diff options
Diffstat (limited to 'third_party/aom/av1/encoder/x86/reconinter_enc_ssse3.c')
-rw-r--r-- | third_party/aom/av1/encoder/x86/reconinter_enc_ssse3.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/x86/reconinter_enc_ssse3.c b/third_party/aom/av1/encoder/x86/reconinter_enc_ssse3.c new file mode 100644 index 0000000000..df7aa95855 --- /dev/null +++ b/third_party/aom/av1/encoder/x86/reconinter_enc_ssse3.c @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2021, 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 <tmmintrin.h> + +#include "config/aom_config.h" +#include "config/aom_dsp_rtcd.h" +#include "config/av1_rtcd.h" + +#include "aom_dsp/x86/synonyms.h" + +static INLINE void compute_dist_wtd_avg(__m128i *p0, __m128i *p1, + const __m128i *w, const __m128i *r, + void *const result) { + __m128i p_lo = _mm_unpacklo_epi8(*p0, *p1); + __m128i mult_lo = _mm_maddubs_epi16(p_lo, *w); + __m128i round_lo = _mm_add_epi16(mult_lo, *r); + __m128i shift_lo = _mm_srai_epi16(round_lo, DIST_PRECISION_BITS); + + __m128i p_hi = _mm_unpackhi_epi8(*p0, *p1); + __m128i mult_hi = _mm_maddubs_epi16(p_hi, *w); + __m128i round_hi = _mm_add_epi16(mult_hi, *r); + __m128i shift_hi = _mm_srai_epi16(round_hi, DIST_PRECISION_BITS); + + xx_storeu_128(result, _mm_packus_epi16(shift_lo, shift_hi)); +} + +void aom_dist_wtd_comp_avg_upsampled_pred_ssse3( + MACROBLOCKD *xd, const struct AV1Common *const cm, int mi_row, int mi_col, + const MV *const mv, uint8_t *comp_pred, const uint8_t *pred, int width, + int height, int subpel_x_q3, int subpel_y_q3, const uint8_t *ref, + int ref_stride, const DIST_WTD_COMP_PARAMS *jcp_param, int subpel_search) { + int n; + int i; + aom_upsampled_pred(xd, cm, mi_row, mi_col, mv, comp_pred, width, height, + subpel_x_q3, subpel_y_q3, ref, ref_stride, subpel_search); + /*The total number of pixels must be a multiple of 16 (e.g., 4x4).*/ + assert(!(width * height & 15)); + n = width * height >> 4; + + const int8_t w0 = (int8_t)jcp_param->fwd_offset; + const int8_t w1 = (int8_t)jcp_param->bck_offset; + const __m128i w = _mm_set_epi8(w1, w0, w1, w0, w1, w0, w1, w0, w1, w0, w1, w0, + w1, w0, w1, w0); + const int16_t round = (int16_t)((1 << DIST_PRECISION_BITS) >> 1); + const __m128i r = _mm_set1_epi16(round); + + for (i = 0; i < n; i++) { + __m128i p0 = xx_loadu_128(comp_pred); + __m128i p1 = xx_loadu_128(pred); + + compute_dist_wtd_avg(&p0, &p1, &w, &r, comp_pred); + + comp_pred += 16; + pred += 16; + } +} |