Updates libvpx to enable the VP9 decoder.

This change enables VP9 decoder for all build configurations.

Checkout is from master branch(hash:12180c8329d56d72e8d4424b8fd82b1b2f8e846a).

Change-Id: Ieaba85d0bc54e1ecdf9596398dafa03c43182f8c

1 files changed, 773 insertions, 0 deletions

diff --git a/libvpx/vp9/encoder/x86/vp9_variance_sse2.c b/libvpx/vp9/encoder/x86/vp9_variance_sse2.c
new file mode 100644
index 0000000..67ca925
--- /dev/null
+++ b/libvpx/vp9/encoder/x86/vp9_variance_sse2.c
@@ -0,0 +1,773 @@
+/*
+ *  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"
+
+#define HALFNDX 8
+
+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 void filter_block1d8_h6_sse2(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_block1d8_v6_sse2(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 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 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
+);
+
+unsigned int vp9_get_mb_ss_sse2
+(
+  const short *src_ptr
+);
+unsigned int vp9_get16x16var_sse2
+(
+  const unsigned char *src_ptr,
+  int source_stride,
+  const unsigned char *ref_ptr,
+  int recon_stride,
+  unsigned int *SSE,
+  int *Sum
+);
+unsigned int vp9_get8x8var_sse2
+(
+  const unsigned char *src_ptr,
+  int source_stride,
+  const unsigned char *ref_ptr,
+  int recon_stride,
+  unsigned int *SSE,
+  int *Sum
+);
+void vp9_filter_block2d_bil_var_sse2
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  unsigned int Height,
+  int  xoffset,
+  int  yoffset,
+  int *sum,
+  unsigned int *sumsquared
+);
+void vp9_half_horiz_vert_variance8x_h_sse2
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  unsigned int Height,
+  int *sum,
+  unsigned int *sumsquared
+);
+void vp9_half_horiz_vert_variance16x_h_sse2
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  unsigned int Height,
+  int *sum,
+  unsigned int *sumsquared
+);
+void vp9_half_horiz_variance8x_h_sse2
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  unsigned int Height,
+  int *sum,
+  unsigned int *sumsquared
+);
+void vp9_half_horiz_variance16x_h_sse2
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  unsigned int Height,
+  int *sum,
+  unsigned int *sumsquared
+);
+void vp9_half_vert_variance8x_h_sse2
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  unsigned int Height,
+  int *sum,
+  unsigned int *sumsquared
+);
+void vp9_half_vert_variance16x_h_sse2
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  unsigned int Height,
+  int *sum,
+  unsigned int *sumsquared
+);
+
+DECLARE_ALIGNED(16, extern const short, vp9_bilinear_filters_mmx[16][8]);
+
+typedef unsigned int (*get_var_sse2) (
+  const unsigned char *src_ptr,
+  int source_stride,
+  const unsigned char *ref_ptr,
+  int recon_stride,
+  unsigned int *SSE,
+  int *Sum
+);
+
+static void variance_sse2(const unsigned char *src_ptr, int  source_stride,
+                        const unsigned char *ref_ptr, int  recon_stride,
+                        int  w, int  h, unsigned int *sse, int *sum,
+                        get_var_sse2 var_fn, int block_size) {
+  unsigned int sse0;
+  int sum0;
+  int i, j;
+
+  *sse = 0;
+  *sum = 0;
+
+  for (i = 0; i < h; i += block_size) {
+    for (j = 0; j < w; j += block_size) {
+      var_fn(src_ptr + source_stride * i + j, source_stride,
+             ref_ptr + recon_stride * i + j, recon_stride, &sse0, &sum0);
+      *sse += sse0;
+      *sum += sum0;
+    }
+  }
+}
+
+unsigned int vp9_variance4x4_sse2(
+  const unsigned char *src_ptr,
+  int  source_stride,
+  const unsigned char *ref_ptr,
+  int  recon_stride,
+  unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 4, 4,
+                  &var, &avg, vp9_get4x4var_mmx, 4);
+  *sse = var;
+  return (var - (((unsigned int)avg * avg) >> 4));
+}
+
+unsigned int vp9_variance8x4_sse2(const uint8_t *src_ptr,
+                                  int  source_stride,
+                                  const uint8_t *ref_ptr,
+                                  int  recon_stride,
+                                  unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 8, 4,
+                  &var, &avg, vp9_get4x4var_mmx, 4);
+  *sse = var;
+  return (var - (((unsigned int)avg * avg) >> 5));
+}
+
+unsigned int vp9_variance4x8_sse2(const uint8_t *src_ptr,
+                                  int  source_stride,
+                                  const uint8_t *ref_ptr,
+                                  int  recon_stride,
+                                  unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 4, 8,
+                  &var, &avg, vp9_get4x4var_mmx, 4);
+  *sse = var;
+  return (var - (((unsigned int)avg * avg) >> 5));
+}
+
+unsigned int vp9_variance8x8_sse2
+(
+  const unsigned char *src_ptr,
+  int  source_stride,
+  const unsigned char *ref_ptr,
+  int  recon_stride,
+  unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 8, 8,
+                  &var, &avg, vp9_get8x8var_sse2, 8);
+  *sse = var;
+  return (var - (((unsigned int)avg * avg) >> 6));
+}
+
+unsigned int vp9_variance16x8_sse2
+(
+  const unsigned char *src_ptr,
+  int  source_stride,
+  const unsigned char *ref_ptr,
+  int  recon_stride,
+  unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 16, 8,
+                  &var, &avg, vp9_get8x8var_sse2, 8);
+  *sse = var;
+  return (var - (((unsigned int)avg * avg) >> 7));
+}
+
+unsigned int vp9_variance8x16_sse2
+(
+  const unsigned char *src_ptr,
+  int  source_stride,
+  const unsigned char *ref_ptr,
+  int  recon_stride,
+  unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 8, 16,
+                &var, &avg, vp9_get8x8var_sse2, 8);
+  *sse = var;
+  return (var - (((unsigned int)avg * avg) >> 7));
+}
+
+unsigned int vp9_variance16x16_sse2
+(
+  const unsigned char *src_ptr,
+  int  source_stride,
+  const unsigned char *ref_ptr,
+  int  recon_stride,
+  unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 16, 16,
+                &var, &avg, vp9_get16x16var_sse2, 16);
+  *sse = var;
+  return (var - (((unsigned int)avg * avg) >> 8));
+}
+
+unsigned int vp9_mse16x16_wmt(
+  const unsigned char *src_ptr,
+  int  source_stride,
+  const unsigned char *ref_ptr,
+  int  recon_stride,
+  unsigned int *sse) {
+
+  unsigned int sse0;
+  int sum0;
+  vp9_get16x16var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0,
+                       &sum0);
+  *sse = sse0;
+  return sse0;
+}
+
+unsigned int vp9_variance32x32_sse2(const uint8_t *src_ptr,
+                                    int  source_stride,
+                                    const uint8_t *ref_ptr,
+                                    int  recon_stride,
+                                    unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 32, 32,
+                &var, &avg, vp9_get16x16var_sse2, 16);
+  *sse = var;
+  return (var - (((int64_t)avg * avg) >> 10));
+}
+
+unsigned int vp9_variance32x16_sse2(const uint8_t *src_ptr,
+                                    int  source_stride,
+                                    const uint8_t *ref_ptr,
+                                    int  recon_stride,
+                                    unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 32, 16,
+                &var, &avg, vp9_get16x16var_sse2, 16);
+  *sse = var;
+  return (var - (((int64_t)avg * avg) >> 9));
+}
+
+unsigned int vp9_variance16x32_sse2(const uint8_t *src_ptr,
+                                    int  source_stride,
+                                    const uint8_t *ref_ptr,
+                                    int  recon_stride,
+                                    unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 16, 32,
+                &var, &avg, vp9_get16x16var_sse2, 16);
+  *sse = var;
+  return (var - (((int64_t)avg * avg) >> 9));
+}
+
+unsigned int vp9_variance64x64_sse2(const uint8_t *src_ptr,
+                                    int  source_stride,
+                                    const uint8_t *ref_ptr,
+                                    int  recon_stride,
+                                    unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 64, 64,
+                &var, &avg, vp9_get16x16var_sse2, 16);
+  *sse = var;
+  return (var - (((int64_t)avg * avg) >> 12));
+}
+
+unsigned int vp9_variance64x32_sse2(const uint8_t *src_ptr,
+                                    int  source_stride,
+                                    const uint8_t *ref_ptr,
+                                    int  recon_stride,
+                                    unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 64, 32,
+                &var, &avg, vp9_get16x16var_sse2, 16);
+  *sse = var;
+  return (var - (((int64_t)avg * avg) >> 11));
+}
+
+unsigned int vp9_variance32x64_sse2(const uint8_t *src_ptr,
+                                    int  source_stride,
+                                    const uint8_t *ref_ptr,
+                                    int  recon_stride,
+                                    unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 32, 64,
+                &var, &avg, vp9_get16x16var_sse2, 16);
+  *sse = var;
+  return (var - (((int64_t)avg * avg) >> 11));
+}
+
+unsigned int vp9_sub_pixel_variance4x4_wmt
+(
+  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_wmt
+(
+  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;
+
+  if (xoffset == HALFNDX && yoffset == 0) {
+    vp9_half_horiz_variance8x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      &xsum, &xxsum);
+  } else if (xoffset == 0 && yoffset == HALFNDX) {
+    vp9_half_vert_variance8x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      &xsum, &xxsum);
+  } else if (xoffset == HALFNDX && yoffset == HALFNDX) {
+    vp9_half_horiz_vert_variance8x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      &xsum, &xxsum);
+  } else {
+    vp9_filter_block2d_bil_var_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      xoffset, yoffset,
+      &xsum, &xxsum);
+  }
+
+  *sse = xxsum;
+  return (xxsum - (((unsigned int)xsum * xsum) >> 6));
+}
+
+static void sub_pixel_variance16x16_sse2(const uint8_t *src_ptr,
+                                         int src_pixels_per_line,
+                                         int xoffset,
+                                         int yoffset,
+                                         const uint8_t *dst_ptr,
+                                         int dst_pixels_per_line,
+                                         unsigned int *sse, int *avg) {
+  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 == HALFNDX && yoffset == 0) {
+    vp9_half_horiz_variance16x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      &xsum0, &xxsum0);
+  } else if (xoffset == 0 && yoffset == HALFNDX) {
+    vp9_half_vert_variance16x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      &xsum0, &xxsum0);
+  } else if (xoffset == HALFNDX && yoffset == HALFNDX) {
+    vp9_half_horiz_vert_variance16x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      &xsum0, &xxsum0);
+  } else {
+    vp9_filter_block2d_bil_var_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      xoffset, yoffset,
+      &xsum0, &xxsum0
+    );
+
+    vp9_filter_block2d_bil_var_sse2(
+      src_ptr + 8, src_pixels_per_line,
+      dst_ptr + 8, dst_pixels_per_line, 16,
+      xoffset, yoffset,
+      &xsum1, &xxsum1
+    );
+    xsum0 += xsum1;
+    xxsum0 += xxsum1;
+  }
+
+  *sse = xxsum0;
+  *avg = xsum0;
+}
+
+unsigned int vp9_sub_pixel_variance16x16_sse2(const uint8_t *src_ptr,
+                                              int src_pixels_per_line,
+                                              int xoffset,
+                                              int yoffset,
+                                              const uint8_t *dst_ptr,
+                                              int dst_pixels_per_line,
+                                              unsigned int *sse_ptr) {
+  int avg;
+  unsigned int sse;
+
+  sub_pixel_variance16x16_sse2(src_ptr, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr, dst_pixels_per_line,
+                               &sse, &avg);
+  *sse_ptr = sse;
+
+  return (sse - (((unsigned int) avg * avg) >> 8));
+}
+
+unsigned int vp9_sub_pixel_variance32x32_sse2(const uint8_t *src_ptr,
+                                              int src_pixels_per_line,
+                                              int xoffset,
+                                              int yoffset,
+                                              const uint8_t *dst_ptr,
+                                              int dst_pixels_per_line,
+                                              unsigned int *sse_ptr) {
+  int avg0, avg1, avg2, avg3;
+  unsigned int sse0, sse1, sse2, sse3;
+
+  sub_pixel_variance16x16_sse2(src_ptr, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr, dst_pixels_per_line,
+                               &sse0, &avg0);
+  sub_pixel_variance16x16_sse2(src_ptr + 16, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr + 16, dst_pixels_per_line,
+                               &sse1, &avg1);
+  src_ptr += 16 * src_pixels_per_line;
+  dst_ptr += 16 * dst_pixels_per_line;
+  sub_pixel_variance16x16_sse2(src_ptr, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr, dst_pixels_per_line,
+                               &sse2, &avg2);
+  sub_pixel_variance16x16_sse2(src_ptr + 16, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr + 16, dst_pixels_per_line,
+                               &sse3, &avg3);
+  sse0 += sse1 + sse2 + sse3;
+  avg0 += avg1 + avg2 + avg3;
+  *sse_ptr = sse0;
+
+  return (sse0 - (((unsigned int) avg0 * avg0) >> 10));
+}
+
+unsigned int vp9_sub_pixel_variance64x64_sse2(const uint8_t *src_ptr,
+                                              int src_pixels_per_line,
+                                              int xoffset,
+                                              int yoffset,
+                                              const uint8_t *dst_ptr,
+                                              int dst_pixels_per_line,
+                                              unsigned int *sse_ptr) {
+  int avg0, avg1, avg2, avg3, avg4;
+  unsigned int sse0, sse1, sse2, sse3, sse4;
+
+  sub_pixel_variance16x16_sse2(src_ptr, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr, dst_pixels_per_line,
+                               &sse0, &avg0);
+  sub_pixel_variance16x16_sse2(src_ptr + 16, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr + 16, dst_pixels_per_line,
+                               &sse1, &avg1);
+  sub_pixel_variance16x16_sse2(src_ptr + 32, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr + 32, dst_pixels_per_line,
+                               &sse2, &avg2);
+  sub_pixel_variance16x16_sse2(src_ptr + 48, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr + 48, dst_pixels_per_line,
+                               &sse3, &avg3);
+  src_ptr += 16 * src_pixels_per_line;
+  dst_ptr += 16 * dst_pixels_per_line;
+  avg0 += avg1 + avg2 + avg3;
+  sse0 += sse1 + sse2 + sse3;
+  sub_pixel_variance16x16_sse2(src_ptr, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr, dst_pixels_per_line,
+                               &sse1, &avg1);
+  sub_pixel_variance16x16_sse2(src_ptr + 16, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr + 16, dst_pixels_per_line,
+                               &sse2, &avg2);
+  sub_pixel_variance16x16_sse2(src_ptr + 32, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr + 32, dst_pixels_per_line,
+                               &sse3, &avg3);
+  sub_pixel_variance16x16_sse2(src_ptr + 48, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr + 48, dst_pixels_per_line,
+                               &sse4, &avg4);
+  src_ptr += 16 * src_pixels_per_line;
+  dst_ptr += 16 * dst_pixels_per_line;
+  avg0 += avg1 + avg2 + avg3 + avg4;
+  sse0 += sse1 + sse2 + sse3 + sse4;
+  sub_pixel_variance16x16_sse2(src_ptr, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr, dst_pixels_per_line,
+                               &sse1, &avg1);
+  sub_pixel_variance16x16_sse2(src_ptr + 16, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr + 16, dst_pixels_per_line,
+                               &sse2, &avg2);
+  sub_pixel_variance16x16_sse2(src_ptr + 32, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr + 32, dst_pixels_per_line,
+                               &sse3, &avg3);
+  sub_pixel_variance16x16_sse2(src_ptr + 48, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr + 48, dst_pixels_per_line,
+                               &sse4, &avg4);
+  src_ptr += 16 * src_pixels_per_line;
+  dst_ptr += 16 * dst_pixels_per_line;
+  avg0 += avg1 + avg2 + avg3 + avg4;
+  sse0 += sse1 + sse2 + sse3 + sse4;
+  sub_pixel_variance16x16_sse2(src_ptr, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr, dst_pixels_per_line,
+                               &sse1, &avg1);
+  sub_pixel_variance16x16_sse2(src_ptr + 16, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr + 16, dst_pixels_per_line,
+                               &sse2, &avg2);
+  sub_pixel_variance16x16_sse2(src_ptr + 32, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr + 32, dst_pixels_per_line,
+                               &sse3, &avg3);
+  sub_pixel_variance16x16_sse2(src_ptr + 48, src_pixels_per_line, xoffset,
+                               yoffset, dst_ptr + 48, dst_pixels_per_line,
+                               &sse4, &avg4);
+  avg0 += avg1 + avg2 + avg3 + avg4;
+  sse0 += sse1 + sse2 + sse3 + sse4;
+  *sse_ptr = sse0;
+
+  return (sse0 - (((unsigned int) avg0 * avg0) >> 12));
+}
+
+unsigned int vp9_sub_pixel_mse16x16_sse2(
+  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_sse2(src_ptr, src_pixels_per_line, xoffset,
+                                   yoffset, dst_ptr, dst_pixels_per_line, sse);
+  return *sse;
+}
+
+unsigned int vp9_sub_pixel_variance16x8_wmt
+(
+  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;
+
+  if (xoffset == HALFNDX && yoffset == 0) {
+    vp9_half_horiz_variance16x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      &xsum0, &xxsum0);
+  } else if (xoffset == 0 && yoffset == HALFNDX) {
+    vp9_half_vert_variance16x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      &xsum0, &xxsum0);
+  } else if (xoffset == HALFNDX && yoffset == HALFNDX) {
+    vp9_half_horiz_vert_variance16x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      &xsum0, &xxsum0);
+  } else {
+    vp9_filter_block2d_bil_var_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      xoffset, yoffset,
+      &xsum0, &xxsum0);
+
+    vp9_filter_block2d_bil_var_sse2(
+      src_ptr + 8, src_pixels_per_line,
+      dst_ptr + 8, dst_pixels_per_line, 8,
+      xoffset, yoffset,
+      &xsum1, &xxsum1);
+    xsum0 += xsum1;
+    xxsum0 += xxsum1;
+  }
+
+  *sse = xxsum0;
+  return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 7));
+}
+
+unsigned int vp9_sub_pixel_variance8x16_wmt
+(
+  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;
+
+  if (xoffset == HALFNDX && yoffset == 0) {
+    vp9_half_horiz_variance8x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      &xsum, &xxsum);
+  } else if (xoffset == 0 && yoffset == HALFNDX) {
+    vp9_half_vert_variance8x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      &xsum, &xxsum);
+  } else if (xoffset == HALFNDX && yoffset == HALFNDX) {
+    vp9_half_horiz_vert_variance8x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      &xsum, &xxsum);
+  } else {
+    vp9_filter_block2d_bil_var_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      xoffset, yoffset,
+      &xsum, &xxsum);
+  }
+
+  *sse = xxsum;
+  return (xxsum - (((unsigned int)xsum * xsum) >> 7));
+}
+
+
+unsigned int vp9_variance_halfpixvar16x16_h_wmt(
+  const unsigned char *src_ptr,
+  int  src_pixels_per_line,
+  const unsigned char *dst_ptr,
+  int  dst_pixels_per_line,
+  unsigned int *sse) {
+  int xsum0;
+  unsigned int xxsum0;
+
+  vp9_half_horiz_variance16x_h_sse2(
+    src_ptr, src_pixels_per_line,
+    dst_ptr, dst_pixels_per_line, 16,
+    &xsum0, &xxsum0);
+
+  *sse = xxsum0;
+  return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8));
+}
+
+
+unsigned int vp9_variance_halfpixvar16x16_v_wmt(
+  const unsigned char *src_ptr,
+  int  src_pixels_per_line,
+  const unsigned char *dst_ptr,
+  int  dst_pixels_per_line,
+  unsigned int *sse) {
+  int xsum0;
+  unsigned int xxsum0;
+  vp9_half_vert_variance16x_h_sse2(
+    src_ptr, src_pixels_per_line,
+    dst_ptr, dst_pixels_per_line, 16,
+    &xsum0, &xxsum0);
+
+  *sse = xxsum0;
+  return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8));
+}
+
+
+unsigned int vp9_variance_halfpixvar16x16_hv_wmt(
+  const unsigned char *src_ptr,
+  int  src_pixels_per_line,
+  const unsigned char *dst_ptr,
+  int  dst_pixels_per_line,
+  unsigned int *sse) {
+  int xsum0;
+  unsigned int xxsum0;
+
+  vp9_half_horiz_vert_variance16x_h_sse2(
+    src_ptr, src_pixels_per_line,
+    dst_ptr, dst_pixels_per_line, 16,
+    &xsum0, &xxsum0);
+
+  *sse = xxsum0;
+  return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8));
+}