221 lines
6.7 KiB
C
221 lines
6.7 KiB
C
/*
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* Copyright (c) 2016 Alexandra Hájková
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for 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 FFmpeg; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <string.h>
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#include "libavutil/common.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/mem.h"
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#include "libavcodec/lossless_videodsp.h"
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#include "checkasm.h"
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#define randomize_buffers(buf, size) \
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do { \
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int j; \
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uint8_t *tmp_buf = (uint8_t *)buf;\
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for (j = 0; j < size; j++) \
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tmp_buf[j] = rnd() & 0xFF; \
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} while (0)
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#define init_buffer(a0, a1, type, width)\
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if (!a0 || !a1)\
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fail();\
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randomize_buffers(a0, width * sizeof(type));\
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memcpy(a1, a0, width*sizeof(type));\
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static void check_add_bytes(LLVidDSPContext c, int width)
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{
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uint8_t *dst0 = av_mallocz(width);
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uint8_t *dst1 = av_mallocz(width);
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uint8_t *src0 = av_mallocz_array(width, sizeof(uint8_t));
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uint8_t *src1 = av_mallocz_array(width, sizeof(uint8_t));
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declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, uint8_t *src, ptrdiff_t w);
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init_buffer(src0, src1, uint8_t, width);
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if (!dst0 || !dst1)
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fail();
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if (check_func(c.add_bytes, "add_bytes")) {
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call_ref(dst0, src0, width);
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call_new(dst1, src1, width);
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if (memcmp(dst0, dst1, width))
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fail();
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bench_new(dst1, src1, width);
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}
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av_free(src0);
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av_free(src1);
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av_free(dst0);
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av_free(dst1);
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}
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static void check_add_median_pred(LLVidDSPContext c, int width) {
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int A0, A1, B0, B1;
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uint8_t *dst0 = av_mallocz(width);
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uint8_t *dst1 = av_mallocz(width);
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uint8_t *src0 = av_mallocz_array(width, sizeof(uint8_t));
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uint8_t *src1 = av_mallocz_array(width, sizeof(uint8_t));
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uint8_t *diff0 = av_mallocz_array(width, sizeof(uint8_t));
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uint8_t *diff1 = av_mallocz_array(width, sizeof(uint8_t));
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declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, const uint8_t *src1,
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const uint8_t *diff, ptrdiff_t w,
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int *left, int *left_top);
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init_buffer(src0, src1, uint8_t, width);
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init_buffer(diff0, diff1, uint8_t, width);
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A0 = rnd() & 0xFF;
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B0 = rnd() & 0xFF;
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A1 = A0;
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B1 = B0;
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if (check_func(c.add_median_pred, "add_median_pred")) {
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call_ref(dst0, src0, diff0, width, &A0, &B0);
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call_new(dst1, src1, diff1, width, &A1, &B1);
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if (memcmp(dst0, dst1, width) || (A0 != A1) || (B0 != B1))
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fail();
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bench_new(dst1, src1, diff1, width, &A1, &B1);
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}
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av_free(src0);
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av_free(src1);
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av_free(diff0);
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av_free(diff1);
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av_free(dst0);
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av_free(dst1);
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}
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static void check_add_left_pred(LLVidDSPContext c, int width, int acc, const char * report)
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{
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int res0, res1;
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uint8_t *dst0 = av_mallocz(width);
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uint8_t *dst1 = av_mallocz(width);
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uint8_t *src0 = av_mallocz_array(width, sizeof(uint8_t));
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uint8_t *src1 = av_mallocz_array(width, sizeof(uint8_t));
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declare_func_emms(AV_CPU_FLAG_MMX, int, uint8_t *dst, uint8_t *src, ptrdiff_t w, int acc);
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init_buffer(src0, src1, uint8_t, width);
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if (!dst0 || !dst1)
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fail();
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if (check_func(c.add_left_pred, "%s", report)) {
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res0 = call_ref(dst0, src0, width, acc);
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res1 = call_new(dst1, src1, width, acc);
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if ((res0 & 0xFF) != (res1 & 0xFF)||\
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memcmp(dst0, dst1, width))
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fail();
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bench_new(dst1, src1, width, acc);
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}
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av_free(src0);
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av_free(src1);
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av_free(dst0);
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av_free(dst1);
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}
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static void check_add_left_pred_16(LLVidDSPContext c, unsigned mask, int width, unsigned acc, const char * report)
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{
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int res0, res1;
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uint16_t *dst0 = av_mallocz_array(width, sizeof(uint16_t));
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uint16_t *dst1 = av_mallocz_array(width, sizeof(uint16_t));
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uint16_t *src0 = av_mallocz_array(width, sizeof(uint16_t));
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uint16_t *src1 = av_mallocz_array(width, sizeof(uint16_t));
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declare_func_emms(AV_CPU_FLAG_MMX, int, uint16_t *dst, uint16_t *src, unsigned mask, ptrdiff_t w, unsigned acc);
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init_buffer(src0, src1, uint16_t, width);
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if (!dst0 || !dst1)
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fail();
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if (check_func(c.add_left_pred_int16, "%s", report)) {
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res0 = call_ref(dst0, src0, mask, width, acc);
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res1 = call_new(dst1, src1, mask, width, acc);
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if ((res0 &0xFFFF) != (res1 &0xFFFF)||\
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memcmp(dst0, dst1, width))
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fail();
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bench_new(dst1, src1, mask, width, acc);
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}
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av_free(src0);
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av_free(src1);
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av_free(dst0);
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av_free(dst1);
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}
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static void check_add_gradient_pred(LLVidDSPContext c, int w) {
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int src_size, stride;
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uint8_t *src0, *src1;
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declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *src, const ptrdiff_t stride,
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const ptrdiff_t width);
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stride = w + 32;
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src_size = (stride + 32) * 2; /* dsp need previous line, and ignore the start of the line */
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src0 = av_mallocz(src_size);
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src1 = av_mallocz(src_size);
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init_buffer(src0, src1, uint8_t, src_size);
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if (check_func(c.add_gradient_pred, "add_gradient_pred")) {
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call_ref(src0 + stride + 32, stride, w);
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call_new(src1 + stride + 32, stride, w);
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if (memcmp(src0, src1, stride)||/* previous line doesn't change */
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memcmp(src0+stride, src1 + stride, w + 32)) {
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fail();
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}
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bench_new(src1 + stride + 32, stride, w);
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}
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av_free(src0);
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av_free(src1);
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}
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void checkasm_check_llviddsp(void)
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{
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LLVidDSPContext c;
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int width = 16 * av_clip(rnd(), 16, 128);
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int accRnd = rnd() & 0xFF;
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ff_llviddsp_init(&c);
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check_add_bytes(c, width);
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report("add_bytes");
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check_add_median_pred(c, width);
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report("add_median_pred");
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check_add_left_pred(c, width, 0, "add_left_pred_zero");
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report("add_left_pred_zero");
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check_add_left_pred(c, width, accRnd, "add_left_pred_rnd_acc");
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report("add_left_pred_rnd_acc");
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check_add_left_pred_16(c, 255, width, accRnd, "add_left_pred_int16");
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report("add_left_pred_int16");
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check_add_gradient_pred(c, width);
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report("add_gradient_pred");
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}
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