1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (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
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17 */
18
19 #include <string.h>
20 #include "checkasm.h"
21 #include "libavfilter/threshold.h"
22 #include "libavutil/intreadwrite.h"
23
24 #define WIDTH 256
25 #define WIDTH_PADDED 256 + 32
26
27 #define randomize_buffers(buf, size) \
28 do { \
29 int j; \
30 uint8_t *tmp_buf = (uint8_t *)buf;\
31 for (j = 0; j < size; j++) \
32 tmp_buf[j] = rnd() & 0xFF; \
33 } while (0)
34
check_threshold(int depth)35 static void check_threshold(int depth){
36 LOCAL_ALIGNED_32(uint8_t, in , [WIDTH_PADDED]);
37 LOCAL_ALIGNED_32(uint8_t, threshold, [WIDTH_PADDED]);
38 LOCAL_ALIGNED_32(uint8_t, min , [WIDTH_PADDED]);
39 LOCAL_ALIGNED_32(uint8_t, max , [WIDTH_PADDED]);
40 LOCAL_ALIGNED_32(uint8_t, out_ref , [WIDTH_PADDED]);
41 LOCAL_ALIGNED_32(uint8_t, out_new , [WIDTH_PADDED]);
42 ptrdiff_t line_size = WIDTH_PADDED;
43 int w = WIDTH;
44
45 declare_func(void, const uint8_t *in, const uint8_t *threshold,
46 const uint8_t *min, const uint8_t *max, uint8_t *out,
47 ptrdiff_t ilinesize, ptrdiff_t tlinesize,
48 ptrdiff_t flinesize, ptrdiff_t slinesize,
49 ptrdiff_t olinesize, int w, int h);
50
51 ThresholdContext s;
52 s.depth = depth;
53 ff_threshold_init(&s);
54
55 memset(in, 0, WIDTH_PADDED);
56 memset(threshold, 0, WIDTH_PADDED);
57 memset(min, 0, WIDTH_PADDED);
58 memset(max, 0, WIDTH_PADDED);
59 memset(out_ref, 0, WIDTH_PADDED);
60 memset(out_new, 0, WIDTH_PADDED);
61 randomize_buffers(in, WIDTH);
62 randomize_buffers(threshold, WIDTH);
63 randomize_buffers(min, WIDTH);
64 randomize_buffers(max, WIDTH);
65
66 if (depth == 16)
67 w /= 2;
68
69 if (check_func(s.threshold, "threshold%d", depth)) {
70 call_ref(in, threshold, min, max, out_ref, line_size, line_size, line_size, line_size, line_size, w, 1);
71 call_new(in, threshold, min, max, out_new, line_size, line_size, line_size, line_size, line_size, w, 1);
72 if (memcmp(out_ref, out_new, WIDTH))
73 fail();
74 bench_new(in, threshold, min, max, out_new, line_size, line_size, line_size, line_size, line_size, w, 1);
75 }
76 }
77
checkasm_check_vf_threshold(void)78 void checkasm_check_vf_threshold(void)
79 {
80 check_threshold(8);
81 report("threshold8");
82
83 check_threshold(16);
84 report("threshold16");
85 }
86