Input stage of convolution. More...

#include <apf/convolver.h>

Inheritance diagram for apf::conv::Input:

[legend]

Public Member Functions
	Input (size_t block_size_, size_t partitions_)

template<typename In >
void	add_block (In first)
	Add a block of time-domain input samples. More...

size_t	partitions () const

Public Member Functions inherited from apf::conv::TransformBase
template<typename In >
void	prepare_filter (In first, In last, Filter &filter) const
	Transform time-domain samples. More...

size_t	block_size () const

size_t	partition_size () const

template<typename In >
In	prepare_partition (In first, In last, fft_node &partition) const
	FFT of one block. More...

Public Attributes
fixed_list< fft_node >	spectra
	Spectra of the partitions (double-blocks) of the input signal to be convolved. More...

Additional Inherited Members
Protected Types inherited from apf::conv::TransformBase
using	scoped_plan = fftw< float >::scoped_plan

using	plan_ptr = std::unique_ptr< scoped_plan >

Protected Member Functions inherited from apf::conv::TransformBase
	TransformBase (size_t block_size_)

	TransformBase (TransformBase &&)=default

plan_ptr	_create_plan (float *array) const
	Create in-place FFT plan for halfcomplex data format. More...

void	_fft (float *first) const
	In-place FFT. More...

Protected Attributes inherited from apf::conv::TransformBase
plan_ptr	_fft_plan

Detailed Description

Input stage of convolution.

New audio data is fed in here, further processing happens in Output.

Definition at line 306 of file convolver.h.

Constructor & Destructor Documentation

◆ Input()

apf::conv::Input::Input	(	size_t	block_size_,
		size_t	partitions_
	)

inline

Parameters

block_size_	audio block size
partitions_	number of partitions

Definition at line 310 of file convolver.h.

References apf::conv::TransformBase::_create_plan(), and spectra.

Member Function Documentation

◆ add_block()

template<typename In >

void apf::conv::Input::add_block ( In first )

Add a block of time-domain input samples.

Parameters

first Iterator to first sample.

Template Parameters

In	Forward iterator

Definition at line 336 of file convolver.h.

References apf::conv::TransformBase::_fft(), apf::math::has_only_zeros(), and spectra.

◆ partitions()

size_t apf::conv::Input::partitions ( ) const

inline

Definition at line 323 of file convolver.h.

Member Data Documentation

◆ spectra

fixed_list<fft_node> apf::conv::Input::spectra

Spectra of the partitions (double-blocks) of the input signal to be convolved.

The first element is the most recent signal chunk.

Definition at line 327 of file convolver.h.

Referenced by add_block(), and Input().

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

apf/convolver.h

Public Member Functions

Public Attributes

Additional Inherited Members