27 #if HAVE_SCHED_GETAFFINITY
31 #if HAVE_GETPROCESSAFFINITYMASK
36 #include <sys/param.h>
38 #include <sys/types.h>
39 #include <sys/sysctl.h>
77 #define CPUFLAG_MMXEXT (AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT | AV_CPU_FLAG_CMOV)
78 #define CPUFLAG_3DNOW (AV_CPU_FLAG_3DNOW | AV_CPU_FLAG_MMX)
79 #define CPUFLAG_3DNOWEXT (AV_CPU_FLAG_3DNOWEXT | CPUFLAG_3DNOW)
80 #define CPUFLAG_SSE (AV_CPU_FLAG_SSE | CPUFLAG_MMXEXT)
81 #define CPUFLAG_SSE2 (AV_CPU_FLAG_SSE2 | CPUFLAG_SSE)
82 #define CPUFLAG_SSE2SLOW (AV_CPU_FLAG_SSE2SLOW | CPUFLAG_SSE2)
83 #define CPUFLAG_SSE3 (AV_CPU_FLAG_SSE3 | CPUFLAG_SSE2)
84 #define CPUFLAG_SSE3SLOW (AV_CPU_FLAG_SSE3SLOW | CPUFLAG_SSE3)
85 #define CPUFLAG_SSSE3 (AV_CPU_FLAG_SSSE3 | CPUFLAG_SSE3)
86 #define CPUFLAG_SSE4 (AV_CPU_FLAG_SSE4 | CPUFLAG_SSSE3)
87 #define CPUFLAG_SSE42 (AV_CPU_FLAG_SSE42 | CPUFLAG_SSE4)
88 #define CPUFLAG_AVX (AV_CPU_FLAG_AVX | CPUFLAG_SSE42)
89 #define CPUFLAG_XOP (AV_CPU_FLAG_XOP | CPUFLAG_AVX)
90 #define CPUFLAG_FMA4 (AV_CPU_FLAG_FMA4 | CPUFLAG_AVX)
91 #define CPUFLAG_AVX2 (AV_CPU_FLAG_AVX2 | CPUFLAG_AVX)
92 static const AVOption cpuflags_opts[] = {
131 .option = cpuflags_opts,
136 const AVClass *pclass = &
class;
141 return flags & INT_MAX;
147 #if HAVE_SCHED_GETAFFINITY && defined(CPU_COUNT)
152 if (!sched_getaffinity(0,
sizeof(cpuset), &cpuset))
153 nb_cpus = CPU_COUNT(&cpuset);
154 #elif HAVE_GETPROCESSAFFINITYMASK
155 DWORD_PTR proc_aff, sys_aff;
156 if (GetProcessAffinityMask(GetCurrentProcess(), &proc_aff, &sys_aff))
157 nb_cpus = av_popcount64(proc_aff);
158 #elif HAVE_SYSCTL && defined(HW_NCPU)
159 int mib[2] = { CTL_HW, HW_NCPU };
160 size_t len =
sizeof(nb_cpus);
162 if (sysctl(mib, 2, &nb_cpus, &len,
NULL, 0) == -1)
164 #elif HAVE_SYSCONF && defined(_SC_NPROC_ONLN)
165 nb_cpus = sysconf(_SC_NPROC_ONLN);
166 #elif HAVE_SYSCONF && defined(_SC_NPROCESSORS_ONLN)
167 nb_cpus = sysconf(_SC_NPROCESSORS_ONLN);
177 static const struct {
221 printf(
"cpu_flags = 0x%08X\n", cpu_flags);
222 printf(
"cpu_flags =");
223 for (i = 0; cpu_flag_tab[i].flag; i++)
224 if (cpu_flags & cpu_flag_tab[i].flag)
225 printf(
" %s", cpu_flag_tab[i].
name);