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/vf_threshold_init.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
36static 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
79void checkasm_check_vf_threshold(void)
80{
81    check_threshold(8);
82    report("threshold8");
83
84    check_threshold(16);
85    report("threshold16");
86}
87