diff options
Diffstat (limited to 'third_party/aom/aom_dsp/psnr.c')
-rw-r--r-- | third_party/aom/aom_dsp/psnr.c | 381 |
1 files changed, 0 insertions, 381 deletions
diff --git a/third_party/aom/aom_dsp/psnr.c b/third_party/aom/aom_dsp/psnr.c deleted file mode 100644 index 50f376a4a..000000000 --- a/third_party/aom/aom_dsp/psnr.c +++ /dev/null @@ -1,381 +0,0 @@ -/* - * 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 "config/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; - } -} - -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, int64_t *sum) { - const uint16_t *a = CONVERT_TO_SHORTPTR(a8); - const uint16_t *b = CONVERT_TO_SHORTPTR(b8); - int64_t tsum = 0; - uint64_t tsse = 0; - for (int i = 0; i < h; ++i) { - int32_t lsum = 0; - for (int j = 0; j < w; ++j) { - const int diff = a[j] - b[j]; - lsum += diff; - tsse += (uint32_t)(diff * diff); - } - tsum += lsum; - a += a_stride; - b += b_stride; - } - *sum = tsum; - *sse = tsse; -} - -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; - int64_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; -} - -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; -} - -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; -} - -int64_t aom_get_y_sse_part(const YV12_BUFFER_CONFIG *a, - const YV12_BUFFER_CONFIG *b, int hstart, int width, - int vstart, int height) { - return get_sse(a->y_buffer + vstart * a->y_stride + hstart, a->y_stride, - b->y_buffer + vstart * b->y_stride + hstart, b->y_stride, - width, height); -} - -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); -} - -int64_t aom_get_u_sse_part(const YV12_BUFFER_CONFIG *a, - const YV12_BUFFER_CONFIG *b, int hstart, int width, - int vstart, int height) { - return get_sse(a->u_buffer + vstart * a->uv_stride + hstart, a->uv_stride, - b->u_buffer + vstart * b->uv_stride + hstart, b->uv_stride, - width, height); -} - -int64_t aom_get_u_sse(const YV12_BUFFER_CONFIG *a, - const YV12_BUFFER_CONFIG *b) { - assert(a->uv_crop_width == b->uv_crop_width); - assert(a->uv_crop_height == b->uv_crop_height); - - return get_sse(a->u_buffer, a->uv_stride, b->u_buffer, b->uv_stride, - a->uv_crop_width, a->uv_crop_height); -} - -int64_t aom_get_v_sse_part(const YV12_BUFFER_CONFIG *a, - const YV12_BUFFER_CONFIG *b, int hstart, int width, - int vstart, int height) { - return get_sse(a->v_buffer + vstart * a->uv_stride + hstart, a->uv_stride, - b->v_buffer + vstart * b->uv_stride + hstart, b->uv_stride, - width, height); -} - -int64_t aom_get_v_sse(const YV12_BUFFER_CONFIG *a, - const YV12_BUFFER_CONFIG *b) { - assert(a->uv_crop_width == b->uv_crop_width); - assert(a->uv_crop_height == b->uv_crop_height); - - return get_sse(a->v_buffer, a->uv_stride, b->v_buffer, b->uv_stride, - a->uv_crop_width, a->uv_crop_height); -} - -int64_t aom_highbd_get_y_sse_part(const YV12_BUFFER_CONFIG *a, - const YV12_BUFFER_CONFIG *b, int hstart, - int width, int vstart, int height) { - return highbd_get_sse( - a->y_buffer + vstart * a->y_stride + hstart, a->y_stride, - b->y_buffer + vstart * b->y_stride + hstart, b->y_stride, width, height); -} - -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); -} - -int64_t aom_highbd_get_u_sse_part(const YV12_BUFFER_CONFIG *a, - const YV12_BUFFER_CONFIG *b, int hstart, - int width, int vstart, int height) { - return highbd_get_sse(a->u_buffer + vstart * a->uv_stride + hstart, - a->uv_stride, - b->u_buffer + vstart * b->uv_stride + hstart, - b->uv_stride, width, height); -} - -int64_t aom_highbd_get_u_sse(const YV12_BUFFER_CONFIG *a, - const YV12_BUFFER_CONFIG *b) { - assert(a->uv_crop_width == b->uv_crop_width); - assert(a->uv_crop_height == b->uv_crop_height); - assert((a->flags & YV12_FLAG_HIGHBITDEPTH) != 0); - assert((b->flags & YV12_FLAG_HIGHBITDEPTH) != 0); - - return highbd_get_sse(a->u_buffer, a->uv_stride, b->u_buffer, b->uv_stride, - a->uv_crop_width, a->uv_crop_height); -} - -int64_t aom_highbd_get_v_sse_part(const YV12_BUFFER_CONFIG *a, - const YV12_BUFFER_CONFIG *b, int hstart, - int width, int vstart, int height) { - return highbd_get_sse(a->v_buffer + vstart * a->uv_stride + hstart, - a->uv_stride, - b->v_buffer + vstart * b->uv_stride + hstart, - b->uv_stride, width, height); -} - -int64_t aom_highbd_get_v_sse(const YV12_BUFFER_CONFIG *a, - const YV12_BUFFER_CONFIG *b) { - assert(a->uv_crop_width == b->uv_crop_width); - assert(a->uv_crop_height == b->uv_crop_height); - assert((a->flags & YV12_FLAG_HIGHBITDEPTH) != 0); - assert((b->flags & YV12_FLAG_HIGHBITDEPTH) != 0); - - return highbd_get_sse(a->v_buffer, a->uv_stride, b->v_buffer, b->uv_stride, - a->uv_crop_width, a->uv_crop_height); -} - -int64_t aom_get_sse_plane(const YV12_BUFFER_CONFIG *a, - const YV12_BUFFER_CONFIG *b, int plane, int highbd) { - if (highbd) { - switch (plane) { - case 0: return aom_highbd_get_y_sse(a, b); - case 1: return aom_highbd_get_u_sse(a, b); - case 2: return aom_highbd_get_v_sse(a, b); - default: assert(plane >= 0 && plane <= 2); return 0; - } - } - switch (plane) { - case 0: return aom_get_y_sse(a, b); - case 1: return aom_get_u_sse(a, b); - case 2: return aom_get_v_sse(a, b); - default: assert(plane >= 0 && plane <= 2); return 0; - } -} - -void aom_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) { - 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 int a_strides[3] = { a->y_stride, a->uv_stride, a->uv_stride }; - 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->buffers[i], a_strides[i], b->buffers[i], - b_strides[i], w, h, input_shift); - } else { - sse = highbd_get_sse(a->buffers[i], a_strides[i], b->buffers[i], - b_strides[i], w, h); - } - } else { - sse = get_sse(a->buffers[i], a_strides[i], b->buffers[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); -} - -void aom_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 int a_strides[3] = { a->y_stride, a->uv_stride, a->uv_stride }; - 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->buffers[i], a_strides[i], b->buffers[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); -} |