chromium/third_party/libvpx/source/libvpx/vpx_dsp/add_noise.c

/*
 *  Copyright (c) 2015 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 <math.h>
#include <stdlib.h>

#include "./vpx_config.h"
#include "./vpx_dsp_rtcd.h"

#include "vpx/vpx_integer.h"
#include "vpx_dsp/postproc.h"
#include "vpx_ports/mem.h"

void vpx_plane_add_noise_c(uint8_t *start, const int8_t *noise, int blackclamp,
                           int whiteclamp, int width, int height, int pitch) { … }

static double gaussian(double sigma, double mu, double x) { … }

int vpx_setup_noise(double sigma, int8_t *noise, int size) { … }