ref: 2b8dc065d1f6e66905bf85fb624a9c74e4fd8bdf
dir: /vp9/encoder/x86/vp9_variance_mmx.c/
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "vpx_config.h"
#include "vp9/encoder/vp9_variance.h"
#include "vp9/common/vp9_pragmas.h"
#include "vpx_ports/mem.h"
extern void filter_block1d_h6_mmx
(
const unsigned char *src_ptr,
unsigned short *output_ptr,
unsigned int src_pixels_per_line,
unsigned int pixel_step,
unsigned int output_height,
unsigned int output_width,
short *vp7_filter
);
extern void filter_block1d_v6_mmx
(
const short *src_ptr,
unsigned char *output_ptr,
unsigned int pixels_per_line,
unsigned int pixel_step,
unsigned int output_height,
unsigned int output_width,
short *vp7_filter
);
extern unsigned int vp9_get_mb_ss_mmx(const short *src_ptr);
extern unsigned int vp9_get8x8var_mmx
(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *SSE,
int *Sum
);
extern unsigned int vp9_get4x4var_mmx
(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *SSE,
int *Sum
);
extern void vp9_filter_block2d_bil4x4_var_mmx
(
const unsigned char *ref_ptr,
int ref_pixels_per_line,
const unsigned char *src_ptr,
int src_pixels_per_line,
const short *HFilter,
const short *VFilter,
int *sum,
unsigned int *sumsquared
);
extern void vp9_filter_block2d_bil_var_mmx
(
const unsigned char *ref_ptr,
int ref_pixels_per_line,
const unsigned char *src_ptr,
int src_pixels_per_line,
unsigned int Height,
const short *HFilter,
const short *VFilter,
int *sum,
unsigned int *sumsquared
);
unsigned int vp9_variance4x4_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse) {
unsigned int var;
int avg;
vp9_get4x4var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &var, &avg);
*sse = var;
return (var - (((unsigned int)avg * avg) >> 4));
}
unsigned int vp9_variance8x8_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse) {
unsigned int var;
int avg;
vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &var, &avg);
*sse = var;
return (var - (((unsigned int)avg * avg) >> 6));
}
unsigned int vp9_mse16x16_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse) {
unsigned int sse0, sse1, sse2, sse3, var;
int sum0, sum1, sum2, sum3;
vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0);
vp9_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, &sse1, &sum1);
vp9_get8x8var_mmx(src_ptr + 8 * source_stride, source_stride, ref_ptr + 8 * recon_stride, recon_stride, &sse2, &sum2);
vp9_get8x8var_mmx(src_ptr + 8 * source_stride + 8, source_stride, ref_ptr + 8 * recon_stride + 8, recon_stride, &sse3, &sum3);
var = sse0 + sse1 + sse2 + sse3;
*sse = var;
return var;
}
unsigned int vp9_variance16x16_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse) {
unsigned int sse0, sse1, sse2, sse3, var;
int sum0, sum1, sum2, sum3, avg;
vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0);
vp9_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, &sse1, &sum1);
vp9_get8x8var_mmx(src_ptr + 8 * source_stride, source_stride, ref_ptr + 8 * recon_stride, recon_stride, &sse2, &sum2);
vp9_get8x8var_mmx(src_ptr + 8 * source_stride + 8, source_stride, ref_ptr + 8 * recon_stride + 8, recon_stride, &sse3, &sum3);
var = sse0 + sse1 + sse2 + sse3;
avg = sum0 + sum1 + sum2 + sum3;
*sse = var;
return (var - (((unsigned int)avg * avg) >> 8));
}
unsigned int vp9_variance16x8_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse) {
unsigned int sse0, sse1, var;
int sum0, sum1, avg;
vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0);
vp9_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, &sse1, &sum1);
var = sse0 + sse1;
avg = sum0 + sum1;
*sse = var;
return (var - (((unsigned int)avg * avg) >> 7));
}
unsigned int vp9_variance8x16_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse) {
unsigned int sse0, sse1, var;
int sum0, sum1, avg;
vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0);
vp9_get8x8var_mmx(src_ptr + 8 * source_stride, source_stride, ref_ptr + 8 * recon_stride, recon_stride, &sse1, &sum1);
var = sse0 + sse1;
avg = sum0 + sum1;
*sse = var;
return (var - (((unsigned int)avg * avg) >> 7));
}
///////////////////////////////////////////////////////////////////////////
// the mmx function that does the bilinear filtering and var calculation //
// int one pass //
///////////////////////////////////////////////////////////////////////////
DECLARE_ALIGNED(16, const short, vp9_bilinear_filters_mmx[16][8]) = {
{ 128, 128, 128, 128, 0, 0, 0, 0 },
{ 120, 120, 120, 120, 8, 8, 8, 8 },
{ 112, 112, 112, 112, 16, 16, 16, 16 },
{ 104, 104, 104, 104, 24, 24, 24, 24 },
{ 96, 96, 96, 96, 32, 32, 32, 32 },
{ 88, 88, 88, 88, 40, 40, 40, 40 },
{ 80, 80, 80, 80, 48, 48, 48, 48 },
{ 72, 72, 72, 72, 56, 56, 56, 56 },
{ 64, 64, 64, 64, 64, 64, 64, 64 },
{ 56, 56, 56, 56, 72, 72, 72, 72 },
{ 48, 48, 48, 48, 80, 80, 80, 80 },
{ 40, 40, 40, 40, 88, 88, 88, 88 },
{ 32, 32, 32, 32, 96, 96, 96, 96 },
{ 24, 24, 24, 24, 104, 104, 104, 104 },
{ 16, 16, 16, 16, 112, 112, 112, 112 },
{ 8, 8, 8, 8, 120, 120, 120, 120 }
};
unsigned int vp9_sub_pixel_variance4x4_mmx
(
const unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
const unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse)
{
int xsum;
unsigned int xxsum;
vp9_filter_block2d_bil4x4_var_mmx(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line,
vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
&xsum, &xxsum
);
*sse = xxsum;
return (xxsum - (((unsigned int)xsum * xsum) >> 4));
}
unsigned int vp9_sub_pixel_variance8x8_mmx
(
const unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
const unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
) {
int xsum;
unsigned int xxsum;
vp9_filter_block2d_bil_var_mmx(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
&xsum, &xxsum
);
*sse = xxsum;
return (xxsum - (((unsigned int)xsum * xsum) >> 6));
}
unsigned int vp9_sub_pixel_variance16x16_mmx
(
const unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
const unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
) {
int xsum0, xsum1;
unsigned int xxsum0, xxsum1;
vp9_filter_block2d_bil_var_mmx(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
&xsum0, &xxsum0
);
vp9_filter_block2d_bil_var_mmx(
src_ptr + 8, src_pixels_per_line,
dst_ptr + 8, dst_pixels_per_line, 16,
vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
&xsum1, &xxsum1
);
xsum0 += xsum1;
xxsum0 += xxsum1;
*sse = xxsum0;
return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8));
}
unsigned int vp9_sub_pixel_mse16x16_mmx(
const unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
const unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
) {
vp9_sub_pixel_variance16x16_mmx(src_ptr, src_pixels_per_line, xoffset, yoffset, dst_ptr, dst_pixels_per_line, sse);
return *sse;
}
unsigned int vp9_sub_pixel_variance16x8_mmx
(
const unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
const unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
) {
int xsum0, xsum1;
unsigned int xxsum0, xxsum1;
vp9_filter_block2d_bil_var_mmx(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
&xsum0, &xxsum0
);
vp9_filter_block2d_bil_var_mmx(
src_ptr + 8, src_pixels_per_line,
dst_ptr + 8, dst_pixels_per_line, 8,
vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
&xsum1, &xxsum1
);
xsum0 += xsum1;
xxsum0 += xxsum1;
*sse = xxsum0;
return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 7));
}
unsigned int vp9_sub_pixel_variance8x16_mmx
(
const unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
const unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
) {
int xsum;
unsigned int xxsum;
vp9_filter_block2d_bil_var_mmx(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
&xsum, &xxsum
);
*sse = xxsum;
return (xxsum - (((unsigned int)xsum * xsum) >> 7));
}
unsigned int vp9_variance_halfpixvar16x16_h_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse) {
return vp9_sub_pixel_variance16x16_mmx(src_ptr, source_stride, 8, 0,
ref_ptr, recon_stride, sse);
}
unsigned int vp9_variance_halfpixvar16x16_v_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse) {
return vp9_sub_pixel_variance16x16_mmx(src_ptr, source_stride, 0, 8,
ref_ptr, recon_stride, sse);
}
unsigned int vp9_variance_halfpixvar16x16_hv_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse) {
return vp9_sub_pixel_variance16x16_mmx(src_ptr, source_stride, 8, 8,
ref_ptr, recon_stride, sse);
}