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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| 
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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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| 
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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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| 
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| void checkasm_check_nlmeans(void)
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| {
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|     NLMeansDSPContext dsp = {0};
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| 
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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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| 
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|     ff_nlmeans_init(&dsp);
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| 
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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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| 
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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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| 
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|         randomize_buffer(src, h * src_lz);
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     report("dsp");
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| }
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