Ducking fix #3: Removed the state as an input to the FilterAdaptation function

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 b059e84fcc84a2c0b991f4f2576ddf6c35767a4e..684b1c56b33c76e15b284b95c6b529f7f1df1f2e 100644
--- a/webrtc/modules/audio_processing/aec/aec_core_mips.c
+++ b/webrtc/modules/audio_processing/aec/aec_core_mips.c
@@ -437,21 +437,25 @@ void WebRtcAec_FilterFar_mips(
   }
 }
 
-void WebRtcAec_FilterAdaptation_mips(AecCore* aec,
-                                     float* fft,
-                                     float ef[2][PART_LEN1]) {
+void WebRtcAec_FilterAdaptation_mips(
+    int num_partitions,
+    int xfBufBlockPos,

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

Naming format.

[peah-webrtc, 2015/11/24 13:03:01]

Done.

+    float xfBuf[2][kExtendedNumPartitions * PART_LEN1],

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

Any const arrays?

[peah-webrtc, 2015/11/24 13:03:01]

Done.

+    float ef[2][PART_LEN1],
+    float wfBuf[2][kExtendedNumPartitions * PART_LEN1]) {
+  float fft[PART_LEN2];
   int i;
-  for (i = 0; i < aec->num_partitions; i++) {
-    int xPos = (i + aec->xfBufBlockPos)*(PART_LEN1);
+  for (i = 0; i < num_partitions; i++) {
+    int xPos = (i + xfBufBlockPos)*(PART_LEN1);
     int pos;
     // Check for wrap
-    if (i + aec->xfBufBlockPos >= aec->num_partitions) {
-      xPos -= aec->num_partitions * PART_LEN1;
+    if (i + xfBufBlockPos >= num_partitions) {
+      xPos -= num_partitions * PART_LEN1;
     }
 
     pos = i * PART_LEN1;
-    float* aRe = aec->xfBuf[0] + xPos;
-    float* aIm = aec->xfBuf[1] + xPos;
+    float* aRe = xfBuf[0] + xPos;
+    float* aIm = xfBuf[1] + xPos;
     float* bRe = ef[0];
     float* bIm = ef[1];
     float* fft_tmp;
@@ -578,8 +582,8 @@ void WebRtcAec_FilterAdaptation_mips(AecCore* aec,
       );
     }
     aec_rdft_forward_128(fft);
-    aRe = aec->wfBuf[0] + pos;
-    aIm = aec->wfBuf[1] + pos;
+    aRe = wfBuf[0] + pos;
+    aIm = wfBuf[1] + pos;
     __asm __volatile (
       ".set     push                                    \n\t"
       ".set     noreorder                               \n\t"
@@ -707,7 +711,7 @@ void WebRtcAec_OverdriveAndSuppress_mips(AecCore* aec,
 void WebRtcAec_ScaleErrorSignal_mips(int extended_filter_enabled,
                                      float normal_mu,
                                      float normal_error_threshold,
-                                     float *xPow,
+                                     float xPow[PART_LEN1],
                                      float ef[2][PART_LEN1]) {
   const float mu = extended_filter_enabled ? kExtendedMu : normal_mu;
   const float error_threshold = extended_filter_enabled