66 lines
2.1 KiB
C
66 lines
2.1 KiB
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.
|
|
*/
|
|
|
|
#ifndef VPX_DSP_PSNR_H_
|
|
#define VPX_DSP_PSNR_H_
|
|
|
|
|
|
#include "vpx_scale/yv12config.h"
|
|
|
|
#define MAX_PSNR 100.0
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct {
|
|
double psnr[4]; // total/y/u/v
|
|
uint64_t sse[4]; // total/y/u/v
|
|
uint32_t samples[4]; // total/y/u/v
|
|
} PSNR_STATS;
|
|
|
|
// TODO(dkovalev) change vpx_sse_to_psnr signature: double -> int64_t
|
|
|
|
/*!\brief Converts SSE to PSNR
|
|
*
|
|
* Converts sum of squared errros (SSE) to peak signal-to-noise ratio (PNSR).
|
|
*
|
|
* \param[in] samples Number of samples
|
|
* \param[in] peak Max sample value
|
|
* \param[in] sse Sum of squared errors
|
|
*/
|
|
double vpx_sse_to_psnr(double samples, double peak, double sse);
|
|
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);
|
|
void calc_highbd_psnr(const YV12_BUFFER_CONFIG *a,
|
|
const YV12_BUFFER_CONFIG *b,
|
|
PSNR_STATS *psnr,
|
|
unsigned int bit_depth,
|
|
unsigned int in_bit_depth);
|
|
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);
|
|
#endif
|
|
void calc_psnr(const YV12_BUFFER_CONFIG *a,
|
|
const YV12_BUFFER_CONFIG *b,
|
|
PSNR_STATS *psnr);
|
|
|
|
int64_t highbd_get_sse(const uint8_t *a, int a_stride,
|
|
const uint8_t *b, int b_stride,
|
|
int width, int height);
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif
|
|
#endif // VPX_DSP_PSNR_H_
|