mdct15.c File Reference

Celt non-power of 2 iMDCT. More...

#include <float.h>
#include <math.h>
#include <stddef.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "mdct15.h"
#include "fft-internal.h"

Go to the source code of this file.

Macros
#define	FFT_FLOAT   1
#define	CMUL3(c, a, b)   CMUL((c).re, (c).im, (a).re, (a).im, (b).re, (b).im)

Functions
av_cold void	ff_mdct15_uninit (MDCT15Context **ps)
static int	init_pfa_reindex_tabs (MDCT15Context *s)
static void	fft5 (FFTComplex *out, FFTComplex *in, FFTComplex exptab[2])
static void	fft15_c (FFTComplex *out, FFTComplex *in, FFTComplex *exptab, ptrdiff_t stride)
static void	mdct15 (MDCT15Context *s, float *dst, const float *src, ptrdiff_t stride)
static void	imdct15_half (MDCT15Context *s, float *dst, const float *src, ptrdiff_t stride)
static void	postrotate_c (FFTComplex *out, FFTComplex *in, FFTComplex *exp, int *lut, ptrdiff_t len8)
av_cold int	ff_mdct15_init (MDCT15Context **ps, int inverse, int N, double scale)

Detailed Description

Celt non-power of 2 iMDCT.

Definition in file mdct15.c.

Macro Definition Documentation

#define FFT_FLOAT   1

Definition at line 38 of file mdct15.c.

#define CMUL3	(		c,
			a,
			b
	)		CMUL((c).re, (c).im, (a).re, (a).im, (b).re, (b).im)

Definition at line 41 of file mdct15.c.

Referenced by fft15_c(), and imdct15_half().

Function Documentation

av_cold void ff_mdct15_uninit

(

MDCT15Context **

ps

)

Definition at line 43 of file mdct15.c.

Referenced by aac_decode_close(), ff_celt_free(), ff_mdct15_init(), ff_opus_psy_end(), ff_opus_psy_init(), and opus_encode_end().

static int init_pfa_reindex_tabs ( MDCT15Context *  s )

inlinestatic

Definition at line 60 of file mdct15.c.

Referenced by ff_mdct15_init().

static void fft5 ( FFTComplex *  out, FFTComplex *  in, FFTComplex  exptab[2]  )

inlinestatic

Definition at line 92 of file mdct15.c.

Referenced by fft15_c().

static void fft15_c ( FFTComplex *  out, FFTComplex *  in, FFTComplex *  exptab, ptrdiff_t  stride  )

static

Definition at line 137 of file mdct15.c.

Referenced by ff_mdct15_init().

static void mdct15 ( MDCT15Context *  s, float *  dst, const float *  src, ptrdiff_t  stride  )

static

Definition at line 166 of file mdct15.c.

Referenced by ff_mdct15_init().

static void imdct15_half ( MDCT15Context *  s, float *  dst, const float *  src, ptrdiff_t  stride  )

static

Definition at line 206 of file mdct15.c.

Referenced by ff_mdct15_init().

static void postrotate_c ( FFTComplex *  out, FFTComplex *  in, FFTComplex *  exp, int *  lut, ptrdiff_t  len8  )

static

Definition at line 232 of file mdct15.c.

Referenced by ff_mdct15_init().

av_cold int ff_mdct15_init	(	MDCT15Context **	ps,
		int	inverse,
		int	N,
		double	scale
	)

Definition at line 247 of file mdct15.c.

Referenced by aac_decode_init(), ff_celt_init(), ff_opus_psy_init(), and opus_encode_init().