| /* |
| * Copyright (c) 2018 Clément Bœsch <u pkh me> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "checkasm.h" |
| #include "libavfilter/vf_nlmeans.h" |
| #include "libavutil/avassert.h" |
| |
| #define randomize_buffer(buf, size) do { \ |
| int i; \ |
| for (i = 0; i < size / 4; i++) \ |
| ((uint32_t *)buf)[i] = rnd(); \ |
| } while (0) |
| |
| void checkasm_check_nlmeans(void) |
| { |
| NLMeansDSPContext dsp = {0}; |
| |
| const int w = 123; // source width |
| const int h = 45; // source height |
| const int p = 3; // patch half size |
| const int r = 2; // research window half size |
| |
| ff_nlmeans_init(&dsp); |
| |
| /* See the filter's code for the explanations on the variables */ |
| if (check_func(dsp.compute_safe_ssd_integral_image, "ssd_integral_image")) { |
| int offx, offy; |
| const int e = p + r; |
| const int ii_w = w + e*2; |
| const int ii_h = h + e*2; |
| const int ii_lz_32 = FFALIGN(ii_w + 1, 4); |
| uint32_t *ii_orig_ref = av_mallocz_array(ii_h + 1, ii_lz_32 * sizeof(*ii_orig_ref)); |
| uint32_t *ii_ref = ii_orig_ref + ii_lz_32 + 1; |
| uint32_t *ii_orig_new = av_mallocz_array(ii_h + 1, ii_lz_32 * sizeof(*ii_orig_new)); |
| uint32_t *ii_new = ii_orig_new + ii_lz_32 + 1; |
| const int src_lz = FFALIGN(w, 16); |
| uint8_t *src = av_mallocz_array(h, src_lz); |
| |
| declare_func(void, uint32_t *dst, ptrdiff_t dst_linesize_32, |
| const uint8_t *s1, ptrdiff_t linesize1, |
| const uint8_t *s2, ptrdiff_t linesize2, |
| int w, int h); |
| |
| randomize_buffer(src, h * src_lz); |
| |
| for (offy = -r; offy <= r; offy++) { |
| for (offx = -r; offx <= r; offx++) { |
| if (offx || offy) { |
| const int s1x = e; |
| const int s1y = e; |
| const int s2x = e + offx; |
| const int s2y = e + offy; |
| const int startx_safe = FFMAX(s1x, s2x); |
| const int starty_safe = FFMAX(s1y, s2y); |
| const int u_endx_safe = FFMIN(s1x + w, s2x + w); |
| const int endy_safe = FFMIN(s1y + h, s2y + h); |
| const int safe_pw = (u_endx_safe - startx_safe) & ~0xf; |
| const int safe_ph = endy_safe - starty_safe; |
| |
| av_assert0(safe_pw && safe_ph); |
| av_assert0(startx_safe - s1x >= 0); av_assert0(startx_safe - s1x < w); |
| av_assert0(starty_safe - s1y >= 0); av_assert0(starty_safe - s1y < h); |
| av_assert0(startx_safe - s2x >= 0); av_assert0(startx_safe - s2x < w); |
| av_assert0(starty_safe - s2y >= 0); av_assert0(starty_safe - s2y < h); |
| |
| memset(ii_ref, 0, (ii_lz_32 * ii_h - 1) * sizeof(*ii_ref)); |
| memset(ii_new, 0, (ii_lz_32 * ii_h - 1) * sizeof(*ii_new)); |
| |
| call_ref(ii_ref + starty_safe*ii_lz_32 + startx_safe, ii_lz_32, |
| src + (starty_safe - s1y) * src_lz + (startx_safe - s1x), src_lz, |
| src + (starty_safe - s2y) * src_lz + (startx_safe - s2x), src_lz, |
| safe_pw, safe_ph); |
| call_new(ii_new + starty_safe*ii_lz_32 + startx_safe, ii_lz_32, |
| src + (starty_safe - s1y) * src_lz + (startx_safe - s1x), src_lz, |
| src + (starty_safe - s2y) * src_lz + (startx_safe - s2x), src_lz, |
| safe_pw, safe_ph); |
| |
| if (memcmp(ii_ref, ii_new, (ii_lz_32 * ii_h - 1) * sizeof(*ii_ref))) |
| fail(); |
| |
| memset(ii_new, 0, (ii_lz_32 * ii_h - 1) * sizeof(*ii_new)); |
| bench_new(ii_new + starty_safe*ii_lz_32 + startx_safe, ii_lz_32, |
| src + (starty_safe - s1y) * src_lz + (startx_safe - s1x), src_lz, |
| src + (starty_safe - s2y) * src_lz + (startx_safe - s2x), src_lz, |
| safe_pw, safe_ph); |
| } |
| } |
| } |
| |
| av_freep(&ii_orig_ref); |
| av_freep(&ii_orig_new); |
| av_freep(&src); |
| } |
| |
| report("dsp"); |
| } |