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

/*
 *  Copyright (c) 2016 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 <assert.h>
#include "./vpx_dsp_rtcd.h"
#include "vpx_dsp/psnr.h"
#include "vpx_scale/yv12config.h"

double vpx_sse_to_psnr(double samples, double peak, double sse) { … }

/* TODO(yaowu): The block_variance calls the unoptimized versions of variance()
 * and highbd_8_variance(). It should not.
 */
static int64_t encoder_sse(const uint8_t *a, int a_stride, const uint8_t *b,
                           int b_stride, int w, int h) { … }

#if CONFIG_VP9_HIGHBITDEPTH
static int64_t encoder_highbd_sse(const uint8_t *a8, int a_stride,
                                  const uint8_t *b8, int b_stride, int w,
                                  int h) { … }
#endif  // CONFIG_VP9_HIGHBITDEPTH

static int64_t get_sse(const uint8_t *a, int a_stride, const uint8_t *b,
                       int b_stride, int width, int height) { … }

#if CONFIG_VP9_HIGHBITDEPTH
static int64_t highbd_get_sse_shift(const uint8_t *a8, int a_stride,
                                    const uint8_t *b8, int b_stride, int width,
                                    int height, unsigned int input_shift) { … }

static int64_t highbd_get_sse(const uint8_t *a, int a_stride, const uint8_t *b,
                              int b_stride, int width, int height) { … }
#endif  // CONFIG_VP9_HIGHBITDEPTH

int64_t vpx_get_y_sse(const YV12_BUFFER_CONFIG *a,
                      const YV12_BUFFER_CONFIG *b) { … }

#if CONFIG_VP9_HIGHBITDEPTH
int64_t vpx_highbd_get_y_sse(const YV12_BUFFER_CONFIG *a,
                             const YV12_BUFFER_CONFIG *b) { … }
#endif  // CONFIG_VP9_HIGHBITDEPTH

#if CONFIG_VP9_HIGHBITDEPTH
void vpx_calc_highbd_psnr(const YV12_BUFFER_CONFIG *a,
                          const YV12_BUFFER_CONFIG *b, PSNR_STATS *psnr,
                          uint32_t bit_depth, uint32_t in_bit_depth) { … }

#endif  // !CONFIG_VP9_HIGHBITDEPTH

void vpx_calc_psnr(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b,
                   PSNR_STATS *psnr) { … }