85 lines
3.0 KiB
C
85 lines
3.0 KiB
C
/*
|
|
* Copyright (c) 2017, 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 <emmintrin.h> // SSE2
|
|
#include <smmintrin.h> /* SSE4.1 */
|
|
|
|
#include "aom/aom_integer.h"
|
|
#include "av1/common/av1_common_int.h"
|
|
#include "av1/common/txb_common.h"
|
|
#include "aom_dsp/x86/synonyms.h"
|
|
|
|
void av1_txb_init_levels_sse4_1(const tran_low_t *const coeff, const int width,
|
|
const int height, uint8_t *const levels) {
|
|
const int stride = width + TX_PAD_HOR;
|
|
const __m128i zeros = _mm_setzero_si128();
|
|
|
|
const int32_t bottom_len = sizeof(*levels) * (TX_PAD_BOTTOM * stride);
|
|
uint8_t *bottom_buf = levels + stride * height;
|
|
uint8_t *bottom_buf_end = bottom_buf + bottom_len;
|
|
do {
|
|
_mm_storeu_si128((__m128i *)(bottom_buf), zeros);
|
|
bottom_buf += 16;
|
|
} while (bottom_buf < bottom_buf_end);
|
|
|
|
int i = 0;
|
|
uint8_t *ls = levels;
|
|
const tran_low_t *cf = coeff;
|
|
if (width == 4) {
|
|
do {
|
|
const __m128i coeffA = xx_loadu_128(cf);
|
|
const __m128i coeffB = xx_loadu_128(cf + 4);
|
|
const __m128i coeffAB = _mm_packs_epi32(coeffA, coeffB);
|
|
const __m128i absAB = _mm_abs_epi16(coeffAB);
|
|
const __m128i absAB8 = _mm_packs_epi16(absAB, zeros);
|
|
const __m128i lsAB = _mm_unpacklo_epi32(absAB8, zeros);
|
|
xx_storeu_128(ls, lsAB);
|
|
ls += (stride << 1);
|
|
cf += (width << 1);
|
|
i += 2;
|
|
} while (i < height);
|
|
} else if (width == 8) {
|
|
do {
|
|
const __m128i coeffA = xx_loadu_128(cf);
|
|
const __m128i coeffB = xx_loadu_128(cf + 4);
|
|
const __m128i coeffAB = _mm_packs_epi32(coeffA, coeffB);
|
|
const __m128i absAB = _mm_abs_epi16(coeffAB);
|
|
const __m128i absAB8 = _mm_packs_epi16(absAB, zeros);
|
|
xx_storeu_128(ls, absAB8);
|
|
ls += stride;
|
|
cf += width;
|
|
i += 1;
|
|
} while (i < height);
|
|
} else {
|
|
do {
|
|
int j = 0;
|
|
do {
|
|
const __m128i coeffA = xx_loadu_128(cf);
|
|
const __m128i coeffB = xx_loadu_128(cf + 4);
|
|
const __m128i coeffC = xx_loadu_128(cf + 8);
|
|
const __m128i coeffD = xx_loadu_128(cf + 12);
|
|
const __m128i coeffAB = _mm_packs_epi32(coeffA, coeffB);
|
|
const __m128i coeffCD = _mm_packs_epi32(coeffC, coeffD);
|
|
const __m128i absAB = _mm_abs_epi16(coeffAB);
|
|
const __m128i absCD = _mm_abs_epi16(coeffCD);
|
|
const __m128i absABCD = _mm_packs_epi16(absAB, absCD);
|
|
xx_storeu_128(ls + j, absABCD);
|
|
j += 16;
|
|
cf += 16;
|
|
} while (j < width);
|
|
*(int32_t *)(ls + width) = 0;
|
|
ls += stride;
|
|
i += 1;
|
|
} while (i < height);
|
|
}
|
|
}
|