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/*
* Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license and patent
* grant that can be found in the LICENSE file in the root of the source
* tree. All contributing project authors may be found in the AUTHORS
* file in the root of the source tree.
*/
#include "variance.h"
#include "pragmas.h"
#include "vpx_ports/mem.h"
extern void filter_block1d_h6_mmx(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(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 void filter_block1d8_h6_sse2(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_block1d8_v6_sse2(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 void vp8_filter_block2d_bil4x4_var_mmx
(
unsigned char *ref_ptr,
int ref_pixels_per_line,
unsigned char *src_ptr,
int src_pixels_per_line,
const short *HFilter,
const short *VFilter,
int *sum,
unsigned int *sumsquared
);
extern unsigned int vp8_get4x4var_mmx
(
unsigned char *src_ptr,
int source_stride,
unsigned char *ref_ptr,
int recon_stride,
unsigned int *SSE,
int *Sum
);
unsigned int vp8_get_mb_ss_sse2
(
short *src_ptr
);
unsigned int vp8_get16x16var_sse2
(
unsigned char *src_ptr,
int source_stride,
unsigned char *ref_ptr,
int recon_stride,
unsigned int *SSE,
int *Sum
);
unsigned int vp8_get16x16pred_error_sse2
(
unsigned char *src_ptr,
int src_stride,
unsigned char *ref_ptr,
int ref_stride
);
unsigned int vp8_get8x8var_sse2
(
unsigned char *src_ptr,
int source_stride,
unsigned char *ref_ptr,
int recon_stride,
unsigned int *SSE,
int *Sum
);
void vp8_filter_block2d_bil_var_sse2
(
unsigned char *ref_ptr,
int ref_pixels_per_line,
unsigned char *src_ptr,
int src_pixels_per_line,
unsigned int Height,
const short *HFilter,
const short *VFilter,
int *sum,
unsigned int *sumsquared
);
void vp8_half_horiz_vert_variance16x_h_sse2
(
unsigned char *ref_ptr,
int ref_pixels_per_line,
unsigned char *src_ptr,
int src_pixels_per_line,
unsigned int Height,
int *sum,
unsigned int *sumsquared
);
void vp8_half_horiz_variance16x_h_sse2
(
unsigned char *ref_ptr,
int ref_pixels_per_line,
unsigned char *src_ptr,
int src_pixels_per_line,
unsigned int Height,
int *sum,
unsigned int *sumsquared
);
void vp8_half_vert_variance16x_h_sse2
(
unsigned char *ref_ptr,
int ref_pixels_per_line,
unsigned char *src_ptr,
int src_pixels_per_line,
unsigned int Height,
int *sum,
unsigned int *sumsquared
);
DECLARE_ALIGNED(16, extern short, vp8_vp7_bilinear_filters_mmx[8][8]);
unsigned int vp8_variance4x4_wmt(
unsigned char *src_ptr,
int source_stride,
unsigned char *ref_ptr,
int recon_stride)
{
unsigned int var;
int avg;
vp8_get4x4var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &var, &avg) ;
return (var - ((avg * avg) >> 4));
}
unsigned int vp8_variance8x8_wmt
(
unsigned char *src_ptr,
int source_stride,
unsigned char *ref_ptr,
int recon_stride)
{
unsigned int var;
int avg;
vp8_get8x8var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &var, &avg) ;
return (var - ((avg * avg) >> 6));
}
unsigned int vp8_variance16x16_wmt
(
unsigned char *src_ptr,
int source_stride,
unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
unsigned int sse0;
int sum0;
vp8_get16x16var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0) ;
*sse = sse0;
return (sse0 - ((sum0 * sum0) >> 8));
}
unsigned int vp8_mse16x16_wmt(
unsigned char *src_ptr,
int source_stride,
unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
unsigned int sse0;
int sum0;
vp8_get16x16var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0) ;
*sse = sse0;
return sse0;
}
unsigned int vp8_variance16x8_wmt
(
unsigned char *src_ptr,
int source_stride,
unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
unsigned int sse0, sse1, var;
int sum0, sum1, avg;
vp8_get8x8var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0) ;
vp8_get8x8var_sse2(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, &sse1, &sum1);
var = sse0 + sse1;
avg = sum0 + sum1;
*sse = var;
return (var - ((avg * avg) >> 7));
}
unsigned int vp8_variance8x16_wmt
(
unsigned char *src_ptr,
int source_stride,
unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
unsigned int sse0, sse1, var;
int sum0, sum1, avg;
vp8_get8x8var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0) ;
vp8_get8x8var_sse2(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 - ((avg * avg) >> 7));
}
///////////////////////////////////////////////////////////////////////////
// the mmx function that does the bilinear filtering and var calculation //
// int one pass //
///////////////////////////////////////////////////////////////////////////
DECLARE_ALIGNED(16, const short, vp8_bilinear_filters_xmm[8][16]) =
{
{ 128, 128, 128, 128, 128, 128, 128, 128, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 112, 112, 112, 112, 112, 112, 112, 112, 16, 16, 16, 16, 16, 16, 16, 16 },
{ 96, 96, 96, 96, 96, 96, 96, 96, 32, 32, 32, 32, 32, 32, 32, 32 },
{ 80, 80, 80, 80, 80, 80, 80, 80, 48, 48, 48, 48, 48, 48, 48, 48 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 48, 48, 48, 48, 48, 48, 48, 48, 80, 80, 80, 80, 80, 80, 80, 80 },
{ 32, 32, 32, 32, 32, 32, 32, 32, 96, 96, 96, 96, 96, 96, 96, 96 },
{ 16, 16, 16, 16, 16, 16, 16, 16, 112, 112, 112, 112, 112, 112, 112, 112 }
};
unsigned int vp8_sub_pixel_variance4x4_wmt
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
)
{
int xsum;
unsigned int xxsum;
vp8_filter_block2d_bil4x4_var_mmx(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line,
vp8_vp7_bilinear_filters_mmx[xoffset], vp8_vp7_bilinear_filters_mmx[yoffset],
&xsum, &xxsum
);
*sse = xxsum;
return (xxsum - ((xsum * xsum) >> 4));
}
unsigned int vp8_sub_pixel_variance8x8_wmt
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
)
{
int xsum;
unsigned int xxsum;
vp8_filter_block2d_bil_var_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
vp8_bilinear_filters_xmm[xoffset], vp8_bilinear_filters_xmm[yoffset],
&xsum, &xxsum
);
*sse = xxsum;
return (xxsum - ((xsum * xsum) >> 6));
}
unsigned int vp8_sub_pixel_variance16x16_wmt
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
)
{
int xsum0, xsum1;
unsigned int xxsum0, xxsum1;
// note we could avoid these if statements if the calling function
// just called the appropriate functions inside.
if (xoffset == 4 && yoffset == 0)
{
vp8_half_horiz_variance16x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
&xsum0, &xxsum0);
vp8_half_horiz_variance16x_h_sse2(
src_ptr + 8, src_pixels_per_line,
dst_ptr + 8, dst_pixels_per_line, 16,
&xsum1, &xxsum1);
}
else if (xoffset == 0 && yoffset == 4)
{
vp8_half_vert_variance16x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
&xsum0, &xxsum0);
vp8_half_vert_variance16x_h_sse2(
src_ptr + 8, src_pixels_per_line,
dst_ptr + 8, dst_pixels_per_line, 16,
&xsum1, &xxsum1);
}
else if (xoffset == 4 && yoffset == 4)
{
vp8_half_horiz_vert_variance16x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
&xsum0, &xxsum0);
vp8_half_horiz_vert_variance16x_h_sse2(
src_ptr + 8, src_pixels_per_line,
dst_ptr + 8, dst_pixels_per_line, 16,
&xsum1, &xxsum1);
}
else
{
vp8_filter_block2d_bil_var_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
vp8_bilinear_filters_xmm[xoffset], vp8_bilinear_filters_xmm[yoffset],
&xsum0, &xxsum0
);
vp8_filter_block2d_bil_var_sse2(
src_ptr + 8, src_pixels_per_line,
dst_ptr + 8, dst_pixels_per_line, 16,
vp8_bilinear_filters_xmm[xoffset], vp8_bilinear_filters_xmm[yoffset],
&xsum1, &xxsum1
);
}
xsum0 += xsum1;
xxsum0 += xxsum1;
*sse = xxsum0;
return (xxsum0 - ((xsum0 * xsum0) >> 8));
}
unsigned int vp8_sub_pixel_mse16x16_wmt(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
)
{
vp8_sub_pixel_variance16x16_wmt(src_ptr, src_pixels_per_line, xoffset, yoffset, dst_ptr, dst_pixels_per_line, sse);
return *sse;
}
unsigned int vp8_sub_pixel_variance16x8_wmt
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
)
{
int xsum0, xsum1;
unsigned int xxsum0, xxsum1;
vp8_filter_block2d_bil_var_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
vp8_bilinear_filters_xmm[xoffset], vp8_bilinear_filters_xmm[yoffset],
&xsum0, &xxsum0
);
vp8_filter_block2d_bil_var_sse2(
src_ptr + 8, src_pixels_per_line,
dst_ptr + 8, dst_pixels_per_line, 8,
vp8_bilinear_filters_xmm[xoffset], vp8_bilinear_filters_xmm[yoffset],
&xsum1, &xxsum1
);
xsum0 += xsum1;
xxsum0 += xxsum1;
*sse = xxsum0;
return (xxsum0 - ((xsum0 * xsum0) >> 7));
}
unsigned int vp8_sub_pixel_variance8x16_wmt
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
)
{
int xsum;
unsigned int xxsum;
vp8_filter_block2d_bil_var_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
vp8_bilinear_filters_xmm[xoffset], vp8_bilinear_filters_xmm[yoffset],
&xsum, &xxsum
);
*sse = xxsum;
return (xxsum - ((xsum * xsum) >> 7));
}
unsigned int vp8_i_variance16x16_wmt(
unsigned char *src_ptr,
int source_stride,
unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
unsigned int sse0, sse1, sse2, sse3, var;
int sum0, sum1, sum2, sum3, avg;
vp8_get8x8var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0) ;
vp8_get8x8var_sse2(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, &sse1, &sum1);
vp8_get8x8var_sse2(src_ptr + (source_stride >> 1), source_stride, ref_ptr + (recon_stride >> 1), recon_stride, &sse2, &sum2) ;
vp8_get8x8var_sse2(src_ptr + (source_stride >> 1) + 8, source_stride, ref_ptr + (recon_stride >> 1) + 8, recon_stride, &sse3, &sum3);
var = sse0 + sse1 + sse2 + sse3;
avg = sum0 + sum1 + sum2 + sum3;
*sse = var;
return (var - ((avg * avg) >> 8));
}
unsigned int vp8_i_variance8x16_wmt(
unsigned char *src_ptr,
int source_stride,
unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
unsigned int sse0, sse1, var;
int sum0, sum1, avg;
vp8_get8x8var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0) ;
vp8_get8x8var_sse2(src_ptr + (source_stride >> 1), source_stride, ref_ptr + (recon_stride >> 1), recon_stride, &sse1, &sum1) ;
var = sse0 + sse1;
avg = sum0 + sum1;
*sse = var;
return (var - ((avg * avg) >> 7));
}
unsigned int vp8_i_sub_pixel_variance16x16_wmt
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
)
{
return vp8_sub_pixel_variance16x16_wmt(src_ptr, (src_pixels_per_line >> 1), xoffset, yoffset, dst_ptr, (dst_pixels_per_line >> 1), sse);
}
unsigned int vp8_i_sub_pixel_variance8x16_wmt
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
)
{
return vp8_sub_pixel_variance8x16_wmt(src_ptr, (src_pixels_per_line >> 1), xoffset, yoffset, dst_ptr, (dst_pixels_per_line >> 1), sse);
}