68 lines
2.7 KiB
C
68 lines
2.7 KiB
C
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef AOM_DSP_PSNR_H_
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#define AOM_DSP_PSNR_H_
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#include "aom_scale/yv12config.h"
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#define MAX_PSNR 100.0
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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double psnr[4]; // total/y/u/v
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uint64_t sse[4]; // total/y/u/v
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uint32_t samples[4]; // total/y/u/v
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} PSNR_STATS;
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/*!\brief Converts SSE to PSNR
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*
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* Converts sum of squared errros (SSE) to peak signal-to-noise ratio (PNSR).
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*
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* \param[in] samples Number of samples
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* \param[in] peak Max sample value
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* \param[in] sse Sum of squared errors
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*/
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double aom_sse_to_psnr(double samples, double peak, double sse);
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int64_t aom_get_y_sse_part(const YV12_BUFFER_CONFIG *a,
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const YV12_BUFFER_CONFIG *b, int hstart, int width,
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int vstart, int height);
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int64_t aom_get_y_sse(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b);
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int64_t aom_get_u_sse(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b);
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int64_t aom_get_v_sse(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b);
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#if CONFIG_AOM_HIGHBITDEPTH
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int64_t aom_highbd_get_y_sse_part(const YV12_BUFFER_CONFIG *a,
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const YV12_BUFFER_CONFIG *b, int hstart,
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int width, int vstart, int height);
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int64_t aom_highbd_get_y_sse(const YV12_BUFFER_CONFIG *a,
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const YV12_BUFFER_CONFIG *b);
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int64_t aom_highbd_get_u_sse(const YV12_BUFFER_CONFIG *a,
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const YV12_BUFFER_CONFIG *b);
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int64_t aom_highbd_get_v_sse(const YV12_BUFFER_CONFIG *a,
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const YV12_BUFFER_CONFIG *b);
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void aom_calc_highbd_psnr(const YV12_BUFFER_CONFIG *a,
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const YV12_BUFFER_CONFIG *b, PSNR_STATS *psnr,
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unsigned int bit_depth, unsigned int in_bit_depth);
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#endif
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void aom_calc_psnr(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b,
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PSNR_STATS *psnr);
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double aom_psnrhvs(const YV12_BUFFER_CONFIG *source,
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const YV12_BUFFER_CONFIG *dest, double *phvs_y,
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double *phvs_u, double *phvs_v, uint32_t bd, uint32_t in_bd);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // AOM_DSP_PSNR_H_
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