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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 #include "libavutil/mem_internal.h"
24 
25 #define WIDTH 256
26 #define WIDTH_PADDED 256 + 32
27 
28 #define randomize_buffers(buf, size)     \
29     do {                                 \
30        int j;                            \
31        uint8_t *tmp_buf = (uint8_t *)buf;\
32        for (j = 0; j < size; j++)        \
33            tmp_buf[j] = rnd() & 0xFF;    \
34     } while (0)
35 
check_threshold(int depth)36 static void check_threshold(int depth){
37     LOCAL_ALIGNED_32(uint8_t, in       , [WIDTH_PADDED]);
38     LOCAL_ALIGNED_32(uint8_t, threshold, [WIDTH_PADDED]);
39     LOCAL_ALIGNED_32(uint8_t, min      , [WIDTH_PADDED]);
40     LOCAL_ALIGNED_32(uint8_t, max      , [WIDTH_PADDED]);
41     LOCAL_ALIGNED_32(uint8_t, out_ref  , [WIDTH_PADDED]);
42     LOCAL_ALIGNED_32(uint8_t, out_new  , [WIDTH_PADDED]);
43     ptrdiff_t line_size = WIDTH_PADDED;
44     int w = WIDTH;
45 
46     declare_func(void, const uint8_t *in, const uint8_t *threshold,
47                  const uint8_t *min, const uint8_t *max, uint8_t *out,
48                  ptrdiff_t ilinesize, ptrdiff_t tlinesize,
49                  ptrdiff_t flinesize, ptrdiff_t slinesize,
50                  ptrdiff_t olinesize, int w, int h);
51 
52     ThresholdContext s;
53     s.depth = depth;
54     ff_threshold_init(&s);
55 
56     memset(in,     0, WIDTH_PADDED);
57     memset(threshold, 0, WIDTH_PADDED);
58     memset(min, 0, WIDTH_PADDED);
59     memset(max, 0, WIDTH_PADDED);
60     memset(out_ref, 0, WIDTH_PADDED);
61     memset(out_new, 0, WIDTH_PADDED);
62     randomize_buffers(in, WIDTH);
63     randomize_buffers(threshold, WIDTH);
64     randomize_buffers(min, WIDTH);
65     randomize_buffers(max, WIDTH);
66 
67     if (depth == 16)
68         w /= 2;
69 
70     if (check_func(s.threshold, "threshold%d", depth)) {
71         call_ref(in, threshold, min, max, out_ref, line_size, line_size, line_size, line_size, line_size, w, 1);
72         call_new(in, threshold, min, max, out_new, line_size, line_size, line_size, line_size, line_size, w, 1);
73         if (memcmp(out_ref, out_new, WIDTH))
74             fail();
75         bench_new(in, threshold, min, max, out_new, line_size, line_size, line_size, line_size, line_size, w, 1);
76     }
77 }
78 
checkasm_check_vf_threshold(void)79 void checkasm_check_vf_threshold(void)
80 {
81     check_threshold(8);
82     report("threshold8");
83 
84     check_threshold(16);
85     report("threshold16");
86 }
87