Echo Suppressor code simplification using the InverseFft function (#5)

webrtc/modules/audio_processing/aec/aec_core_mips.c

Index: webrtc/modules/audio_processing/aec/aec_core_mips.c
diff --git a/webrtc/modules/audio_processing/aec/aec_core_mips.c b/webrtc/modules/audio_processing/aec/aec_core_mips.c
index 7d64c2a836d10774f6075e5d92487ec0d994bfc1..5f27d0317ed667655a09cf482fc7aae9e25ceac9 100644
--- a/webrtc/modules/audio_processing/aec/aec_core_mips.c
+++ b/webrtc/modules/audio_processing/aec/aec_core_mips.c
@@ -20,7 +20,6 @@
 #include "webrtc/modules/audio_processing/aec/aec_core_internal.h"
 #include "webrtc/modules/audio_processing/aec/aec_rdft.h"
 
-static const int flagHbandCn = 1; // flag for adding comfort noise in H band
 extern const float WebRtcAec_weightCurve[65];
 extern const float WebRtcAec_overDriveCurve[65];
 
@@ -274,7 +273,7 @@ void WebRtcAec_ComfortNoise_mips(AecCore* aec,
   noiseAvg = 0.0;
   tmpAvg = 0.0;
   num = 0;
-  if (aec->num_bands > 1 && flagHbandCn == 1) {

[minyue-webrtc, 2015/12/04 09:10:10]

I am not sure if this should be removed.

[peah-webrtc, 2015/12/04 09:54:39]

Please see the response for aec_core.c about this.

+  if (aec->num_bands > 1) {
     for (i = 0; i < PART_LEN; i++) {
       rand[i] = ((float)randW16[i]) / 32768;
     }