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Import aom library
This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
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trav90
Roy Tam
parent
eb8cd130a8
commit
edc8d83307
989 changed files with 470949 additions and 0 deletions
216
third_party/aom/aom_dsp/x86/highbd_variance_sse4.c
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third_party/aom/aom_dsp/x86/highbd_variance_sse4.c
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/*
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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 <smmintrin.h> /* SSE4.1 */
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#include "./aom_config.h"
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#include "./aom_dsp_rtcd.h"
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#include "aom_dsp/variance.h"
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#include "aom_dsp/aom_filter.h"
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static INLINE void variance4x4_64_sse4_1(const uint8_t *a8, int a_stride,
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const uint8_t *b8, int b_stride,
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uint64_t *sse, int64_t *sum) {
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__m128i u0, u1, u2, u3;
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__m128i s0, s1, s2, s3;
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__m128i t0, t1, x0, y0;
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__m128i a0, a1, a2, a3;
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__m128i b0, b1, b2, b3;
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__m128i k_one_epi16 = _mm_set1_epi16((int16_t)1);
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uint16_t *a = CONVERT_TO_SHORTPTR(a8);
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uint16_t *b = CONVERT_TO_SHORTPTR(b8);
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a0 = _mm_loadl_epi64((__m128i const *)(a + 0 * a_stride));
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a1 = _mm_loadl_epi64((__m128i const *)(a + 1 * a_stride));
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a2 = _mm_loadl_epi64((__m128i const *)(a + 2 * a_stride));
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a3 = _mm_loadl_epi64((__m128i const *)(a + 3 * a_stride));
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b0 = _mm_loadl_epi64((__m128i const *)(b + 0 * b_stride));
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b1 = _mm_loadl_epi64((__m128i const *)(b + 1 * b_stride));
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b2 = _mm_loadl_epi64((__m128i const *)(b + 2 * b_stride));
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b3 = _mm_loadl_epi64((__m128i const *)(b + 3 * b_stride));
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u0 = _mm_unpacklo_epi16(a0, a1);
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u1 = _mm_unpacklo_epi16(a2, a3);
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u2 = _mm_unpacklo_epi16(b0, b1);
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u3 = _mm_unpacklo_epi16(b2, b3);
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s0 = _mm_sub_epi16(u0, u2);
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s1 = _mm_sub_epi16(u1, u3);
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t0 = _mm_madd_epi16(s0, k_one_epi16);
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t1 = _mm_madd_epi16(s1, k_one_epi16);
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s2 = _mm_hadd_epi32(t0, t1);
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s3 = _mm_hadd_epi32(s2, s2);
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y0 = _mm_hadd_epi32(s3, s3);
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t0 = _mm_madd_epi16(s0, s0);
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t1 = _mm_madd_epi16(s1, s1);
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s2 = _mm_hadd_epi32(t0, t1);
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s3 = _mm_hadd_epi32(s2, s2);
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x0 = _mm_hadd_epi32(s3, s3);
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*sse = (uint64_t)_mm_extract_epi32(x0, 0);
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*sum = (int64_t)_mm_extract_epi32(y0, 0);
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}
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uint32_t aom_highbd_8_variance4x4_sse4_1(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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uint32_t *sse) {
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int64_t sum, diff;
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uint64_t local_sse;
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variance4x4_64_sse4_1(a, a_stride, b, b_stride, &local_sse, &sum);
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*sse = (uint32_t)local_sse;
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diff = (int64_t)*sse - ((sum * sum) >> 4);
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return (diff >= 0) ? (uint32_t)diff : 0;
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}
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uint32_t aom_highbd_10_variance4x4_sse4_1(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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uint32_t *sse) {
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int64_t sum, diff;
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uint64_t local_sse;
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variance4x4_64_sse4_1(a, a_stride, b, b_stride, &local_sse, &sum);
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*sse = (uint32_t)ROUND_POWER_OF_TWO(local_sse, 4);
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sum = ROUND_POWER_OF_TWO(sum, 2);
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diff = (int64_t)*sse - ((sum * sum) >> 4);
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return (diff >= 0) ? (uint32_t)diff : 0;
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}
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uint32_t aom_highbd_12_variance4x4_sse4_1(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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uint32_t *sse) {
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int64_t sum, diff;
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uint64_t local_sse;
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variance4x4_64_sse4_1(a, a_stride, b, b_stride, &local_sse, &sum);
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*sse = (uint32_t)ROUND_POWER_OF_TWO(local_sse, 8);
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sum = ROUND_POWER_OF_TWO(sum, 4);
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diff = (int64_t)*sse - ((sum * sum) >> 4);
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return diff >= 0 ? (uint32_t)diff : 0;
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}
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// Sub-pixel
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uint32_t aom_highbd_8_sub_pixel_variance4x4_sse4_1(
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const uint8_t *src, int src_stride, int xoffset, int yoffset,
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const uint8_t *dst, int dst_stride, uint32_t *sse) {
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uint16_t fdata3[(4 + 1) * 4];
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uint16_t temp2[4 * 4];
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aom_highbd_var_filter_block2d_bil_first_pass(
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src, fdata3, src_stride, 1, 4 + 1, 4, bilinear_filters_2t[xoffset]);
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aom_highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, 4, 4, 4, 4,
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bilinear_filters_2t[yoffset]);
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return aom_highbd_8_variance4x4(CONVERT_TO_BYTEPTR(temp2), 4, dst, dst_stride,
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sse);
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}
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uint32_t aom_highbd_10_sub_pixel_variance4x4_sse4_1(
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const uint8_t *src, int src_stride, int xoffset, int yoffset,
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const uint8_t *dst, int dst_stride, uint32_t *sse) {
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uint16_t fdata3[(4 + 1) * 4];
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uint16_t temp2[4 * 4];
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aom_highbd_var_filter_block2d_bil_first_pass(
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src, fdata3, src_stride, 1, 4 + 1, 4, bilinear_filters_2t[xoffset]);
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aom_highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, 4, 4, 4, 4,
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bilinear_filters_2t[yoffset]);
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return aom_highbd_10_variance4x4(CONVERT_TO_BYTEPTR(temp2), 4, dst,
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dst_stride, sse);
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}
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uint32_t aom_highbd_12_sub_pixel_variance4x4_sse4_1(
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const uint8_t *src, int src_stride, int xoffset, int yoffset,
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const uint8_t *dst, int dst_stride, uint32_t *sse) {
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uint16_t fdata3[(4 + 1) * 4];
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uint16_t temp2[4 * 4];
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aom_highbd_var_filter_block2d_bil_first_pass(
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src, fdata3, src_stride, 1, 4 + 1, 4, bilinear_filters_2t[xoffset]);
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aom_highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, 4, 4, 4, 4,
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bilinear_filters_2t[yoffset]);
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return aom_highbd_12_variance4x4(CONVERT_TO_BYTEPTR(temp2), 4, dst,
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dst_stride, sse);
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}
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// Sub-pixel average
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uint32_t aom_highbd_8_sub_pixel_avg_variance4x4_sse4_1(
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const uint8_t *src, int src_stride, int xoffset, int yoffset,
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const uint8_t *dst, int dst_stride, uint32_t *sse,
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const uint8_t *second_pred) {
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uint16_t fdata3[(4 + 1) * 4];
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uint16_t temp2[4 * 4];
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DECLARE_ALIGNED(16, uint16_t, temp3[4 * 4]);
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aom_highbd_var_filter_block2d_bil_first_pass(
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src, fdata3, src_stride, 1, 4 + 1, 4, bilinear_filters_2t[xoffset]);
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aom_highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, 4, 4, 4, 4,
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bilinear_filters_2t[yoffset]);
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aom_highbd_comp_avg_pred(temp3, second_pred, 4, 4, CONVERT_TO_BYTEPTR(temp2),
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4);
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return aom_highbd_8_variance4x4(CONVERT_TO_BYTEPTR(temp3), 4, dst, dst_stride,
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sse);
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}
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uint32_t aom_highbd_10_sub_pixel_avg_variance4x4_sse4_1(
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const uint8_t *src, int src_stride, int xoffset, int yoffset,
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const uint8_t *dst, int dst_stride, uint32_t *sse,
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const uint8_t *second_pred) {
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uint16_t fdata3[(4 + 1) * 4];
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uint16_t temp2[4 * 4];
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DECLARE_ALIGNED(16, uint16_t, temp3[4 * 4]);
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aom_highbd_var_filter_block2d_bil_first_pass(
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src, fdata3, src_stride, 1, 4 + 1, 4, bilinear_filters_2t[xoffset]);
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aom_highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, 4, 4, 4, 4,
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bilinear_filters_2t[yoffset]);
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aom_highbd_comp_avg_pred(temp3, second_pred, 4, 4, CONVERT_TO_BYTEPTR(temp2),
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4);
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return aom_highbd_10_variance4x4(CONVERT_TO_BYTEPTR(temp3), 4, dst,
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dst_stride, sse);
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}
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uint32_t aom_highbd_12_sub_pixel_avg_variance4x4_sse4_1(
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const uint8_t *src, int src_stride, int xoffset, int yoffset,
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const uint8_t *dst, int dst_stride, uint32_t *sse,
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const uint8_t *second_pred) {
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uint16_t fdata3[(4 + 1) * 4];
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uint16_t temp2[4 * 4];
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DECLARE_ALIGNED(16, uint16_t, temp3[4 * 4]);
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aom_highbd_var_filter_block2d_bil_first_pass(
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src, fdata3, src_stride, 1, 4 + 1, 4, bilinear_filters_2t[xoffset]);
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aom_highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, 4, 4, 4, 4,
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bilinear_filters_2t[yoffset]);
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aom_highbd_comp_avg_pred(temp3, second_pred, 4, 4, CONVERT_TO_BYTEPTR(temp2),
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4);
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return aom_highbd_12_variance4x4(CONVERT_TO_BYTEPTR(temp3), 4, dst,
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dst_stride, sse);
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}
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