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| 1 /* |
| 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #define HALFNDX 8 |
| 12 |
| 13 void vp9_half_horiz_variance16x_h_sse2(const unsigned char *ref_ptr, |
| 14 int ref_pixels_per_line, |
| 15 const unsigned char *src_ptr, |
| 16 int src_pixels_per_line, |
| 17 unsigned int Height, |
| 18 int *sum, |
| 19 unsigned int *sumsquared); |
| 20 |
| 21 void vp9_half_vert_variance16x_h_sse2(const unsigned char *ref_ptr, |
| 22 int ref_pixels_per_line, |
| 23 const unsigned char *src_ptr, |
| 24 int src_pixels_per_line, |
| 25 unsigned int Height, |
| 26 int *sum, |
| 27 unsigned int *sumsquared); |
| 28 |
| 29 void vp9_half_horiz_vert_variance16x_h_sse2(const unsigned char *ref_ptr, |
| 30 int ref_pixels_per_line, |
| 31 const unsigned char *src_ptr, |
| 32 int src_pixels_per_line, |
| 33 unsigned int Height, |
| 34 int *sum, |
| 35 unsigned int *sumsquared); |
| 36 |
| 37 void vp9_filter_block2d_bil_var_sse2(const unsigned char *ref_ptr, |
| 38 int ref_pixels_per_line, |
| 39 const unsigned char *src_ptr, |
| 40 int src_pixels_per_line, |
| 41 unsigned int Height, |
| 42 int xoffset, |
| 43 int yoffset, |
| 44 int *sum, |
| 45 unsigned int *sumsquared); |
| 46 |
| 47 unsigned int vp9_sub_pixel_variance16x2_sse2(const unsigned char *src_ptr, |
| 48 int src_pixels_per_line, |
| 49 int xoffset, |
| 50 int yoffset, |
| 51 const unsigned char *dst_ptr, |
| 52 int dst_pixels_per_line, |
| 53 unsigned int *sse) { |
| 54 int xsum0, xsum1; |
| 55 unsigned int xxsum0, xxsum1; |
| 56 |
| 57 if (xoffset == HALFNDX && yoffset == 0) { |
| 58 vp9_half_horiz_variance16x_h_sse2( |
| 59 src_ptr, src_pixels_per_line, |
| 60 dst_ptr, dst_pixels_per_line, 2, |
| 61 &xsum0, &xxsum0); |
| 62 } else if (xoffset == 0 && yoffset == HALFNDX) { |
| 63 vp9_half_vert_variance16x_h_sse2( |
| 64 src_ptr, src_pixels_per_line, |
| 65 dst_ptr, dst_pixels_per_line, 2, |
| 66 &xsum0, &xxsum0); |
| 67 } else if (xoffset == HALFNDX && yoffset == HALFNDX) { |
| 68 vp9_half_horiz_vert_variance16x_h_sse2( |
| 69 src_ptr, src_pixels_per_line, |
| 70 dst_ptr, dst_pixels_per_line, 2, |
| 71 &xsum0, &xxsum0); |
| 72 } else { |
| 73 vp9_filter_block2d_bil_var_sse2( |
| 74 src_ptr, src_pixels_per_line, |
| 75 dst_ptr, dst_pixels_per_line, 2, |
| 76 xoffset, yoffset, |
| 77 &xsum0, &xxsum0); |
| 78 |
| 79 vp9_filter_block2d_bil_var_sse2( |
| 80 src_ptr + 8, src_pixels_per_line, |
| 81 dst_ptr + 8, dst_pixels_per_line, 2, |
| 82 xoffset, yoffset, |
| 83 &xsum1, &xxsum1); |
| 84 xsum0 += xsum1; |
| 85 xxsum0 += xxsum1; |
| 86 } |
| 87 |
| 88 *sse = xxsum0; |
| 89 return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 5)); |
| 90 } |
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