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
checkasm_check_fmtconvert(void)46 void 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