FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavutil/tests/cpu.c
Date: 2024-05-03 15:42:48
Exec Total Coverage
Lines: 34 39 87.2%
Functions: 2 2 100.0%
Branches: 14 19 73.7%
Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include <stdio.h>
20
21 #include "config.h"
22
23 #include "libavutil/cpu.h"
24 #include "libavutil/avstring.h"
25
26 #if HAVE_UNISTD_H
27 #include <unistd.h>
28 #endif
29 #if !HAVE_GETOPT
30 #include "compat/getopt.c"
31 #endif
32
33 static const struct {
34 int flag;
35 const char *name;
36 } cpu_flag_tab[] = {
37 #if ARCH_AARCH64
38 { AV_CPU_FLAG_ARMV8, "armv8" },
39 { AV_CPU_FLAG_NEON, "neon" },
40 { AV_CPU_FLAG_VFP, "vfp" },
41 { AV_CPU_FLAG_DOTPROD, "dotprod" },
42 { AV_CPU_FLAG_I8MM, "i8mm" },
43 #elif ARCH_ARM
44 { AV_CPU_FLAG_ARMV5TE, "armv5te" },
45 { AV_CPU_FLAG_ARMV6, "armv6" },
46 { AV_CPU_FLAG_ARMV6T2, "armv6t2" },
47 { AV_CPU_FLAG_VFP, "vfp" },
48 { AV_CPU_FLAG_VFP_VM, "vfp_vm" },
49 { AV_CPU_FLAG_VFPV3, "vfpv3" },
50 { AV_CPU_FLAG_NEON, "neon" },
51 { AV_CPU_FLAG_SETEND, "setend" },
52 #elif ARCH_PPC
53 { AV_CPU_FLAG_ALTIVEC, "altivec" },
54 #elif ARCH_MIPS
55 { AV_CPU_FLAG_MMI, "mmi" },
56 { AV_CPU_FLAG_MSA, "msa" },
57 #elif ARCH_X86
58 { AV_CPU_FLAG_MMX, "mmx" },
59 { AV_CPU_FLAG_MMXEXT, "mmxext" },
60 { AV_CPU_FLAG_SSE, "sse" },
61 { AV_CPU_FLAG_SSE2, "sse2" },
62 { AV_CPU_FLAG_SSE2SLOW, "sse2slow" },
63 { AV_CPU_FLAG_SSE3, "sse3" },
64 { AV_CPU_FLAG_SSE3SLOW, "sse3slow" },
65 { AV_CPU_FLAG_SSSE3, "ssse3" },
66 { AV_CPU_FLAG_ATOM, "atom" },
67 { AV_CPU_FLAG_SSE4, "sse4.1" },
68 { AV_CPU_FLAG_SSE42, "sse4.2" },
69 { AV_CPU_FLAG_AVX, "avx" },
70 { AV_CPU_FLAG_AVXSLOW, "avxslow" },
71 { AV_CPU_FLAG_XOP, "xop" },
72 { AV_CPU_FLAG_FMA3, "fma3" },
73 { AV_CPU_FLAG_FMA4, "fma4" },
74 { AV_CPU_FLAG_3DNOW, "3dnow" },
75 { AV_CPU_FLAG_3DNOWEXT, "3dnowext" },
76 { AV_CPU_FLAG_CMOV, "cmov" },
77 { AV_CPU_FLAG_AVX2, "avx2" },
78 { AV_CPU_FLAG_BMI1, "bmi1" },
79 { AV_CPU_FLAG_BMI2, "bmi2" },
80 { AV_CPU_FLAG_AESNI, "aesni" },
81 { AV_CPU_FLAG_AVX512, "avx512" },
82 { AV_CPU_FLAG_AVX512ICL, "avx512icl" },
83 { AV_CPU_FLAG_SLOW_GATHER, "slowgather" },
84 #elif ARCH_LOONGARCH
85 { AV_CPU_FLAG_LSX, "lsx" },
86 { AV_CPU_FLAG_LASX, "lasx" },
87 #elif ARCH_RISCV
88 { AV_CPU_FLAG_RVI, "rvi" },
89 { AV_CPU_FLAG_RVF, "rvf" },
90 { AV_CPU_FLAG_RVD, "rvd" },
91 { AV_CPU_FLAG_RVB_ADDR, "zba" },
92 { AV_CPU_FLAG_RVB_BASIC, "zbb" },
93 { AV_CPU_FLAG_RVV_I32, "zve32x" },
94 { AV_CPU_FLAG_RVV_F32, "zve32f" },
95 { AV_CPU_FLAG_RVV_I64, "zve64x" },
96 { AV_CPU_FLAG_RVV_F64, "zve64d" },
97 #endif
98 { 0 }
99 };
100
101 2 static void print_cpu_flags(int cpu_flags, const char *type)
102 {
103 int i;
104
105 2 printf("cpu_flags(%s) = 0x%08X\n", type, cpu_flags);
106 2 printf("cpu_flags_str(%s) =", type);
107
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 54 for (i = 0; cpu_flag_tab[i].flag; i++)
108
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 52 if (cpu_flags & cpu_flag_tab[i].flag)
109 15 printf(" %s", cpu_flag_tab[i].name);
110 2 printf("\n");
111 2 }
112
113
114 1 int main(int argc, char **argv)
115 {
116 1 int cpu_flags_raw = av_get_cpu_flags();
117 int cpu_flags_eff;
118 1 int cpu_count = av_cpu_count();
119 1 const char *threads = "auto";
120 int i;
121
122
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 27 for(i = 0; cpu_flag_tab[i].flag; i++) {
123 26 unsigned tmp = 0;
124
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 26 if (av_parse_cpu_caps(&tmp, cpu_flag_tab[i].name) < 0) {
125 ✗ fprintf(stderr, "Table missing %s\n", cpu_flag_tab[i].name);
126 ✗ return 4;
127 }
128 }
129
130
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 1 if (cpu_flags_raw < 0)
131 ✗ return 1;
132
133 2 for (;;) {
134 3 int c = getopt(argc, argv, "c:t:");
135
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 3 if (c == -1)
136 1 break;
137
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 2 switch (c) {
138 1 case 'c':
139 {
140 1 unsigned flags = av_get_cpu_flags();
141
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 1 if (av_parse_cpu_caps(&flags, optarg) < 0)
142 ✗ return 2;
143
144 1 av_force_cpu_flags(flags);
145 1 break;
146 }
147 1 case 't':
148 {
149 1 threads = optarg;
150 }
151 }
152 }
153
154 1 cpu_flags_eff = av_get_cpu_flags();
155
156
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 1 if (cpu_flags_eff < 0)
157 ✗ return 3;
158
159 1 print_cpu_flags(cpu_flags_raw, "raw");
160 1 print_cpu_flags(cpu_flags_eff, "effective");
161 1 printf("threads = %s (cpu_count = %d)\n", threads, cpu_count);
162
163 1 return 0;
164 }
165