1 files changed, 11 insertions, 0 deletions
diff --git a/modules/audio_processing/aec3/aec3_fft.cc b/modules/audio_processing/aec3/aec3_fft.cc
index 1832101855..d1d4f7da06 100644
--- a/modules/audio_processing/aec3/aec3_fft.cc
+++ b/modules/audio_processing/aec3/aec3_fft.cc
@@ -15,6 +15,7 @@
 #include <iterator>
 
 #include "rtc_base/checks.h"
+#include "system_wrappers/include/cpu_features_wrapper.h"
 
 namespace webrtc {
 
@@ -70,8 +71,18 @@ const float kSqrtHanning128[kFftLength] = {
     0.19509032201613f, 0.17096188876030f, 0.14673047445536f, 0.12241067519922f,
     0.09801714032956f, 0.07356456359967f, 0.04906767432742f, 0.02454122852291f};
 
+bool IsSse2Available() {
+#if defined(WEBRTC_ARCH_X86_FAMILY)
+  return WebRtc_GetCPUInfo(kSSE2) != 0;
+#else
+  return false;
+#endif
+}
+
 }  // namespace
 
+Aec3Fft::Aec3Fft() : ooura_fft_(IsSse2Available()) {}
+
 // TODO(peah): Change x to be std::array once the rest of the code allows this.
 void Aec3Fft::ZeroPaddedFft(rtc::ArrayView<const float> x,
                             Window window,