Removed the file echo_cancellation_internal.h and moved the file content to echo_cancellation.h.

webrtc/modules/audio_processing/aec/echo_cancellation_internal.h

-/*
- *  Copyright (c) 2012 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.
- */
-
-#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AEC_ECHO_CANCELLATION_INTERNAL_H_
-#define WEBRTC_MODULES_AUDIO_PROCESSING_AEC_ECHO_CANCELLATION_INTERNAL_H_
-
-#include <memory>
-
-extern "C" {
-#include "webrtc/common_audio/ring_buffer.h"
-}
-#include "webrtc/modules/audio_processing/aec/aec_core.h"
-
-namespace webrtc {
-
-class ApmDataDumper;
-
-typedef struct Aec {
-  std::unique_ptr<ApmDataDumper> data_dumper;
-
-  int delayCtr;
-  int sampFreq;
-  int splitSampFreq;
-  int scSampFreq;
-  float sampFactor;  // scSampRate / sampFreq
-  short skewMode;
-  int bufSizeStart;
-  int knownDelay;
-  int rate_factor;
-
-  short initFlag;  // indicates if AEC has been initialized
-
-  // Variables used for averaging far end buffer size
-  short counter;
-  int sum;
-  short firstVal;
-  short checkBufSizeCtr;
-
-  // Variables used for delay shifts
-  short msInSndCardBuf;
-  short filtDelay;  // Filtered delay estimate.
-  int timeForDelayChange;
-  int startup_phase;
-  int checkBuffSize;
-  short lastDelayDiff;
-
-  // Structures
-  void* resampler;
-
-  int skewFrCtr;
-  int resample;  // if the skew is small enough we don't resample
-  int highSkewCtr;
-  float skew;
-
-  RingBuffer* far_pre_buf;  // Time domain far-end pre-buffer.
-
-  int farend_started;
-
-  // Aec instance counter.
-  static int instance_count;
-  AecCore* aec;
-} Aec;
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AEC_ECHO_CANCELLATION_INTERNAL_H_