Ducking fix #1:Initial refactoring preparing for further AEC work (changes are bitexact).

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 bb33087aee9ff51e1a290463efee7c1b9b02f9be..59d655d86606bac0c401c26ab1e9bf91ec25b208 100644
--- a/webrtc/modules/audio_processing/aec/aec_core_mips.c
+++ b/webrtc/modules/audio_processing/aec/aec_core_mips.c
@@ -699,15 +699,18 @@ void WebRtcAec_OverdriveAndSuppress_mips(AecCore* aec,
   }
 }
 
-void WebRtcAec_ScaleErrorSignal_mips(AecCore* aec, float ef[2][PART_LEN1]) {
-  const float mu = aec->extended_filter_enabled ? kExtendedMu : aec->normal_mu;
-  const float error_threshold = aec->extended_filter_enabled
+void WebRtcAec_ScaleErrorSignal_mips(int extended_filter_enabled,
+                                     float normal_mu,
+                                     float normal_error_threshold,
+                                     float *xPow,

[hlundin-webrtc, 2015/11/20 10:55:40]

x_pow

[peah-webrtc, 2015/11/23 21:39:07]

Done.

+                                     float ef[2][PART_LEN1]) {
+  const float mu = extended_filter_enabled ? kExtendedMu : normal_mu;
+  const float error_threshold = extended_filter_enabled
                                     ? kExtendedErrorThreshold
-                                    : aec->normal_error_threshold;
+                                    : normal_error_threshold;
   int len = (PART_LEN1);
   float* ef0 = ef[0];
   float* ef1 = ef[1];
-  float* xPow = aec->xPow;
   float fac1 = 1e-10f;
   float err_th2 = error_threshold * error_threshold;
   float f0, f1, f2;
@@ -771,4 +774,3 @@ void WebRtcAec_InitAec_mips(void) {
   WebRtcAec_ComfortNoise = WebRtcAec_ComfortNoise_mips;
   WebRtcAec_OverdriveAndSuppress = WebRtcAec_OverdriveAndSuppress_mips;
 }
-