Update aom to v1.0.0

Update aom to commit id d14c5bb4f336ef1842046089849dee4a301fbbf0.

1 files changed, 39 insertions, 1132 deletions

diff --git a/third_party/aom/aom_dsp/aom_convolve.c b/third_party/aom/aom_dsp/aom_convolve.c
index c903ea52d..bba37e227 100644
--- a/third_party/aom/aom_dsp/aom_convolve.c
+++ b/third_party/aom/aom_dsp/aom_convolve.c
@@ -12,73 +12,40 @@
 #include <assert.h>
 #include <string.h>
 
-#include "./aom_config.h"
-#include "./aom_dsp_rtcd.h"
+#include "config/aom_config.h"
+#include "config/aom_dsp_rtcd.h"
+
 #include "aom/aom_integer.h"
 #include "aom_dsp/aom_convolve.h"
 #include "aom_dsp/aom_dsp_common.h"
 #include "aom_dsp/aom_filter.h"
 #include "aom_ports/mem.h"
 
+static INLINE int horz_scalar_product(const uint8_t *a, const int16_t *b) {
+  int sum = 0;
+  for (int k = 0; k < SUBPEL_TAPS; ++k) sum += a[k] * b[k];
+  return sum;
+}
+
+static INLINE int vert_scalar_product(const uint8_t *a, ptrdiff_t a_stride,
+                                      const int16_t *b) {
+  int sum = 0;
+  for (int k = 0; k < SUBPEL_TAPS; ++k) sum += a[k * a_stride] * b[k];
+  return sum;
+}
+
 static void convolve_horiz(const uint8_t *src, ptrdiff_t src_stride,
                            uint8_t *dst, ptrdiff_t dst_stride,
                            const InterpKernel *x_filters, int x0_q4,
                            int x_step_q4, int w, int h) {
-  int x, y;
   src -= SUBPEL_TAPS / 2 - 1;
-  for (y = 0; y < h; ++y) {
+  for (int y = 0; y < h; ++y) {
     int x_q4 = x0_q4;
-    for (x = 0; x < w; ++x) {
+    for (int x = 0; x < w; ++x) {
       const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
       const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
-      int k, sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
-      dst[x] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS));
-      x_q4 += x_step_q4;
-    }
-    src += src_stride;
-    dst += dst_stride;
-  }
-}
-
-static void convolve_horiz_scale_c(const uint8_t *src, ptrdiff_t src_stride,
-                                   uint8_t *dst, ptrdiff_t dst_stride,
-                                   const InterpKernel *x_filters, int x0_qn,
-                                   int x_step_qn, int w, int h) {
-  int x, y;
-  src -= SUBPEL_TAPS / 2 - 1;
-  for (y = 0; y < h; ++y) {
-    int x_qn = x0_qn;
-    for (x = 0; x < w; ++x) {
-      const uint8_t *const src_x = &src[x_qn >> SCALE_SUBPEL_BITS];  // q8
-      const int x_filter_idx = (x_qn & SCALE_SUBPEL_MASK) >> SCALE_EXTRA_BITS;
-      assert(x_filter_idx < SUBPEL_SHIFTS);
-      const int16_t *const x_filter = x_filters[x_filter_idx];
-      int k, sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
+      const int sum = horz_scalar_product(src_x, x_filter);
       dst[x] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS));
-      x_qn += x_step_qn;
-    }
-    src += src_stride;
-    dst += dst_stride;
-  }
-}
-
-static void convolve_avg_horiz(const uint8_t *src, ptrdiff_t src_stride,
-                               uint8_t *dst, ptrdiff_t dst_stride,
-                               const InterpKernel *x_filters, int x0_q4,
-                               int x_step_q4, int w, int h) {
-  int x, y;
-  src -= SUBPEL_TAPS / 2 - 1;
-  for (y = 0; y < h; ++y) {
-    int x_q4 = x0_q4;
-    for (x = 0; x < w; ++x) {
-      const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
-      const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
-      int k, sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
-      dst[x] = ROUND_POWER_OF_TWO(
-          dst[x] + clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)), 1);
       x_q4 += x_step_q4;
     }
     src += src_stride;
@@ -86,97 +53,19 @@ static void convolve_avg_horiz(const uint8_t *src, ptrdiff_t src_stride,
   }
 }
 
-static void convolve_avg_horiz_scale_c(const uint8_t *src, ptrdiff_t src_stride,
-                                       uint8_t *dst, ptrdiff_t dst_stride,
-                                       const InterpKernel *x_filters, int x0_qn,
-                                       int x_step_qn, int w, int h) {
-  int x, y;
-  src -= SUBPEL_TAPS / 2 - 1;
-  for (y = 0; y < h; ++y) {
-    int x_qn = x0_qn;
-    for (x = 0; x < w; ++x) {
-      const uint8_t *const src_x = &src[x_qn >> SCALE_SUBPEL_BITS];
-      const int x_filter_idx = (x_qn & SCALE_SUBPEL_MASK) >> SCALE_EXTRA_BITS;
-      assert(x_filter_idx < SUBPEL_SHIFTS);
-      const int16_t *const x_filter = x_filters[x_filter_idx];
-      int k, sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
-      dst[x] = ROUND_POWER_OF_TWO(
-          dst[x] + clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)), 1);
-      x_qn += x_step_qn;
-    }
-    src += src_stride;
-    dst += dst_stride;
-  }
-}
-
 static void convolve_vert(const uint8_t *src, ptrdiff_t src_stride,
                           uint8_t *dst, ptrdiff_t dst_stride,
                           const InterpKernel *y_filters, int y0_q4,
                           int y_step_q4, int w, int h) {
-  int x, y;
   src -= src_stride * (SUBPEL_TAPS / 2 - 1);
 
-  for (x = 0; x < w; ++x) {
+  for (int x = 0; x < w; ++x) {
     int y_q4 = y0_q4;
-    for (y = 0; y < h; ++y) {
+    for (int y = 0; y < h; ++y) {
       const unsigned char *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
       const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
-      int k, sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k)
-        sum += src_y[k * src_stride] * y_filter[k];
-      dst[y * dst_stride] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS));
-      y_q4 += y_step_q4;
-    }
-    ++src;
-    ++dst;
-  }
-}
-
-static void convolve_vert_scale_c(const uint8_t *src, ptrdiff_t src_stride,
-                                  uint8_t *dst, ptrdiff_t dst_stride,
-                                  const InterpKernel *y_filters, int y0_qn,
-                                  int y_step_qn, int w, int h) {
-  int x, y;
-  src -= src_stride * (SUBPEL_TAPS / 2 - 1);
-
-  for (x = 0; x < w; ++x) {
-    int y_qn = y0_qn;
-    for (y = 0; y < h; ++y) {
-      const unsigned char *src_y =
-          &src[(y_qn >> SCALE_SUBPEL_BITS) * src_stride];
-      const int16_t *const y_filter =
-          y_filters[(y_qn & SCALE_SUBPEL_MASK) >> SCALE_EXTRA_BITS];
-      int k, sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k)
-        sum += src_y[k * src_stride] * y_filter[k];
+      const int sum = vert_scalar_product(src_y, src_stride, y_filter);
       dst[y * dst_stride] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS));
-      y_qn += y_step_qn;
-    }
-    ++src;
-    ++dst;
-  }
-}
-
-static void convolve_avg_vert(const uint8_t *src, ptrdiff_t src_stride,
-                              uint8_t *dst, ptrdiff_t dst_stride,
-                              const InterpKernel *y_filters, int y0_q4,
-                              int y_step_q4, int w, int h) {
-  int x, y;
-  src -= src_stride * (SUBPEL_TAPS / 2 - 1);
-
-  for (x = 0; x < w; ++x) {
-    int y_q4 = y0_q4;
-    for (y = 0; y < h; ++y) {
-      const unsigned char *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
-      const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
-      int k, sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k)
-        sum += src_y[k * src_stride] * y_filter[k];
-      dst[y * dst_stride] = ROUND_POWER_OF_TWO(
-          dst[y * dst_stride] +
-              clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)),
-          1);
       y_q4 += y_step_q4;
     }
     ++src;
@@ -184,103 +73,6 @@ static void convolve_avg_vert(const uint8_t *src, ptrdiff_t src_stride,
   }
 }
 
-static void convolve_avg_vert_scale_c(const uint8_t *src, ptrdiff_t src_stride,
-                                      uint8_t *dst, ptrdiff_t dst_stride,
-                                      const InterpKernel *y_filters, int y0_qn,
-                                      int y_step_qn, int w, int h) {
-  int x, y;
-  src -= src_stride * (SUBPEL_TAPS / 2 - 1);
-
-  for (x = 0; x < w; ++x) {
-    int y_qn = y0_qn;
-    for (y = 0; y < h; ++y) {
-      const unsigned char *src_y =
-          &src[(y_qn >> SCALE_SUBPEL_BITS) * src_stride];
-      const int16_t *const y_filter =
-          y_filters[(y_qn & SCALE_SUBPEL_MASK) >> SCALE_EXTRA_BITS];
-      int k, sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k)
-        sum += src_y[k * src_stride] * y_filter[k];
-      dst[y * dst_stride] = ROUND_POWER_OF_TWO(
-          dst[y * dst_stride] +
-              clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)),
-          1);
-      y_qn += y_step_qn;
-    }
-    ++src;
-    ++dst;
-  }
-}
-
-static void convolve(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
-                     ptrdiff_t dst_stride, const InterpKernel *const x_filters,
-                     int x0_q4, int x_step_q4,
-                     const InterpKernel *const y_filters, int y0_q4,
-                     int y_step_q4, int w, int h) {
-  // Note: Fixed size intermediate buffer, temp, places limits on parameters.
-  // 2d filtering proceeds in 2 steps:
-  //   (1) Interpolate horizontally into an intermediate buffer, temp.
-  //   (2) Interpolate temp vertically to derive the sub-pixel result.
-  // Deriving the maximum number of rows in the temp buffer (135):
-  // --Smallest scaling factor is x1/2 ==> y_step_q4 = 32 (Normative).
-  // --Largest block size is 64x64 pixels.
-  // --64 rows in the downscaled frame span a distance of (64 - 1) * 32 in the
-  //   original frame (in 1/16th pixel units).
-  // --Must round-up because block may be located at sub-pixel position.
-  // --Require an additional SUBPEL_TAPS rows for the 8-tap filter tails.
-  // --((64 - 1) * 32 + 15) >> 4 + 8 = 135.
-  uint8_t temp[MAX_EXT_SIZE * MAX_SB_SIZE];
-  int intermediate_height =
-      (((h - 1) * y_step_q4 + y0_q4) >> SUBPEL_BITS) + SUBPEL_TAPS;
-
-  assert(w <= MAX_SB_SIZE);
-  assert(h <= MAX_SB_SIZE);
-
-  assert(y_step_q4 <= 32);
-  assert(x_step_q4 <= 32);
-
-  convolve_horiz(src - src_stride * (SUBPEL_TAPS / 2 - 1), src_stride, temp,
-                 MAX_SB_SIZE, x_filters, x0_q4, x_step_q4, w,
-                 intermediate_height);
-  convolve_vert(temp + MAX_SB_SIZE * (SUBPEL_TAPS / 2 - 1), MAX_SB_SIZE, dst,
-                dst_stride, y_filters, y0_q4, y_step_q4, w, h);
-}
-
-static void convolve_scale_c(const uint8_t *src, ptrdiff_t src_stride,
-                             uint8_t *dst, ptrdiff_t dst_stride,
-                             const InterpKernel *const x_filters, int x0_qn,
-                             int x_step_qn, const InterpKernel *const y_filters,
-                             int y0_qn, int y_step_qn, int w, int h) {
-  // TODO(afergs): Update comment here
-  // Note: Fixed size intermediate buffer, temp, places limits on parameters.
-  // 2d filtering proceeds in 2 steps:
-  //   (1) Interpolate horizontally into an intermediate buffer, temp.
-  //   (2) Interpolate temp vertically to derive the sub-pixel result.
-  // Deriving the maximum number of rows in the temp buffer (135):
-  // --Smallest scaling factor is x1/2 ==> y_step_qn = 32 (Normative).
-  // --Largest block size is 64x64 pixels.
-  // --64 rows in the downscaled frame span a distance of (64 - 1) * 32 in the
-  //   original frame (in 1/16th pixel units).
-  // --Must round-up because block may be located at sub-pixel position.
-  // --Require an additional SUBPEL_TAPS rows for the 8-tap filter tails.
-  // --((64 - 1) * 32 + 15) >> 4 + 8 = 135.
-  uint8_t temp[MAX_EXT_SIZE * MAX_SB_SIZE];
-  int intermediate_height =
-      (((h - 1) * y_step_qn + y0_qn) >> SCALE_SUBPEL_BITS) + SUBPEL_TAPS;
-
-  assert(w <= MAX_SB_SIZE);
-  assert(h <= MAX_SB_SIZE);
-
-  assert(y_step_qn <= SCALE_SUBPEL_BITS * 2);
-  assert(x_step_qn <= SCALE_SUBPEL_BITS * 2);
-
-  convolve_horiz_scale_c(src - src_stride * (SUBPEL_TAPS / 2 - 1), src_stride,
-                         temp, MAX_SB_SIZE, x_filters, x0_qn, x_step_qn, w,
-                         intermediate_height);
-  convolve_vert_scale_c(temp + MAX_SB_SIZE * (SUBPEL_TAPS / 2 - 1), MAX_SB_SIZE,
-                        dst, dst_stride, y_filters, y0_qn, y_step_qn, w, h);
-}
-
 static const InterpKernel *get_filter_base(const int16_t *filter) {
   // NOTE: This assumes that the filter table is 256-byte aligned.
   // TODO(agrange) Modify to make independent of table alignment.
@@ -306,52 +98,6 @@ void aom_convolve8_horiz_c(const uint8_t *src, ptrdiff_t src_stride,
                  w, h);
 }
 
-void aom_convolve8_horiz_scale_c(const uint8_t *src, ptrdiff_t src_stride,
-                                 uint8_t *dst, ptrdiff_t dst_stride,
-                                 const int16_t *filter_x, int subpel_x,
-                                 int x_step_qn, const int16_t *filter_y,
-                                 int subpel_y, int y_step_qn, int w, int h) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-
-  (void)subpel_y;
-  (void)filter_y;
-  (void)y_step_qn;
-
-  convolve_horiz_scale_c(src, src_stride, dst, dst_stride, filters_x, subpel_x,
-                         x_step_qn, w, h);
-}
-
-void aom_convolve8_avg_horiz_c(const uint8_t *src, ptrdiff_t src_stride,
-                               uint8_t *dst, ptrdiff_t dst_stride,
-                               const int16_t *filter_x, int x_step_q4,
-                               const int16_t *filter_y, int y_step_q4, int w,
-                               int h) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-  const int x0_q4 = get_filter_offset(filter_x, filters_x);
-
-  (void)filter_y;
-  (void)y_step_q4;
-
-  convolve_avg_horiz(src, src_stride, dst, dst_stride, filters_x, x0_q4,
-                     x_step_q4, w, h);
-}
-
-void aom_convolve8_avg_horiz_scale_c(const uint8_t *src, ptrdiff_t src_stride,
-                                     uint8_t *dst, ptrdiff_t dst_stride,
-                                     const int16_t *filter_x, int subpel_x,
-                                     int x_step_qn, const int16_t *filter_y,
-                                     int subpel_y, int y_step_qn, int w,
-                                     int h) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-
-  (void)subpel_y;
-  (void)filter_y;
-  (void)y_step_qn;
-
-  convolve_avg_horiz_scale_c(src, src_stride, dst, dst_stride, filters_x,
-                             subpel_x, x_step_qn, w, h);
-}
-
 void aom_convolve8_vert_c(const uint8_t *src, ptrdiff_t src_stride,
                           uint8_t *dst, ptrdiff_t dst_stride,
                           const int16_t *filter_x, int x_step_q4,
@@ -367,109 +113,6 @@ void aom_convolve8_vert_c(const uint8_t *src, ptrdiff_t src_stride,
                 w, h);
 }
 
-void aom_convolve8_vert_scale_c(const uint8_t *src, ptrdiff_t src_stride,
-                                uint8_t *dst, ptrdiff_t dst_stride,
-                                const int16_t *filter_x, int subpel_x,
-                                int x_step_qn, const int16_t *filter_y,
-                                int subpel_y, int y_step_qn, int w, int h) {
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-
-  (void)subpel_x;
-  (void)filter_x;
-  (void)x_step_qn;
-
-  convolve_vert_scale_c(src, src_stride, dst, dst_stride, filters_y, subpel_y,
-                        y_step_qn, w, h);
-}
-
-void aom_convolve8_avg_vert_c(const uint8_t *src, ptrdiff_t src_stride,
-                              uint8_t *dst, ptrdiff_t dst_stride,
-                              const int16_t *filter_x, int x_step_q4,
-                              const int16_t *filter_y, int y_step_q4, int w,
-                              int h) {
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-  const int y0_q4 = get_filter_offset(filter_y, filters_y);
-
-  (void)filter_x;
-  (void)x_step_q4;
-
-  convolve_avg_vert(src, src_stride, dst, dst_stride, filters_y, y0_q4,
-                    y_step_q4, w, h);
-}
-
-void aom_convolve8_avg_vert_scale_c(const uint8_t *src, ptrdiff_t src_stride,
-                                    uint8_t *dst, ptrdiff_t dst_stride,
-                                    const int16_t *filter_x, int subpel_x,
-                                    int x_step_qn, const int16_t *filter_y,
-                                    int subpel_y, int y_step_qn, int w, int h) {
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-
-  (void)subpel_x;
-  (void)filter_x;
-  (void)x_step_qn;
-
-  convolve_avg_vert_scale_c(src, src_stride, dst, dst_stride, filters_y,
-                            subpel_y, y_step_qn, w, h);
-}
-
-void aom_convolve8_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
-                     ptrdiff_t dst_stride, const int16_t *filter_x,
-                     int x_step_q4, const int16_t *filter_y, int y_step_q4,
-                     int w, int h) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-  const int x0_q4 = get_filter_offset(filter_x, filters_x);
-
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-  const int y0_q4 = get_filter_offset(filter_y, filters_y);
-
-  convolve(src, src_stride, dst, dst_stride, filters_x, x0_q4, x_step_q4,
-           filters_y, y0_q4, y_step_q4, w, h);
-}
-
-void aom_convolve8_scale_c(const uint8_t *src, ptrdiff_t src_stride,
-                           uint8_t *dst, ptrdiff_t dst_stride,
-                           const int16_t *filter_x, int subpel_x, int x_step_qn,
-                           const int16_t *filter_y, int subpel_y, int y_step_qn,
-                           int w, int h) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-
-  convolve_scale_c(src, src_stride, dst, dst_stride, filters_x, subpel_x,
-                   x_step_qn, filters_y, subpel_y, y_step_qn, w, h);
-}
-
-void aom_convolve8_avg_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
-                         ptrdiff_t dst_stride, const int16_t *filter_x,
-                         int x_step_q4, const int16_t *filter_y, int y_step_q4,
-                         int w, int h) {
-  /* Fixed size intermediate buffer places limits on parameters. */
-  DECLARE_ALIGNED(16, uint8_t, temp[MAX_SB_SIZE * MAX_SB_SIZE]);
-  assert(w <= MAX_SB_SIZE);
-  assert(h <= MAX_SB_SIZE);
-
-  aom_convolve8_c(src, src_stride, temp, MAX_SB_SIZE, filter_x, x_step_q4,
-                  filter_y, y_step_q4, w, h);
-  aom_convolve_avg_c(temp, MAX_SB_SIZE, dst, dst_stride, NULL, 0, NULL, 0, w,
-                     h);
-}
-
-void aom_convolve8_avg_scale_c(const uint8_t *src, ptrdiff_t src_stride,
-                               uint8_t *dst, ptrdiff_t dst_stride,
-                               const int16_t *filter_x, int subpel_x,
-                               int x_step_qn, const int16_t *filter_y,
-                               int subpel_y, int y_step_qn, int w, int h) {
-  /* Fixed size intermediate buffer places limits on parameters. */
-  DECLARE_ALIGNED(16, uint8_t, temp[MAX_SB_SIZE * MAX_SB_SIZE]);
-  assert(w <= MAX_SB_SIZE);
-  assert(h <= MAX_SB_SIZE);
-
-  aom_convolve8_scale_c(src, src_stride, temp, MAX_SB_SIZE, filter_x, subpel_x,
-                        x_step_qn, filter_y, subpel_y, y_step_qn, w, h);
-  aom_convolve_avg_c(temp, MAX_SB_SIZE, dst, dst_stride, NULL, 0, NULL, 0, w,
-                     h);
-}
-
 void aom_convolve_copy_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
                          ptrdiff_t dst_stride, const int16_t *filter_x,
                          int filter_x_stride, const int16_t *filter_y,
@@ -488,330 +131,34 @@ void aom_convolve_copy_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
   }
 }
 
-void aom_convolve_avg_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
-                        ptrdiff_t dst_stride, const int16_t *filter_x,
-                        int filter_x_stride, const int16_t *filter_y,
-                        int filter_y_stride, int w, int h) {
-  int x, y;
-
-  (void)filter_x;
-  (void)filter_x_stride;
-  (void)filter_y;
-  (void)filter_y_stride;
-
-  for (y = 0; y < h; ++y) {
-    for (x = 0; x < w; ++x) dst[x] = ROUND_POWER_OF_TWO(dst[x] + src[x], 1);
-
-    src += src_stride;
-    dst += dst_stride;
-  }
-}
-
-void aom_scaled_horiz_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
-                        ptrdiff_t dst_stride, const int16_t *filter_x,
-                        int x_step_q4, const int16_t *filter_y, int y_step_q4,
-                        int w, int h) {
-  aom_convolve8_horiz_c(src, src_stride, dst, dst_stride, filter_x, x_step_q4,
-                        filter_y, y_step_q4, w, h);
-}
-
-void aom_scaled_vert_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
-                       ptrdiff_t dst_stride, const int16_t *filter_x,
-                       int x_step_q4, const int16_t *filter_y, int y_step_q4,
-                       int w, int h) {
-  aom_convolve8_vert_c(src, src_stride, dst, dst_stride, filter_x, x_step_q4,
-                       filter_y, y_step_q4, w, h);
-}
-
-void aom_scaled_2d_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
-                     ptrdiff_t dst_stride, const int16_t *filter_x,
-                     int x_step_q4, const int16_t *filter_y, int y_step_q4,
-                     int w, int h) {
-  aom_convolve8_c(src, src_stride, dst, dst_stride, filter_x, x_step_q4,
-                  filter_y, y_step_q4, w, h);
-}
-
-void aom_scaled_avg_horiz_c(const uint8_t *src, ptrdiff_t src_stride,
-                            uint8_t *dst, ptrdiff_t dst_stride,
-                            const int16_t *filter_x, int x_step_q4,
-                            const int16_t *filter_y, int y_step_q4, int w,
-                            int h) {
-  aom_convolve8_avg_horiz_c(src, src_stride, dst, dst_stride, filter_x,
-                            x_step_q4, filter_y, y_step_q4, w, h);
-}
-
-void aom_scaled_avg_vert_c(const uint8_t *src, ptrdiff_t src_stride,
-                           uint8_t *dst, ptrdiff_t dst_stride,
-                           const int16_t *filter_x, int x_step_q4,
-                           const int16_t *filter_y, int y_step_q4, int w,
-                           int h) {
-  aom_convolve8_avg_vert_c(src, src_stride, dst, dst_stride, filter_x,
-                           x_step_q4, filter_y, y_step_q4, w, h);
-}
-
-void aom_scaled_avg_2d_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
-                         ptrdiff_t dst_stride, const int16_t *filter_x,
-                         int x_step_q4, const int16_t *filter_y, int y_step_q4,
-                         int w, int h) {
-  aom_convolve8_avg_c(src, src_stride, dst, dst_stride, filter_x, x_step_q4,
-                      filter_y, y_step_q4, w, h);
-}
-
-// TODO(afergs): Make sure this works too
-#if CONFIG_LOOP_RESTORATION
-static void convolve_add_src_horiz(const uint8_t *src, ptrdiff_t src_stride,
-                                   uint8_t *dst, ptrdiff_t dst_stride,
-                                   const InterpKernel *x_filters, int x0_q4,
-                                   int x_step_q4, int w, int h) {
-  int x, y, k;
-  src -= SUBPEL_TAPS / 2 - 1;
-  for (y = 0; y < h; ++y) {
-    int x_q4 = x0_q4;
-    for (x = 0; x < w; ++x) {
-      const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
-      const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
-      int sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
-      dst[x] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS) +
-                          src_x[SUBPEL_TAPS / 2 - 1]);
-      x_q4 += x_step_q4;
-    }
-    src += src_stride;
-    dst += dst_stride;
-  }
-}
-
-static void convolve_add_src_vert(const uint8_t *src, ptrdiff_t src_stride,
-                                  uint8_t *dst, ptrdiff_t dst_stride,
-                                  const InterpKernel *y_filters, int y0_q4,
-                                  int y_step_q4, int w, int h) {
-  int x, y, k;
-  src -= src_stride * (SUBPEL_TAPS / 2 - 1);
-
-  for (x = 0; x < w; ++x) {
-    int y_q4 = y0_q4;
-    for (y = 0; y < h; ++y) {
-      const unsigned char *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
-      const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
-      int sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k)
-        sum += src_y[k * src_stride] * y_filter[k];
-      dst[y * dst_stride] =
-          clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS) +
-                     src_y[(SUBPEL_TAPS / 2 - 1) * src_stride]);
-      y_q4 += y_step_q4;
-    }
-    ++src;
-    ++dst;
-  }
-}
-
-static void convolve_add_src(const uint8_t *src, ptrdiff_t src_stride,
-                             uint8_t *dst, ptrdiff_t dst_stride,
-                             const InterpKernel *const x_filters, int x0_q4,
-                             int x_step_q4, const InterpKernel *const y_filters,
-                             int y0_q4, int y_step_q4, int w, int h) {
-  uint8_t temp[MAX_EXT_SIZE * MAX_SB_SIZE];
-  int intermediate_height =
-      (((h - 1) * y_step_q4 + y0_q4) >> SUBPEL_BITS) + SUBPEL_TAPS;
-
-  assert(w <= MAX_SB_SIZE);
-  assert(h <= MAX_SB_SIZE);
-
-  assert(y_step_q4 <= 32);
-  assert(x_step_q4 <= 32);
-
-  convolve_add_src_horiz(src - src_stride * (SUBPEL_TAPS / 2 - 1), src_stride,
-                         temp, MAX_SB_SIZE, x_filters, x0_q4, x_step_q4, w,
-                         intermediate_height);
-  convolve_add_src_vert(temp + MAX_SB_SIZE * (SUBPEL_TAPS / 2 - 1), MAX_SB_SIZE,
-                        dst, dst_stride, y_filters, y0_q4, y_step_q4, w, h);
-}
-
-void aom_convolve8_add_src_horiz_c(const uint8_t *src, ptrdiff_t src_stride,
-                                   uint8_t *dst, ptrdiff_t dst_stride,
-                                   const int16_t *filter_x, int x_step_q4,
-                                   const int16_t *filter_y, int y_step_q4,
-                                   int w, int h) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-  const int x0_q4 = get_filter_offset(filter_x, filters_x);
-
-  (void)filter_y;
-  (void)y_step_q4;
-
-  convolve_add_src_horiz(src, src_stride, dst, dst_stride, filters_x, x0_q4,
-                         x_step_q4, w, h);
-}
-
-void aom_convolve8_add_src_vert_c(const uint8_t *src, ptrdiff_t src_stride,
-                                  uint8_t *dst, ptrdiff_t dst_stride,
-                                  const int16_t *filter_x, int x_step_q4,
-                                  const int16_t *filter_y, int y_step_q4, int w,
-                                  int h) {
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-  const int y0_q4 = get_filter_offset(filter_y, filters_y);
-
-  (void)filter_x;
-  (void)x_step_q4;
-
-  convolve_add_src_vert(src, src_stride, dst, dst_stride, filters_y, y0_q4,
-                        y_step_q4, w, h);
-}
-
-void aom_convolve8_add_src_c(const uint8_t *src, ptrdiff_t src_stride,
-                             uint8_t *dst, ptrdiff_t dst_stride,
-                             const int16_t *filter_x, int x_step_q4,
-                             const int16_t *filter_y, int y_step_q4, int w,
-                             int h) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-  const int x0_q4 = get_filter_offset(filter_x, filters_x);
-
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-  const int y0_q4 = get_filter_offset(filter_y, filters_y);
-
-  convolve_add_src(src, src_stride, dst, dst_stride, filters_x, x0_q4,
-                   x_step_q4, filters_y, y0_q4, y_step_q4, w, h);
-}
-
-static void convolve_add_src_horiz_hip(const uint8_t *src, ptrdiff_t src_stride,
-                                       uint16_t *dst, ptrdiff_t dst_stride,
-                                       const InterpKernel *x_filters, int x0_q4,
-                                       int x_step_q4, int w, int h) {
-  const int bd = 8;
-  int x, y, k;
-  src -= SUBPEL_TAPS / 2 - 1;
-  for (y = 0; y < h; ++y) {
-    int x_q4 = x0_q4;
-    for (x = 0; x < w; ++x) {
-      const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
-      const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
-      int sum = ((int)src_x[SUBPEL_TAPS / 2 - 1] << FILTER_BITS) +
-                (1 << (bd + FILTER_BITS - 1));
-      for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
-      dst[x] =
-          (uint16_t)clamp(ROUND_POWER_OF_TWO(sum, FILTER_BITS - EXTRAPREC_BITS),
-                          0, EXTRAPREC_CLAMP_LIMIT(bd) - 1);
-      x_q4 += x_step_q4;
-    }
-    src += src_stride;
-    dst += dst_stride;
-  }
-}
-
-static void convolve_add_src_vert_hip(const uint16_t *src, ptrdiff_t src_stride,
-                                      uint8_t *dst, ptrdiff_t dst_stride,
-                                      const InterpKernel *y_filters, int y0_q4,
-                                      int y_step_q4, int w, int h) {
-  const int bd = 8;
-  int x, y, k;
-  src -= src_stride * (SUBPEL_TAPS / 2 - 1);
-
-  for (x = 0; x < w; ++x) {
-    int y_q4 = y0_q4;
-    for (y = 0; y < h; ++y) {
-      const uint16_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
-      const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
-      int sum =
-          ((int)src_y[(SUBPEL_TAPS / 2 - 1) * src_stride] << FILTER_BITS) -
-          (1 << (bd + FILTER_BITS + EXTRAPREC_BITS - 1));
-      for (k = 0; k < SUBPEL_TAPS; ++k)
-        sum += src_y[k * src_stride] * y_filter[k];
-      dst[y * dst_stride] =
-          clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS + EXTRAPREC_BITS));
-      y_q4 += y_step_q4;
-    }
-    ++src;
-    ++dst;
-  }
-}
-
-static void convolve_add_src_hip(const uint8_t *src, ptrdiff_t src_stride,
-                                 uint8_t *dst, ptrdiff_t dst_stride,
-                                 const InterpKernel *const x_filters, int x0_q4,
-                                 int x_step_q4,
-                                 const InterpKernel *const y_filters, int y0_q4,
-                                 int y_step_q4, int w, int h) {
-  uint16_t temp[MAX_EXT_SIZE * MAX_SB_SIZE];
-  int intermediate_height =
-      (((h - 1) * y_step_q4 + y0_q4) >> SUBPEL_BITS) + SUBPEL_TAPS;
-
-  assert(w <= MAX_SB_SIZE);
-  assert(h <= MAX_SB_SIZE);
-
-  assert(y_step_q4 <= 32);
-  assert(x_step_q4 <= 32);
-
-  convolve_add_src_horiz_hip(src - src_stride * (SUBPEL_TAPS / 2 - 1),
-                             src_stride, temp, MAX_SB_SIZE, x_filters, x0_q4,
-                             x_step_q4, w, intermediate_height);
-  convolve_add_src_vert_hip(temp + MAX_SB_SIZE * (SUBPEL_TAPS / 2 - 1),
-                            MAX_SB_SIZE, dst, dst_stride, y_filters, y0_q4,
-                            y_step_q4, w, h);
-}
-
-void aom_convolve8_add_src_horiz_hip_c(const uint8_t *src, ptrdiff_t src_stride,
-                                       uint16_t *dst, ptrdiff_t dst_stride,
-                                       const int16_t *filter_x, int x_step_q4,
-                                       const int16_t *filter_y, int y_step_q4,
-                                       int w, int h) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-  const int x0_q4 = get_filter_offset(filter_x, filters_x);
-
-  (void)filter_y;
-  (void)y_step_q4;
-
-  convolve_add_src_horiz_hip(src, src_stride, dst, dst_stride, filters_x, x0_q4,
-                             x_step_q4, w, h);
-}
-
-void aom_convolve8_add_src_vert_hip_c(const uint16_t *src, ptrdiff_t src_stride,
-                                      uint8_t *dst, ptrdiff_t dst_stride,
-                                      const int16_t *filter_x, int x_step_q4,
-                                      const int16_t *filter_y, int y_step_q4,
-                                      int w, int h) {
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-  const int y0_q4 = get_filter_offset(filter_y, filters_y);
-
-  (void)filter_x;
-  (void)x_step_q4;
-
-  convolve_add_src_vert_hip(src, src_stride, dst, dst_stride, filters_y, y0_q4,
-                            y_step_q4, w, h);
+static INLINE int highbd_vert_scalar_product(const uint16_t *a,
+                                             ptrdiff_t a_stride,
+                                             const int16_t *b) {
+  int sum = 0;
+  for (int k = 0; k < SUBPEL_TAPS; ++k) sum += a[k * a_stride] * b[k];
+  return sum;
 }
 
-void aom_convolve8_add_src_hip_c(const uint8_t *src, ptrdiff_t src_stride,
-                                 uint8_t *dst, ptrdiff_t dst_stride,
-                                 const int16_t *filter_x, int x_step_q4,
-                                 const int16_t *filter_y, int y_step_q4, int w,
-                                 int h) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-  const int x0_q4 = get_filter_offset(filter_x, filters_x);
-
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-  const int y0_q4 = get_filter_offset(filter_y, filters_y);
-
-  convolve_add_src_hip(src, src_stride, dst, dst_stride, filters_x, x0_q4,
-                       x_step_q4, filters_y, y0_q4, y_step_q4, w, h);
+static INLINE int highbd_horz_scalar_product(const uint16_t *a,
+                                             const int16_t *b) {
+  int sum = 0;
+  for (int k = 0; k < SUBPEL_TAPS; ++k) sum += a[k] * b[k];
+  return sum;
 }
-#endif  // CONFIG_LOOP_RESTORATION
 
-// TODO(afergs): Make sure this works too
-#if CONFIG_HIGHBITDEPTH
 static void highbd_convolve_horiz(const uint8_t *src8, ptrdiff_t src_stride,
                                   uint8_t *dst8, ptrdiff_t dst_stride,
                                   const InterpKernel *x_filters, int x0_q4,
                                   int x_step_q4, int w, int h, int bd) {
-  int x, y;
   uint16_t *src = CONVERT_TO_SHORTPTR(src8);
   uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
   src -= SUBPEL_TAPS / 2 - 1;
-  for (y = 0; y < h; ++y) {
+  for (int y = 0; y < h; ++y) {
     int x_q4 = x0_q4;
-    for (x = 0; x < w; ++x) {
+    for (int x = 0; x < w; ++x) {
       const uint16_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
       const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
-      int k, sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
+      const int sum = highbd_horz_scalar_product(src_x, x_filter);
       dst[x] = clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd);
       x_q4 += x_step_q4;
     }
@@ -820,47 +167,19 @@ static void highbd_convolve_horiz(const uint8_t *src8, ptrdiff_t src_stride,
   }
 }
 
-static void highbd_convolve_avg_horiz(const uint8_t *src8, ptrdiff_t src_stride,
-                                      uint8_t *dst8, ptrdiff_t dst_stride,
-                                      const InterpKernel *x_filters, int x0_q4,
-                                      int x_step_q4, int w, int h, int bd) {
-  int x, y;
-  uint16_t *src = CONVERT_TO_SHORTPTR(src8);
-  uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
-  src -= SUBPEL_TAPS / 2 - 1;
-  for (y = 0; y < h; ++y) {
-    int x_q4 = x0_q4;
-    for (x = 0; x < w; ++x) {
-      const uint16_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
-      const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
-      int k, sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
-      dst[x] = ROUND_POWER_OF_TWO(
-          dst[x] + clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd),
-          1);
-      x_q4 += x_step_q4;
-    }
-    src += src_stride;
-    dst += dst_stride;
-  }
-}
-
 static void highbd_convolve_vert(const uint8_t *src8, ptrdiff_t src_stride,
                                  uint8_t *dst8, ptrdiff_t dst_stride,
                                  const InterpKernel *y_filters, int y0_q4,
                                  int y_step_q4, int w, int h, int bd) {
-  int x, y;
   uint16_t *src = CONVERT_TO_SHORTPTR(src8);
   uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
   src -= src_stride * (SUBPEL_TAPS / 2 - 1);
-  for (x = 0; x < w; ++x) {
+  for (int x = 0; x < w; ++x) {
     int y_q4 = y0_q4;
-    for (y = 0; y < h; ++y) {
+    for (int y = 0; y < h; ++y) {
       const uint16_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
       const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
-      int k, sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k)
-        sum += src_y[k * src_stride] * y_filter[k];
+      const int sum = highbd_vert_scalar_product(src_y, src_stride, y_filter);
       dst[y * dst_stride] =
           clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd);
       y_q4 += y_step_q4;
@@ -870,67 +189,6 @@ static void highbd_convolve_vert(const uint8_t *src8, ptrdiff_t src_stride,
   }
 }
 
-static void highbd_convolve_avg_vert(const uint8_t *src8, ptrdiff_t src_stride,
-                                     uint8_t *dst8, ptrdiff_t dst_stride,
-                                     const InterpKernel *y_filters, int y0_q4,
-                                     int y_step_q4, int w, int h, int bd) {
-  int x, y;
-  uint16_t *src = CONVERT_TO_SHORTPTR(src8);
-  uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
-  src -= src_stride * (SUBPEL_TAPS / 2 - 1);
-  for (x = 0; x < w; ++x) {
-    int y_q4 = y0_q4;
-    for (y = 0; y < h; ++y) {
-      const uint16_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
-      const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
-      int k, sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k)
-        sum += src_y[k * src_stride] * y_filter[k];
-      dst[y * dst_stride] = ROUND_POWER_OF_TWO(
-          dst[y * dst_stride] +
-              clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd),
-          1);
-      y_q4 += y_step_q4;
-    }
-    ++src;
-    ++dst;
-  }
-}
-
-static void highbd_convolve(const uint8_t *src, ptrdiff_t src_stride,
-                            uint8_t *dst, ptrdiff_t dst_stride,
-                            const InterpKernel *const x_filters, int x0_q4,
-                            int x_step_q4, const InterpKernel *const y_filters,
-                            int y0_q4, int y_step_q4, int w, int h, int bd) {
-  // Note: Fixed size intermediate buffer, temp, places limits on parameters.
-  // 2d filtering proceeds in 2 steps:
-  //   (1) Interpolate horizontally into an intermediate buffer, temp.
-  //   (2) Interpolate temp vertically to derive the sub-pixel result.
-  // Deriving the maximum number of rows in the temp buffer (135):
-  // --Smallest scaling factor is x1/2 ==> y_step_q4 = 32 (Normative).
-  // --Largest block size is 64x64 pixels.
-  // --64 rows in the downscaled frame span a distance of (64 - 1) * 32 in the
-  //   original frame (in 1/16th pixel units).
-  // --Must round-up because block may be located at sub-pixel position.
-  // --Require an additional SUBPEL_TAPS rows for the 8-tap filter tails.
-  // --((64 - 1) * 32 + 15) >> 4 + 8 = 135.
-  uint16_t temp[MAX_EXT_SIZE * MAX_SB_SIZE];
-  int intermediate_height =
-      (((h - 1) * y_step_q4 + y0_q4) >> SUBPEL_BITS) + SUBPEL_TAPS;
-
-  assert(w <= MAX_SB_SIZE);
-  assert(h <= MAX_SB_SIZE);
-  assert(y_step_q4 <= 32);
-  assert(x_step_q4 <= 32);
-
-  highbd_convolve_horiz(src - src_stride * (SUBPEL_TAPS / 2 - 1), src_stride,
-                        CONVERT_TO_BYTEPTR(temp), MAX_SB_SIZE, x_filters, x0_q4,
-                        x_step_q4, w, intermediate_height, bd);
-  highbd_convolve_vert(
-      CONVERT_TO_BYTEPTR(temp) + MAX_SB_SIZE * (SUBPEL_TAPS / 2 - 1),
-      MAX_SB_SIZE, dst, dst_stride, y_filters, y0_q4, y_step_q4, w, h, bd);
-}
-
 void aom_highbd_convolve8_horiz_c(const uint8_t *src, ptrdiff_t src_stride,
                                   uint8_t *dst, ptrdiff_t dst_stride,
                                   const int16_t *filter_x, int x_step_q4,
@@ -945,20 +203,6 @@ void aom_highbd_convolve8_horiz_c(const uint8_t *src, ptrdiff_t src_stride,
                         x_step_q4, w, h, bd);
 }
 
-void aom_highbd_convolve8_avg_horiz_c(const uint8_t *src, ptrdiff_t src_stride,
-                                      uint8_t *dst, ptrdiff_t dst_stride,
-                                      const int16_t *filter_x, int x_step_q4,
-                                      const int16_t *filter_y, int y_step_q4,
-                                      int w, int h, int bd) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-  const int x0_q4 = get_filter_offset(filter_x, filters_x);
-  (void)filter_y;
-  (void)y_step_q4;
-
-  highbd_convolve_avg_horiz(src, src_stride, dst, dst_stride, filters_x, x0_q4,
-                            x_step_q4, w, h, bd);
-}
-
 void aom_highbd_convolve8_vert_c(const uint8_t *src, ptrdiff_t src_stride,
                                  uint8_t *dst, ptrdiff_t dst_stride,
                                  const int16_t *filter_x, int x_step_q4,
@@ -973,51 +217,6 @@ void aom_highbd_convolve8_vert_c(const uint8_t *src, ptrdiff_t src_stride,
                        y_step_q4, w, h, bd);
 }
 
-void aom_highbd_convolve8_avg_vert_c(const uint8_t *src, ptrdiff_t src_stride,
-                                     uint8_t *dst, ptrdiff_t dst_stride,
-                                     const int16_t *filter_x, int x_step_q4,
-                                     const int16_t *filter_y, int y_step_q4,
-                                     int w, int h, int bd) {
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-  const int y0_q4 = get_filter_offset(filter_y, filters_y);
-  (void)filter_x;
-  (void)x_step_q4;
-
-  highbd_convolve_avg_vert(src, src_stride, dst, dst_stride, filters_y, y0_q4,
-                           y_step_q4, w, h, bd);
-}
-
-void aom_highbd_convolve8_c(const uint8_t *src, ptrdiff_t src_stride,
-                            uint8_t *dst, ptrdiff_t dst_stride,
-                            const int16_t *filter_x, int x_step_q4,
-                            const int16_t *filter_y, int y_step_q4, int w,
-                            int h, int bd) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-  const int x0_q4 = get_filter_offset(filter_x, filters_x);
-
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-  const int y0_q4 = get_filter_offset(filter_y, filters_y);
-
-  highbd_convolve(src, src_stride, dst, dst_stride, filters_x, x0_q4, x_step_q4,
-                  filters_y, y0_q4, y_step_q4, w, h, bd);
-}
-
-void aom_highbd_convolve8_avg_c(const uint8_t *src, ptrdiff_t src_stride,
-                                uint8_t *dst, ptrdiff_t dst_stride,
-                                const int16_t *filter_x, int x_step_q4,
-                                const int16_t *filter_y, int y_step_q4, int w,
-                                int h, int bd) {
-  // Fixed size intermediate buffer places limits on parameters.
-  DECLARE_ALIGNED(16, uint16_t, temp[MAX_SB_SIZE * MAX_SB_SIZE]);
-  assert(w <= MAX_SB_SIZE);
-  assert(h <= MAX_SB_SIZE);
-
-  aom_highbd_convolve8_c(src, src_stride, CONVERT_TO_BYTEPTR(temp), MAX_SB_SIZE,
-                         filter_x, x_step_q4, filter_y, y_step_q4, w, h, bd);
-  aom_highbd_convolve_avg_c(CONVERT_TO_BYTEPTR(temp), MAX_SB_SIZE, dst,
-                            dst_stride, NULL, 0, NULL, 0, w, h, bd);
-}
-
 void aom_highbd_convolve_copy_c(const uint8_t *src8, ptrdiff_t src_stride,
                                 uint8_t *dst8, ptrdiff_t dst_stride,
                                 const int16_t *filter_x, int filter_x_stride,
@@ -1038,295 +237,3 @@ void aom_highbd_convolve_copy_c(const uint8_t *src8, ptrdiff_t src_stride,
     dst += dst_stride;
   }
 }
-
-void aom_highbd_convolve_avg_c(const uint8_t *src8, ptrdiff_t src_stride,
-                               uint8_t *dst8, ptrdiff_t dst_stride,
-                               const int16_t *filter_x, int filter_x_stride,
-                               const int16_t *filter_y, int filter_y_stride,
-                               int w, int h, int bd) {
-  int x, y;
-  uint16_t *src = CONVERT_TO_SHORTPTR(src8);
-  uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
-  (void)filter_x;
-  (void)filter_y;
-  (void)filter_x_stride;
-  (void)filter_y_stride;
-  (void)bd;
-
-  for (y = 0; y < h; ++y) {
-    for (x = 0; x < w; ++x) {
-      dst[x] = ROUND_POWER_OF_TWO(dst[x] + src[x], 1);
-    }
-    src += src_stride;
-    dst += dst_stride;
-  }
-}
-
-#if CONFIG_LOOP_RESTORATION
-static void highbd_convolve_add_src_horiz(const uint8_t *src8,
-                                          ptrdiff_t src_stride, uint8_t *dst8,
-                                          ptrdiff_t dst_stride,
-                                          const InterpKernel *x_filters,
-                                          int x0_q4, int x_step_q4, int w,
-                                          int h, int bd) {
-  int x, y, k;
-  uint16_t *src = CONVERT_TO_SHORTPTR(src8);
-  uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
-  src -= SUBPEL_TAPS / 2 - 1;
-  for (y = 0; y < h; ++y) {
-    int x_q4 = x0_q4;
-    for (x = 0; x < w; ++x) {
-      const uint16_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
-      const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
-      int sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
-      dst[x] = clip_pixel_highbd(
-          ROUND_POWER_OF_TWO(sum, FILTER_BITS) + src_x[SUBPEL_TAPS / 2 - 1],
-          bd);
-      x_q4 += x_step_q4;
-    }
-    src += src_stride;
-    dst += dst_stride;
-  }
-}
-
-static void highbd_convolve_add_src_vert(const uint8_t *src8,
-                                         ptrdiff_t src_stride, uint8_t *dst8,
-                                         ptrdiff_t dst_stride,
-                                         const InterpKernel *y_filters,
-                                         int y0_q4, int y_step_q4, int w, int h,
-                                         int bd) {
-  int x, y, k;
-  uint16_t *src = CONVERT_TO_SHORTPTR(src8);
-  uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
-  src -= src_stride * (SUBPEL_TAPS / 2 - 1);
-  for (x = 0; x < w; ++x) {
-    int y_q4 = y0_q4;
-    for (y = 0; y < h; ++y) {
-      const uint16_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
-      const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
-      int sum = 0;
-      for (k = 0; k < SUBPEL_TAPS; ++k)
-        sum += src_y[k * src_stride] * y_filter[k];
-      dst[y * dst_stride] =
-          clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS) +
-                                src_y[(SUBPEL_TAPS / 2 - 1) * src_stride],
-                            bd);
-      y_q4 += y_step_q4;
-    }
-    ++src;
-    ++dst;
-  }
-}
-
-static void highbd_convolve_add_src(const uint8_t *src, ptrdiff_t src_stride,
-                                    uint8_t *dst, ptrdiff_t dst_stride,
-                                    const InterpKernel *const x_filters,
-                                    int x0_q4, int x_step_q4,
-                                    const InterpKernel *const y_filters,
-                                    int y0_q4, int y_step_q4, int w, int h,
-                                    int bd) {
-  // Note: Fixed size intermediate buffer, temp, places limits on parameters.
-  // 2d filtering proceeds in 2 steps:
-  //   (1) Interpolate horizontally into an intermediate buffer, temp.
-  //   (2) Interpolate temp vertically to derive the sub-pixel result.
-  // Deriving the maximum number of rows in the temp buffer (135):
-  // --Smallest scaling factor is x1/2 ==> y_step_q4 = 32 (Normative).
-  // --Largest block size is 64x64 pixels.
-  // --64 rows in the downscaled frame span a distance of (64 - 1) * 32 in the
-  //   original frame (in 1/16th pixel units).
-  // --Must round-up because block may be located at sub-pixel position.
-  // --Require an additional SUBPEL_TAPS rows for the 8-tap filter tails.
-  // --((64 - 1) * 32 + 15) >> 4 + 8 = 135.
-  uint16_t temp[MAX_EXT_SIZE * MAX_SB_SIZE];
-  int intermediate_height =
-      (((h - 1) * y_step_q4 + y0_q4) >> SUBPEL_BITS) + SUBPEL_TAPS;
-
-  assert(w <= MAX_SB_SIZE);
-  assert(h <= MAX_SB_SIZE);
-  assert(y_step_q4 <= 32);
-  assert(x_step_q4 <= 32);
-
-  highbd_convolve_add_src_horiz(src - src_stride * (SUBPEL_TAPS / 2 - 1),
-                                src_stride, CONVERT_TO_BYTEPTR(temp),
-                                MAX_SB_SIZE, x_filters, x0_q4, x_step_q4, w,
-                                intermediate_height, bd);
-  highbd_convolve_add_src_vert(
-      CONVERT_TO_BYTEPTR(temp) + MAX_SB_SIZE * (SUBPEL_TAPS / 2 - 1),
-      MAX_SB_SIZE, dst, dst_stride, y_filters, y0_q4, y_step_q4, w, h, bd);
-}
-
-void aom_highbd_convolve8_add_src_horiz_c(
-    const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
-    ptrdiff_t dst_stride, const int16_t *filter_x, int x_step_q4,
-    const int16_t *filter_y, int y_step_q4, int w, int h, int bd) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-  const int x0_q4 = get_filter_offset(filter_x, filters_x);
-  (void)filter_y;
-  (void)y_step_q4;
-
-  highbd_convolve_add_src_horiz(src, src_stride, dst, dst_stride, filters_x,
-                                x0_q4, x_step_q4, w, h, bd);
-}
-
-void aom_highbd_convolve8_add_src_vert_c(const uint8_t *src,
-                                         ptrdiff_t src_stride, uint8_t *dst,
-                                         ptrdiff_t dst_stride,
-                                         const int16_t *filter_x, int x_step_q4,
-                                         const int16_t *filter_y, int y_step_q4,
-                                         int w, int h, int bd) {
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-  const int y0_q4 = get_filter_offset(filter_y, filters_y);
-  (void)filter_x;
-  (void)x_step_q4;
-
-  highbd_convolve_add_src_vert(src, src_stride, dst, dst_stride, filters_y,
-                               y0_q4, y_step_q4, w, h, bd);
-}
-
-void aom_highbd_convolve8_add_src_c(const uint8_t *src, ptrdiff_t src_stride,
-                                    uint8_t *dst, ptrdiff_t dst_stride,
-                                    const int16_t *filter_x, int x_step_q4,
-                                    const int16_t *filter_y, int y_step_q4,
-                                    int w, int h, int bd) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-  const int x0_q4 = get_filter_offset(filter_x, filters_x);
-
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-  const int y0_q4 = get_filter_offset(filter_y, filters_y);
-
-  highbd_convolve_add_src(src, src_stride, dst, dst_stride, filters_x, x0_q4,
-                          x_step_q4, filters_y, y0_q4, y_step_q4, w, h, bd);
-}
-
-static void highbd_convolve_add_src_horiz_hip(
-    const uint8_t *src8, ptrdiff_t src_stride, uint16_t *dst,
-    ptrdiff_t dst_stride, const InterpKernel *x_filters, int x0_q4,
-    int x_step_q4, int w, int h, int bd) {
-  const int extraprec_clamp_limit = EXTRAPREC_CLAMP_LIMIT(bd);
-  int x, y, k;
-  uint16_t *src = CONVERT_TO_SHORTPTR(src8);
-  src -= SUBPEL_TAPS / 2 - 1;
-  for (y = 0; y < h; ++y) {
-    int x_q4 = x0_q4;
-    for (x = 0; x < w; ++x) {
-      const uint16_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
-      const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
-      int sum = ((int)src_x[SUBPEL_TAPS / 2 - 1] << FILTER_BITS) +
-                (1 << (bd + FILTER_BITS - 1));
-      for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
-      dst[x] =
-          (uint16_t)clamp(ROUND_POWER_OF_TWO(sum, FILTER_BITS - EXTRAPREC_BITS),
-                          0, extraprec_clamp_limit - 1);
-      x_q4 += x_step_q4;
-    }
-    src += src_stride;
-    dst += dst_stride;
-  }
-}
-
-static void highbd_convolve_add_src_vert_hip(
-    const uint16_t *src, ptrdiff_t src_stride, uint8_t *dst8,
-    ptrdiff_t dst_stride, const InterpKernel *y_filters, int y0_q4,
-    int y_step_q4, int w, int h, int bd) {
-  int x, y, k;
-  uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
-  src -= src_stride * (SUBPEL_TAPS / 2 - 1);
-  for (x = 0; x < w; ++x) {
-    int y_q4 = y0_q4;
-    for (y = 0; y < h; ++y) {
-      const uint16_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
-      const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
-      int sum =
-          ((int)src_y[(SUBPEL_TAPS / 2 - 1) * src_stride] << FILTER_BITS) -
-          (1 << (bd + FILTER_BITS + EXTRAPREC_BITS - 1));
-      for (k = 0; k < SUBPEL_TAPS; ++k)
-        sum += src_y[k * src_stride] * y_filter[k];
-      dst[y * dst_stride] = clip_pixel_highbd(
-          ROUND_POWER_OF_TWO(sum, FILTER_BITS + EXTRAPREC_BITS), bd);
-      y_q4 += y_step_q4;
-    }
-    ++src;
-    ++dst;
-  }
-}
-
-static void highbd_convolve_add_src_hip(
-    const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
-    ptrdiff_t dst_stride, const InterpKernel *const x_filters, int x0_q4,
-    int x_step_q4, const InterpKernel *const y_filters, int y0_q4,
-    int y_step_q4, int w, int h, int bd) {
-  // Note: Fixed size intermediate buffer, temp, places limits on parameters.
-  // 2d filtering proceeds in 2 steps:
-  //   (1) Interpolate horizontally into an intermediate buffer, temp.
-  //   (2) Interpolate temp vertically to derive the sub-pixel result.
-  // Deriving the maximum number of rows in the temp buffer (135):
-  // --Smallest scaling factor is x1/2 ==> y_step_q4 = 32 (Normative).
-  // --Largest block size is 64x64 pixels.
-  // --64 rows in the downscaled frame span a distance of (64 - 1) * 32 in the
-  //   original frame (in 1/16th pixel units).
-  // --Must round-up because block may be located at sub-pixel position.
-  // --Require an additional SUBPEL_TAPS rows for the 8-tap filter tails.
-  // --((64 - 1) * 32 + 15) >> 4 + 8 = 135.
-  uint16_t temp[MAX_EXT_SIZE * MAX_SB_SIZE];
-  int intermediate_height =
-      (((h - 1) * y_step_q4 + y0_q4) >> SUBPEL_BITS) + SUBPEL_TAPS;
-
-  assert(w <= MAX_SB_SIZE);
-  assert(h <= MAX_SB_SIZE);
-  assert(y_step_q4 <= 32);
-  assert(x_step_q4 <= 32);
-
-  highbd_convolve_add_src_horiz_hip(
-      src - src_stride * (SUBPEL_TAPS / 2 - 1), src_stride, temp, MAX_SB_SIZE,
-      x_filters, x0_q4, x_step_q4, w, intermediate_height, bd);
-  highbd_convolve_add_src_vert_hip(temp + MAX_SB_SIZE * (SUBPEL_TAPS / 2 - 1),
-                                   MAX_SB_SIZE, dst, dst_stride, y_filters,
-                                   y0_q4, y_step_q4, w, h, bd);
-}
-
-void aom_highbd_convolve8_add_src_horiz_hip_c(
-    const uint8_t *src, ptrdiff_t src_stride, uint16_t *dst,
-    ptrdiff_t dst_stride, const int16_t *filter_x, int x_step_q4,
-    const int16_t *filter_y, int y_step_q4, int w, int h, int bd) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-  const int x0_q4 = get_filter_offset(filter_x, filters_x);
-  (void)filter_y;
-  (void)y_step_q4;
-
-  highbd_convolve_add_src_horiz_hip(src, src_stride, dst, dst_stride, filters_x,
-                                    x0_q4, x_step_q4, w, h, bd);
-}
-
-void aom_highbd_convolve8_add_src_vert_hip_c(
-    const uint16_t *src, ptrdiff_t src_stride, uint8_t *dst,
-    ptrdiff_t dst_stride, const int16_t *filter_x, int x_step_q4,
-    const int16_t *filter_y, int y_step_q4, int w, int h, int bd) {
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-  const int y0_q4 = get_filter_offset(filter_y, filters_y);
-  (void)filter_x;
-  (void)x_step_q4;
-
-  highbd_convolve_add_src_vert_hip(src, src_stride, dst, dst_stride, filters_y,
-                                   y0_q4, y_step_q4, w, h, bd);
-}
-
-void aom_highbd_convolve8_add_src_hip_c(const uint8_t *src,
-                                        ptrdiff_t src_stride, uint8_t *dst,
-                                        ptrdiff_t dst_stride,
-                                        const int16_t *filter_x, int x_step_q4,
-                                        const int16_t *filter_y, int y_step_q4,
-                                        int w, int h, int bd) {
-  const InterpKernel *const filters_x = get_filter_base(filter_x);
-  const int x0_q4 = get_filter_offset(filter_x, filters_x);
-
-  const InterpKernel *const filters_y = get_filter_base(filter_y);
-  const int y0_q4 = get_filter_offset(filter_y, filters_y);
-
-  highbd_convolve_add_src_hip(src, src_stride, dst, dst_stride, filters_x,
-                              x0_q4, x_step_q4, filters_y, y0_q4, y_step_q4, w,
-                              h, bd);
-}
-
-#endif  // CONFIG_LOOP_RESTORATION
-#endif  // CONFIG_HIGHBITDEPTH