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201 lines
8.1 KiB
C
201 lines
8.1 KiB
C
/*****************************************************************************
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* This file is part of Kvazaar HEVC encoder.
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*
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* Copyright (C) 2013-2015 Tampere University of Technology and others (see
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* COPYING file).
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*
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* Kvazaar is free software: you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version.
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*
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* Kvazaar is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with Kvazaar. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#include "strategies/sse41/picture-sse41.h"
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#include "strategies/sse41/reg_sad_pow2_widths-sse41.h"
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#if COMPILE_INTEL_SSE41
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#include <immintrin.h>
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#include <stdlib.h>
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#include "kvazaar.h"
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#include "strategyselector.h"
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uint32_t kvz_reg_sad_sse41(const kvz_pixel * const data1, const kvz_pixel * const data2,
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const int32_t width, const int32_t height, const uint32_t stride1,
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const uint32_t stride2)
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{
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if (width == 0)
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return 0;
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if (width == 4)
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return reg_sad_w4(data1, data2, height, stride1, stride2);
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if (width == 8)
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return reg_sad_w8(data1, data2, height, stride1, stride2);
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if (width == 12)
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return reg_sad_w12(data1, data2, height, stride1, stride2);
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if (width == 16)
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return reg_sad_w16(data1, data2, height, stride1, stride2);
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if (width == 24)
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return reg_sad_w24(data1, data2, height, stride1, stride2);
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else
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return reg_sad_arbitrary(data1, data2, width, height, stride1, stride2);
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}
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static optimized_sad_func_ptr_t get_optimized_sad_sse41(int32_t width)
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{
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if (width == 0)
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return reg_sad_w0;
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if (width == 4)
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return reg_sad_w4;
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if (width == 8)
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return reg_sad_w8;
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if (width == 12)
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return reg_sad_w12;
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if (width == 16)
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return reg_sad_w16;
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if (width == 24)
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return reg_sad_w24;
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else
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return NULL;
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}
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static uint32_t ver_sad_sse41(const kvz_pixel *pic_data, const kvz_pixel *ref_data,
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int32_t width, int32_t height, uint32_t stride)
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{
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if (width == 0)
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return 0;
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if (width == 4)
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return ver_sad_w4(pic_data, ref_data, height, stride);
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if (width == 8)
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return ver_sad_w8(pic_data, ref_data, height, stride);
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if (width == 12)
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return ver_sad_w12(pic_data, ref_data, height, stride);
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if (width == 16)
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return ver_sad_w16(pic_data, ref_data, height, stride);
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else
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return ver_sad_arbitrary(pic_data, ref_data, width, height, stride);
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}
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static uint32_t hor_sad_sse41_w32(const kvz_pixel *pic_data, const kvz_pixel *ref_data,
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int32_t height, uint32_t pic_stride, uint32_t ref_stride,
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uint32_t left, uint32_t right)
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{
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const int32_t height_twoline_groups = height & ~1;
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const int32_t height_residual_lines = height & 1;
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__m128i nslo = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7,
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8, 9, 10, 11, 12, 13, 14, 15);
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__m128i nshi = _mm_setr_epi8(16, 17, 18, 19, 20, 21, 22, 23,
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24, 25, 26, 27, 28, 29, 30, 31);
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__m128i epol_masklo, epol_maskhi;
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int32_t border_pix_off;
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if (left) {
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border_pix_off = left;
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__m128i first_valid_idx = _mm_set1_epi8(left);
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epol_masklo = _mm_cmpgt_epi8(first_valid_idx, nslo);
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epol_maskhi = _mm_cmpgt_epi8(first_valid_idx, nshi);
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} else {
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border_pix_off = 31 - right;
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__m128i last_valid_idx = _mm_set1_epi8(border_pix_off);
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epol_masklo = _mm_cmpgt_epi8(nslo, last_valid_idx);
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epol_maskhi = _mm_cmpgt_epi8(nshi, last_valid_idx);
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}
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__m128i sse_inc = _mm_setzero_si128();
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int32_t y;
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for (y = 0; y < height_twoline_groups; y += 2) {
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__m128i a = _mm_loadu_si128((__m128i *)(pic_data + (y + 0) * pic_stride + 0));
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__m128i b = _mm_loadu_si128((__m128i *)(ref_data + (y + 0) * ref_stride + 0));
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__m128i c = _mm_loadu_si128((__m128i *)(pic_data + (y + 0) * pic_stride + 16));
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__m128i d = _mm_loadu_si128((__m128i *)(ref_data + (y + 0) * ref_stride + 16));
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__m128i e = _mm_loadu_si128((__m128i *)(pic_data + (y + 1) * pic_stride + 0));
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__m128i f = _mm_loadu_si128((__m128i *)(ref_data + (y + 1) * ref_stride + 0));
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__m128i g = _mm_loadu_si128((__m128i *)(pic_data + (y + 1) * pic_stride + 16));
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__m128i h = _mm_loadu_si128((__m128i *)(ref_data + (y + 1) * ref_stride + 16));
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__m128i border_px_lo = _mm_set1_epi8 (*(uint8_t *)(ref_data + (y + 0) * ref_stride + border_pix_off));
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__m128i border_px_hi = _mm_set1_epi8 (*(uint8_t *)(ref_data + (y + 1) * ref_stride + border_pix_off));
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__m128i b_epol = _mm_blendv_epi8(b, border_px_lo, epol_masklo);
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__m128i d_epol = _mm_blendv_epi8(d, border_px_lo, epol_maskhi);
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__m128i f_epol = _mm_blendv_epi8(f, border_px_hi, epol_masklo);
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__m128i h_epol = _mm_blendv_epi8(h, border_px_hi, epol_maskhi);
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__m128i curr_sads_ab = _mm_sad_epu8(a, b_epol);
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__m128i curr_sads_cd = _mm_sad_epu8(c, d_epol);
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__m128i curr_sads_ef = _mm_sad_epu8(e, f_epol);
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__m128i curr_sads_gh = _mm_sad_epu8(g, h_epol);
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sse_inc = _mm_add_epi64(sse_inc, curr_sads_ab);
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sse_inc = _mm_add_epi64(sse_inc, curr_sads_cd);
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sse_inc = _mm_add_epi64(sse_inc, curr_sads_ef);
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sse_inc = _mm_add_epi64(sse_inc, curr_sads_gh);
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}
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if (height_residual_lines) {
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__m128i a = _mm_loadu_si128((__m128i *)(pic_data + (y + 0) * pic_stride + 0));
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__m128i b = _mm_loadu_si128((__m128i *)(ref_data + (y + 0) * ref_stride + 0));
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__m128i c = _mm_loadu_si128((__m128i *)(pic_data + (y + 0) * pic_stride + 16));
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__m128i d = _mm_loadu_si128((__m128i *)(ref_data + (y + 0) * ref_stride + 16));
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__m128i border_px = _mm_set1_epi8 (*(uint8_t *)(ref_data + (y + 0) * ref_stride + border_pix_off));
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__m128i b_epol = _mm_blendv_epi8(b, border_px, epol_masklo);
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__m128i d_epol = _mm_blendv_epi8(d, border_px, epol_maskhi);
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__m128i curr_sads_ab = _mm_sad_epu8(a, b_epol);
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__m128i curr_sads_cd = _mm_sad_epu8(c, d_epol);
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sse_inc = _mm_add_epi64(sse_inc, curr_sads_ab);
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sse_inc = _mm_add_epi64(sse_inc, curr_sads_cd);
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}
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__m128i sse_inc_2 = _mm_shuffle_epi32(sse_inc, _MM_SHUFFLE(1, 0, 3, 2));
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__m128i sad = _mm_add_epi64 (sse_inc, sse_inc_2);
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return _mm_cvtsi128_si32(sad);
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}
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static uint32_t hor_sad_sse41(const kvz_pixel *pic_data, const kvz_pixel *ref_data,
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int32_t width, int32_t height, uint32_t pic_stride,
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uint32_t ref_stride, uint32_t left, uint32_t right)
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{
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if (width == 4)
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return hor_sad_sse41_w4(pic_data, ref_data, height,
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pic_stride, ref_stride, left, right);
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if (width == 8)
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return hor_sad_sse41_w8(pic_data, ref_data, height,
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pic_stride, ref_stride, left, right);
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if (width == 16)
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return hor_sad_sse41_w16(pic_data, ref_data, height,
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pic_stride, ref_stride, left, right);
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if (width == 32)
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return hor_sad_sse41_w32(pic_data, ref_data, height,
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pic_stride, ref_stride, left, right);
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else
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return hor_sad_sse41_arbitrary(pic_data, ref_data, width, height,
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pic_stride, ref_stride, left, right);
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}
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#endif //COMPILE_INTEL_SSE41
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int kvz_strategy_register_picture_sse41(void* opaque, uint8_t bitdepth) {
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bool success = true;
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#if COMPILE_INTEL_SSE41
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if (bitdepth == 8){
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success &= kvz_strategyselector_register(opaque, "reg_sad", "sse41", 20, &kvz_reg_sad_sse41);
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success &= kvz_strategyselector_register(opaque, "get_optimized_sad", "sse41", 20, &get_optimized_sad_sse41);
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success &= kvz_strategyselector_register(opaque, "ver_sad", "sse41", 20, &ver_sad_sse41);
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success &= kvz_strategyselector_register(opaque, "hor_sad", "sse41", 20, &hor_sad_sse41);
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}
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#endif
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return success;
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}
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