RFFT Class Reference

Class performing a RFFT of interleaved stereo data. More...

#include <rfft.h>

Collaboration diagram for RFFT:

Public Member Functions
	RFFT (int size, bool windowed=false)
	The constructor creates a RFFT plan. More...
	~RFFT ()
	Free the RFFT plan.
void	calc (const float *input, float *output)
	Calculate FFTs. More...

Static Protected Member Functions
static void	hann (std::vector< kiss_fft_scalar > &data)
	Apply a Hann window to a buffer. More...

Protected Attributes
size_t	m_size
	Size for a single channel.
bool	m_windowed
	Whether or not a Hann window is applied.
kiss_fftr_cfg	m_cfg
	FFT plan.

Detailed Description

Class performing a RFFT of interleaved stereo data.

Constructor & Destructor Documentation

RFFT()

RFFT::RFFT	(	int	size,
		bool	windowed = false
	)

The constructor creates a RFFT plan.

size Length of time data for a single channel. windowed Whether or not to apply a Hann window to data.

Member Function Documentation

calc()

void RFFT::calc	(	const float *	input,
		float *	output
	)

Calculate FFTs.

Parameters

input	Input data of size 2*m_size
output	Output data of size m_size.

hann()

void RFFT::hann ( std::vector< kiss_fft_scalar > &  data )

staticprotected

Apply a Hann window to a buffer.

Parameters

data	Vector with data to apply window to.

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

• xbmc/utils/rfft.h
• xbmc/utils/rfft.cpp