1 files changed, 0 insertions, 73 deletions
diff --git a/media/libaom/src/aom_dsp/add_noise.c b/media/libaom/src/aom_dsp/add_noise.c
deleted file mode 100644
index bfb3e7e00..000000000
--- a/media/libaom/src/aom_dsp/add_noise.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (c) 2016, 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 <math.h>
-#include <stdlib.h>
-
-#include "config/aom_config.h"
-#include "config/aom_dsp_rtcd.h"
-
-#include "aom/aom_integer.h"
-#include "aom_ports/mem.h"
-
-void aom_plane_add_noise_c(uint8_t *start, char *noise, char blackclamp[16],
-                           char whiteclamp[16], char bothclamp[16],
-                           unsigned int width, unsigned int height, int pitch) {
-  unsigned int i, j;
-
-  for (i = 0; i < height; ++i) {
-    uint8_t *pos = start + i * pitch;
-    char *ref = (char *)(noise + (rand() & 0xff));  // NOLINT
-
-    for (j = 0; j < width; ++j) {
-      int v = pos[j];
-
-      v = clamp(v - blackclamp[0], 0, 255);
-      v = clamp(v + bothclamp[0], 0, 255);
-      v = clamp(v - whiteclamp[0], 0, 255);
-
-      pos[j] = v + ref[j];
-    }
-  }
-}
-
-static double gaussian(double sigma, double mu, double x) {
-  return 1 / (sigma * sqrt(2.0 * 3.14159265)) *
-         (exp(-(x - mu) * (x - mu) / (2 * sigma * sigma)));
-}
-
-int aom_setup_noise(double sigma, int size, char *noise) {
-  char char_dist[256];
-  int next = 0, i, j;
-
-  // set up a 256 entry lookup that matches gaussian distribution
-  for (i = -32; i < 32; ++i) {
-    const int a_i = (int)(0.5 + 256 * gaussian(sigma, 0, i));
-    if (a_i) {
-      for (j = 0; j < a_i; ++j) {
-        char_dist[next + j] = (char)i;
-      }
-      next = next + j;
-    }
-  }
-
-  // Rounding error - might mean we have less than 256.
-  for (; next < 256; ++next) {
-    char_dist[next] = 0;
-  }
-
-  for (i = 0; i < size; ++i) {
-    noise[i] = char_dist[rand() & 0xff];  // NOLINT
-  }
-
-  // Returns the highest non 0 value used in distribution.
-  return -char_dist[0];
-}