1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <math.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "libavcodec/audiodsp.h"
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem_internal.h"
#include "checkasm.h"
#define MAX_SIZE (32 * 128)
#define randomize_float(buf, len) \
do { \
int i; \
for (i = 0; i < len; i++) { \
float f = (float)rnd() / (UINT_MAX >> 5) - 16.0f; \
buf[i] = f; \
} \
} while (0)
#define randomize_int(buf, len, size, bits) \
do { \
int i; \
for (i = 0; i < len; i++) { \
uint ## size ## _t r = rnd() & ((1LL << bits) - 1); \
AV_WN ## size ## A(buf + i, -(1LL << (bits - 1)) + r); \
} \
} while (0)
void checkasm_check_audiodsp(void)
{
AudioDSPContext adsp;
ff_audiodsp_init(&adsp);
if (check_func(adsp.scalarproduct_int16, "audiodsp.scalarproduct_int16")) {
LOCAL_ALIGNED(32, int16_t, v1, [MAX_SIZE]);
LOCAL_ALIGNED(32, int16_t, v2, [MAX_SIZE]);
unsigned int len_bits_minus4, v1_bits, v2_bits, len;
int32_t res0, res1;
declare_func_emms(AV_CPU_FLAG_MMX, int32_t, const int16_t *v1, const int16_t *v2, int len);
// generate random 5-12bit vector length
len_bits_minus4 = rnd() % 8;
len = rnd() & ((1 << len_bits_minus4) - 1);
len = 16 * FFMAX(len, 1);
// generate the bit counts for each of the vectors such that the result
// fits into int32
v1_bits = 1 + rnd() % 15;
v2_bits = FFMIN(32 - (len_bits_minus4 + 4) - v1_bits - 1, 15);
randomize_int(v1, MAX_SIZE, 16, v1_bits + 1);
randomize_int(v2, MAX_SIZE, 16, v2_bits + 1);
res0 = call_ref(v1, v2, len);
res1 = call_new(v1, v2, len);
if (res0 != res1)
fail();
bench_new(v1, v2, MAX_SIZE);
}
if (check_func(adsp.vector_clip_int32, "audiodsp.vector_clip_int32")) {
LOCAL_ALIGNED(32, int32_t, src, [MAX_SIZE]);
LOCAL_ALIGNED(32, int32_t, dst0, [MAX_SIZE]);
LOCAL_ALIGNED(32, int32_t, dst1, [MAX_SIZE]);
int32_t val1, val2, min, max;
int len;
declare_func_emms(AV_CPU_FLAG_MMX, void, int32_t *dst, const int32_t *src,
int32_t min, int32_t max, unsigned int len);
val1 = ((int32_t)rnd());
val1 = FFSIGN(val1) * (val1 & ((1 << 24) - 1));
val2 = ((int32_t)rnd());
val2 = FFSIGN(val2) * (val2 & ((1 << 24) - 1));
min = FFMIN(val1, val2);
max = FFMAX(val1, val2);
randomize_int(src, MAX_SIZE, 32, 32);
len = rnd() % 128;
len = 32 * FFMAX(len, 1);
call_ref(dst0, src, min, max, len);
call_new(dst1, src, min, max, len);
if (memcmp(dst0, dst1, len * sizeof(*dst0)))
fail();
bench_new(dst1, src, min, max, MAX_SIZE);
}
if (check_func(adsp.vector_clipf, "audiodsp.vector_clipf")) {
LOCAL_ALIGNED(32, float, src, [MAX_SIZE]);
LOCAL_ALIGNED(32, float, dst0, [MAX_SIZE]);
LOCAL_ALIGNED(32, float, dst1, [MAX_SIZE]);
float val1, val2, min, max;
int i, len;
declare_func_emms(AV_CPU_FLAG_MMX, void, float *dst, const float *src,
int len, float min, float max);
val1 = (float)rnd() / (UINT_MAX >> 1) - 1.0f;
val2 = (float)rnd() / (UINT_MAX >> 1) - 1.0f;
min = FFMIN(val1, val2);
max = FFMAX(val1, val2);
randomize_float(src, MAX_SIZE);
len = rnd() % 128;
len = 16 * FFMAX(len, 1);
call_ref(dst0, src, len, min, max);
call_new(dst1, src, len, min, max);
for (i = 0; i < len; i++) {
if (!float_near_ulp_array(dst0, dst1, 3, len))
fail();
}
bench_new(dst1, src, MAX_SIZE, min, max);
}
report("audiodsp");
}
|
