Ducking fix #2: Removed the aec state as an input parameter to the FilterFar function.

webrtc/modules/audio_processing/aec/aec_core_internal.h

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 152 matching lines @@
 
   RingBuffer* far_time_buf;
   rtc_WavWriter* farFile;
   rtc_WavWriter* nearFile;
   rtc_WavWriter* outFile;
   rtc_WavWriter* outLinearFile;
   FILE* e_fft_file;
 #endif
 };
 
-typedef void (*WebRtcAecFilterFar)(AecCore* aec, float yf[2][PART_LEN1]);
+typedef void (*WebRtcAecFilterFar)(
+    int num_partitions,
+    int x_fft_buffer_block_pos,
+    float x_fft_buffer[2][kExtendedNumPartitions * PART_LEN1],
+    float h_fft_buffer[2][kExtendedNumPartitions * PART_LEN1],
+    float y_fft[2][PART_LEN1]);
 extern WebRtcAecFilterFar WebRtcAec_FilterFar;
 typedef void (*WebRtcAecScaleErrorSignal)(int extended_filter_enabled,
                                           float normal_mu,
                                           float normal_error_threshold,
                                           float* xPow,
                                           float ef[2][PART_LEN1]);
 extern WebRtcAecScaleErrorSignal WebRtcAec_ScaleErrorSignal;
 typedef void (*WebRtcAecFilterAdaptation)(AecCore* aec,
                                           float* fft,
                                           float ef[2][PART_LEN1]);
@@ skipping 13 matching lines @@
 
 typedef void (*WebRtcAecSubBandCoherence)(AecCore* aec,
                                           float efw[2][PART_LEN1],
                                           float xfw[2][PART_LEN1],
                                           float* fft,
                                           float* cohde,
                                           float* cohxd);
 extern WebRtcAecSubBandCoherence WebRtcAec_SubbandCoherence;
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AEC_AEC_CORE_INTERNAL_H_