diff --git a/aom_dsp/variance.c b/aom_dsp/variance.c
new file mode 100644
index 0000000..5df2aa5
--- /dev/null
+++ b/aom_dsp/variance.c
@@ -0,0 +1,1218 @@
+/*
+ *  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 <stdlib.h>
+
+#include "./vpx_config.h"
+#include "./vpx_dsp_rtcd.h"
+
+#include "aom_ports/mem.h"
+#include "aom/vpx_integer.h"
+
+#include "aom_dsp/variance.h"
+#include "aom_dsp/vpx_filter.h"
+
+uint32_t vpx_get4x4sse_cs_c(const uint8_t *a, int a_stride, const uint8_t *b,
+                            int b_stride) {
+  int distortion = 0;
+  int r, c;
+
+  for (r = 0; r < 4; ++r) {
+    for (c = 0; c < 4; ++c) {
+      int diff = a[c] - b[c];
+      distortion += diff * diff;
+    }
+
+    a += a_stride;
+    b += b_stride;
+  }
+
+  return distortion;
+}
+
+uint32_t vpx_get_mb_ss_c(const int16_t *a) {
+  unsigned int i, sum = 0;
+
+  for (i = 0; i < 256; ++i) {
+    sum += a[i] * a[i];
+  }
+
+  return sum;
+}
+
+uint32_t vpx_variance_halfpixvar16x16_h_c(const uint8_t *a, int a_stride,
+                                          const uint8_t *b, int b_stride,
+                                          uint32_t *sse) {
+  return vpx_sub_pixel_variance16x16_c(a, a_stride, 4, 0, b, b_stride, sse);
+}
+
+uint32_t vpx_variance_halfpixvar16x16_v_c(const uint8_t *a, int a_stride,
+                                          const uint8_t *b, int b_stride,
+                                          uint32_t *sse) {
+  return vpx_sub_pixel_variance16x16_c(a, a_stride, 0, 4, b, b_stride, sse);
+}
+
+uint32_t vpx_variance_halfpixvar16x16_hv_c(const uint8_t *a, int a_stride,
+                                           const uint8_t *b, int b_stride,
+                                           uint32_t *sse) {
+  return vpx_sub_pixel_variance16x16_c(a, a_stride, 4, 4, b, b_stride, sse);
+}
+
+static void variance(const uint8_t *a, int a_stride, const uint8_t *b,
+                     int b_stride, int w, int h, uint32_t *sse, int *sum) {
+  int i, j;
+
+  *sum = 0;
+  *sse = 0;
+
+  for (i = 0; i < h; ++i) {
+    for (j = 0; j < w; ++j) {
+      const int diff = a[j] - b[j];
+      *sum += diff;
+      *sse += diff * diff;
+    }
+
+    a += a_stride;
+    b += b_stride;
+  }
+}
+
+// Applies a 1-D 2-tap bilinear filter to the source block in either horizontal
+// or vertical direction to produce the filtered output block. Used to implement
+// the first-pass of 2-D separable filter.
+//
+// Produces int16_t output to retain precision for the next pass. Two filter
+// taps should sum to FILTER_WEIGHT. pixel_step defines whether the filter is
+// applied horizontally (pixel_step = 1) or vertically (pixel_step = stride).
+// It defines the offset required to move from one input to the next.
+static void var_filter_block2d_bil_first_pass(const uint8_t *a, uint16_t *b,
+                                              unsigned int src_pixels_per_line,
+                                              int pixel_step,
+                                              unsigned int output_height,
+                                              unsigned int output_width,
+                                              const uint8_t *filter) {
+  unsigned int i, j;
+
+  for (i = 0; i < output_height; ++i) {
+    for (j = 0; j < output_width; ++j) {
+      b[j] = ROUND_POWER_OF_TWO(
+          (int)a[0] * filter[0] + (int)a[pixel_step] * filter[1], FILTER_BITS);
+
+      ++a;
+    }
+
+    a += src_pixels_per_line - output_width;
+    b += output_width;
+  }
+}
+
+// Applies a 1-D 2-tap bilinear filter to the source block in either horizontal
+// or vertical direction to produce the filtered output block. Used to implement
+// the second-pass of 2-D separable filter.
+//
+// Requires 16-bit input as produced by filter_block2d_bil_first_pass. Two
+// filter taps should sum to FILTER_WEIGHT. pixel_step defines whether the
+// filter is applied horizontally (pixel_step = 1) or vertically
+// (pixel_step = stride). It defines the offset required to move from one input
+// to the next. Output is 8-bit.
+static void var_filter_block2d_bil_second_pass(const uint16_t *a, uint8_t *b,
+                                               unsigned int src_pixels_per_line,
+                                               unsigned int pixel_step,
+                                               unsigned int output_height,
+                                               unsigned int output_width,
+                                               const uint8_t *filter) {
+  unsigned int i, j;
+
+  for (i = 0; i < output_height; ++i) {
+    for (j = 0; j < output_width; ++j) {
+      b[j] = ROUND_POWER_OF_TWO(
+          (int)a[0] * filter[0] + (int)a[pixel_step] * filter[1], FILTER_BITS);
+      ++a;
+    }
+
+    a += src_pixels_per_line - output_width;
+    b += output_width;
+  }
+}
+
+#define VAR(W, H)                                                    \
+  uint32_t vpx_variance##W##x##H##_c(const uint8_t *a, int a_stride, \
+                                     const uint8_t *b, int b_stride, \
+                                     uint32_t *sse) {                \
+    int sum;                                                         \
+    variance(a, a_stride, b, b_stride, W, H, sse, &sum);             \
+    return *sse - (((int64_t)sum * sum) / (W * H));                  \
+  }
+
+#define SUBPIX_VAR(W, H)                                                \
+  uint32_t vpx_sub_pixel_variance##W##x##H##_c(                         \
+      const uint8_t *a, int a_stride, int xoffset, int yoffset,         \
+      const uint8_t *b, int b_stride, uint32_t *sse) {                  \
+    uint16_t fdata3[(H + 1) * W];                                       \
+    uint8_t temp2[H * W];                                               \
+                                                                        \
+    var_filter_block2d_bil_first_pass(a, fdata3, a_stride, 1, H + 1, W, \
+                                      bilinear_filters_2t[xoffset]);    \
+    var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W,       \
+                                       bilinear_filters_2t[yoffset]);   \
+                                                                        \
+    return vpx_variance##W##x##H##_c(temp2, W, b, b_stride, sse);       \
+  }
+
+#define SUBPIX_AVG_VAR(W, H)                                            \
+  uint32_t vpx_sub_pixel_avg_variance##W##x##H##_c(                     \
+      const uint8_t *a, int a_stride, int xoffset, int yoffset,         \
+      const uint8_t *b, int b_stride, uint32_t *sse,                    \
+      const uint8_t *second_pred) {                                     \
+    uint16_t fdata3[(H + 1) * W];                                       \
+    uint8_t temp2[H * W];                                               \
+    DECLARE_ALIGNED(16, uint8_t, temp3[H * W]);                         \
+                                                                        \
+    var_filter_block2d_bil_first_pass(a, fdata3, a_stride, 1, H + 1, W, \
+                                      bilinear_filters_2t[xoffset]);    \
+    var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W,       \
+                                       bilinear_filters_2t[yoffset]);   \
+                                                                        \
+    vpx_comp_avg_pred(temp3, second_pred, W, H, temp2, W);              \
+                                                                        \
+    return vpx_variance##W##x##H##_c(temp3, W, b, b_stride, sse);       \
+  }
+
+/* Identical to the variance call except it takes an additional parameter, sum,
+ * and returns that value using pass-by-reference instead of returning
+ * sse - sum^2 / w*h
+ */
+#define GET_VAR(W, H)                                                         \
+  void vpx_get##W##x##H##var_c(const uint8_t *a, int a_stride,                \
+                               const uint8_t *b, int b_stride, uint32_t *sse, \
+                               int *sum) {                                    \
+    variance(a, a_stride, b, b_stride, W, H, sse, sum);                       \
+  }
+
+/* Identical to the variance call except it does not calculate the
+ * sse - sum^2 / w*h and returns sse in addtion to modifying the passed in
+ * variable.
+ */
+#define MSE(W, H)                                               \
+  uint32_t vpx_mse##W##x##H##_c(const uint8_t *a, int a_stride, \
+                                const uint8_t *b, int b_stride, \
+                                uint32_t *sse) {                \
+    int sum;                                                    \
+    variance(a, a_stride, b, b_stride, W, H, sse, &sum);        \
+    return *sse;                                                \
+  }
+
+/* All three forms of the variance are available in the same sizes. */
+#define VARIANCES(W, H) \
+  VAR(W, H)             \
+  SUBPIX_VAR(W, H)      \
+  SUBPIX_AVG_VAR(W, H)
+
+#if CONFIG_VP10 && CONFIG_EXT_PARTITION
+VARIANCES(128, 128)
+VARIANCES(128, 64)
+VARIANCES(64, 128)
+#endif  // CONFIG_VP10 && CONFIG_EXT_PARTITION
+VARIANCES(64, 64)
+VARIANCES(64, 32)
+VARIANCES(32, 64)
+VARIANCES(32, 32)
+VARIANCES(32, 16)
+VARIANCES(16, 32)
+VARIANCES(16, 16)
+VARIANCES(16, 8)
+VARIANCES(8, 16)
+VARIANCES(8, 8)
+VARIANCES(8, 4)
+VARIANCES(4, 8)
+VARIANCES(4, 4)
+
+GET_VAR(16, 16)
+GET_VAR(8, 8)
+
+MSE(16, 16)
+MSE(16, 8)
+MSE(8, 16)
+MSE(8, 8)
+
+void vpx_comp_avg_pred_c(uint8_t *comp_pred, const uint8_t *pred, int width,
+                         int height, const uint8_t *ref, int ref_stride) {
+  int i, j;
+
+  for (i = 0; i < height; ++i) {
+    for (j = 0; j < width; ++j) {
+      const int tmp = pred[j] + ref[j];
+      comp_pred[j] = ROUND_POWER_OF_TWO(tmp, 1);
+    }
+    comp_pred += width;
+    pred += width;
+    ref += ref_stride;
+  }
+}
+
+// Get pred block from up-sampled reference.
+void vpx_upsampled_pred_c(uint8_t *comp_pred, int width, int height,
+                          const uint8_t *ref, int ref_stride) {
+  int i, j, k;
+  int stride = ref_stride << 3;
+
+  for (i = 0; i < height; i++) {
+    for (j = 0, k = 0; j < width; j++, k += 8) {
+      comp_pred[j] = ref[k];
+    }
+    comp_pred += width;
+    ref += stride;
+  }
+}
+
+void vpx_comp_avg_upsampled_pred_c(uint8_t *comp_pred, const uint8_t *pred,
+                                   int width, int height, const uint8_t *ref,
+                                   int ref_stride) {
+  int i, j;
+  int stride = ref_stride << 3;
+
+  for (i = 0; i < height; i++) {
+    for (j = 0; j < width; j++) {
+      const int tmp = ref[(j << 3)] + pred[j];
+      comp_pred[j] = ROUND_POWER_OF_TWO(tmp, 1);
+    }
+    comp_pred += width;
+    pred += width;
+    ref += stride;
+  }
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+static void highbd_variance64(const uint8_t *a8, int a_stride,
+                              const uint8_t *b8, int b_stride, int w, int h,
+                              uint64_t *sse, int64_t *sum) {
+  int i, j;
+
+  uint16_t *a = CONVERT_TO_SHORTPTR(a8);
+  uint16_t *b = CONVERT_TO_SHORTPTR(b8);
+  *sum = 0;
+  *sse = 0;
+
+  for (i = 0; i < h; ++i) {
+    for (j = 0; j < w; ++j) {
+      const int diff = a[j] - b[j];
+      *sum += diff;
+      *sse += diff * diff;
+    }
+    a += a_stride;
+    b += b_stride;
+  }
+}
+
+static void highbd_8_variance(const uint8_t *a8, int a_stride,
+                              const uint8_t *b8, int b_stride, int w, int h,
+                              uint32_t *sse, int *sum) {
+  uint64_t sse_long = 0;
+  int64_t sum_long = 0;
+  highbd_variance64(a8, a_stride, b8, b_stride, w, h, &sse_long, &sum_long);
+  *sse = (uint32_t)sse_long;
+  *sum = (int)sum_long;
+}
+
+static void highbd_10_variance(const uint8_t *a8, int a_stride,
+                               const uint8_t *b8, int b_stride, int w, int h,
+                               uint32_t *sse, int *sum) {
+  uint64_t sse_long = 0;
+  int64_t sum_long = 0;
+  highbd_variance64(a8, a_stride, b8, b_stride, w, h, &sse_long, &sum_long);
+  *sse = (uint32_t)ROUND_POWER_OF_TWO(sse_long, 4);
+  *sum = (int)ROUND_POWER_OF_TWO(sum_long, 2);
+}
+
+static void highbd_12_variance(const uint8_t *a8, int a_stride,
+                               const uint8_t *b8, int b_stride, int w, int h,
+                               uint32_t *sse, int *sum) {
+  uint64_t sse_long = 0;
+  int64_t sum_long = 0;
+  highbd_variance64(a8, a_stride, b8, b_stride, w, h, &sse_long, &sum_long);
+  *sse = (uint32_t)ROUND_POWER_OF_TWO(sse_long, 8);
+  *sum = (int)ROUND_POWER_OF_TWO(sum_long, 4);
+}
+
+#define HIGHBD_VAR(W, H)                                                       \
+  uint32_t vpx_highbd_8_variance##W##x##H##_c(const uint8_t *a, int a_stride,  \
+                                              const uint8_t *b, int b_stride,  \
+                                              uint32_t *sse) {                 \
+    int sum;                                                                   \
+    highbd_8_variance(a, a_stride, b, b_stride, W, H, sse, &sum);              \
+    return *sse - (((int64_t)sum * sum) / (W * H));                            \
+  }                                                                            \
+                                                                               \
+  uint32_t vpx_highbd_10_variance##W##x##H##_c(const uint8_t *a, int a_stride, \
+                                               const uint8_t *b, int b_stride, \
+                                               uint32_t *sse) {                \
+    int sum;                                                                   \
+    int64_t var;                                                               \
+    highbd_10_variance(a, a_stride, b, b_stride, W, H, sse, &sum);             \
+    var = (int64_t)(*sse) - (((int64_t)sum * sum) / (W * H));                  \
+    return (var >= 0) ? (uint32_t)var : 0;                                     \
+  }                                                                            \
+                                                                               \
+  uint32_t vpx_highbd_12_variance##W##x##H##_c(const uint8_t *a, int a_stride, \
+                                               const uint8_t *b, int b_stride, \
+                                               uint32_t *sse) {                \
+    int sum;                                                                   \
+    int64_t var;                                                               \
+    highbd_12_variance(a, a_stride, b, b_stride, W, H, sse, &sum);             \
+    var = (int64_t)(*sse) - (((int64_t)sum * sum) / (W * H));                  \
+    return (var >= 0) ? (uint32_t)var : 0;                                     \
+  }
+
+#define HIGHBD_GET_VAR(S)                                                    \
+  void vpx_highbd_8_get##S##x##S##var_c(const uint8_t *src, int src_stride,  \
+                                        const uint8_t *ref, int ref_stride,  \
+                                        uint32_t *sse, int *sum) {           \
+    highbd_8_variance(src, src_stride, ref, ref_stride, S, S, sse, sum);     \
+  }                                                                          \
+                                                                             \
+  void vpx_highbd_10_get##S##x##S##var_c(const uint8_t *src, int src_stride, \
+                                         const uint8_t *ref, int ref_stride, \
+                                         uint32_t *sse, int *sum) {          \
+    highbd_10_variance(src, src_stride, ref, ref_stride, S, S, sse, sum);    \
+  }                                                                          \
+                                                                             \
+  void vpx_highbd_12_get##S##x##S##var_c(const uint8_t *src, int src_stride, \
+                                         const uint8_t *ref, int ref_stride, \
+                                         uint32_t *sse, int *sum) {          \
+    highbd_12_variance(src, src_stride, ref, ref_stride, S, S, sse, sum);    \
+  }
+
+#define HIGHBD_MSE(W, H)                                                      \
+  uint32_t vpx_highbd_8_mse##W##x##H##_c(const uint8_t *src, int src_stride,  \
+                                         const uint8_t *ref, int ref_stride,  \
+                                         uint32_t *sse) {                     \
+    int sum;                                                                  \
+    highbd_8_variance(src, src_stride, ref, ref_stride, W, H, sse, &sum);     \
+    return *sse;                                                              \
+  }                                                                           \
+                                                                              \
+  uint32_t vpx_highbd_10_mse##W##x##H##_c(const uint8_t *src, int src_stride, \
+                                          const uint8_t *ref, int ref_stride, \
+                                          uint32_t *sse) {                    \
+    int sum;                                                                  \
+    highbd_10_variance(src, src_stride, ref, ref_stride, W, H, sse, &sum);    \
+    return *sse;                                                              \
+  }                                                                           \
+                                                                              \
+  uint32_t vpx_highbd_12_mse##W##x##H##_c(const uint8_t *src, int src_stride, \
+                                          const uint8_t *ref, int ref_stride, \
+                                          uint32_t *sse) {                    \
+    int sum;                                                                  \
+    highbd_12_variance(src, src_stride, ref, ref_stride, W, H, sse, &sum);    \
+    return *sse;                                                              \
+  }
+
+void vpx_highbd_var_filter_block2d_bil_first_pass(
+    const uint8_t *src_ptr8, uint16_t *output_ptr,
+    unsigned int src_pixels_per_line, int pixel_step,
+    unsigned int output_height, unsigned int output_width,
+    const uint8_t *filter) {
+  unsigned int i, j;
+  uint16_t *src_ptr = CONVERT_TO_SHORTPTR(src_ptr8);
+  for (i = 0; i < output_height; ++i) {
+    for (j = 0; j < output_width; ++j) {
+      output_ptr[j] = ROUND_POWER_OF_TWO(
+          (int)src_ptr[0] * filter[0] + (int)src_ptr[pixel_step] * filter[1],
+          FILTER_BITS);
+
+      ++src_ptr;
+    }
+
+    // Next row...
+    src_ptr += src_pixels_per_line - output_width;
+    output_ptr += output_width;
+  }
+}
+
+void vpx_highbd_var_filter_block2d_bil_second_pass(
+    const uint16_t *src_ptr, uint16_t *output_ptr,
+    unsigned int src_pixels_per_line, unsigned int pixel_step,
+    unsigned int output_height, unsigned int output_width,
+    const uint8_t *filter) {
+  unsigned int i, j;
+
+  for (i = 0; i < output_height; ++i) {
+    for (j = 0; j < output_width; ++j) {
+      output_ptr[j] = ROUND_POWER_OF_TWO(
+          (int)src_ptr[0] * filter[0] + (int)src_ptr[pixel_step] * filter[1],
+          FILTER_BITS);
+      ++src_ptr;
+    }
+
+    src_ptr += src_pixels_per_line - output_width;
+    output_ptr += output_width;
+  }
+}
+
+#define HIGHBD_SUBPIX_VAR(W, H)                                              \
+  uint32_t vpx_highbd_8_sub_pixel_variance##W##x##H##_c(                     \
+      const uint8_t *src, int src_stride, int xoffset, int yoffset,          \
+      const uint8_t *dst, int dst_stride, uint32_t *sse) {                   \
+    uint16_t fdata3[(H + 1) * W];                                            \
+    uint16_t temp2[H * W];                                                   \
+                                                                             \
+    vpx_highbd_var_filter_block2d_bil_first_pass(                            \
+        src, fdata3, src_stride, 1, H + 1, W, bilinear_filters_2t[xoffset]); \
+    vpx_highbd_var_filter_block2d_bil_second_pass(                           \
+        fdata3, temp2, W, W, H, W, bilinear_filters_2t[yoffset]);            \
+                                                                             \
+    return vpx_highbd_8_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp2), W,  \
+                                              dst, dst_stride, sse);         \
+  }                                                                          \
+                                                                             \
+  uint32_t vpx_highbd_10_sub_pixel_variance##W##x##H##_c(                    \
+      const uint8_t *src, int src_stride, int xoffset, int yoffset,          \
+      const uint8_t *dst, int dst_stride, uint32_t *sse) {                   \
+    uint16_t fdata3[(H + 1) * W];                                            \
+    uint16_t temp2[H * W];                                                   \
+                                                                             \
+    vpx_highbd_var_filter_block2d_bil_first_pass(                            \
+        src, fdata3, src_stride, 1, H + 1, W, bilinear_filters_2t[xoffset]); \
+    vpx_highbd_var_filter_block2d_bil_second_pass(                           \
+        fdata3, temp2, W, W, H, W, bilinear_filters_2t[yoffset]);            \
+                                                                             \
+    return vpx_highbd_10_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp2), W, \
+                                               dst, dst_stride, sse);        \
+  }                                                                          \
+                                                                             \
+  uint32_t vpx_highbd_12_sub_pixel_variance##W##x##H##_c(                    \
+      const uint8_t *src, int src_stride, int xoffset, int yoffset,          \
+      const uint8_t *dst, int dst_stride, uint32_t *sse) {                   \
+    uint16_t fdata3[(H + 1) * W];                                            \
+    uint16_t temp2[H * W];                                                   \
+                                                                             \
+    vpx_highbd_var_filter_block2d_bil_first_pass(                            \
+        src, fdata3, src_stride, 1, H + 1, W, bilinear_filters_2t[xoffset]); \
+    vpx_highbd_var_filter_block2d_bil_second_pass(                           \
+        fdata3, temp2, W, W, H, W, bilinear_filters_2t[yoffset]);            \
+                                                                             \
+    return vpx_highbd_12_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp2), W, \
+                                               dst, dst_stride, sse);        \
+  }
+
+#define HIGHBD_SUBPIX_AVG_VAR(W, H)                                          \
+  uint32_t vpx_highbd_8_sub_pixel_avg_variance##W##x##H##_c(                 \
+      const uint8_t *src, int src_stride, int xoffset, int yoffset,          \
+      const uint8_t *dst, int dst_stride, uint32_t *sse,                     \
+      const uint8_t *second_pred) {                                          \
+    uint16_t fdata3[(H + 1) * W];                                            \
+    uint16_t temp2[H * W];                                                   \
+    DECLARE_ALIGNED(16, uint16_t, temp3[H * W]);                             \
+                                                                             \
+    vpx_highbd_var_filter_block2d_bil_first_pass(                            \
+        src, fdata3, src_stride, 1, H + 1, W, bilinear_filters_2t[xoffset]); \
+    vpx_highbd_var_filter_block2d_bil_second_pass(                           \
+        fdata3, temp2, W, W, H, W, bilinear_filters_2t[yoffset]);            \
+                                                                             \
+    vpx_highbd_comp_avg_pred_c(temp3, second_pred, W, H,                     \
+                               CONVERT_TO_BYTEPTR(temp2), W);                \
+                                                                             \
+    return vpx_highbd_8_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp3), W,  \
+                                              dst, dst_stride, sse);         \
+  }                                                                          \
+                                                                             \
+  uint32_t vpx_highbd_10_sub_pixel_avg_variance##W##x##H##_c(                \
+      const uint8_t *src, int src_stride, int xoffset, int yoffset,          \
+      const uint8_t *dst, int dst_stride, uint32_t *sse,                     \
+      const uint8_t *second_pred) {                                          \
+    uint16_t fdata3[(H + 1) * W];                                            \
+    uint16_t temp2[H * W];                                                   \
+    DECLARE_ALIGNED(16, uint16_t, temp3[H * W]);                             \
+                                                                             \
+    vpx_highbd_var_filter_block2d_bil_first_pass(                            \
+        src, fdata3, src_stride, 1, H + 1, W, bilinear_filters_2t[xoffset]); \
+    vpx_highbd_var_filter_block2d_bil_second_pass(                           \
+        fdata3, temp2, W, W, H, W, bilinear_filters_2t[yoffset]);            \
+                                                                             \
+    vpx_highbd_comp_avg_pred_c(temp3, second_pred, W, H,                     \
+                               CONVERT_TO_BYTEPTR(temp2), W);                \
+                                                                             \
+    return vpx_highbd_10_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp3), W, \
+                                               dst, dst_stride, sse);        \
+  }                                                                          \
+                                                                             \
+  uint32_t vpx_highbd_12_sub_pixel_avg_variance##W##x##H##_c(                \
+      const uint8_t *src, int src_stride, int xoffset, int yoffset,          \
+      const uint8_t *dst, int dst_stride, uint32_t *sse,                     \
+      const uint8_t *second_pred) {                                          \
+    uint16_t fdata3[(H + 1) * W];                                            \
+    uint16_t temp2[H * W];                                                   \
+    DECLARE_ALIGNED(16, uint16_t, temp3[H * W]);                             \
+                                                                             \
+    vpx_highbd_var_filter_block2d_bil_first_pass(                            \
+        src, fdata3, src_stride, 1, H + 1, W, bilinear_filters_2t[xoffset]); \
+    vpx_highbd_var_filter_block2d_bil_second_pass(                           \
+        fdata3, temp2, W, W, H, W, bilinear_filters_2t[yoffset]);            \
+                                                                             \
+    vpx_highbd_comp_avg_pred_c(temp3, second_pred, W, H,                     \
+                               CONVERT_TO_BYTEPTR(temp2), W);                \
+                                                                             \
+    return vpx_highbd_12_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp3), W, \
+                                               dst, dst_stride, sse);        \
+  }
+
+/* All three forms of the variance are available in the same sizes. */
+#define HIGHBD_VARIANCES(W, H) \
+  HIGHBD_VAR(W, H)             \
+  HIGHBD_SUBPIX_VAR(W, H)      \
+  HIGHBD_SUBPIX_AVG_VAR(W, H)
+
+#if CONFIG_VP10 && CONFIG_EXT_PARTITION
+HIGHBD_VARIANCES(128, 128)
+HIGHBD_VARIANCES(128, 64)
+HIGHBD_VARIANCES(64, 128)
+#endif  // CONFIG_VP10 && CONFIG_EXT_PARTITION
+HIGHBD_VARIANCES(64, 64)
+HIGHBD_VARIANCES(64, 32)
+HIGHBD_VARIANCES(32, 64)
+HIGHBD_VARIANCES(32, 32)
+HIGHBD_VARIANCES(32, 16)
+HIGHBD_VARIANCES(16, 32)
+HIGHBD_VARIANCES(16, 16)
+HIGHBD_VARIANCES(16, 8)
+HIGHBD_VARIANCES(8, 16)
+HIGHBD_VARIANCES(8, 8)
+HIGHBD_VARIANCES(8, 4)
+HIGHBD_VARIANCES(4, 8)
+HIGHBD_VARIANCES(4, 4)
+
+HIGHBD_GET_VAR(8)
+HIGHBD_GET_VAR(16)
+
+HIGHBD_MSE(16, 16)
+HIGHBD_MSE(16, 8)
+HIGHBD_MSE(8, 16)
+HIGHBD_MSE(8, 8)
+
+void vpx_highbd_comp_avg_pred_c(uint16_t *comp_pred, const uint8_t *pred8,
+                                int width, int height, const uint8_t *ref8,
+                                int ref_stride) {
+  int i, j;
+  uint16_t *pred = CONVERT_TO_SHORTPTR(pred8);
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
+  for (i = 0; i < height; ++i) {
+    for (j = 0; j < width; ++j) {
+      const int tmp = pred[j] + ref[j];
+      comp_pred[j] = ROUND_POWER_OF_TWO(tmp, 1);
+    }
+    comp_pred += width;
+    pred += width;
+    ref += ref_stride;
+  }
+}
+
+void vpx_highbd_upsampled_pred_c(uint16_t *comp_pred, int width, int height,
+                                 const uint8_t *ref8, int ref_stride) {
+  int i, j;
+  int stride = ref_stride << 3;
+
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
+  for (i = 0; i < height; ++i) {
+    for (j = 0; j < width; ++j) {
+      comp_pred[j] = ref[(j << 3)];
+    }
+    comp_pred += width;
+    ref += stride;
+  }
+}
+
+void vpx_highbd_comp_avg_upsampled_pred_c(uint16_t *comp_pred,
+                                          const uint8_t *pred8, int width,
+                                          int height, const uint8_t *ref8,
+                                          int ref_stride) {
+  int i, j;
+  int stride = ref_stride << 3;
+
+  uint16_t *pred = CONVERT_TO_SHORTPTR(pred8);
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
+  for (i = 0; i < height; ++i) {
+    for (j = 0; j < width; ++j) {
+      const int tmp = pred[j] + ref[(j << 3)];
+      comp_pred[j] = ROUND_POWER_OF_TWO(tmp, 1);
+    }
+    comp_pred += width;
+    pred += width;
+    ref += stride;
+  }
+}
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+
+#if CONFIG_VP10 && CONFIG_EXT_INTER
+void masked_variance(const uint8_t *a, int a_stride, const uint8_t *b,
+                     int b_stride, const uint8_t *m, int m_stride, int w, int h,
+                     unsigned int *sse, int *sum) {
+  int i, j;
+
+  int64_t sum64 = 0;
+  uint64_t sse64 = 0;
+
+  for (i = 0; i < h; i++) {
+    for (j = 0; j < w; j++) {
+      const int diff = (a[j] - b[j]) * (m[j]);
+      sum64 += diff;
+      sse64 += diff * diff;
+    }
+
+    a += a_stride;
+    b += b_stride;
+    m += m_stride;
+  }
+  sum64 = (sum64 >= 0) ? sum64 : -sum64;
+  *sum = (int)ROUND_POWER_OF_TWO(sum64, 6);
+  *sse = (uint32_t)ROUND_POWER_OF_TWO(sse64, 12);
+}
+
+#define MASK_VAR(W, H)                                                       \
+  unsigned int vpx_masked_variance##W##x##H##_c(                             \
+      const uint8_t *a, int a_stride, const uint8_t *b, int b_stride,        \
+      const uint8_t *m, int m_stride, unsigned int *sse) {                   \
+    int sum;                                                                 \
+    masked_variance(a, a_stride, b, b_stride, m, m_stride, W, H, sse, &sum); \
+    return *sse - (((int64_t)sum * sum) / (W * H));                          \
+  }
+
+#define MASK_SUBPIX_VAR(W, H)                                                 \
+  unsigned int vpx_masked_sub_pixel_variance##W##x##H##_c(                    \
+      const uint8_t *src, int src_stride, int xoffset, int yoffset,           \
+      const uint8_t *dst, int dst_stride, const uint8_t *msk, int msk_stride, \
+      unsigned int *sse) {                                                    \
+    uint16_t fdata3[(H + 1) * W];                                             \
+    uint8_t temp2[H * W];                                                     \
+                                                                              \
+    var_filter_block2d_bil_first_pass(src, fdata3, src_stride, 1, H + 1, W,   \
+                                      bilinear_filters_2t[xoffset]);          \
+    var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W,             \
+                                       bilinear_filters_2t[yoffset]);         \
+                                                                              \
+    return vpx_masked_variance##W##x##H##_c(temp2, W, dst, dst_stride, msk,   \
+                                            msk_stride, sse);                 \
+  }
+
+MASK_VAR(4, 4)
+MASK_SUBPIX_VAR(4, 4)
+
+MASK_VAR(4, 8)
+MASK_SUBPIX_VAR(4, 8)
+
+MASK_VAR(8, 4)
+MASK_SUBPIX_VAR(8, 4)
+
+MASK_VAR(8, 8)
+MASK_SUBPIX_VAR(8, 8)
+
+MASK_VAR(8, 16)
+MASK_SUBPIX_VAR(8, 16)
+
+MASK_VAR(16, 8)
+MASK_SUBPIX_VAR(16, 8)
+
+MASK_VAR(16, 16)
+MASK_SUBPIX_VAR(16, 16)
+
+MASK_VAR(16, 32)
+MASK_SUBPIX_VAR(16, 32)
+
+MASK_VAR(32, 16)
+MASK_SUBPIX_VAR(32, 16)
+
+MASK_VAR(32, 32)
+MASK_SUBPIX_VAR(32, 32)
+
+MASK_VAR(32, 64)
+MASK_SUBPIX_VAR(32, 64)
+
+MASK_VAR(64, 32)
+MASK_SUBPIX_VAR(64, 32)
+
+MASK_VAR(64, 64)
+MASK_SUBPIX_VAR(64, 64)
+
+#if CONFIG_EXT_PARTITION
+MASK_VAR(64, 128)
+MASK_SUBPIX_VAR(64, 128)
+
+MASK_VAR(128, 64)
+MASK_SUBPIX_VAR(128, 64)
+
+MASK_VAR(128, 128)
+MASK_SUBPIX_VAR(128, 128)
+#endif  // CONFIG_EXT_PARTITION
+
+#if CONFIG_VP9_HIGHBITDEPTH
+void highbd_masked_variance64(const uint8_t *a8, int a_stride,
+                              const uint8_t *b8, int b_stride, const uint8_t *m,
+                              int m_stride, int w, int h, uint64_t *sse,
+                              int64_t *sum) {
+  int i, j;
+  uint16_t *a = CONVERT_TO_SHORTPTR(a8);
+  uint16_t *b = CONVERT_TO_SHORTPTR(b8);
+
+  *sum = 0;
+  *sse = 0;
+
+  for (i = 0; i < h; i++) {
+    for (j = 0; j < w; j++) {
+      const int diff = (a[j] - b[j]) * (m[j]);
+      *sum += (int64_t)diff;
+      *sse += (int64_t)diff * diff;
+    }
+
+    a += a_stride;
+    b += b_stride;
+    m += m_stride;
+  }
+  *sum = (*sum >= 0) ? *sum : -*sum;
+  *sum = ROUND_POWER_OF_TWO(*sum, 6);
+  *sse = ROUND_POWER_OF_TWO(*sse, 12);
+}
+
+void highbd_masked_variance(const uint8_t *a8, int a_stride, const uint8_t *b8,
+                            int b_stride, const uint8_t *m, int m_stride, int w,
+                            int h, unsigned int *sse, int *sum) {
+  int64_t sum64;
+  uint64_t sse64;
+  highbd_masked_variance64(a8, a_stride, b8, b_stride, m, m_stride, w, h,
+                           &sse64, &sum64);
+  *sum = (int)sum64;
+  *sse = (unsigned int)sse64;
+}
+
+void highbd_10_masked_variance(const uint8_t *a8, int a_stride,
+                               const uint8_t *b8, int b_stride,
+                               const uint8_t *m, int m_stride, int w, int h,
+                               unsigned int *sse, int *sum) {
+  int64_t sum64;
+  uint64_t sse64;
+  highbd_masked_variance64(a8, a_stride, b8, b_stride, m, m_stride, w, h,
+                           &sse64, &sum64);
+  *sum = (int)ROUND_POWER_OF_TWO(sum64, 2);
+  *sse = (unsigned int)ROUND_POWER_OF_TWO(sse64, 4);
+}
+
+void highbd_12_masked_variance(const uint8_t *a8, int a_stride,
+                               const uint8_t *b8, int b_stride,
+                               const uint8_t *m, int m_stride, int w, int h,
+                               unsigned int *sse, int *sum) {
+  int64_t sum64;
+  uint64_t sse64;
+  highbd_masked_variance64(a8, a_stride, b8, b_stride, m, m_stride, w, h,
+                           &sse64, &sum64);
+  *sum = (int)ROUND_POWER_OF_TWO(sum64, 4);
+  *sse = (unsigned int)ROUND_POWER_OF_TWO(sse64, 8);
+}
+
+#define HIGHBD_MASK_VAR(W, H)                                                \
+  unsigned int vpx_highbd_masked_variance##W##x##H##_c(                      \
+      const uint8_t *a, int a_stride, const uint8_t *b, int b_stride,        \
+      const uint8_t *m, int m_stride, unsigned int *sse) {                   \
+    int sum;                                                                 \
+    highbd_masked_variance(a, a_stride, b, b_stride, m, m_stride, W, H, sse, \
+                           &sum);                                            \
+    return *sse - (((int64_t)sum * sum) / (W * H));                          \
+  }                                                                          \
+                                                                             \
+  unsigned int vpx_highbd_10_masked_variance##W##x##H##_c(                   \
+      const uint8_t *a, int a_stride, const uint8_t *b, int b_stride,        \
+      const uint8_t *m, int m_stride, unsigned int *sse) {                   \
+    int sum;                                                                 \
+    highbd_10_masked_variance(a, a_stride, b, b_stride, m, m_stride, W, H,   \
+                              sse, &sum);                                    \
+    return *sse - (((int64_t)sum * sum) / (W * H));                          \
+  }                                                                          \
+                                                                             \
+  unsigned int vpx_highbd_12_masked_variance##W##x##H##_c(                   \
+      const uint8_t *a, int a_stride, const uint8_t *b, int b_stride,        \
+      const uint8_t *m, int m_stride, unsigned int *sse) {                   \
+    int sum;                                                                 \
+    highbd_12_masked_variance(a, a_stride, b, b_stride, m, m_stride, W, H,   \
+                              sse, &sum);                                    \
+    return *sse - (((int64_t)sum * sum) / (W * H));                          \
+  }
+
+#define HIGHBD_MASK_SUBPIX_VAR(W, H)                                          \
+  unsigned int vpx_highbd_masked_sub_pixel_variance##W##x##H##_c(             \
+      const uint8_t *src, int src_stride, int xoffset, int yoffset,           \
+      const uint8_t *dst, int dst_stride, const uint8_t *msk, int msk_stride, \
+      unsigned int *sse) {                                                    \
+    uint16_t fdata3[(H + 1) * W];                                             \
+    uint16_t temp2[H * W];                                                    \
+                                                                              \
+    vpx_highbd_var_filter_block2d_bil_first_pass(                             \
+        src, fdata3, src_stride, 1, H + 1, W, bilinear_filters_2t[xoffset]);  \
+    vpx_highbd_var_filter_block2d_bil_second_pass(                            \
+        fdata3, temp2, W, W, H, W, bilinear_filters_2t[yoffset]);             \
+                                                                              \
+    return vpx_highbd_masked_variance##W##x##H##_c(                           \
+        CONVERT_TO_BYTEPTR(temp2), W, dst, dst_stride, msk, msk_stride, sse); \
+  }                                                                           \
+                                                                              \
+  unsigned int vpx_highbd_10_masked_sub_pixel_variance##W##x##H##_c(          \
+      const uint8_t *src, int src_stride, int xoffset, int yoffset,           \
+      const uint8_t *dst, int dst_stride, const uint8_t *msk, int msk_stride, \
+      unsigned int *sse) {                                                    \
+    uint16_t fdata3[(H + 1) * W];                                             \
+    uint16_t temp2[H * W];                                                    \
+                                                                              \
+    vpx_highbd_var_filter_block2d_bil_first_pass(                             \
+        src, fdata3, src_stride, 1, H + 1, W, bilinear_filters_2t[xoffset]);  \
+    vpx_highbd_var_filter_block2d_bil_second_pass(                            \
+        fdata3, temp2, W, W, H, W, bilinear_filters_2t[yoffset]);             \
+                                                                              \
+    return vpx_highbd_10_masked_variance##W##x##H##_c(                        \
+        CONVERT_TO_BYTEPTR(temp2), W, dst, dst_stride, msk, msk_stride, sse); \
+  }                                                                           \
+                                                                              \
+  unsigned int vpx_highbd_12_masked_sub_pixel_variance##W##x##H##_c(          \
+      const uint8_t *src, int src_stride, int xoffset, int yoffset,           \
+      const uint8_t *dst, int dst_stride, const uint8_t *msk, int msk_stride, \
+      unsigned int *sse) {                                                    \
+    uint16_t fdata3[(H + 1) * W];                                             \
+    uint16_t temp2[H * W];                                                    \
+                                                                              \
+    vpx_highbd_var_filter_block2d_bil_first_pass(                             \
+        src, fdata3, src_stride, 1, H + 1, W, bilinear_filters_2t[xoffset]);  \
+    vpx_highbd_var_filter_block2d_bil_second_pass(                            \
+        fdata3, temp2, W, W, H, W, bilinear_filters_2t[yoffset]);             \
+                                                                              \
+    return vpx_highbd_12_masked_variance##W##x##H##_c(                        \
+        CONVERT_TO_BYTEPTR(temp2), W, dst, dst_stride, msk, msk_stride, sse); \
+  }
+
+HIGHBD_MASK_VAR(4, 4)
+HIGHBD_MASK_SUBPIX_VAR(4, 4)
+
+HIGHBD_MASK_VAR(4, 8)
+HIGHBD_MASK_SUBPIX_VAR(4, 8)
+
+HIGHBD_MASK_VAR(8, 4)
+HIGHBD_MASK_SUBPIX_VAR(8, 4)
+
+HIGHBD_MASK_VAR(8, 8)
+HIGHBD_MASK_SUBPIX_VAR(8, 8)
+
+HIGHBD_MASK_VAR(8, 16)
+HIGHBD_MASK_SUBPIX_VAR(8, 16)
+
+HIGHBD_MASK_VAR(16, 8)
+HIGHBD_MASK_SUBPIX_VAR(16, 8)
+
+HIGHBD_MASK_VAR(16, 16)
+HIGHBD_MASK_SUBPIX_VAR(16, 16)
+
+HIGHBD_MASK_VAR(16, 32)
+HIGHBD_MASK_SUBPIX_VAR(16, 32)
+
+HIGHBD_MASK_VAR(32, 16)
+HIGHBD_MASK_SUBPIX_VAR(32, 16)
+
+HIGHBD_MASK_VAR(32, 32)
+HIGHBD_MASK_SUBPIX_VAR(32, 32)
+
+HIGHBD_MASK_VAR(32, 64)
+HIGHBD_MASK_SUBPIX_VAR(32, 64)
+
+HIGHBD_MASK_VAR(64, 32)
+HIGHBD_MASK_SUBPIX_VAR(64, 32)
+
+HIGHBD_MASK_VAR(64, 64)
+HIGHBD_MASK_SUBPIX_VAR(64, 64)
+
+#if CONFIG_EXT_PARTITION
+HIGHBD_MASK_VAR(64, 128)
+HIGHBD_MASK_SUBPIX_VAR(64, 128)
+
+HIGHBD_MASK_VAR(128, 64)
+HIGHBD_MASK_SUBPIX_VAR(128, 64)
+
+HIGHBD_MASK_VAR(128, 128)
+HIGHBD_MASK_SUBPIX_VAR(128, 128)
+#endif  // CONFIG_EXT_PARTITION
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+#endif  // CONFIG_VP10 && CONFIG_EXT_INTER
+
+#if CONFIG_VP10 && CONFIG_OBMC
+static INLINE void obmc_variance(const uint8_t *pre, int pre_stride,
+                                 const int32_t *wsrc, const int32_t *mask,
+                                 int w, int h, unsigned int *sse, int *sum) {
+  int i, j;
+
+  *sse = 0;
+  *sum = 0;
+
+  for (i = 0; i < h; i++) {
+    for (j = 0; j < w; j++) {
+      int diff = ROUND_POWER_OF_TWO_SIGNED(wsrc[j] - pre[j] * mask[j], 12);
+      *sum += diff;
+      *sse += diff * diff;
+    }
+
+    pre += pre_stride;
+    wsrc += w;
+    mask += w;
+  }
+}
+
+#define OBMC_VAR(W, H)                                           \
+  unsigned int vpx_obmc_variance##W##x##H##_c(                   \
+      const uint8_t *pre, int pre_stride, const int32_t *wsrc,   \
+      const int32_t *mask, unsigned int *sse) {                  \
+    int sum;                                                     \
+    obmc_variance(pre, pre_stride, wsrc, mask, W, H, sse, &sum); \
+    return *sse - (((int64_t)sum * sum) / (W * H));              \
+  }
+
+#define OBMC_SUBPIX_VAR(W, H)                                               \
+  unsigned int vpx_obmc_sub_pixel_variance##W##x##H##_c(                    \
+      const uint8_t *pre, int pre_stride, int xoffset, int yoffset,         \
+      const int32_t *wsrc, const int32_t *mask, unsigned int *sse) {        \
+    uint16_t fdata3[(H + 1) * W];                                           \
+    uint8_t temp2[H * W];                                                   \
+                                                                            \
+    var_filter_block2d_bil_first_pass(pre, fdata3, pre_stride, 1, H + 1, W, \
+                                      bilinear_filters_2t[xoffset]);        \
+    var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W,           \
+                                       bilinear_filters_2t[yoffset]);       \
+                                                                            \
+    return vpx_obmc_variance##W##x##H##_c(temp2, W, wsrc, mask, sse);       \
+  }
+
+OBMC_VAR(4, 4)
+OBMC_SUBPIX_VAR(4, 4)
+
+OBMC_VAR(4, 8)
+OBMC_SUBPIX_VAR(4, 8)
+
+OBMC_VAR(8, 4)
+OBMC_SUBPIX_VAR(8, 4)
+
+OBMC_VAR(8, 8)
+OBMC_SUBPIX_VAR(8, 8)
+
+OBMC_VAR(8, 16)
+OBMC_SUBPIX_VAR(8, 16)
+
+OBMC_VAR(16, 8)
+OBMC_SUBPIX_VAR(16, 8)
+
+OBMC_VAR(16, 16)
+OBMC_SUBPIX_VAR(16, 16)
+
+OBMC_VAR(16, 32)
+OBMC_SUBPIX_VAR(16, 32)
+
+OBMC_VAR(32, 16)
+OBMC_SUBPIX_VAR(32, 16)
+
+OBMC_VAR(32, 32)
+OBMC_SUBPIX_VAR(32, 32)
+
+OBMC_VAR(32, 64)
+OBMC_SUBPIX_VAR(32, 64)
+
+OBMC_VAR(64, 32)
+OBMC_SUBPIX_VAR(64, 32)
+
+OBMC_VAR(64, 64)
+OBMC_SUBPIX_VAR(64, 64)
+
+#if CONFIG_EXT_PARTITION
+OBMC_VAR(64, 128)
+OBMC_SUBPIX_VAR(64, 128)
+
+OBMC_VAR(128, 64)
+OBMC_SUBPIX_VAR(128, 64)
+
+OBMC_VAR(128, 128)
+OBMC_SUBPIX_VAR(128, 128)
+#endif  // CONFIG_EXT_PARTITION
+
+#if CONFIG_VP9_HIGHBITDEPTH
+static INLINE void highbd_obmc_variance64(const uint8_t *pre8, int pre_stride,
+                                          const int32_t *wsrc,
+                                          const int32_t *mask, int w, int h,
+                                          uint64_t *sse, int64_t *sum) {
+  int i, j;
+  uint16_t *pre = CONVERT_TO_SHORTPTR(pre8);
+
+  *sse = 0;
+  *sum = 0;
+
+  for (i = 0; i < h; i++) {
+    for (j = 0; j < w; j++) {
+      int diff = ROUND_POWER_OF_TWO_SIGNED(wsrc[j] - pre[j] * mask[j], 12);
+      *sum += diff;
+      *sse += diff * diff;
+    }
+
+    pre += pre_stride;
+    wsrc += w;
+    mask += w;
+  }
+}
+
+static INLINE void highbd_obmc_variance(const uint8_t *pre8, int pre_stride,
+                                        const int32_t *wsrc,
+                                        const int32_t *mask, int w, int h,
+                                        unsigned int *sse, int *sum) {
+  int64_t sum64;
+  uint64_t sse64;
+  highbd_obmc_variance64(pre8, pre_stride, wsrc, mask, w, h, &sse64, &sum64);
+  *sum = (int)sum64;
+  *sse = (unsigned int)sse64;
+}
+
+static INLINE void highbd_10_obmc_variance(const uint8_t *pre8, int pre_stride,
+                                           const int32_t *wsrc,
+                                           const int32_t *mask, int w, int h,
+                                           unsigned int *sse, int *sum) {
+  int64_t sum64;
+  uint64_t sse64;
+  highbd_obmc_variance64(pre8, pre_stride, wsrc, mask, w, h, &sse64, &sum64);
+  *sum = (int)ROUND_POWER_OF_TWO(sum64, 2);
+  *sse = (unsigned int)ROUND_POWER_OF_TWO(sse64, 4);
+}
+
+static INLINE void highbd_12_obmc_variance(const uint8_t *pre8, int pre_stride,
+                                           const int32_t *wsrc,
+                                           const int32_t *mask, int w, int h,
+                                           unsigned int *sse, int *sum) {
+  int64_t sum64;
+  uint64_t sse64;
+  highbd_obmc_variance64(pre8, pre_stride, wsrc, mask, w, h, &sse64, &sum64);
+  *sum = (int)ROUND_POWER_OF_TWO(sum64, 4);
+  *sse = (unsigned int)ROUND_POWER_OF_TWO(sse64, 8);
+}
+
+#define HIGHBD_OBMC_VAR(W, H)                                              \
+  unsigned int vpx_highbd_obmc_variance##W##x##H##_c(                      \
+      const uint8_t *pre, int pre_stride, const int32_t *wsrc,             \
+      const int32_t *mask, unsigned int *sse) {                            \
+    int sum;                                                               \
+    highbd_obmc_variance(pre, pre_stride, wsrc, mask, W, H, sse, &sum);    \
+    return *sse - (((int64_t)sum * sum) / (W * H));                        \
+  }                                                                        \
+                                                                           \
+  unsigned int vpx_highbd_10_obmc_variance##W##x##H##_c(                   \
+      const uint8_t *pre, int pre_stride, const int32_t *wsrc,             \
+      const int32_t *mask, unsigned int *sse) {                            \
+    int sum;                                                               \
+    highbd_10_obmc_variance(pre, pre_stride, wsrc, mask, W, H, sse, &sum); \
+    return *sse - (((int64_t)sum * sum) / (W * H));                        \
+  }                                                                        \
+                                                                           \
+  unsigned int vpx_highbd_12_obmc_variance##W##x##H##_c(                   \
+      const uint8_t *pre, int pre_stride, const int32_t *wsrc,             \
+      const int32_t *mask, unsigned int *sse) {                            \
+    int sum;                                                               \
+    highbd_12_obmc_variance(pre, pre_stride, wsrc, mask, W, H, sse, &sum); \
+    return *sse - (((int64_t)sum * sum) / (W * H));                        \
+  }
+
+#define HIGHBD_OBMC_SUBPIX_VAR(W, H)                                           \
+  unsigned int vpx_highbd_obmc_sub_pixel_variance##W##x##H##_c(                \
+      const uint8_t *pre, int pre_stride, int xoffset, int yoffset,            \
+      const int32_t *wsrc, const int32_t *mask, unsigned int *sse) {           \
+    uint16_t fdata3[(H + 1) * W];                                              \
+    uint16_t temp2[H * W];                                                     \
+                                                                               \
+    vpx_highbd_var_filter_block2d_bil_first_pass(                              \
+        pre, fdata3, pre_stride, 1, H + 1, W, bilinear_filters_2t[xoffset]);   \
+    vpx_highbd_var_filter_block2d_bil_second_pass(                             \
+        fdata3, temp2, W, W, H, W, bilinear_filters_2t[yoffset]);              \
+                                                                               \
+    return vpx_highbd_obmc_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp2), W, \
+                                                 wsrc, mask, sse);             \
+  }                                                                            \
+                                                                               \
+  unsigned int vpx_highbd_10_obmc_sub_pixel_variance##W##x##H##_c(             \
+      const uint8_t *pre, int pre_stride, int xoffset, int yoffset,            \
+      const int32_t *wsrc, const int32_t *mask, unsigned int *sse) {           \
+    uint16_t fdata3[(H + 1) * W];                                              \
+    uint16_t temp2[H * W];                                                     \
+                                                                               \
+    vpx_highbd_var_filter_block2d_bil_first_pass(                              \
+        pre, fdata3, pre_stride, 1, H + 1, W, bilinear_filters_2t[xoffset]);   \
+    vpx_highbd_var_filter_block2d_bil_second_pass(                             \
+        fdata3, temp2, W, W, H, W, bilinear_filters_2t[yoffset]);              \
+                                                                               \
+    return vpx_highbd_10_obmc_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp2), \
+                                                    W, wsrc, mask, sse);       \
+  }                                                                            \
+                                                                               \
+  unsigned int vpx_highbd_12_obmc_sub_pixel_variance##W##x##H##_c(             \
+      const uint8_t *pre, int pre_stride, int xoffset, int yoffset,            \
+      const int32_t *wsrc, const int32_t *mask, unsigned int *sse) {           \
+    uint16_t fdata3[(H + 1) * W];                                              \
+    uint16_t temp2[H * W];                                                     \
+                                                                               \
+    vpx_highbd_var_filter_block2d_bil_first_pass(                              \
+        pre, fdata3, pre_stride, 1, H + 1, W, bilinear_filters_2t[xoffset]);   \
+    vpx_highbd_var_filter_block2d_bil_second_pass(                             \
+        fdata3, temp2, W, W, H, W, bilinear_filters_2t[yoffset]);              \
+                                                                               \
+    return vpx_highbd_12_obmc_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp2), \
+                                                    W, wsrc, mask, sse);       \
+  }
+
+HIGHBD_OBMC_VAR(4, 4)
+HIGHBD_OBMC_SUBPIX_VAR(4, 4)
+
+HIGHBD_OBMC_VAR(4, 8)
+HIGHBD_OBMC_SUBPIX_VAR(4, 8)
+
+HIGHBD_OBMC_VAR(8, 4)
+HIGHBD_OBMC_SUBPIX_VAR(8, 4)
+
+HIGHBD_OBMC_VAR(8, 8)
+HIGHBD_OBMC_SUBPIX_VAR(8, 8)
+
+HIGHBD_OBMC_VAR(8, 16)
+HIGHBD_OBMC_SUBPIX_VAR(8, 16)
+
+HIGHBD_OBMC_VAR(16, 8)
+HIGHBD_OBMC_SUBPIX_VAR(16, 8)
+
+HIGHBD_OBMC_VAR(16, 16)
+HIGHBD_OBMC_SUBPIX_VAR(16, 16)
+
+HIGHBD_OBMC_VAR(16, 32)
+HIGHBD_OBMC_SUBPIX_VAR(16, 32)
+
+HIGHBD_OBMC_VAR(32, 16)
+HIGHBD_OBMC_SUBPIX_VAR(32, 16)
+
+HIGHBD_OBMC_VAR(32, 32)
+HIGHBD_OBMC_SUBPIX_VAR(32, 32)
+
+HIGHBD_OBMC_VAR(32, 64)
+HIGHBD_OBMC_SUBPIX_VAR(32, 64)
+
+HIGHBD_OBMC_VAR(64, 32)
+HIGHBD_OBMC_SUBPIX_VAR(64, 32)
+
+HIGHBD_OBMC_VAR(64, 64)
+HIGHBD_OBMC_SUBPIX_VAR(64, 64)
+
+#if CONFIG_EXT_PARTITION
+HIGHBD_OBMC_VAR(64, 128)
+HIGHBD_OBMC_SUBPIX_VAR(64, 128)
+
+HIGHBD_OBMC_VAR(128, 64)
+HIGHBD_OBMC_SUBPIX_VAR(128, 64)
+
+HIGHBD_OBMC_VAR(128, 128)
+HIGHBD_OBMC_SUBPIX_VAR(128, 128)
+#endif  // CONFIG_EXT_PARTITION
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+#endif  // CONFIG_VP10 && CONFIG_OBMC