mpegaudiodec_altivec.c File Reference

#include "dsputil_altivec.h"
#include "libavutil/attributes.h"
#include "libavutil/internal.h"
#include "libavutil/ppc/util_altivec.h"
#include "libavcodec/mpegaudiodsp.h"

Go to the source code of this file.

Macros
#define	MACS(rt, ra, rb)   rt+=(ra)*(rb)
#define	MLSS(rt, ra, rb)   rt-=(ra)*(rb)
#define	SUM8(op, sum, w, p)
#define	MULT(a, b)

Functions
static void	apply_window (const float *buf, const float *win1, const float *win2, float *sum1, float *sum2, int len)
static void	apply_window_mp3 (float *in, float *win, int *unused, float *out, int incr)
av_cold void	ff_mpadsp_init_altivec (MPADSPContext *s)

Macro Definition Documentation

#define MACS	(		rt,
			ra,
			rb
	)		rt+=(ra)*(rb)

Definition at line 28 of file mpegaudiodec_altivec.c.

#define MLSS	(		rt,
			ra,
			rb
	)		rt-=(ra)*(rb)

Definition at line 29 of file mpegaudiodec_altivec.c.

Referenced by apply_window_mp3().

#define SUM8	(		op,
			sum,
			w,
			p
	)

Value:

{                                         \
    op(sum, (w)[0 * 64], (p)[0 * 64]);    \
    op(sum, (w)[1 * 64], (p)[1 * 64]);    \
    op(sum, (w)[2 * 64], (p)[2 * 64]);    \
    op(sum, (w)[3 * 64], (p)[3 * 64]);    \
    op(sum, (w)[4 * 64], (p)[4 * 64]);    \
    op(sum, (w)[5 * 64], (p)[5 * 64]);    \
    op(sum, (w)[6 * 64], (p)[6 * 64]);    \
    op(sum, (w)[7 * 64], (p)[7 * 64]);    \
}

Definition at line 31 of file mpegaudiodec_altivec.c.

Referenced by apply_window_mp3().

#define MULT	(		a,
			b
	)

Value:

{                                      \
        v1 = vec_ld(a, win1a);             \
        v2 = vec_ld(b, win2a);             \
        v3 = vec_ld(a, bufa);              \
        v0 = vec_madd(v3, v1, v0);         \
        v4 = vec_madd(v2, v3, v4);         \
    }

Referenced by apply_window().

Function Documentation

static void apply_window ( const float *  buf, const float *  win1, const float *  win2, float *  sum1, float *  sum2, int  len  )

static

Definition at line 43 of file mpegaudiodec_altivec.c.

Referenced by apply_window_mp3().

static void apply_window_mp3 ( float *  in, float *  win, int *  unused, float *  out, int  incr  )

static

Definition at line 88 of file mpegaudiodec_altivec.c.

Referenced by ff_mpadsp_init_altivec(), and ff_mpadsp_init_x86().

av_cold void ff_mpadsp_init_altivec

(

MPADSPContext *

s

)

Definition at line 127 of file mpegaudiodec_altivec.c.

Referenced by ff_mpadsp_init().