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-rw-r--r--media/webrtc/trunk/webrtc/modules/audio_processing/aec/aec_core.c38
1 files changed, 21 insertions, 17 deletions
diff --git a/media/webrtc/trunk/webrtc/modules/audio_processing/aec/aec_core.c b/media/webrtc/trunk/webrtc/modules/audio_processing/aec/aec_core.c
index 470c422db..1722ba82e 100644
--- a/media/webrtc/trunk/webrtc/modules/audio_processing/aec/aec_core.c
+++ b/media/webrtc/trunk/webrtc/modules/audio_processing/aec/aec_core.c
@@ -23,6 +23,7 @@
#include <stddef.h> // size_t
#include <stdlib.h>
#include <string.h>
+#include <stdbool.h>
#include "webrtc/common_audio/ring_buffer.h"
#include "webrtc/common_audio/signal_processing/include/signal_processing_library.h"
@@ -1573,33 +1574,36 @@ AecCore* WebRtcAec_CreateAec() {
#endif
aec->extended_filter_enabled = 0;
- // Assembly optimization
- WebRtcAec_FilterFar = FilterFar;
- WebRtcAec_ScaleErrorSignal = ScaleErrorSignal;
- WebRtcAec_FilterAdaptation = FilterAdaptation;
- WebRtcAec_OverdriveAndSuppress = OverdriveAndSuppress;
- WebRtcAec_ComfortNoise = ComfortNoise;
- WebRtcAec_SubbandCoherence = SubbandCoherence;
+ static bool initted = false;
+ if (!initted) {
+ initted = true;
+ // Assembly optimization
+ WebRtcAec_FilterFar = FilterFar;
+ WebRtcAec_ScaleErrorSignal = ScaleErrorSignal;
+ WebRtcAec_FilterAdaptation = FilterAdaptation;
+ WebRtcAec_OverdriveAndSuppress = OverdriveAndSuppress;
+ WebRtcAec_ComfortNoise = ComfortNoise;
+ WebRtcAec_SubbandCoherence = SubbandCoherence;
#if defined(WEBRTC_ARCH_X86_FAMILY)
- if (WebRtc_GetCPUInfo(kSSE2)) {
- WebRtcAec_InitAec_SSE2();
- }
+ if (WebRtc_GetCPUInfo(kSSE2)) {
+ WebRtcAec_InitAec_SSE2();
+ }
#endif
#if defined(MIPS_FPU_LE)
- WebRtcAec_InitAec_mips();
+ WebRtcAec_InitAec_mips();
#endif
#if defined(WEBRTC_ARCH_ARM_NEON)
- WebRtcAec_InitAec_neon();
-#elif defined(WEBRTC_DETECT_ARM_NEON)
- if ((WebRtc_GetCPUFeaturesARM() & kCPUFeatureNEON) != 0) {
WebRtcAec_InitAec_neon();
- }
+#elif defined(WEBRTC_DETECT_ARM_NEON)
+ if ((WebRtc_GetCPUFeaturesARM() & kCPUFeatureNEON) != 0) {
+ WebRtcAec_InitAec_neon();
+ }
#endif
-
- aec_rdft_init();
+ aec_rdft_init();
+ }
return aec;
}