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/*
* 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 "vp8/encoder/variance.h"
#include "vp8/common/filter.h"
#if HAVE_ARMV6
#include "vp8/common/arm/bilinearfilter_arm.h"
unsigned int vp8_sub_pixel_variance8x8_armv6
(
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
)
{
unsigned short first_pass[10*8];
unsigned char second_pass[8*8];
const short *HFilter, *VFilter;
HFilter = vp8_bilinear_filters[xoffset];
VFilter = vp8_bilinear_filters[yoffset];
vp8_filter_block2d_bil_first_pass_armv6(src_ptr, first_pass,
src_pixels_per_line,
9, 8, HFilter);
vp8_filter_block2d_bil_second_pass_armv6(first_pass, second_pass,
8, 8, 8, VFilter);
return vp8_variance8x8_armv6(second_pass, 8, dst_ptr,
dst_pixels_per_line, sse);
}
unsigned int vp8_sub_pixel_variance16x16_armv6
(
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
)
{
unsigned short first_pass[36*16];
unsigned char second_pass[20*16];
const short *HFilter, *VFilter;
unsigned int var;
if (xoffset == 4 && yoffset == 0)
{
var = vp8_variance_halfpixvar16x16_h_armv6(src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, sse);
}
else if (xoffset == 0 && yoffset == 4)
{
var = vp8_variance_halfpixvar16x16_v_armv6(src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, sse);
}
else if (xoffset == 4 && yoffset == 4)
{
var = vp8_variance_halfpixvar16x16_hv_armv6(src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, sse);
}
else
{
HFilter = vp8_bilinear_filters[xoffset];
VFilter = vp8_bilinear_filters[yoffset];
vp8_filter_block2d_bil_first_pass_armv6(src_ptr, first_pass,
src_pixels_per_line,
17, 16, HFilter);
vp8_filter_block2d_bil_second_pass_armv6(first_pass, second_pass,
16, 16, 16, VFilter);
var = vp8_variance16x16_armv6(second_pass, 16, dst_ptr,
dst_pixels_per_line, sse);
}
return var;
}
#endif /* HAVE_ARMV6 */
#if HAVE_ARMV7
unsigned int vp8_sub_pixel_variance16x16_neon
(
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
)
{
if (xoffset == 4 && yoffset == 0)
return vp8_variance_halfpixvar16x16_h_neon(src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse);
else if (xoffset == 0 && yoffset == 4)
return vp8_variance_halfpixvar16x16_v_neon(src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse);
else if (xoffset == 4 && yoffset == 4)
return vp8_variance_halfpixvar16x16_hv_neon(src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse);
else
return vp8_sub_pixel_variance16x16_neon_func(src_ptr, src_pixels_per_line, xoffset, yoffset, dst_ptr, dst_pixels_per_line, sse);
}
#endif
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