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 "libavcodec/fmtconvert.h"
28
29 #include "checkasm.h"
30
31 #define BUF_SIZE 1024
32
33 #define randomize_input(len) \
34 do { \
35 int k; \
36 for (k = 0; k < len; k++) { \
37 in[k] = rnd() - INT32_MAX; \
38 } \
39 for ( ; k < BUF_SIZE; k++) { \
40 in[k] = INT32_MAX; \
41 } \
42 } while (0)
43
checkasm_check_fmtconvert(void)44 void checkasm_check_fmtconvert(void)
45 {
46 FmtConvertContext c;
47 LOCAL_ALIGNED(32, float, dst0, [BUF_SIZE]);
48 LOCAL_ALIGNED(32, float, dst1, [BUF_SIZE]);
49 LOCAL_ALIGNED(32, int32_t, in, [BUF_SIZE]);
50 float scale_arr[128];
51 int length[] = {8, 16, 24, 56, 72, 128, 512, 520, 656, 768, 992};
52 int i, j;
53
54 for (i = 0; i < FF_ARRAY_ELEMS(scale_arr); i++)
55 scale_arr[i] = (FF_ARRAY_ELEMS(scale_arr) - FF_ARRAY_ELEMS(scale_arr) / 2) / 13;
56
57 ff_fmt_convert_init(&c, NULL);
58
59 memset(dst0, 0, sizeof(*dst0) * BUF_SIZE);
60 memset(dst1, 0, sizeof(*dst1) * BUF_SIZE);
61
62 if (check_func(c.int32_to_float_fmul_scalar, "int32_to_float_fmul_scalar")) {
63 declare_func(void, float *, const int32_t *, float, int);
64
65 for (i = 0; i < FF_ARRAY_ELEMS(scale_arr); i++) {
66 for (j = 0; j < FF_ARRAY_ELEMS(length); j++) {
67
68 randomize_input(length[j]);
69
70 call_ref(dst0, in, scale_arr[i], length[j]);
71 call_new(dst1, in, scale_arr[i], length[j]);
72
73 if (!float_near_ulp_array(dst0, dst1, 3, length[j])) {
74 fail();
75 break;
76 }
77
78 bench_new(dst1, in, scale_arr[i], length[j]);
79 }
80 }
81 }
82 if (check_func(c.int32_to_float_fmul_array8, "int32_to_float_fmul_array8")) {
83 declare_func(void, FmtConvertContext *, float *, const int32_t *,
84 const float *, int);
85
86 for (i = 0; i < 4; i++) {
87 for (j = 0; j < FF_ARRAY_ELEMS(length); j++) {
88
89 randomize_input(length[j]);
90
91 call_ref(&c, dst0, in, scale_arr, length[j]);
92 call_new(&c, dst1, in, scale_arr, length[j]);
93
94 if (!float_near_ulp_array(dst0, dst1, 3, length[j])) {
95 fail();
96 fprintf(stderr, "int32_to_float_fmul_array8: len: %d\n", length[j]);
97 break;
98 }
99
100 bench_new(&c, dst1, in, scale_arr, length[j]);
101 }
102 }
103 }
104 report("fmtconvert");
105 }
106