622 строки
24 KiB
C
622 строки
24 KiB
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 <immintrin.h>
|
|
|
|
#include "./av1_rtcd.h"
|
|
#include "./aom_config.h"
|
|
#include "av1/common/av1_inv_txfm1d_cfg.h"
|
|
|
|
// Note:
|
|
// Total 32x4 registers to represent 32x32 block coefficients.
|
|
// For high bit depth, each coefficient is 4-byte.
|
|
// Each __m256i register holds 8 coefficients.
|
|
// So each "row" we needs 4 register. Totally 32 rows
|
|
// Register layout:
|
|
// v0, v1, v2, v3,
|
|
// v4, v5, v6, v7,
|
|
// ... ...
|
|
// v124, v125, v126, v127
|
|
|
|
static void transpose_32x32_8x8(const __m256i *in, __m256i *out) {
|
|
__m256i u0, u1, u2, u3, u4, u5, u6, u7;
|
|
__m256i x0, x1;
|
|
|
|
u0 = _mm256_unpacklo_epi32(in[0], in[4]);
|
|
u1 = _mm256_unpackhi_epi32(in[0], in[4]);
|
|
|
|
u2 = _mm256_unpacklo_epi32(in[8], in[12]);
|
|
u3 = _mm256_unpackhi_epi32(in[8], in[12]);
|
|
|
|
u4 = _mm256_unpacklo_epi32(in[16], in[20]);
|
|
u5 = _mm256_unpackhi_epi32(in[16], in[20]);
|
|
|
|
u6 = _mm256_unpacklo_epi32(in[24], in[28]);
|
|
u7 = _mm256_unpackhi_epi32(in[24], in[28]);
|
|
|
|
x0 = _mm256_unpacklo_epi64(u0, u2);
|
|
x1 = _mm256_unpacklo_epi64(u4, u6);
|
|
out[0] = _mm256_permute2f128_si256(x0, x1, 0x20);
|
|
out[16] = _mm256_permute2f128_si256(x0, x1, 0x31);
|
|
|
|
x0 = _mm256_unpackhi_epi64(u0, u2);
|
|
x1 = _mm256_unpackhi_epi64(u4, u6);
|
|
out[4] = _mm256_permute2f128_si256(x0, x1, 0x20);
|
|
out[20] = _mm256_permute2f128_si256(x0, x1, 0x31);
|
|
|
|
x0 = _mm256_unpacklo_epi64(u1, u3);
|
|
x1 = _mm256_unpacklo_epi64(u5, u7);
|
|
out[8] = _mm256_permute2f128_si256(x0, x1, 0x20);
|
|
out[24] = _mm256_permute2f128_si256(x0, x1, 0x31);
|
|
|
|
x0 = _mm256_unpackhi_epi64(u1, u3);
|
|
x1 = _mm256_unpackhi_epi64(u5, u7);
|
|
out[12] = _mm256_permute2f128_si256(x0, x1, 0x20);
|
|
out[28] = _mm256_permute2f128_si256(x0, x1, 0x31);
|
|
}
|
|
|
|
static void transpose_32x32_16x16(const __m256i *in, __m256i *out) {
|
|
transpose_32x32_8x8(&in[0], &out[0]);
|
|
transpose_32x32_8x8(&in[1], &out[32]);
|
|
transpose_32x32_8x8(&in[32], &out[1]);
|
|
transpose_32x32_8x8(&in[33], &out[33]);
|
|
}
|
|
|
|
static void transpose_32x32(const __m256i *in, __m256i *out) {
|
|
transpose_32x32_16x16(&in[0], &out[0]);
|
|
transpose_32x32_16x16(&in[2], &out[64]);
|
|
transpose_32x32_16x16(&in[64], &out[2]);
|
|
transpose_32x32_16x16(&in[66], &out[66]);
|
|
}
|
|
|
|
static void load_buffer_32x32(const int32_t *coeff, __m256i *in) {
|
|
int i;
|
|
for (i = 0; i < 128; ++i) {
|
|
in[i] = _mm256_loadu_si256((const __m256i *)coeff);
|
|
coeff += 8;
|
|
}
|
|
}
|
|
|
|
static void round_shift_32x32(__m256i *in, int shift) {
|
|
__m256i rnding = _mm256_set1_epi32(1 << (shift - 1));
|
|
int i = 0;
|
|
|
|
while (i < 128) {
|
|
in[i] = _mm256_add_epi32(in[i], rnding);
|
|
in[i] = _mm256_srai_epi32(in[i], shift);
|
|
i++;
|
|
}
|
|
}
|
|
|
|
static __m256i highbd_clamp_epi32(__m256i x, int bd) {
|
|
const __m256i zero = _mm256_setzero_si256();
|
|
const __m256i one = _mm256_set1_epi16(1);
|
|
const __m256i max = _mm256_sub_epi16(_mm256_slli_epi16(one, bd), one);
|
|
__m256i clamped, mask;
|
|
|
|
mask = _mm256_cmpgt_epi16(x, max);
|
|
clamped = _mm256_andnot_si256(mask, x);
|
|
mask = _mm256_and_si256(mask, max);
|
|
clamped = _mm256_or_si256(mask, clamped);
|
|
mask = _mm256_cmpgt_epi16(clamped, zero);
|
|
clamped = _mm256_and_si256(clamped, mask);
|
|
|
|
return clamped;
|
|
}
|
|
|
|
static void write_buffer_32x32(__m256i *in, uint16_t *output, int stride,
|
|
int fliplr, int flipud, int shift, int bd) {
|
|
__m256i u0, u1, x0, x1, x2, x3, v0, v1, v2, v3;
|
|
const __m256i zero = _mm256_setzero_si256();
|
|
int i = 0;
|
|
(void)fliplr;
|
|
(void)flipud;
|
|
|
|
round_shift_32x32(in, shift);
|
|
|
|
while (i < 128) {
|
|
u0 = _mm256_loadu_si256((const __m256i *)output);
|
|
u1 = _mm256_loadu_si256((const __m256i *)(output + 16));
|
|
|
|
x0 = _mm256_unpacklo_epi16(u0, zero);
|
|
x1 = _mm256_unpackhi_epi16(u0, zero);
|
|
x2 = _mm256_unpacklo_epi16(u1, zero);
|
|
x3 = _mm256_unpackhi_epi16(u1, zero);
|
|
|
|
v0 = _mm256_permute2f128_si256(in[i], in[i + 1], 0x20);
|
|
v1 = _mm256_permute2f128_si256(in[i], in[i + 1], 0x31);
|
|
v2 = _mm256_permute2f128_si256(in[i + 2], in[i + 3], 0x20);
|
|
v3 = _mm256_permute2f128_si256(in[i + 2], in[i + 3], 0x31);
|
|
|
|
v0 = _mm256_add_epi32(v0, x0);
|
|
v1 = _mm256_add_epi32(v1, x1);
|
|
v2 = _mm256_add_epi32(v2, x2);
|
|
v3 = _mm256_add_epi32(v3, x3);
|
|
|
|
v0 = _mm256_packus_epi32(v0, v1);
|
|
v2 = _mm256_packus_epi32(v2, v3);
|
|
|
|
v0 = highbd_clamp_epi32(v0, bd);
|
|
v2 = highbd_clamp_epi32(v2, bd);
|
|
|
|
_mm256_storeu_si256((__m256i *)output, v0);
|
|
_mm256_storeu_si256((__m256i *)(output + 16), v2);
|
|
output += stride;
|
|
i += 4;
|
|
}
|
|
}
|
|
|
|
static INLINE __m256i half_btf_avx2(const __m256i *w0, const __m256i *n0,
|
|
const __m256i *w1, const __m256i *n1,
|
|
const __m256i *rounding, int bit) {
|
|
__m256i x, y;
|
|
|
|
x = _mm256_mullo_epi32(*w0, *n0);
|
|
y = _mm256_mullo_epi32(*w1, *n1);
|
|
x = _mm256_add_epi32(x, y);
|
|
x = _mm256_add_epi32(x, *rounding);
|
|
x = _mm256_srai_epi32(x, bit);
|
|
return x;
|
|
}
|
|
|
|
static void idct32_avx2(__m256i *in, __m256i *out, int bit) {
|
|
const int32_t *cospi = cospi_arr(bit);
|
|
const __m256i cospi62 = _mm256_set1_epi32(cospi[62]);
|
|
const __m256i cospi30 = _mm256_set1_epi32(cospi[30]);
|
|
const __m256i cospi46 = _mm256_set1_epi32(cospi[46]);
|
|
const __m256i cospi14 = _mm256_set1_epi32(cospi[14]);
|
|
const __m256i cospi54 = _mm256_set1_epi32(cospi[54]);
|
|
const __m256i cospi22 = _mm256_set1_epi32(cospi[22]);
|
|
const __m256i cospi38 = _mm256_set1_epi32(cospi[38]);
|
|
const __m256i cospi6 = _mm256_set1_epi32(cospi[6]);
|
|
const __m256i cospi58 = _mm256_set1_epi32(cospi[58]);
|
|
const __m256i cospi26 = _mm256_set1_epi32(cospi[26]);
|
|
const __m256i cospi42 = _mm256_set1_epi32(cospi[42]);
|
|
const __m256i cospi10 = _mm256_set1_epi32(cospi[10]);
|
|
const __m256i cospi50 = _mm256_set1_epi32(cospi[50]);
|
|
const __m256i cospi18 = _mm256_set1_epi32(cospi[18]);
|
|
const __m256i cospi34 = _mm256_set1_epi32(cospi[34]);
|
|
const __m256i cospi2 = _mm256_set1_epi32(cospi[2]);
|
|
const __m256i cospim58 = _mm256_set1_epi32(-cospi[58]);
|
|
const __m256i cospim26 = _mm256_set1_epi32(-cospi[26]);
|
|
const __m256i cospim42 = _mm256_set1_epi32(-cospi[42]);
|
|
const __m256i cospim10 = _mm256_set1_epi32(-cospi[10]);
|
|
const __m256i cospim50 = _mm256_set1_epi32(-cospi[50]);
|
|
const __m256i cospim18 = _mm256_set1_epi32(-cospi[18]);
|
|
const __m256i cospim34 = _mm256_set1_epi32(-cospi[34]);
|
|
const __m256i cospim2 = _mm256_set1_epi32(-cospi[2]);
|
|
const __m256i cospi60 = _mm256_set1_epi32(cospi[60]);
|
|
const __m256i cospi28 = _mm256_set1_epi32(cospi[28]);
|
|
const __m256i cospi44 = _mm256_set1_epi32(cospi[44]);
|
|
const __m256i cospi12 = _mm256_set1_epi32(cospi[12]);
|
|
const __m256i cospi52 = _mm256_set1_epi32(cospi[52]);
|
|
const __m256i cospi20 = _mm256_set1_epi32(cospi[20]);
|
|
const __m256i cospi36 = _mm256_set1_epi32(cospi[36]);
|
|
const __m256i cospi4 = _mm256_set1_epi32(cospi[4]);
|
|
const __m256i cospim52 = _mm256_set1_epi32(-cospi[52]);
|
|
const __m256i cospim20 = _mm256_set1_epi32(-cospi[20]);
|
|
const __m256i cospim36 = _mm256_set1_epi32(-cospi[36]);
|
|
const __m256i cospim4 = _mm256_set1_epi32(-cospi[4]);
|
|
const __m256i cospi56 = _mm256_set1_epi32(cospi[56]);
|
|
const __m256i cospi24 = _mm256_set1_epi32(cospi[24]);
|
|
const __m256i cospi40 = _mm256_set1_epi32(cospi[40]);
|
|
const __m256i cospi8 = _mm256_set1_epi32(cospi[8]);
|
|
const __m256i cospim40 = _mm256_set1_epi32(-cospi[40]);
|
|
const __m256i cospim8 = _mm256_set1_epi32(-cospi[8]);
|
|
const __m256i cospim56 = _mm256_set1_epi32(-cospi[56]);
|
|
const __m256i cospim24 = _mm256_set1_epi32(-cospi[24]);
|
|
const __m256i cospi32 = _mm256_set1_epi32(cospi[32]);
|
|
const __m256i cospim32 = _mm256_set1_epi32(-cospi[32]);
|
|
const __m256i cospi48 = _mm256_set1_epi32(cospi[48]);
|
|
const __m256i cospim48 = _mm256_set1_epi32(-cospi[48]);
|
|
const __m256i cospi16 = _mm256_set1_epi32(cospi[16]);
|
|
const __m256i cospim16 = _mm256_set1_epi32(-cospi[16]);
|
|
const __m256i rounding = _mm256_set1_epi32(1 << (bit - 1));
|
|
__m256i bf1[32], bf0[32];
|
|
int col;
|
|
|
|
for (col = 0; col < 4; ++col) {
|
|
// stage 0
|
|
// stage 1
|
|
bf1[0] = in[0 * 4 + col];
|
|
bf1[1] = in[16 * 4 + col];
|
|
bf1[2] = in[8 * 4 + col];
|
|
bf1[3] = in[24 * 4 + col];
|
|
bf1[4] = in[4 * 4 + col];
|
|
bf1[5] = in[20 * 4 + col];
|
|
bf1[6] = in[12 * 4 + col];
|
|
bf1[7] = in[28 * 4 + col];
|
|
bf1[8] = in[2 * 4 + col];
|
|
bf1[9] = in[18 * 4 + col];
|
|
bf1[10] = in[10 * 4 + col];
|
|
bf1[11] = in[26 * 4 + col];
|
|
bf1[12] = in[6 * 4 + col];
|
|
bf1[13] = in[22 * 4 + col];
|
|
bf1[14] = in[14 * 4 + col];
|
|
bf1[15] = in[30 * 4 + col];
|
|
bf1[16] = in[1 * 4 + col];
|
|
bf1[17] = in[17 * 4 + col];
|
|
bf1[18] = in[9 * 4 + col];
|
|
bf1[19] = in[25 * 4 + col];
|
|
bf1[20] = in[5 * 4 + col];
|
|
bf1[21] = in[21 * 4 + col];
|
|
bf1[22] = in[13 * 4 + col];
|
|
bf1[23] = in[29 * 4 + col];
|
|
bf1[24] = in[3 * 4 + col];
|
|
bf1[25] = in[19 * 4 + col];
|
|
bf1[26] = in[11 * 4 + col];
|
|
bf1[27] = in[27 * 4 + col];
|
|
bf1[28] = in[7 * 4 + col];
|
|
bf1[29] = in[23 * 4 + col];
|
|
bf1[30] = in[15 * 4 + col];
|
|
bf1[31] = in[31 * 4 + col];
|
|
|
|
// stage 2
|
|
bf0[0] = bf1[0];
|
|
bf0[1] = bf1[1];
|
|
bf0[2] = bf1[2];
|
|
bf0[3] = bf1[3];
|
|
bf0[4] = bf1[4];
|
|
bf0[5] = bf1[5];
|
|
bf0[6] = bf1[6];
|
|
bf0[7] = bf1[7];
|
|
bf0[8] = bf1[8];
|
|
bf0[9] = bf1[9];
|
|
bf0[10] = bf1[10];
|
|
bf0[11] = bf1[11];
|
|
bf0[12] = bf1[12];
|
|
bf0[13] = bf1[13];
|
|
bf0[14] = bf1[14];
|
|
bf0[15] = bf1[15];
|
|
bf0[16] =
|
|
half_btf_avx2(&cospi62, &bf1[16], &cospim2, &bf1[31], &rounding, bit);
|
|
bf0[17] =
|
|
half_btf_avx2(&cospi30, &bf1[17], &cospim34, &bf1[30], &rounding, bit);
|
|
bf0[18] =
|
|
half_btf_avx2(&cospi46, &bf1[18], &cospim18, &bf1[29], &rounding, bit);
|
|
bf0[19] =
|
|
half_btf_avx2(&cospi14, &bf1[19], &cospim50, &bf1[28], &rounding, bit);
|
|
bf0[20] =
|
|
half_btf_avx2(&cospi54, &bf1[20], &cospim10, &bf1[27], &rounding, bit);
|
|
bf0[21] =
|
|
half_btf_avx2(&cospi22, &bf1[21], &cospim42, &bf1[26], &rounding, bit);
|
|
bf0[22] =
|
|
half_btf_avx2(&cospi38, &bf1[22], &cospim26, &bf1[25], &rounding, bit);
|
|
bf0[23] =
|
|
half_btf_avx2(&cospi6, &bf1[23], &cospim58, &bf1[24], &rounding, bit);
|
|
bf0[24] =
|
|
half_btf_avx2(&cospi58, &bf1[23], &cospi6, &bf1[24], &rounding, bit);
|
|
bf0[25] =
|
|
half_btf_avx2(&cospi26, &bf1[22], &cospi38, &bf1[25], &rounding, bit);
|
|
bf0[26] =
|
|
half_btf_avx2(&cospi42, &bf1[21], &cospi22, &bf1[26], &rounding, bit);
|
|
bf0[27] =
|
|
half_btf_avx2(&cospi10, &bf1[20], &cospi54, &bf1[27], &rounding, bit);
|
|
bf0[28] =
|
|
half_btf_avx2(&cospi50, &bf1[19], &cospi14, &bf1[28], &rounding, bit);
|
|
bf0[29] =
|
|
half_btf_avx2(&cospi18, &bf1[18], &cospi46, &bf1[29], &rounding, bit);
|
|
bf0[30] =
|
|
half_btf_avx2(&cospi34, &bf1[17], &cospi30, &bf1[30], &rounding, bit);
|
|
bf0[31] =
|
|
half_btf_avx2(&cospi2, &bf1[16], &cospi62, &bf1[31], &rounding, bit);
|
|
|
|
// stage 3
|
|
bf1[0] = bf0[0];
|
|
bf1[1] = bf0[1];
|
|
bf1[2] = bf0[2];
|
|
bf1[3] = bf0[3];
|
|
bf1[4] = bf0[4];
|
|
bf1[5] = bf0[5];
|
|
bf1[6] = bf0[6];
|
|
bf1[7] = bf0[7];
|
|
bf1[8] =
|
|
half_btf_avx2(&cospi60, &bf0[8], &cospim4, &bf0[15], &rounding, bit);
|
|
bf1[9] =
|
|
half_btf_avx2(&cospi28, &bf0[9], &cospim36, &bf0[14], &rounding, bit);
|
|
bf1[10] =
|
|
half_btf_avx2(&cospi44, &bf0[10], &cospim20, &bf0[13], &rounding, bit);
|
|
bf1[11] =
|
|
half_btf_avx2(&cospi12, &bf0[11], &cospim52, &bf0[12], &rounding, bit);
|
|
bf1[12] =
|
|
half_btf_avx2(&cospi52, &bf0[11], &cospi12, &bf0[12], &rounding, bit);
|
|
bf1[13] =
|
|
half_btf_avx2(&cospi20, &bf0[10], &cospi44, &bf0[13], &rounding, bit);
|
|
bf1[14] =
|
|
half_btf_avx2(&cospi36, &bf0[9], &cospi28, &bf0[14], &rounding, bit);
|
|
bf1[15] =
|
|
half_btf_avx2(&cospi4, &bf0[8], &cospi60, &bf0[15], &rounding, bit);
|
|
bf1[16] = _mm256_add_epi32(bf0[16], bf0[17]);
|
|
bf1[17] = _mm256_sub_epi32(bf0[16], bf0[17]);
|
|
bf1[18] = _mm256_sub_epi32(bf0[19], bf0[18]);
|
|
bf1[19] = _mm256_add_epi32(bf0[18], bf0[19]);
|
|
bf1[20] = _mm256_add_epi32(bf0[20], bf0[21]);
|
|
bf1[21] = _mm256_sub_epi32(bf0[20], bf0[21]);
|
|
bf1[22] = _mm256_sub_epi32(bf0[23], bf0[22]);
|
|
bf1[23] = _mm256_add_epi32(bf0[22], bf0[23]);
|
|
bf1[24] = _mm256_add_epi32(bf0[24], bf0[25]);
|
|
bf1[25] = _mm256_sub_epi32(bf0[24], bf0[25]);
|
|
bf1[26] = _mm256_sub_epi32(bf0[27], bf0[26]);
|
|
bf1[27] = _mm256_add_epi32(bf0[26], bf0[27]);
|
|
bf1[28] = _mm256_add_epi32(bf0[28], bf0[29]);
|
|
bf1[29] = _mm256_sub_epi32(bf0[28], bf0[29]);
|
|
bf1[30] = _mm256_sub_epi32(bf0[31], bf0[30]);
|
|
bf1[31] = _mm256_add_epi32(bf0[30], bf0[31]);
|
|
|
|
// stage 4
|
|
bf0[0] = bf1[0];
|
|
bf0[1] = bf1[1];
|
|
bf0[2] = bf1[2];
|
|
bf0[3] = bf1[3];
|
|
bf0[4] =
|
|
half_btf_avx2(&cospi56, &bf1[4], &cospim8, &bf1[7], &rounding, bit);
|
|
bf0[5] =
|
|
half_btf_avx2(&cospi24, &bf1[5], &cospim40, &bf1[6], &rounding, bit);
|
|
bf0[6] =
|
|
half_btf_avx2(&cospi40, &bf1[5], &cospi24, &bf1[6], &rounding, bit);
|
|
bf0[7] = half_btf_avx2(&cospi8, &bf1[4], &cospi56, &bf1[7], &rounding, bit);
|
|
bf0[8] = _mm256_add_epi32(bf1[8], bf1[9]);
|
|
bf0[9] = _mm256_sub_epi32(bf1[8], bf1[9]);
|
|
bf0[10] = _mm256_sub_epi32(bf1[11], bf1[10]);
|
|
bf0[11] = _mm256_add_epi32(bf1[10], bf1[11]);
|
|
bf0[12] = _mm256_add_epi32(bf1[12], bf1[13]);
|
|
bf0[13] = _mm256_sub_epi32(bf1[12], bf1[13]);
|
|
bf0[14] = _mm256_sub_epi32(bf1[15], bf1[14]);
|
|
bf0[15] = _mm256_add_epi32(bf1[14], bf1[15]);
|
|
bf0[16] = bf1[16];
|
|
bf0[17] =
|
|
half_btf_avx2(&cospim8, &bf1[17], &cospi56, &bf1[30], &rounding, bit);
|
|
bf0[18] =
|
|
half_btf_avx2(&cospim56, &bf1[18], &cospim8, &bf1[29], &rounding, bit);
|
|
bf0[19] = bf1[19];
|
|
bf0[20] = bf1[20];
|
|
bf0[21] =
|
|
half_btf_avx2(&cospim40, &bf1[21], &cospi24, &bf1[26], &rounding, bit);
|
|
bf0[22] =
|
|
half_btf_avx2(&cospim24, &bf1[22], &cospim40, &bf1[25], &rounding, bit);
|
|
bf0[23] = bf1[23];
|
|
bf0[24] = bf1[24];
|
|
bf0[25] =
|
|
half_btf_avx2(&cospim40, &bf1[22], &cospi24, &bf1[25], &rounding, bit);
|
|
bf0[26] =
|
|
half_btf_avx2(&cospi24, &bf1[21], &cospi40, &bf1[26], &rounding, bit);
|
|
bf0[27] = bf1[27];
|
|
bf0[28] = bf1[28];
|
|
bf0[29] =
|
|
half_btf_avx2(&cospim8, &bf1[18], &cospi56, &bf1[29], &rounding, bit);
|
|
bf0[30] =
|
|
half_btf_avx2(&cospi56, &bf1[17], &cospi8, &bf1[30], &rounding, bit);
|
|
bf0[31] = bf1[31];
|
|
|
|
// stage 5
|
|
bf1[0] =
|
|
half_btf_avx2(&cospi32, &bf0[0], &cospi32, &bf0[1], &rounding, bit);
|
|
bf1[1] =
|
|
half_btf_avx2(&cospi32, &bf0[0], &cospim32, &bf0[1], &rounding, bit);
|
|
bf1[2] =
|
|
half_btf_avx2(&cospi48, &bf0[2], &cospim16, &bf0[3], &rounding, bit);
|
|
bf1[3] =
|
|
half_btf_avx2(&cospi16, &bf0[2], &cospi48, &bf0[3], &rounding, bit);
|
|
bf1[4] = _mm256_add_epi32(bf0[4], bf0[5]);
|
|
bf1[5] = _mm256_sub_epi32(bf0[4], bf0[5]);
|
|
bf1[6] = _mm256_sub_epi32(bf0[7], bf0[6]);
|
|
bf1[7] = _mm256_add_epi32(bf0[6], bf0[7]);
|
|
bf1[8] = bf0[8];
|
|
bf1[9] =
|
|
half_btf_avx2(&cospim16, &bf0[9], &cospi48, &bf0[14], &rounding, bit);
|
|
bf1[10] =
|
|
half_btf_avx2(&cospim48, &bf0[10], &cospim16, &bf0[13], &rounding, bit);
|
|
bf1[11] = bf0[11];
|
|
bf1[12] = bf0[12];
|
|
bf1[13] =
|
|
half_btf_avx2(&cospim16, &bf0[10], &cospi48, &bf0[13], &rounding, bit);
|
|
bf1[14] =
|
|
half_btf_avx2(&cospi48, &bf0[9], &cospi16, &bf0[14], &rounding, bit);
|
|
bf1[15] = bf0[15];
|
|
bf1[16] = _mm256_add_epi32(bf0[16], bf0[19]);
|
|
bf1[17] = _mm256_add_epi32(bf0[17], bf0[18]);
|
|
bf1[18] = _mm256_sub_epi32(bf0[17], bf0[18]);
|
|
bf1[19] = _mm256_sub_epi32(bf0[16], bf0[19]);
|
|
bf1[20] = _mm256_sub_epi32(bf0[23], bf0[20]);
|
|
bf1[21] = _mm256_sub_epi32(bf0[22], bf0[21]);
|
|
bf1[22] = _mm256_add_epi32(bf0[21], bf0[22]);
|
|
bf1[23] = _mm256_add_epi32(bf0[20], bf0[23]);
|
|
bf1[24] = _mm256_add_epi32(bf0[24], bf0[27]);
|
|
bf1[25] = _mm256_add_epi32(bf0[25], bf0[26]);
|
|
bf1[26] = _mm256_sub_epi32(bf0[25], bf0[26]);
|
|
bf1[27] = _mm256_sub_epi32(bf0[24], bf0[27]);
|
|
bf1[28] = _mm256_sub_epi32(bf0[31], bf0[28]);
|
|
bf1[29] = _mm256_sub_epi32(bf0[30], bf0[29]);
|
|
bf1[30] = _mm256_add_epi32(bf0[29], bf0[30]);
|
|
bf1[31] = _mm256_add_epi32(bf0[28], bf0[31]);
|
|
|
|
// stage 6
|
|
bf0[0] = _mm256_add_epi32(bf1[0], bf1[3]);
|
|
bf0[1] = _mm256_add_epi32(bf1[1], bf1[2]);
|
|
bf0[2] = _mm256_sub_epi32(bf1[1], bf1[2]);
|
|
bf0[3] = _mm256_sub_epi32(bf1[0], bf1[3]);
|
|
bf0[4] = bf1[4];
|
|
bf0[5] =
|
|
half_btf_avx2(&cospim32, &bf1[5], &cospi32, &bf1[6], &rounding, bit);
|
|
bf0[6] =
|
|
half_btf_avx2(&cospi32, &bf1[5], &cospi32, &bf1[6], &rounding, bit);
|
|
bf0[7] = bf1[7];
|
|
bf0[8] = _mm256_add_epi32(bf1[8], bf1[11]);
|
|
bf0[9] = _mm256_add_epi32(bf1[9], bf1[10]);
|
|
bf0[10] = _mm256_sub_epi32(bf1[9], bf1[10]);
|
|
bf0[11] = _mm256_sub_epi32(bf1[8], bf1[11]);
|
|
bf0[12] = _mm256_sub_epi32(bf1[15], bf1[12]);
|
|
bf0[13] = _mm256_sub_epi32(bf1[14], bf1[13]);
|
|
bf0[14] = _mm256_add_epi32(bf1[13], bf1[14]);
|
|
bf0[15] = _mm256_add_epi32(bf1[12], bf1[15]);
|
|
bf0[16] = bf1[16];
|
|
bf0[17] = bf1[17];
|
|
bf0[18] =
|
|
half_btf_avx2(&cospim16, &bf1[18], &cospi48, &bf1[29], &rounding, bit);
|
|
bf0[19] =
|
|
half_btf_avx2(&cospim16, &bf1[19], &cospi48, &bf1[28], &rounding, bit);
|
|
bf0[20] =
|
|
half_btf_avx2(&cospim48, &bf1[20], &cospim16, &bf1[27], &rounding, bit);
|
|
bf0[21] =
|
|
half_btf_avx2(&cospim48, &bf1[21], &cospim16, &bf1[26], &rounding, bit);
|
|
bf0[22] = bf1[22];
|
|
bf0[23] = bf1[23];
|
|
bf0[24] = bf1[24];
|
|
bf0[25] = bf1[25];
|
|
bf0[26] =
|
|
half_btf_avx2(&cospim16, &bf1[21], &cospi48, &bf1[26], &rounding, bit);
|
|
bf0[27] =
|
|
half_btf_avx2(&cospim16, &bf1[20], &cospi48, &bf1[27], &rounding, bit);
|
|
bf0[28] =
|
|
half_btf_avx2(&cospi48, &bf1[19], &cospi16, &bf1[28], &rounding, bit);
|
|
bf0[29] =
|
|
half_btf_avx2(&cospi48, &bf1[18], &cospi16, &bf1[29], &rounding, bit);
|
|
bf0[30] = bf1[30];
|
|
bf0[31] = bf1[31];
|
|
|
|
// stage 7
|
|
bf1[0] = _mm256_add_epi32(bf0[0], bf0[7]);
|
|
bf1[1] = _mm256_add_epi32(bf0[1], bf0[6]);
|
|
bf1[2] = _mm256_add_epi32(bf0[2], bf0[5]);
|
|
bf1[3] = _mm256_add_epi32(bf0[3], bf0[4]);
|
|
bf1[4] = _mm256_sub_epi32(bf0[3], bf0[4]);
|
|
bf1[5] = _mm256_sub_epi32(bf0[2], bf0[5]);
|
|
bf1[6] = _mm256_sub_epi32(bf0[1], bf0[6]);
|
|
bf1[7] = _mm256_sub_epi32(bf0[0], bf0[7]);
|
|
bf1[8] = bf0[8];
|
|
bf1[9] = bf0[9];
|
|
bf1[10] =
|
|
half_btf_avx2(&cospim32, &bf0[10], &cospi32, &bf0[13], &rounding, bit);
|
|
bf1[11] =
|
|
half_btf_avx2(&cospim32, &bf0[11], &cospi32, &bf0[12], &rounding, bit);
|
|
bf1[12] =
|
|
half_btf_avx2(&cospi32, &bf0[11], &cospi32, &bf0[12], &rounding, bit);
|
|
bf1[13] =
|
|
half_btf_avx2(&cospi32, &bf0[10], &cospi32, &bf0[13], &rounding, bit);
|
|
bf1[14] = bf0[14];
|
|
bf1[15] = bf0[15];
|
|
bf1[16] = _mm256_add_epi32(bf0[16], bf0[23]);
|
|
bf1[17] = _mm256_add_epi32(bf0[17], bf0[22]);
|
|
bf1[18] = _mm256_add_epi32(bf0[18], bf0[21]);
|
|
bf1[19] = _mm256_add_epi32(bf0[19], bf0[20]);
|
|
bf1[20] = _mm256_sub_epi32(bf0[19], bf0[20]);
|
|
bf1[21] = _mm256_sub_epi32(bf0[18], bf0[21]);
|
|
bf1[22] = _mm256_sub_epi32(bf0[17], bf0[22]);
|
|
bf1[23] = _mm256_sub_epi32(bf0[16], bf0[23]);
|
|
bf1[24] = _mm256_sub_epi32(bf0[31], bf0[24]);
|
|
bf1[25] = _mm256_sub_epi32(bf0[30], bf0[25]);
|
|
bf1[26] = _mm256_sub_epi32(bf0[29], bf0[26]);
|
|
bf1[27] = _mm256_sub_epi32(bf0[28], bf0[27]);
|
|
bf1[28] = _mm256_add_epi32(bf0[27], bf0[28]);
|
|
bf1[29] = _mm256_add_epi32(bf0[26], bf0[29]);
|
|
bf1[30] = _mm256_add_epi32(bf0[25], bf0[30]);
|
|
bf1[31] = _mm256_add_epi32(bf0[24], bf0[31]);
|
|
|
|
// stage 8
|
|
bf0[0] = _mm256_add_epi32(bf1[0], bf1[15]);
|
|
bf0[1] = _mm256_add_epi32(bf1[1], bf1[14]);
|
|
bf0[2] = _mm256_add_epi32(bf1[2], bf1[13]);
|
|
bf0[3] = _mm256_add_epi32(bf1[3], bf1[12]);
|
|
bf0[4] = _mm256_add_epi32(bf1[4], bf1[11]);
|
|
bf0[5] = _mm256_add_epi32(bf1[5], bf1[10]);
|
|
bf0[6] = _mm256_add_epi32(bf1[6], bf1[9]);
|
|
bf0[7] = _mm256_add_epi32(bf1[7], bf1[8]);
|
|
bf0[8] = _mm256_sub_epi32(bf1[7], bf1[8]);
|
|
bf0[9] = _mm256_sub_epi32(bf1[6], bf1[9]);
|
|
bf0[10] = _mm256_sub_epi32(bf1[5], bf1[10]);
|
|
bf0[11] = _mm256_sub_epi32(bf1[4], bf1[11]);
|
|
bf0[12] = _mm256_sub_epi32(bf1[3], bf1[12]);
|
|
bf0[13] = _mm256_sub_epi32(bf1[2], bf1[13]);
|
|
bf0[14] = _mm256_sub_epi32(bf1[1], bf1[14]);
|
|
bf0[15] = _mm256_sub_epi32(bf1[0], bf1[15]);
|
|
bf0[16] = bf1[16];
|
|
bf0[17] = bf1[17];
|
|
bf0[18] = bf1[18];
|
|
bf0[19] = bf1[19];
|
|
bf0[20] =
|
|
half_btf_avx2(&cospim32, &bf1[20], &cospi32, &bf1[27], &rounding, bit);
|
|
bf0[21] =
|
|
half_btf_avx2(&cospim32, &bf1[21], &cospi32, &bf1[26], &rounding, bit);
|
|
bf0[22] =
|
|
half_btf_avx2(&cospim32, &bf1[22], &cospi32, &bf1[25], &rounding, bit);
|
|
bf0[23] =
|
|
half_btf_avx2(&cospim32, &bf1[23], &cospi32, &bf1[24], &rounding, bit);
|
|
bf0[24] =
|
|
half_btf_avx2(&cospi32, &bf1[23], &cospi32, &bf1[24], &rounding, bit);
|
|
bf0[25] =
|
|
half_btf_avx2(&cospi32, &bf1[22], &cospi32, &bf1[25], &rounding, bit);
|
|
bf0[26] =
|
|
half_btf_avx2(&cospi32, &bf1[21], &cospi32, &bf1[26], &rounding, bit);
|
|
bf0[27] =
|
|
half_btf_avx2(&cospi32, &bf1[20], &cospi32, &bf1[27], &rounding, bit);
|
|
bf0[28] = bf1[28];
|
|
bf0[29] = bf1[29];
|
|
bf0[30] = bf1[30];
|
|
bf0[31] = bf1[31];
|
|
|
|
// stage 9
|
|
out[0 * 4 + col] = _mm256_add_epi32(bf0[0], bf0[31]);
|
|
out[1 * 4 + col] = _mm256_add_epi32(bf0[1], bf0[30]);
|
|
out[2 * 4 + col] = _mm256_add_epi32(bf0[2], bf0[29]);
|
|
out[3 * 4 + col] = _mm256_add_epi32(bf0[3], bf0[28]);
|
|
out[4 * 4 + col] = _mm256_add_epi32(bf0[4], bf0[27]);
|
|
out[5 * 4 + col] = _mm256_add_epi32(bf0[5], bf0[26]);
|
|
out[6 * 4 + col] = _mm256_add_epi32(bf0[6], bf0[25]);
|
|
out[7 * 4 + col] = _mm256_add_epi32(bf0[7], bf0[24]);
|
|
out[8 * 4 + col] = _mm256_add_epi32(bf0[8], bf0[23]);
|
|
out[9 * 4 + col] = _mm256_add_epi32(bf0[9], bf0[22]);
|
|
out[10 * 4 + col] = _mm256_add_epi32(bf0[10], bf0[21]);
|
|
out[11 * 4 + col] = _mm256_add_epi32(bf0[11], bf0[20]);
|
|
out[12 * 4 + col] = _mm256_add_epi32(bf0[12], bf0[19]);
|
|
out[13 * 4 + col] = _mm256_add_epi32(bf0[13], bf0[18]);
|
|
out[14 * 4 + col] = _mm256_add_epi32(bf0[14], bf0[17]);
|
|
out[15 * 4 + col] = _mm256_add_epi32(bf0[15], bf0[16]);
|
|
out[16 * 4 + col] = _mm256_sub_epi32(bf0[15], bf0[16]);
|
|
out[17 * 4 + col] = _mm256_sub_epi32(bf0[14], bf0[17]);
|
|
out[18 * 4 + col] = _mm256_sub_epi32(bf0[13], bf0[18]);
|
|
out[19 * 4 + col] = _mm256_sub_epi32(bf0[12], bf0[19]);
|
|
out[20 * 4 + col] = _mm256_sub_epi32(bf0[11], bf0[20]);
|
|
out[21 * 4 + col] = _mm256_sub_epi32(bf0[10], bf0[21]);
|
|
out[22 * 4 + col] = _mm256_sub_epi32(bf0[9], bf0[22]);
|
|
out[23 * 4 + col] = _mm256_sub_epi32(bf0[8], bf0[23]);
|
|
out[24 * 4 + col] = _mm256_sub_epi32(bf0[7], bf0[24]);
|
|
out[25 * 4 + col] = _mm256_sub_epi32(bf0[6], bf0[25]);
|
|
out[26 * 4 + col] = _mm256_sub_epi32(bf0[5], bf0[26]);
|
|
out[27 * 4 + col] = _mm256_sub_epi32(bf0[4], bf0[27]);
|
|
out[28 * 4 + col] = _mm256_sub_epi32(bf0[3], bf0[28]);
|
|
out[29 * 4 + col] = _mm256_sub_epi32(bf0[2], bf0[29]);
|
|
out[30 * 4 + col] = _mm256_sub_epi32(bf0[1], bf0[30]);
|
|
out[31 * 4 + col] = _mm256_sub_epi32(bf0[0], bf0[31]);
|
|
}
|
|
}
|
|
|
|
void av1_inv_txfm2d_add_32x32_avx2(const int32_t *coeff, uint16_t *output,
|
|
int stride, int tx_type, int bd) {
|
|
__m256i in[128], out[128];
|
|
const TXFM_1D_CFG *row_cfg = NULL;
|
|
const TXFM_1D_CFG *col_cfg = NULL;
|
|
|
|
switch (tx_type) {
|
|
case DCT_DCT:
|
|
row_cfg = &inv_txfm_1d_row_cfg_dct_32;
|
|
col_cfg = &inv_txfm_1d_col_cfg_dct_32;
|
|
load_buffer_32x32(coeff, in);
|
|
transpose_32x32(in, out);
|
|
idct32_avx2(out, in, row_cfg->cos_bit[2]);
|
|
round_shift_32x32(in, -row_cfg->shift[0]);
|
|
transpose_32x32(in, out);
|
|
idct32_avx2(out, in, col_cfg->cos_bit[2]);
|
|
write_buffer_32x32(in, output, stride, 0, 0, -row_cfg->shift[1], bd);
|
|
break;
|
|
default: assert(0);
|
|
}
|
|
}
|