diff options
| -rw-r--r-- | libavutil/cpu.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/libavutil/cpu.c b/libavutil/cpu.c index 34530eebaf..1548530b87 100644 --- a/libavutil/cpu.c +++ b/libavutil/cpu.c @@ -21,10 +21,17 @@ int av_get_cpu_flags(void) { - if (ARCH_ARM) return ff_get_cpu_flags_arm(); - if (ARCH_PPC) return ff_get_cpu_flags_ppc(); - if (ARCH_X86) return ff_get_cpu_flags_x86(); - return 0; + static int flags, checked; + + if (checked) + return flags; + + if (ARCH_ARM) flags = ff_get_cpu_flags_arm(); + if (ARCH_PPC) flags = ff_get_cpu_flags_ppc(); + if (ARCH_X86) flags = ff_get_cpu_flags_x86(); + + checked = 1; + return flags; } #ifdef TEST |