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

Macro Definition Documentation

#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().

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

static

Definition at line 610 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 733 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 928 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 939 of file dsputil_altivec.c.

Referenced by ff_dsputil_init_ppc().