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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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 <stdio.h>
#include "config.h"
#include "libavutil/cpu.h"
#include "libavutil/avstring.h"
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if !HAVE_GETOPT
#include "compat/getopt.c"
#endif
static const struct {
int flag;
const char *name;
} cpu_flag_tab[] = {
#if ARCH_AARCH64
{ AV_CPU_FLAG_ARMV8, "armv8" },
{ AV_CPU_FLAG_NEON, "neon" },
{ AV_CPU_FLAG_VFP, "vfp" },
{ AV_CPU_FLAG_DOTPROD, "dotprod" },
{ AV_CPU_FLAG_I8MM, "i8mm" },
#elif ARCH_ARM
{ AV_CPU_FLAG_ARMV5TE, "armv5te" },
{ AV_CPU_FLAG_ARMV6, "armv6" },
{ AV_CPU_FLAG_ARMV6T2, "armv6t2" },
{ AV_CPU_FLAG_VFP, "vfp" },
{ AV_CPU_FLAG_VFP_VM, "vfp_vm" },
{ AV_CPU_FLAG_VFPV3, "vfpv3" },
{ AV_CPU_FLAG_NEON, "neon" },
{ AV_CPU_FLAG_SETEND, "setend" },
#elif ARCH_PPC
{ AV_CPU_FLAG_ALTIVEC, "altivec" },
#elif ARCH_MIPS
{ AV_CPU_FLAG_MMI, "mmi" },
{ AV_CPU_FLAG_MSA, "msa" },
#elif ARCH_X86
{ AV_CPU_FLAG_MMX, "mmx" },
{ AV_CPU_FLAG_MMXEXT, "mmxext" },
{ AV_CPU_FLAG_SSE, "sse" },
{ AV_CPU_FLAG_SSE2, "sse2" },
{ AV_CPU_FLAG_SSE2SLOW, "sse2slow" },
{ AV_CPU_FLAG_SSE3, "sse3" },
{ AV_CPU_FLAG_SSE3SLOW, "sse3slow" },
{ AV_CPU_FLAG_SSSE3, "ssse3" },
{ AV_CPU_FLAG_ATOM, "atom" },
{ AV_CPU_FLAG_SSE4, "sse4.1" },
{ AV_CPU_FLAG_SSE42, "sse4.2" },
{ AV_CPU_FLAG_AVX, "avx" },
{ AV_CPU_FLAG_AVXSLOW, "avxslow" },
{ AV_CPU_FLAG_XOP, "xop" },
{ AV_CPU_FLAG_FMA3, "fma3" },
{ AV_CPU_FLAG_FMA4, "fma4" },
{ AV_CPU_FLAG_3DNOW, "3dnow" },
{ AV_CPU_FLAG_3DNOWEXT, "3dnowext" },
{ AV_CPU_FLAG_CMOV, "cmov" },
{ AV_CPU_FLAG_AVX2, "avx2" },
{ AV_CPU_FLAG_BMI1, "bmi1" },
{ AV_CPU_FLAG_BMI2, "bmi2" },
{ AV_CPU_FLAG_AESNI, "aesni" },
{ AV_CPU_FLAG_AVX512, "avx512" },
{ AV_CPU_FLAG_AVX512ICL, "avx512icl" },
{ AV_CPU_FLAG_SLOW_GATHER, "slowgather" },
#elif ARCH_LOONGARCH
{ AV_CPU_FLAG_LSX, "lsx" },
{ AV_CPU_FLAG_LASX, "lasx" },
#elif ARCH_RISCV
{ AV_CPU_FLAG_RVI, "rvi" },
{ AV_CPU_FLAG_RVB_BASIC, "zbb" },
{ AV_CPU_FLAG_RVB, "rvb" },
{ AV_CPU_FLAG_RVV_I32, "zve32x" },
{ AV_CPU_FLAG_RVV_F32, "zve32f" },
{ AV_CPU_FLAG_RVV_I64, "zve64x" },
{ AV_CPU_FLAG_RVV_F64, "zve64d" },
{ AV_CPU_FLAG_RV_ZVBB, "zvbb" },
{ AV_CPU_FLAG_RV_MISALIGNED, "misaligned" },
#endif
{ 0 }
};
static void print_cpu_flags(int cpu_flags, const char *type)
{
int i;
printf("cpu_flags(%s) = 0x%08X\n", type, cpu_flags);
printf("cpu_flags_str(%s) =", type);
for (i = 0; cpu_flag_tab[i].flag; i++)
if (cpu_flags & cpu_flag_tab[i].flag)
printf(" %s", cpu_flag_tab[i].name);
printf("\n");
}
int main(int argc, char **argv)
{
int cpu_flags_raw = av_get_cpu_flags();
int cpu_flags_eff;
int cpu_count = av_cpu_count();
const char *threads = "auto";
int i;
for(i = 0; cpu_flag_tab[i].flag; i++) {
unsigned tmp = 0;
if (av_parse_cpu_caps(&tmp, cpu_flag_tab[i].name) < 0) {
fprintf(stderr, "Table missing %s\n", cpu_flag_tab[i].name);
return 4;
}
}
if (cpu_flags_raw < 0)
return 1;
for (;;) {
int c = getopt(argc, argv, "c:t:");
if (c == -1)
break;
switch (c) {
case 'c':
{
unsigned flags = av_get_cpu_flags();
if (av_parse_cpu_caps(&flags, optarg) < 0)
return 2;
av_force_cpu_flags(flags);
break;
}
case 't':
{
threads = optarg;
}
}
}
cpu_flags_eff = av_get_cpu_flags();
if (cpu_flags_eff < 0)
return 3;
print_cpu_flags(cpu_flags_raw, "raw");
print_cpu_flags(cpu_flags_eff, "effective");
printf("threads = %s (cpu_count = %d)\n", threads, cpu_count);
return 0;
}
|
