1/*
2 * Copyright (c) 2015 Janne Grunau
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 */
20
21#include <math.h>
22#include <stdint.h>
23#include <string.h>
24
25#include "libavutil/internal.h"
26#include "libavutil/common.h"
27#include "libavutil/mem_internal.h"
28
29#include "libavcodec/fmtconvert.h"
30
31#include "checkasm.h"
32
33#define BUF_SIZE 1024
34
35#define randomize_input(len)                                    \
36    do {                                                        \
37        int k;                                                  \
38        for (k = 0; k < len; k++) {                             \
39            in[k] = rnd() - INT32_MAX;                         \
40        }                                                       \
41        for (     ; k < BUF_SIZE; k++) {                        \
42            in[k] = INT32_MAX;                                  \
43        }                                                       \
44    } while (0)
45
46void checkasm_check_fmtconvert(void)
47{
48    FmtConvertContext c;
49    LOCAL_ALIGNED(32, float,   dst0, [BUF_SIZE]);
50    LOCAL_ALIGNED(32, float,   dst1, [BUF_SIZE]);
51    LOCAL_ALIGNED(32, int32_t, in,   [BUF_SIZE]);
52    float scale_arr[128];
53    int length[] = {8, 16, 24, 56, 72, 128, 512, 520, 656, 768, 992};
54    int i, j;
55
56    for (i = 0; i < FF_ARRAY_ELEMS(scale_arr); i++)
57        scale_arr[i] = (FF_ARRAY_ELEMS(scale_arr) - FF_ARRAY_ELEMS(scale_arr) / 2) / 13;
58
59    ff_fmt_convert_init(&c, NULL);
60
61    memset(dst0, 0, sizeof(*dst0) * BUF_SIZE);
62    memset(dst1, 0, sizeof(*dst1) * BUF_SIZE);
63
64    if (check_func(c.int32_to_float_fmul_scalar, "int32_to_float_fmul_scalar")) {
65        declare_func(void, float *, const int32_t *, float, int);
66
67        for (i = 0; i < FF_ARRAY_ELEMS(scale_arr); i++) {
68            for (j = 0; j < FF_ARRAY_ELEMS(length); j++) {
69
70                randomize_input(length[j]);
71
72                call_ref(dst0, in, scale_arr[i], length[j]);
73                call_new(dst1, in, scale_arr[i], length[j]);
74
75                if (!float_near_ulp_array(dst0, dst1, 3, length[j])) {
76                    fail();
77                    break;
78                }
79
80                bench_new(dst1, in, scale_arr[i], length[j]);
81            }
82        }
83    }
84    if (check_func(c.int32_to_float_fmul_array8, "int32_to_float_fmul_array8")) {
85        declare_func(void, FmtConvertContext *, float *, const int32_t *,
86                     const float *, int);
87
88        for (i = 0; i < 4; i++) {
89            for (j = 0; j < FF_ARRAY_ELEMS(length); j++) {
90
91                randomize_input(length[j]);
92
93                call_ref(&c, dst0, in, scale_arr, length[j]);
94                call_new(&c, dst1, in, scale_arr, length[j]);
95
96                if (!float_near_ulp_array(dst0, dst1, 3, length[j])) {
97                    fail();
98                    fprintf(stderr, "int32_to_float_fmul_array8: len: %d\n", length[j]);
99                    break;
100                }
101
102                bench_new(&c, dst1, in, scale_arr, length[j]);
103            }
104        }
105    }
106    report("fmtconvert");
107}
108