1 files changed, 0 insertions, 155 deletions
diff --git a/third_party/aom/av1/encoder/dwt.c b/third_party/aom/av1/encoder/dwt.c
deleted file mode 100644
index 04088b25f..000000000
--- a/third_party/aom/av1/encoder/dwt.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * Copyright (c) 2018, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 2 Clause License and
- * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
- * was not distributed with this source code in the LICENSE file, you can
- * obtain it at www.aomedia.org/license/software. If the Alliance for Open
- * Media Patent License 1.0 was not distributed with this source code in the
- * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
- */
-
-#include <assert.h>
-#include <stdlib.h>
-#include <math.h>
-
-#include "config/av1_rtcd.h"
-#include "av1/encoder/dwt.h"
-
-// Note: block length must be even for this implementation
-static void analysis_53_row(int length, tran_low_t *x, tran_low_t *lowpass,
-                            tran_low_t *highpass) {
-  int n;
-  tran_low_t r, *a, *b;
-
-  n = length >> 1;
-  b = highpass;
-  a = lowpass;
-  while (--n) {
-    *a++ = (r = *x++) * 2;
-    *b++ = *x - ((r + x[1] + 1) >> 1);
-    x++;
-  }
-  *a = (r = *x++) * 2;
-  *b = *x - r;
-
-  n = length >> 1;
-  b = highpass;
-  a = lowpass;
-  r = *highpass;
-  while (n--) {
-    *a++ += (r + (*b) + 1) >> 1;
-    r = *b++;
-  }
-}
-
-static void analysis_53_col(int length, tran_low_t *x, tran_low_t *lowpass,
-                            tran_low_t *highpass) {
-  int n;
-  tran_low_t r, *a, *b;
-
-  n = length >> 1;
-  b = highpass;
-  a = lowpass;
-  while (--n) {
-    *a++ = (r = *x++);
-    *b++ = (((*x) * 2) - (r + x[1]) + 2) >> 2;
-    x++;
-  }
-  *a = (r = *x++);
-  *b = (*x - r + 1) >> 1;
-
-  n = length >> 1;
-  b = highpass;
-  a = lowpass;
-  r = *highpass;
-  while (n--) {
-    *a++ += (r + (*b) + 1) >> 1;
-    r = *b++;
-  }
-}
-
-static void dyadic_analyze_53_uint8_input(int levels, int width, int height,
-                                          uint8_t *x, int pitch_x,
-                                          tran_low_t *c, int pitch_c,
-                                          int dwt_scale_bits, int hbd) {
-  int lv, i, j, nh, nw, hh = height, hw = width;
-  tran_low_t buffer[2 * DWT_MAX_LENGTH];
-
-  if (hbd) {
-    uint16_t *x16 = CONVERT_TO_SHORTPTR(x);
-    for (i = 0; i < height; i++) {
-      for (j = 0; j < width; j++) {
-        c[i * pitch_c + j] = x16[i * pitch_x + j] << dwt_scale_bits;
-      }
-    }
-  } else {
-    for (i = 0; i < height; i++) {
-      for (j = 0; j < width; j++) {
-        c[i * pitch_c + j] = x[i * pitch_x + j] << dwt_scale_bits;
-      }
-    }
-  }
-
-  for (lv = 0; lv < levels; lv++) {
-    nh = hh;
-    hh = (hh + 1) >> 1;
-    nw = hw;
-    hw = (hw + 1) >> 1;
-    if ((nh < 2) || (nw < 2)) return;
-    for (i = 0; i < nh; i++) {
-      memcpy(buffer, &c[i * pitch_c], nw * sizeof(tran_low_t));
-      analysis_53_row(nw, buffer, &c[i * pitch_c], &c[i * pitch_c] + hw);
-    }
-    for (j = 0; j < nw; j++) {
-      for (i = 0; i < nh; i++) buffer[i + nh] = c[i * pitch_c + j];
-      analysis_53_col(nh, buffer + nh, buffer, buffer + hh);
-      for (i = 0; i < nh; i++) c[i * pitch_c + j] = buffer[i];
-    }
-  }
-}
-
-void av1_fdwt8x8_uint8_input_c(uint8_t *input, tran_low_t *output, int stride,
-                               int hbd) {
-  dyadic_analyze_53_uint8_input(4, 8, 8, input, stride, output, 8, 2, hbd);
-}
-
-int av1_haar_ac_sad(tran_low_t *output, int bw, int bh, int stride) {
-  int acsad = 0;
-
-  for (int r = 0; r < bh; ++r)
-    for (int c = 0; c < bw; ++c) {
-      if (r >= bh / 2 || c >= bw / 2) acsad += abs(output[r * stride + c]);
-    }
-  return acsad;
-}
-
-uint64_t av1_dct_ac_sad(tran_low_t *output, int bw, int bh, int stride) {
-  uint64_t acsad = 0;
-
-  for (int r = 0; r < bh; ++r)
-    for (int c = 0; c < bw; ++c) {
-      if (r > 0 || c > 0) acsad += abs(output[r * stride + c]);
-    }
-
-  return acsad;
-}
-
-uint32_t av1_variance(uint8_t *input, int bw, int bh, int stride) {
-  int sum = 0;
-  uint32_t sse = 0;
-
-  for (int r = 0; r < bh; ++r)
-    for (int c = 0; c < bw; ++c) {
-      sum += input[r * stride + c];
-      sse += input[r * stride + c] * input[r * stride + c];
-    }
-  return sse - (uint32_t)(((int64_t)sum * sum) / (bw * bh));
-}
-
-int av1_haar_ac_sad_8x8_uint8_input(uint8_t *input, int stride, int hbd) {
-  tran_low_t output[64];
-
-  av1_fdwt8x8_uint8_input_c(input, output, stride, hbd);
-  return av1_haar_ac_sad(output, 8, 8, 8);
-}