Commit 35afeab3 authored by Yaowu Xu's avatar Yaowu Xu

Move PSNR related functions to aom_dsp/psnr.c

Ported from libvpx/nextgenv2: 7538501a

Change-Id: Idbab2d08af06d3a9eedeb56c7ac1ba8151b7c7bd
parent 14066c2a
......@@ -34,10 +34,8 @@ API_SRCS-yes += aom_decoder.h
API_SRCS-yes += src/aom_encoder.c
API_SRCS-yes += aom_encoder.h
API_SRCS-yes += internal/aom_codec_internal.h
API_SRCS-yes += internal/aom_psnr.h
API_SRCS-yes += src/aom_codec.c
API_SRCS-yes += src/aom_image.c
API_SRCS-yes += src/aom_psnr.c
API_SRCS-yes += aom_codec.h
API_SRCS-yes += aom_codec.mk
API_SRCS-yes += aom_frame_buffer.h
......
/*
* 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 "aom/internal/aom_psnr.h"
#define MAX_PSNR 100.0
double aom_sse_to_psnr(double samples, double peak, double sse) {
if (sse > 0.0) {
const double psnr = 10.0 * log10(samples * peak * peak / sse);
return psnr > MAX_PSNR ? MAX_PSNR : psnr;
} else {
return MAX_PSNR;
}
}
......@@ -24,6 +24,8 @@ DSP_SRCS-yes += bitwriter.h
DSP_SRCS-yes += bitwriter.c
DSP_SRCS-yes += bitwriter_buffer.c
DSP_SRCS-yes += bitwriter_buffer.h
DSP_SRCS-yes += psnr.c
DSP_SRCS-yes += psnr.h
DSP_SRCS-$(CONFIG_INTERNAL_STATS) += ssim.c
DSP_SRCS-$(CONFIG_INTERNAL_STATS) += ssim.h
DSP_SRCS-$(CONFIG_INTERNAL_STATS) += psnrhvs.c
......
/*
* 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 <assert.h>
#include <math.h>
#include "./aom_dsp_rtcd.h"
#include "aom_dsp/psnr.h"
#include "aom_scale/yv12config.h"
double aom_sse_to_psnr(double samples, double peak, double sse) {
if (sse > 0.0) {
const double psnr = 10.0 * log10(samples * peak * peak / sse);
return psnr > MAX_PSNR ? MAX_PSNR : psnr;
} else {
return MAX_PSNR;
}
}
/* TODO(yaowu): The block_variance calls the unoptimized versions of variance()
* and highbd_8_variance(). It should not.
*/
static void encoder_variance(const uint8_t *a, int a_stride, const uint8_t *b,
int b_stride, int w, int h, unsigned int *sse,
int *sum) {
int i, j;
*sum = 0;
*sse = 0;
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
const int diff = a[j] - b[j];
*sum += diff;
*sse += diff * diff;
}
a += a_stride;
b += b_stride;
}
}
#if CONFIG_AOM_HIGHBITDEPTH
static void encoder_highbd_variance64(const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, int w,
int h, uint64_t *sse, uint64_t *sum) {
int i, j;
uint16_t *a = CONVERT_TO_SHORTPTR(a8);
uint16_t *b = CONVERT_TO_SHORTPTR(b8);
*sum = 0;
*sse = 0;
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
const int diff = a[j] - b[j];
*sum += diff;
*sse += diff * diff;
}
a += a_stride;
b += b_stride;
}
}
static void encoder_highbd_8_variance(const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, int w,
int h, unsigned int *sse, int *sum) {
uint64_t sse_long = 0;
uint64_t sum_long = 0;
encoder_highbd_variance64(a8, a_stride, b8, b_stride, w, h, &sse_long,
&sum_long);
*sse = (unsigned int)sse_long;
*sum = (int)sum_long;
}
#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) {
const int dw = width % 16;
const int dh = height % 16;
int64_t total_sse = 0;
unsigned int sse = 0;
int sum = 0;
int x, y;
if (dw > 0) {
encoder_variance(&a[width - dw], a_stride, &b[width - dw], b_stride, dw,
height, &sse, &sum);
total_sse += sse;
}
if (dh > 0) {
encoder_variance(&a[(height - dh) * a_stride], a_stride,
&b[(height - dh) * b_stride], b_stride, width - dw, dh,
&sse, &sum);
total_sse += sse;
}
for (y = 0; y < height / 16; ++y) {
const uint8_t *pa = a;
const uint8_t *pb = b;
for (x = 0; x < width / 16; ++x) {
aom_mse16x16(pa, a_stride, pb, b_stride, &sse);
total_sse += sse;
pa += 16;
pb += 16;
}
a += 16 * a_stride;
b += 16 * b_stride;
}
return total_sse;
}
#if CONFIG_AOM_HIGHBITDEPTH
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) {
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
int64_t total_sse = 0;
int x, y;
for (y = 0; y < height; ++y) {
for (x = 0; x < width; ++x) {
int64_t diff;
diff = (a[x] >> input_shift) - (b[x] >> input_shift);
total_sse += diff * diff;
}
a += a_stride;
b += b_stride;
}
return total_sse;
}
int64_t highbd_get_sse(const uint8_t *a, int a_stride, const uint8_t *b,
int b_stride, int width, int height) {
int64_t total_sse = 0;
int x, y;
const int dw = width % 16;
const int dh = height % 16;
unsigned int sse = 0;
int sum = 0;
if (dw > 0) {
encoder_highbd_8_variance(&a[width - dw], a_stride, &b[width - dw],
b_stride, dw, height, &sse, &sum);
total_sse += sse;
}
if (dh > 0) {
encoder_highbd_8_variance(&a[(height - dh) * a_stride], a_stride,
&b[(height - dh) * b_stride], b_stride,
width - dw, dh, &sse, &sum);
total_sse += sse;
}
for (y = 0; y < height / 16; ++y) {
const uint8_t *pa = a;
const uint8_t *pb = b;
for (x = 0; x < width / 16; ++x) {
aom_highbd_8_mse16x16(pa, a_stride, pb, b_stride, &sse);
total_sse += sse;
pa += 16;
pb += 16;
}
a += 16 * a_stride;
b += 16 * b_stride;
}
return total_sse;
}
#endif // CONFIG_AOM_HIGHBITDEPTH
int64_t aom_get_y_sse(const YV12_BUFFER_CONFIG *a,
const YV12_BUFFER_CONFIG *b) {
assert(a->y_crop_width == b->y_crop_width);
assert(a->y_crop_height == b->y_crop_height);
return get_sse(a->y_buffer, a->y_stride, b->y_buffer, b->y_stride,
a->y_crop_width, a->y_crop_height);
}
#if CONFIG_AOM_HIGHBITDEPTH
int64_t aom_highbd_get_y_sse(const YV12_BUFFER_CONFIG *a,
const YV12_BUFFER_CONFIG *b) {
assert(a->y_crop_width == b->y_crop_width);
assert(a->y_crop_height == b->y_crop_height);
assert((a->flags & YV12_FLAG_HIGHBITDEPTH) != 0);
assert((b->flags & YV12_FLAG_HIGHBITDEPTH) != 0);
return highbd_get_sse(a->y_buffer, a->y_stride, b->y_buffer, b->y_stride,
a->y_crop_width, a->y_crop_height);
}
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) {
const int widths[3] = {a->y_crop_width, a->uv_crop_width, a->uv_crop_width};
const int heights[3] = {a->y_crop_height, a->uv_crop_height,
a->uv_crop_height};
const uint8_t *a_planes[3] = {a->y_buffer, a->u_buffer, a->v_buffer};
const int a_strides[3] = {a->y_stride, a->uv_stride, a->uv_stride};
const uint8_t *b_planes[3] = {b->y_buffer, b->u_buffer, b->v_buffer};
const int b_strides[3] = {b->y_stride, b->uv_stride, b->uv_stride};
int i;
uint64_t total_sse = 0;
uint32_t total_samples = 0;
const double peak = (double)((1 << in_bit_depth) - 1);
const unsigned int input_shift = bit_depth - in_bit_depth;
for (i = 0; i < 3; ++i) {
const int w = widths[i];
const int h = heights[i];
const uint32_t samples = w * h;
uint64_t sse;
if (a->flags & YV12_FLAG_HIGHBITDEPTH) {
if (input_shift) {
sse = highbd_get_sse_shift(a_planes[i], a_strides[i], b_planes[i],
b_strides[i], w, h, input_shift);
} else {
sse = highbd_get_sse(a_planes[i], a_strides[i], b_planes[i],
b_strides[i], w, h);
}
} else {
sse = get_sse(a_planes[i], a_strides[i], b_planes[i], b_strides[i], w, h);
}
psnr->sse[1 + i] = sse;
psnr->samples[1 + i] = samples;
psnr->psnr[1 + i] = aom_sse_to_psnr(samples, peak, (double)sse);
total_sse += sse;
total_samples += samples;
}
psnr->sse[0] = total_sse;
psnr->samples[0] = total_samples;
psnr->psnr[0] =
aom_sse_to_psnr((double)total_samples, peak, (double)total_sse);
}
#else // !CONFIG_AOM_HIGHBITDEPTH
void calc_psnr(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b,
PSNR_STATS *psnr) {
static const double peak = 255.0;
const int widths[3] = {a->y_crop_width, a->uv_crop_width, a->uv_crop_width};
const int heights[3] = {a->y_crop_height, a->uv_crop_height,
a->uv_crop_height};
const uint8_t *a_planes[3] = {a->y_buffer, a->u_buffer, a->v_buffer};
const int a_strides[3] = {a->y_stride, a->uv_stride, a->uv_stride};
const uint8_t *b_planes[3] = {b->y_buffer, b->u_buffer, b->v_buffer};
const int b_strides[3] = {b->y_stride, b->uv_stride, b->uv_stride};
int i;
uint64_t total_sse = 0;
uint32_t total_samples = 0;
for (i = 0; i < 3; ++i) {
const int w = widths[i];
const int h = heights[i];
const uint32_t samples = w * h;
const uint64_t sse =
get_sse(a_planes[i], a_strides[i], b_planes[i], b_strides[i], w, h);
psnr->sse[1 + i] = sse;
psnr->samples[1 + i] = samples;
psnr->psnr[1 + i] = aom_sse_to_psnr(samples, peak, (double)sse);
total_sse += sse;
total_samples += samples;
}
psnr->sse[0] = total_sse;
psnr->samples[0] = total_samples;
psnr->psnr[0] =
aom_sse_to_psnr((double)total_samples, peak, (double)total_sse);
}
#endif // CONFIG_AOM_HIGHBITDEPTH
......@@ -9,27 +9,49 @@
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#ifndef AOM_INTERNAL_AOM_PSNR_H_
#define AOM_INTERNAL_AOM_PSNR_H_
#ifndef AOM_DSP_PSNR_H_
#define AOM_DSP_PSNR_H_
#include "aom_scale/yv12config.h"
#define MAX_PSNR 100.0
#ifdef __cplusplus
extern "C" {
#endif
// TODO(dkovalev) change aom_sse_to_psnr signature: double -> int64_t
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;
/*!\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
*/
*
* 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 aom_sse_to_psnr(double samples, double peak, double sse);
int64_t aom_get_y_sse(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b);
#if CONFIG_AOM_HIGHBITDEPTH
int64_t aom_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);
#else
void calc_psnr(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b,
PSNR_STATS *psnr);
#endif
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 // AOM_INTERNAL_AOM_PSNR_H_
#endif // AOM_DSP_PSNR_H_
\ No newline at end of file
......@@ -19,6 +19,7 @@
#include "./aom_config.h"
#include "./aom_dsp_rtcd.h"
#include "aom_dsp/psnr.h"
#include "aom_dsp/ssim.h"
#include "aom_ports/system_state.h"
......
......@@ -12,7 +12,6 @@
#ifndef AOM_DSP_SSIM_H_
#define AOM_DSP_SSIM_H_
#define MAX_PSNR 100.0;
#define MAX_SSIM_DB 100.0;
#ifdef __cplusplus
......
......@@ -48,10 +48,10 @@
#include "av1/encoder/speed_features.h"
#include "av1/encoder/temporal_filter.h"
#include "./av1_rtcd.h"
#include "./aom_dsp_rtcd.h"
#include "./aom_scale_rtcd.h"
#include "aom/internal/aom_psnr.h"
#include "./av1_rtcd.h"
#include "aom_dsp/psnr.h"
#if CONFIG_INTERNAL_STATS
#include "aom_dsp/ssim.h"
#endif
......@@ -1851,249 +1851,6 @@ void av1_remove_compressor(AV1_COMP *cpi) {
#endif
}
/* TODO(yaowu): The block_variance calls the unoptimized versions of variance()
* and highbd_8_variance(). It should not.
*/
static void encoder_variance(const uint8_t *a, int a_stride, const uint8_t *b,
int b_stride, int w, int h, unsigned int *sse,
int *sum) {
int i, j;
*sum = 0;
*sse = 0;
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
const int diff = a[j] - b[j];
*sum += diff;
*sse += diff * diff;
}
a += a_stride;
b += b_stride;
}
}
#if CONFIG_AOM_HIGHBITDEPTH
static void encoder_highbd_variance64(const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, int w,
int h, uint64_t *sse, uint64_t *sum) {
int i, j;
uint16_t *a = CONVERT_TO_SHORTPTR(a8);
uint16_t *b = CONVERT_TO_SHORTPTR(b8);
*sum = 0;
*sse = 0;
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
const int diff = a[j] - b[j];
*sum += diff;
*sse += diff * diff;
}
a += a_stride;
b += b_stride;
}
}
static void encoder_highbd_8_variance(const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, int w,
int h, unsigned int *sse, int *sum) {
uint64_t sse_long = 0;
uint64_t sum_long = 0;
encoder_highbd_variance64(a8, a_stride, b8, b_stride, w, h, &sse_long,
&sum_long);
*sse = (unsigned int)sse_long;
*sum = (int)sum_long;
}
#endif // CONFIG_AOM_HIGHBITDEPTH
static int64_t get_sse(const uint8_t *a, int a_stride, const uint8_t *b,
int b_stride, int width, int height) {
const int dw = width % 16;
const int dh = height % 16;
int64_t total_sse = 0;
unsigned int sse = 0;
int sum = 0;
int x, y;
if (dw > 0) {
encoder_variance(&a[width - dw], a_stride, &b[width - dw], b_stride, dw,
height, &sse, &sum);
total_sse += sse;
}
if (dh > 0) {
encoder_variance(&a[(height - dh) * a_stride], a_stride,
&b[(height - dh) * b_stride], b_stride, width - dw, dh,
&sse, &sum);
total_sse += sse;
}
for (y = 0; y < height / 16; ++y) {
const uint8_t *pa = a;
const uint8_t *pb = b;
for (x = 0; x < width / 16; ++x) {
aom_mse16x16(pa, a_stride, pb, b_stride, &sse);
total_sse += sse;
pa += 16;
pb += 16;
}
a += 16 * a_stride;
b += 16 * b_stride;
}
return total_sse;
}
#if CONFIG_AOM_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) {
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
int64_t total_sse = 0;
int x, y;
for (y = 0; y < height; ++y) {
for (x = 0; x < width; ++x) {
int64_t diff;
diff = (a[x] >> input_shift) - (b[x] >> input_shift);
total_sse += diff * diff;
}
a += a_stride;
b += b_stride;
}
return total_sse;
}
static int64_t highbd_get_sse(const uint8_t *a, int a_stride, const uint8_t *b,
int b_stride, int width, int height) {
int64_t total_sse = 0;
int x, y;
const int dw = width % 16;
const int dh = height % 16;
unsigned int sse = 0;
int sum = 0;
if (dw > 0) {
encoder_highbd_8_variance(&a[width - dw], a_stride, &b[width - dw],
b_stride, dw, height, &sse, &sum);
total_sse += sse;
}
if (dh > 0) {
encoder_highbd_8_variance(&a[(height - dh) * a_stride], a_stride,
&b[(height - dh) * b_stride], b_stride,
width - dw, dh, &sse, &sum);
total_sse += sse;
}
for (y = 0; y < height / 16; ++y) {
const uint8_t *pa = a;
const uint8_t *pb = b;
for (x = 0; x < width / 16; ++x) {
aom_highbd_8_mse16x16(pa, a_stride, pb, b_stride, &sse);
total_sse += sse;
pa += 16;
pb += 16;
}
a += 16 * a_stride;
b += 16 * b_stride;
}
return total_sse;
}
#endif // CONFIG_AOM_HIGHBITDEPTH
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;
#if CONFIG_AOM_HIGHBITDEPTH
static 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) {
const int widths[3] = { a->y_crop_width, a->uv_crop_width, a->uv_crop_width };
const int heights[3] = { a->y_crop_height, a->uv_crop_height,
a->uv_crop_height };
const uint8_t *a_planes[3] = { a->y_buffer, a->u_buffer, a->v_buffer };
const int a_strides[3] = { a->y_stride, a->uv_stride, a->uv_stride };
const uint8_t *b_planes[3] = { b->y_buffer, b->u_buffer, b->v_buffer };
const int b_strides[3] = { b->y_stride, b->uv_stride, b->uv_stride };
int i;
uint64_t total_sse = 0;
uint32_t total_samples = 0;
const double peak = (double)((1 << in_bit_depth) - 1);
const unsigned int input_shift = bit_depth - in_bit_depth;
for (i = 0; i < 3; ++i) {