolver().

unsigned csl::Convolver::mFFTSize [protected]

Referenced by Convolver(), and setInputf().

unsigned csl::Convolver::mWindowCount [protected]

Referenced by setInputf().

unsigned csl::Convolver::mNumBufs [protected]

window/buffer sizes

Referenced by Convolver(), setInputf(), and ~Convolver().

bool csl::Convolver::mMyBuffers [protected]

whether I allocated the filter buffers

bool csl::Convolver::mMyInput [protected]

whether to use pullInput

Referenced by setInputf().

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

• CSL/Processors/OLD/Convolver.h
• CSL/Processors/OLD/Convolver.cpp