libavcodec/x86/fft_3dn2.c File Reference

#include "libavutil/x86_cpu.h"
#include "libavcodec/dsputil.h"
#include "fft.h"

Go to the source code of this file.

Defines
#define	PSWAPD(s, d)   "pswapd "#s","#d"\n"
#define	CMUL(j, mm0, mm1)
Functions
void	ff_fft_dispatch_3dn2 (FFTComplex *z, int nbits)
void	ff_fft_dispatch_interleave_3dn2 (FFTComplex *z, int nbits)
void	ff_fft_calc_3dn2 (FFTContext *s, FFTComplex *z)
void	ff_imdct_half_3dn2 (FFTContext *s, FFTSample *output, const FFTSample *input)
void	ff_imdct_calc_3dn2 (FFTContext *s, FFTSample *output, const FFTSample *input)
Variables
static const unsigned int	m1m1 [2] = { 1U<<31, 1U<<31 }

---

Define Documentation

#define CMUL	(	j,
		mm0,
		mm1		)

Value:

"movq  (%2,"#j",2), %%mm6 \n"\
        "movq 8(%2,"#j",2), "#mm0"\n"\
        "movq        %%mm6, "#mm1"\n"\
        "movq        "#mm0",%%mm7 \n"\
        "pfmul   (%3,"#j"), %%mm6 \n"\
        "pfmul   (%4,"#j"), "#mm0"\n"\
        "pfmul   (%4,"#j"), "#mm1"\n"\
        "pfmul   (%3,"#j"), %%mm7 \n"\
        "pfsub       %%mm6, "#mm0"\n"\
        "pfadd       %%mm7, "#mm1"\n"

#define PSWAPD	(	s,
		d		)	"pswapd "#s","#d"\n"

Definition at line 39 of file fft_3dn2.c.

Referenced by ff_imdct_calc_3dn2(), and ff_imdct_half_3dn2().

---

Function Documentation

void ff_fft_calc_3dn2	(	FFTContext *	s,
		FFTComplex *	z
	)

Definition at line 45 of file fft_3dn2.c.

Referenced by ff_fft_init_mmx().

void ff_fft_dispatch_3dn2	(	FFTComplex *	z,
		int	nbits
	)

Referenced by ff_imdct_half_3dn2().

void ff_fft_dispatch_interleave_3dn2	(	FFTComplex *	z,
		int	nbits
	)

Referenced by ff_fft_calc_3dn2().

void ff_imdct_calc_3dn2	(	FFTContext *	s,
		FFTSample *	output,
		const FFTSample *	input
	)

Definition at line 147 of file fft_3dn2.c.

Referenced by ff_fft_init_mmx().

void ff_imdct_half_3dn2	(	FFTContext *	s,
		FFTSample *	output,
		const FFTSample *	input
	)

Definition at line 56 of file fft_3dn2.c.

Referenced by ff_fft_init_mmx(), and ff_imdct_calc_3dn2().

---

Variable Documentation

const unsigned int m1m1[2] = { 1U<<31, 1U<<31 } [static]

Definition at line 26 of file fft_3dn2.c.