FFTContext Struct Reference

#include <dsputil.h>

Data Fields
int	nbits
int	inverse
uint16_t *	revtab
FFTComplex *	exptab
FFTComplex *	exptab1
FFTComplex *	tmp_buf
void(*	fft_permute )(struct FFTContext *s, FFTComplex *z)
void(*	fft_calc )(struct FFTContext *s, FFTComplex *z)
void(*	imdct_calc )(struct MDCTContext *s, FFTSample *output, const FFTSample *input)
void(*	imdct_half )(struct MDCTContext *s, FFTSample *output, const FFTSample *input)

---

Detailed Description

Definition at line 672 of file dsputil.h.

---

Field Documentation

FFTComplex* FFTContext::exptab

Definition at line 676 of file dsputil.h.

Referenced by ff_fft_end(), and ff_fft_init().

FFTComplex* FFTContext::exptab1

Definition at line 677 of file dsputil.h.

Referenced by ff_fft_calc_altivec(), ff_fft_end(), and ff_fft_init().

void(* FFTContext::fft_calc)(struct FFTContext *s, FFTComplex *z)

Referenced by ff_fft_calc(), and ff_fft_init().

void(* FFTContext::fft_permute)(struct FFTContext *s, FFTComplex *z)

Referenced by ff_fft_init(), and ff_fft_permute().

void(* FFTContext::imdct_calc)(struct MDCTContext *s, FFTSample *output, const FFTSample *input)

Referenced by ff_fft_init(), and ff_imdct_calc().

void(* FFTContext::imdct_half)(struct MDCTContext *s, FFTSample *output, const FFTSample *input)

Referenced by ff_fft_init(), and ff_imdct_half().

int FFTContext::inverse

Definition at line 674 of file dsputil.h.

Referenced by ff_fft_calc_altivec(), and ff_fft_init().

int FFTContext::nbits

Definition at line 673 of file dsputil.h.

Referenced by ff_fft_calc_3dn2(), ff_fft_calc_altivec(), ff_fft_calc_c(), ff_fft_calc_sse(), ff_fft_init(), ff_fft_permute_c(), ff_fft_permute_sse(), ff_imdct_half_3dn2(), and ff_imdct_half_sse().

uint16_t* FFTContext::revtab

Definition at line 675 of file dsputil.h.

Referenced by ff_fft_end(), ff_fft_init(), ff_fft_permute_c(), ff_fft_permute_sse(), ff_imdct_half_3dn2(), ff_imdct_half_c(), ff_imdct_half_sse(), and ff_mdct_calc().

FFTComplex* FFTContext::tmp_buf

Definition at line 678 of file dsputil.h.

Referenced by ff_fft_end(), ff_fft_init(), ff_fft_permute_c(), and ff_fft_permute_sse().

---

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

• libavcodec/dsputil.h