Ducking fix #2: Removed the aec state as an input parameter to the FilterFar 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 59d655d86606bac0c401c26ab1e9bf91ec25b208..b059e84fcc84a2c0b991f4f2576ddf6c35767a4e 100644
--- a/webrtc/modules/audio_processing/aec/aec_core_mips.c
+++ b/webrtc/modules/audio_processing/aec/aec_core_mips.c
@@ -320,21 +320,26 @@ void WebRtcAec_ComfortNoise_mips(AecCore* aec,
   }
 }
 
-void WebRtcAec_FilterFar_mips(AecCore* aec, float yf[2][PART_LEN1]) {
+void WebRtcAec_FilterFar_mips(
+    int num_partitions,
+    int xfBufBlockPos,
+    float xfBuf[2][kExtendedNumPartitions * PART_LEN1],
+    float wfBuf[2][kExtendedNumPartitions * PART_LEN1],
+    float yf[2][PART_LEN1]) {
   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 = i * PART_LEN1;
     // 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);
     }
     float* yf0 = yf[0];
     float* yf1 = yf[1];
-    float* aRe = aec->xfBuf[0] + xPos;
-    float* aIm = aec->xfBuf[1] + xPos;
-    float* bRe = aec->wfBuf[0] + pos;
-    float* bIm = aec->wfBuf[1] + pos;
+    float* aRe = xfBuf[0] + xPos;
+    float* aIm = xfBuf[1] + xPos;
+    float* bRe = wfBuf[0] + pos;
+    float* bIm = wfBuf[1] + pos;
     float f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13;
     int len = PART_LEN1 >> 1;