me_cmp_altivec.c File Reference

#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/ppc/util_altivec.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/mpegvideo.h"
#include "libavcodec/me_cmp.h"
#include "me_cmp_altivec.h"

Go to the source code of this file.

Macros
#define	GET_PERM(per1, per2, pix)
#define	LOAD_PIX(v, iv, pix, per1, per2)
#define	ONEITERBUTTERFLY(i, res)
#define	ONEITERBUTTERFLY(i, res1, res2)

Functions
static int	sad16_x2_altivec (MPVEncContext *v, const uint8_t *pix1, const uint8_t *pix2, ptrdiff_t stride, int h)
static int	sad16_y2_altivec (MPVEncContext *v, const uint8_t *pix1, const uint8_t *pix2, ptrdiff_t stride, int h)
static int	sad16_xy2_altivec (MPVEncContext *v, const uint8_t *pix1, const uint8_t *pix2, ptrdiff_t stride, int h)
static int	sad16_altivec (MPVEncContext *v, const uint8_t *pix1, const uint8_t *pix2, ptrdiff_t stride, int h)
static int	sad8_altivec (MPVEncContext *v, const uint8_t *pix1, const uint8_t *pix2, ptrdiff_t stride, int h)
static int	sse8_altivec (MPVEncContext *v, const uint8_t *pix1, const uint8_t *pix2, ptrdiff_t stride, int h)
static int	sse16_altivec (MPVEncContext *v, const uint8_t *pix1, const uint8_t *pix2, ptrdiff_t stride, int h)
static int	hadamard8_diff8x8_altivec (MPVEncContext *s, const uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h)
static int	hadamard8_diff16x8_altivec (MPVEncContext *s, const uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h)
static int	hadamard8_diff16_altivec (MPVEncContext *s, const uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h)
av_cold void	ff_me_cmp_init_altivec (MECmpContext *c, AVCodecContext *avctx)

Macro Definition Documentation

GET_PERM

#define GET_PERM	(		per1,
			per2,
			pix )

Value:

{}

Definition at line 46 of file me_cmp_altivec.c.

Referenced by sad16_x2_altivec(), and sad16_xy2_altivec().

LOAD_PIX

#define LOAD_PIX	(		v,
			iv,
			pix,
			per1,
			per2 )

Value:

    {\
    v  = vec_vsx_ld(0,  pix);\
    iv = vec_vsx_ld(1,  pix);\
}

Definition at line 47 of file me_cmp_altivec.c.

Referenced by sad16_x2_altivec(), and sad16_xy2_altivec().

ONEITERBUTTERFLY [1/2]

#define ONEITERBUTTERFLY	(		i,
			res )

Value:

    {                                                                       \
        register vector unsigned char srcO =  unaligned_load(stride * i, src);  \
        register vector unsigned char dstO = unaligned_load(stride * i, dst);\
                                                                            \
        /* Promote the unsigned chars to signed shorts. */                  \
        /* We're in the 8x8 function, we only care for the first 8. */      \
        register vector signed short srcV =                                 \
            (vector signed short) VEC_MERGEH((vector signed char) vzero,    \
                                             (vector signed char) srcO);    \
        register vector signed short dstV =                                 \
            (vector signed short) VEC_MERGEH((vector signed char) vzero,    \
                                             (vector signed char) dstO);    \
                                                                            \
        /* subtractions inside the first butterfly */                       \
        register vector signed short but0 = vec_sub(srcV, dstV);            \
        register vector signed short op1  = vec_perm(but0, but0, perm1);    \
        register vector signed short but1 = vec_mladd(but0, vprod1, op1);   \
        register vector signed short op2  = vec_perm(but1, but1, perm2);    \
        register vector signed short but2 = vec_mladd(but1, vprod2, op2);   \
        register vector signed short op3  = vec_perm(but2, but2, perm3);    \
        res  = vec_mladd(but2, vprod3, op3);                                \
    }

Referenced by hadamard8_diff16x8_altivec(), and hadamard8_diff8x8_altivec().

ONEITERBUTTERFLY [2/2]

#define ONEITERBUTTERFLY	(		i,
			res1,
			res2 )

Function Documentation

sad16_x2_altivec()

static int sad16_x2_altivec ( MPVEncContext * v, const uint8_t * pix1, const uint8_t * pix2, ptrdiff_t stride, int h )

static

Definition at line 52 of file me_cmp_altivec.c.

Referenced by ff_me_cmp_init_altivec().

sad16_y2_altivec()

static int sad16_y2_altivec ( MPVEncContext * v, const uint8_t * pix1, const uint8_t * pix2, ptrdiff_t stride, int h )

static

Definition at line 92 of file me_cmp_altivec.c.

Referenced by ff_me_cmp_init_altivec().

sad16_xy2_altivec()

static int sad16_xy2_altivec ( MPVEncContext * v, const uint8_t * pix1, const uint8_t * pix2, ptrdiff_t stride, int h )

static

Definition at line 142 of file me_cmp_altivec.c.

Referenced by ff_me_cmp_init_altivec().

sad16_altivec()

static int sad16_altivec ( MPVEncContext * v, const uint8_t * pix1, const uint8_t * pix2, ptrdiff_t stride, int h )

static

Definition at line 231 of file me_cmp_altivec.c.

Referenced by ff_me_cmp_init_altivec().

sad8_altivec()

static int sad8_altivec ( MPVEncContext * v, const uint8_t * pix1, const uint8_t * pix2, ptrdiff_t stride, int h )

static

Definition at line 266 of file me_cmp_altivec.c.

Referenced by ff_me_cmp_init_altivec().

sse8_altivec()

static int sse8_altivec ( MPVEncContext * v, const uint8_t * pix1, const uint8_t * pix2, ptrdiff_t stride, int h )

static

Definition at line 310 of file me_cmp_altivec.c.

Referenced by ff_me_cmp_init_altivec().

sse16_altivec()

static int sse16_altivec ( MPVEncContext * v, const uint8_t * pix1, const uint8_t * pix2, ptrdiff_t stride, int h )

static

Definition at line 355 of file me_cmp_altivec.c.

Referenced by ff_me_cmp_init_altivec().

hadamard8_diff8x8_altivec()

static int hadamard8_diff8x8_altivec ( MPVEncContext * s, const uint8_t * dst, const uint8_t * src, ptrdiff_t stride, int h )

static

Definition at line 393 of file me_cmp_altivec.c.

Referenced by ff_me_cmp_init_altivec().

hadamard8_diff16x8_altivec()

static int hadamard8_diff16x8_altivec ( MPVEncContext * s, const uint8_t * dst, const uint8_t * src, ptrdiff_t stride, int h )

static

Definition at line 519 of file me_cmp_altivec.c.

Referenced by hadamard8_diff16_altivec().

hadamard8_diff16_altivec()

static int hadamard8_diff16_altivec ( MPVEncContext * s, const uint8_t * dst, const uint8_t * src, ptrdiff_t stride, int h )

static

Definition at line 710 of file me_cmp_altivec.c.

Referenced by ff_me_cmp_init_altivec().

ff_me_cmp_init_altivec()

av_cold void ff_me_cmp_init_altivec	(	MECmpContext *	c,
		AVCodecContext *	avctx )

Definition at line 723 of file me_cmp_altivec.c.

Referenced by ff_me_cmp_init_ppc().