193 строки
7.1 KiB
C
193 строки
7.1 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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#include <immintrin.h>
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#include "./aom_dsp_rtcd.h"
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typedef void (*get_var_avx2)(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse, int *sum);
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void aom_get32x32var_avx2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride, unsigned int *sse,
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int *sum);
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static void variance_avx2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride, int w, int h,
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unsigned int *sse, int *sum, get_var_avx2 var_fn,
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int block_size) {
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int i, j;
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*sse = 0;
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*sum = 0;
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for (i = 0; i < h; i += 16) {
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for (j = 0; j < w; j += block_size) {
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unsigned int sse0;
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int sum0;
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var_fn(&src[src_stride * i + j], src_stride, &ref[ref_stride * i + j],
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ref_stride, &sse0, &sum0);
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*sse += sse0;
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*sum += sum0;
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}
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}
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}
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unsigned int aom_variance16x16_avx2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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unsigned int variance;
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variance_avx2(src, src_stride, ref, ref_stride, 16, 16, sse, &sum,
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aom_get16x16var_avx2, 16);
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variance = *sse - (((uint32_t)((int64_t)sum * sum)) >> 8);
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_mm256_zeroupper();
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return variance;
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}
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unsigned int aom_mse16x16_avx2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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aom_get16x16var_avx2(src, src_stride, ref, ref_stride, sse, &sum);
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_mm256_zeroupper();
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return *sse;
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}
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unsigned int aom_variance32x16_avx2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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unsigned int variance;
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variance_avx2(src, src_stride, ref, ref_stride, 32, 16, sse, &sum,
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aom_get32x32var_avx2, 32);
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variance = *sse - (uint32_t)(((int64_t)sum * sum) >> 9);
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_mm256_zeroupper();
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return variance;
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}
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unsigned int aom_variance32x32_avx2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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unsigned int variance;
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variance_avx2(src, src_stride, ref, ref_stride, 32, 32, sse, &sum,
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aom_get32x32var_avx2, 32);
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variance = *sse - (uint32_t)(((int64_t)sum * sum) >> 10);
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_mm256_zeroupper();
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return variance;
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}
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unsigned int aom_variance64x64_avx2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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unsigned int variance;
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variance_avx2(src, src_stride, ref, ref_stride, 64, 64, sse, &sum,
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aom_get32x32var_avx2, 32);
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variance = *sse - (uint32_t)(((int64_t)sum * sum) >> 12);
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_mm256_zeroupper();
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return variance;
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}
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unsigned int aom_variance64x32_avx2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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unsigned int variance;
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variance_avx2(src, src_stride, ref, ref_stride, 64, 32, sse, &sum,
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aom_get32x32var_avx2, 32);
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variance = *sse - (uint32_t)(((int64_t)sum * sum) >> 11);
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_mm256_zeroupper();
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return variance;
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}
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unsigned int aom_sub_pixel_variance32xh_avx2(const uint8_t *src, int src_stride,
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int x_offset, int y_offset,
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const uint8_t *dst, int dst_stride,
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int height, unsigned int *sse);
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unsigned int aom_sub_pixel_avg_variance32xh_avx2(
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const uint8_t *src, int src_stride, int x_offset, int y_offset,
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const uint8_t *dst, int dst_stride, const uint8_t *sec, int sec_stride,
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int height, unsigned int *sseptr);
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unsigned int aom_sub_pixel_variance64x64_avx2(const uint8_t *src,
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int src_stride, int x_offset,
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int y_offset, const uint8_t *dst,
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int dst_stride,
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unsigned int *sse) {
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unsigned int sse1;
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const int se1 = aom_sub_pixel_variance32xh_avx2(
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src, src_stride, x_offset, y_offset, dst, dst_stride, 64, &sse1);
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unsigned int sse2;
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const int se2 =
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aom_sub_pixel_variance32xh_avx2(src + 32, src_stride, x_offset, y_offset,
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dst + 32, dst_stride, 64, &sse2);
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const int se = se1 + se2;
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unsigned int variance;
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*sse = sse1 + sse2;
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variance = *sse - (uint32_t)(((int64_t)se * se) >> 12);
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_mm256_zeroupper();
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return variance;
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}
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unsigned int aom_sub_pixel_variance32x32_avx2(const uint8_t *src,
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int src_stride, int x_offset,
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int y_offset, const uint8_t *dst,
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int dst_stride,
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unsigned int *sse) {
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const int se = aom_sub_pixel_variance32xh_avx2(
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src, src_stride, x_offset, y_offset, dst, dst_stride, 32, sse);
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const unsigned int variance = *sse - (uint32_t)(((int64_t)se * se) >> 10);
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_mm256_zeroupper();
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return variance;
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}
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unsigned int aom_sub_pixel_avg_variance64x64_avx2(
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const uint8_t *src, int src_stride, int x_offset, int y_offset,
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const uint8_t *dst, int dst_stride, unsigned int *sse, const uint8_t *sec) {
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unsigned int sse1;
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const int se1 = aom_sub_pixel_avg_variance32xh_avx2(
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src, src_stride, x_offset, y_offset, dst, dst_stride, sec, 64, 64, &sse1);
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unsigned int sse2;
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const int se2 = aom_sub_pixel_avg_variance32xh_avx2(
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src + 32, src_stride, x_offset, y_offset, dst + 32, dst_stride, sec + 32,
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64, 64, &sse2);
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const int se = se1 + se2;
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unsigned int variance;
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*sse = sse1 + sse2;
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variance = *sse - (uint32_t)(((int64_t)se * se) >> 12);
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_mm256_zeroupper();
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return variance;
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}
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unsigned int aom_sub_pixel_avg_variance32x32_avx2(
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const uint8_t *src, int src_stride, int x_offset, int y_offset,
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const uint8_t *dst, int dst_stride, unsigned int *sse, const uint8_t *sec) {
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// Process 32 elements in parallel.
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const int se = aom_sub_pixel_avg_variance32xh_avx2(
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src, src_stride, x_offset, y_offset, dst, dst_stride, sec, 32, 32, sse);
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const unsigned int variance = *sse - (uint32_t)(((int64_t)se * se) >> 10);
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_mm256_zeroupper();
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return variance;
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}
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