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https://github.com/FFmpeg/FFmpeg.git
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1ea3650823
They do the same. Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
114 lines
4.8 KiB
C
114 lines
4.8 KiB
C
/*
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* Copyright (c) 2018 Clément Bœsch <u pkh me>
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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
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "checkasm.h"
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#include "libavfilter/vf_nlmeans.h"
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#include "libavutil/avassert.h"
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#define randomize_buffer(buf, size) do { \
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int i; \
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for (i = 0; i < size / 4; i++) \
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((uint32_t *)buf)[i] = rnd(); \
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} while (0)
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void checkasm_check_nlmeans(void)
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{
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NLMeansDSPContext dsp = {0};
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const int w = 123; // source width
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const int h = 45; // source height
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const int p = 3; // patch half size
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const int r = 2; // research window half size
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ff_nlmeans_init(&dsp);
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/* See the filter's code for the explanations on the variables */
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if (check_func(dsp.compute_safe_ssd_integral_image, "ssd_integral_image")) {
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int offx, offy;
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const int e = p + r;
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const int ii_w = w + e*2;
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const int ii_h = h + e*2;
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const int ii_lz_32 = FFALIGN(ii_w + 1, 4);
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uint32_t *ii_orig_ref = av_calloc(ii_h + 1, ii_lz_32 * sizeof(*ii_orig_ref));
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uint32_t *ii_ref = ii_orig_ref + ii_lz_32 + 1;
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uint32_t *ii_orig_new = av_calloc(ii_h + 1, ii_lz_32 * sizeof(*ii_orig_new));
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uint32_t *ii_new = ii_orig_new + ii_lz_32 + 1;
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const int src_lz = FFALIGN(w, 16);
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uint8_t *src = av_calloc(h, src_lz);
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declare_func(void, uint32_t *dst, ptrdiff_t dst_linesize_32,
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const uint8_t *s1, ptrdiff_t linesize1,
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const uint8_t *s2, ptrdiff_t linesize2,
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int w, int h);
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randomize_buffer(src, h * src_lz);
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for (offy = -r; offy <= r; offy++) {
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for (offx = -r; offx <= r; offx++) {
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if (offx || offy) {
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const int s1x = e;
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const int s1y = e;
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const int s2x = e + offx;
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const int s2y = e + offy;
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const int startx_safe = FFMAX(s1x, s2x);
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const int starty_safe = FFMAX(s1y, s2y);
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const int u_endx_safe = FFMIN(s1x + w, s2x + w);
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const int endy_safe = FFMIN(s1y + h, s2y + h);
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const int safe_pw = (u_endx_safe - startx_safe) & ~0xf;
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const int safe_ph = endy_safe - starty_safe;
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av_assert0(safe_pw && safe_ph);
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av_assert0(startx_safe - s1x >= 0); av_assert0(startx_safe - s1x < w);
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av_assert0(starty_safe - s1y >= 0); av_assert0(starty_safe - s1y < h);
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av_assert0(startx_safe - s2x >= 0); av_assert0(startx_safe - s2x < w);
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av_assert0(starty_safe - s2y >= 0); av_assert0(starty_safe - s2y < h);
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memset(ii_ref, 0, (ii_lz_32 * ii_h - 1) * sizeof(*ii_ref));
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memset(ii_new, 0, (ii_lz_32 * ii_h - 1) * sizeof(*ii_new));
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call_ref(ii_ref + starty_safe*ii_lz_32 + startx_safe, ii_lz_32,
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src + (starty_safe - s1y) * src_lz + (startx_safe - s1x), src_lz,
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src + (starty_safe - s2y) * src_lz + (startx_safe - s2x), src_lz,
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safe_pw, safe_ph);
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call_new(ii_new + starty_safe*ii_lz_32 + startx_safe, ii_lz_32,
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src + (starty_safe - s1y) * src_lz + (startx_safe - s1x), src_lz,
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src + (starty_safe - s2y) * src_lz + (startx_safe - s2x), src_lz,
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safe_pw, safe_ph);
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if (memcmp(ii_ref, ii_new, (ii_lz_32 * ii_h - 1) * sizeof(*ii_ref)))
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fail();
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memset(ii_new, 0, (ii_lz_32 * ii_h - 1) * sizeof(*ii_new));
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bench_new(ii_new + starty_safe*ii_lz_32 + startx_safe, ii_lz_32,
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src + (starty_safe - s1y) * src_lz + (startx_safe - s1x), src_lz,
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src + (starty_safe - s2y) * src_lz + (startx_safe - s2x), src_lz,
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safe_pw, safe_ph);
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}
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}
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}
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av_freep(&ii_orig_ref);
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av_freep(&ii_orig_new);
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av_freep(&src);
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}
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report("dsp");
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}
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