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dsputil_altivec.c File Reference
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/ppc/types_altivec.h"
#include "libavutil/ppc/util_altivec.h"
#include "libavcodec/dsputil.h"
#include "dsputil_altivec.h"

Go to the source code of this file.

Macros

#define op_avg(a, b)   a = ( ((a)|(b)) - ((((a)^(b))&0xFEFEFEFEUL)>>1) )
 
#define ONEITERBUTTERFLY(i, res)
 
#define ONEITERBUTTERFLY(i, res1, res2)
 

Functions

static int sad16_x2_altivec (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 
static int sad16_y2_altivec (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 
static int sad16_xy2_altivec (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 
static int sad16_altivec (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 
static int sad8_altivec (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 
static int pix_norm1_altivec (uint8_t *pix, int line_size)
 
static int sse8_altivec (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 Sum of Squared Errors for a 8x8 block.
 
static int sse16_altivec (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 Sum of Squared Errors for a 16x16 block.
 
static int pix_sum_altivec (uint8_t *pix, int line_size)
 
static void get_pixels_altivec (int16_t *restrict block, const uint8_t *pixels, int line_size)
 
static void diff_pixels_altivec (int16_t *restrict block, const uint8_t *s1, const uint8_t *s2, int stride)
 
static void clear_block_altivec (int16_t *block)
 
static void add_bytes_altivec (uint8_t *dst, uint8_t *src, int w)
 
void ff_put_pixels16_altivec (uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
 
void ff_avg_pixels16_altivec (uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
 
static void avg_pixels8_altivec (uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
 
static void put_pixels8_xy2_altivec (uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
 
static void put_no_rnd_pixels8_xy2_altivec (uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
 
static void put_pixels16_xy2_altivec (uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
 
static void put_no_rnd_pixels16_xy2_altivec (uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
 
static int hadamard8_diff8x8_altivec (void *s, uint8_t *dst, uint8_t *src, int stride, int h)
 
static int hadamard8_diff16x8_altivec (void *s, uint8_t *dst, uint8_t *src, int stride, int h)
 
static int hadamard8_diff16_altivec (void *s, uint8_t *dst, uint8_t *src, int stride, int h)
 
static void avg_pixels8_xy2_altivec (uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
 
av_cold void ff_dsputil_init_altivec (DSPContext *c, AVCodecContext *avctx)
 

Macro Definition Documentation

#define op_avg (   a,
  b 
)    a = ( ((a)|(b)) - ((((a)^(b))&0xFEFEFEFEUL)>>1) )

Definition at line 652 of file dsputil_altivec.c.

#define ONEITERBUTTERFLY (   i,
  res 
)
Value:
{ \
register vector unsigned char src1, src2, srcO; \
register vector unsigned char dst1, dst2, dstO; \
register vector signed short srcV, dstV; \
register vector signed short but0, but1, but2, op1, op2, op3; \
src1 = vec_ld(stride * i, src); \
src2 = vec_ld((stride * i) + 15, src); \
srcO = vec_perm(src1, src2, vec_lvsl(stride * i, src)); \
dst1 = vec_ld(stride * i, dst); \
dst2 = vec_ld((stride * i) + 15, dst); \
dstO = vec_perm(dst1, dst2, vec_lvsl(stride * i, dst)); \
/* promote the unsigned chars to signed shorts */ \
/* we're in the 8x8 function, we only care for the first 8 */ \
srcV = (vector signed short)vec_mergeh((vector signed char)vzero, \
(vector signed char)srcO); \
dstV = (vector signed short)vec_mergeh((vector signed char)vzero, \
(vector signed char)dstO); \
/* subtractions inside the first butterfly */ \
but0 = vec_sub(srcV, dstV); \
op1 = vec_perm(but0, but0, perm1); \
but1 = vec_mladd(but0, vprod1, op1); \
op2 = vec_perm(but1, but1, perm2); \
but2 = vec_mladd(but1, vprod2, op2); \
op3 = vec_perm(but2, but2, perm3); \
res = vec_mladd(but2, vprod3, op3); \
}

Referenced by hadamard8_diff16x8_altivec(), and hadamard8_diff8x8_altivec().

#define ONEITERBUTTERFLY (   i,
  res1,
  res2 
)

Function Documentation

static int sad16_x2_altivec ( void *  v,
uint8_t *  pix1,
uint8_t *  pix2,
int  line_size,
int  h 
)
static

Definition at line 33 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static int sad16_y2_altivec ( void *  v,
uint8_t *  pix1,
uint8_t *  pix2,
int  line_size,
int  h 
)
static

Definition at line 77 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static int sad16_xy2_altivec ( void *  v,
uint8_t *  pix1,
uint8_t *  pix2,
int  line_size,
int  h 
)
static

Definition at line 135 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static int sad16_altivec ( void *  v,
uint8_t *  pix1,
uint8_t *  pix2,
int  line_size,
int  h 
)
static

Definition at line 230 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static int sad8_altivec ( void *  v,
uint8_t *  pix1,
uint8_t *  pix2,
int  line_size,
int  h 
)
static

Definition at line 270 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static int pix_norm1_altivec ( uint8_t *  pix,
int  line_size 
)
static

Definition at line 315 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static int sse8_altivec ( void *  v,
uint8_t *  pix1,
uint8_t *  pix2,
int  line_size,
int  h 
)
static

Sum of Squared Errors for a 8x8 block.

AltiVec-enhanced. It's the sad8_altivec code above w/ squaring added.

Definition at line 352 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static int sse16_altivec ( void *  v,
uint8_t *  pix1,
uint8_t *  pix2,
int  line_size,
int  h 
)
static

Sum of Squared Errors for a 16x16 block.

AltiVec-enhanced. It's the sad16_altivec code above w/ squaring added.

Definition at line 405 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static int pix_sum_altivec ( uint8_t *  pix,
int  line_size 
)
static

Definition at line 447 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static void get_pixels_altivec ( int16_t *restrict  block,
const uint8_t *  pixels,
int  line_size 
)
static

Definition at line 480 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static void diff_pixels_altivec ( int16_t *restrict  block,
const uint8_t *  s1,
const uint8_t *  s2,
int  stride 
)
static

Definition at line 506 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static void clear_block_altivec ( int16_t *  block)
static

Definition at line 580 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static void add_bytes_altivec ( uint8_t *  dst,
uint8_t *  src,
int  w 
)
static

Definition at line 593 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

void ff_put_pixels16_altivec ( uint8_t *  block,
const uint8_t *  pixels,
ptrdiff_t  line_size,
int  h 
)

Definition at line 611 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec(), and put_vp8_pixels16_altivec().

void ff_avg_pixels16_altivec ( uint8_t *  block,
const uint8_t *  pixels,
ptrdiff_t  line_size,
int  h 
)

Definition at line 653 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static void avg_pixels8_altivec ( uint8_t *  block,
const uint8_t *  pixels,
ptrdiff_t  line_size,
int  h 
)
static

Definition at line 672 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static void put_pixels8_xy2_altivec ( uint8_t *  block,
const uint8_t *  pixels,
ptrdiff_t  line_size,
int  h 
)
static

Definition at line 703 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static void put_no_rnd_pixels8_xy2_altivec ( uint8_t *  block,
const uint8_t *  pixels,
ptrdiff_t  line_size,
int  h 
)
static

Definition at line 762 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static void put_pixels16_xy2_altivec ( uint8_t *  block,
const uint8_t *  pixels,
ptrdiff_t  line_size,
int  h 
)
static

Definition at line 822 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static void put_no_rnd_pixels16_xy2_altivec ( uint8_t *  block,
const uint8_t *  pixels,
ptrdiff_t  line_size,
int  h 
)
static

Definition at line 890 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static int hadamard8_diff8x8_altivec ( void *  s,
uint8_t *  dst,
uint8_t *  src,
int  stride,
int  h 
)
static

Definition at line 958 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static int hadamard8_diff16x8_altivec ( void *  s,
uint8_t *  dst,
uint8_t *  src,
int  stride,
int  h 
)
static

Definition at line 1081 of file dsputil_altivec.c.

Referenced by hadamard8_diff16_altivec().

static int hadamard8_diff16_altivec ( void *  s,
uint8_t *  dst,
uint8_t *  src,
int  stride,
int  h 
)
static

Definition at line 1276 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

static void avg_pixels8_xy2_altivec ( uint8_t *  block,
const uint8_t *  pixels,
ptrdiff_t  line_size,
int  h 
)
static

Definition at line 1288 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_altivec().

av_cold void ff_dsputil_init_altivec ( DSPContext *  c,
AVCodecContext *  avctx 
)

Definition at line 1350 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_ppc().

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