Fixes Ticket #4910
Showing the changes to libavfilter/tests (1 of 7 files). Show all
Unified · Split
| @@ -0,0 +1,92 @@ | ||
| 1 | +/* | |
| 2 | + * This file is part of FFmpeg. | |
| 3 | + * | |
| 4 | + * FFmpeg is free software; you can redistribute it and/or | |
| 5 | + * modify it under the terms of the GNU Lesser General Public | |
| 6 | + * License as published by the Free Software Foundation; either | |
| 7 | + * version 2.1 of the License, or (at your option) any later version. | |
| 8 | + * | |
| 9 | + * FFmpeg is distributed in the hope that it will be useful, | |
| 10 | + * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 | + * Lesser General Public License for more details. | |
| 13 | + * | |
| 14 | + * You should have received a copy of the GNU Lesser General Public | |
| 15 | + * License along with FFmpeg; if not, write to the Free Software | |
| 16 | + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 17 | + */ | |
| 18 | + | |
| 19 | +#include "libavfilter/vf_nlmeans.c" | |
| 20 | + | |
| 21 | +static void display_integral(const uint32_t *ii, int w, int h, int lz_32) | |
| 22 | +{ | |
| 23 | + int x, y; | |
| 24 | + | |
| 25 | + for (y = 0; y < h; y++) { | |
| 26 | + for (x = 0; x < w; x++) | |
| 27 | + printf(" %7x", ii[y*lz_32 + x]); | |
| 28 | + printf("\n"); | |
| 29 | + } | |
| 30 | + printf("---------------\n"); | |
| 31 | +} | |
| 32 | + | |
| 33 | +int main(void) | |
| 34 | +{ | |
| 35 | + int ret = 0, xoff, yoff; | |
| 36 | + | |
| 37 | + // arbitrary test source of size 6x4 and linesize=8 | |
| 38 | + const int w = 6, h = 5, lz = 8; | |
| 39 | + static const uint8_t src[] = { | |
| 40 | + 0xb0, 0x71, 0xfb, 0xd8, 0x01, 0xd9, /***/ 0x01, 0x02, | |
| 41 | + 0x51, 0x8e, 0x41, 0x0f, 0x84, 0x58, /***/ 0x03, 0x04, | |
| 42 | + 0xc7, 0x8d, 0x07, 0x70, 0x5c, 0x47, /***/ 0x05, 0x06, | |
| 43 | + 0x09, 0x4e, 0xfc, 0x74, 0x8f, 0x9a, /***/ 0x07, 0x08, | |
| 44 | + 0x60, 0x8e, 0x20, 0xaa, 0x95, 0x7d, /***/ 0x09, 0x0a, | |
| 45 | + }; | |
| 46 | + | |
| 47 | + const int e = 3; | |
| 48 | + const int ii_w = w+e*2, ii_h = h+e*2; | |
| 49 | + | |
| 50 | + // align to 4 the linesize, "+1" is for the space of the left 0-column | |
| 51 | + const int ii_lz_32 = ((ii_w + 1) + 3) & ~3; | |
| 52 | + | |
| 53 | + // "+1" is for the space of the top 0-line | |
| 54 | + uint32_t *ii = av_mallocz_array(ii_h + 1, ii_lz_32 * sizeof(*ii)); | |
| 55 | + uint32_t *ii2 = av_mallocz_array(ii_h + 1, ii_lz_32 * sizeof(*ii2)); | |
| 56 | + | |
| 57 | + uint32_t *ii_start = ii + ii_lz_32 + 1; // skip top 0-line and left 0-column | |
| 58 | + uint32_t *ii_start2 = ii2 + ii_lz_32 + 1; // skip top 0-line and left 0-column | |
| 59 | + | |
| 60 | + if (!ii || !ii2) | |
| 61 | + return -1; | |
| 62 | + | |
| 63 | + for (yoff = -e; yoff <= e; yoff++) { | |
| 64 | + for (xoff = -e; xoff <= e; xoff++) { | |
| 65 | + int x, y; | |
| 66 | + | |
| 67 | + printf("xoff=%d yoff=%d\n", xoff, yoff); | |
| 68 | + | |
| 69 | + compute_ssd_integral_image(ii_start, ii_lz_32, | |
| 70 | + src, lz, xoff, yoff, e, w, h); | |
| 71 | + display_integral(ii_start, ii_w, ii_h, ii_lz_32); | |
| 72 | + | |
| 73 | + compute_unsafe_ssd_integral_image(ii_start2, ii_lz_32, | |
| 74 | + 0, 0, | |
| 75 | + src, lz, | |
| 76 | + xoff, yoff, e, w, h, | |
| 77 | + ii_w, ii_h); | |
| 78 | + display_integral(ii_start2, ii_w, ii_h, ii_lz_32); | |
| 79 | + | |
| 80 | + if (memcmp(ii, ii2, (ii_h+1) * ii_lz_32 * sizeof(*ii))) { | |
| 81 | + printf("Integral mismatch\n"); | |
| 82 | + ret = 1; | |
| 83 | + goto end; | |
| 84 | + } | |
| 85 | + } | |
| 86 | + } | |
| 87 | + | |
| 88 | +end: | |
| 89 | + av_freep(&ii); | |
| 90 | + av_freep(&ii2); | |
| 91 | + return ret; | |
| 92 | +} | |