Remove header files for the AEC and the APM test program that are no longer used.

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.
- */
-
-#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AEC_AEC_CORE_INTERNAL_H_
-#define WEBRTC_MODULES_AUDIO_PROCESSING_AEC_AEC_CORE_INTERNAL_H_
-
-#include <memory>
-
-extern "C" {
-#include "webrtc/common_audio/ring_buffer.h"
-}
-#include "webrtc/base/constructormagic.h"
-#include "webrtc/common_audio/wav_file.h"
-#include "webrtc/modules/audio_processing/aec/aec_common.h"
-#include "webrtc/modules/audio_processing/aec/aec_core.h"
-#include "webrtc/modules/audio_processing/logging/apm_data_dumper.h"
-#include "webrtc/modules/audio_processing/utility/block_mean_calculator.h"
-#include "webrtc/typedefs.h"
-
-namespace webrtc {
-
-// Number of partitions for the extended filter mode. The first one is an enum
-// to be used in array declarations, as it represents the maximum filter length.
-enum { kExtendedNumPartitions = 32 };
-static const int kNormalNumPartitions = 12;
-
-// Delay estimator constants, used for logging and delay compensation if
-// if reported delays are disabled.
-enum { kLookaheadBlocks = 15 };
-enum {
-  // 500 ms for 16 kHz which is equivalent with the limit of reported delays.
-  kHistorySizeBlocks = 125
-};
-
-typedef struct PowerLevel {
-  PowerLevel();
-
-  BlockMeanCalculator framelevel;
-  BlockMeanCalculator averagelevel;
-  float minlevel;
-} PowerLevel;
-
-class DivergentFilterFraction {
- public:
-  DivergentFilterFraction();
-
-  // Reset.
-  void Reset();
-
-  void AddObservation(const PowerLevel& nearlevel,
-                      const PowerLevel& linoutlevel,
-                      const PowerLevel& nlpoutlevel);
-
-  // Return the latest fraction.
-  float GetLatestFraction() const;
-
- private:
-  // Clear all values added.
-  void Clear();
-
-  size_t count_;
-  size_t occurrence_;
-  float fraction_;
-
-  RTC_DISALLOW_COPY_AND_ASSIGN(DivergentFilterFraction);
-};
-
-typedef struct CoherenceState {
-  complex_t sde[PART_LEN1];  // cross-psd of nearend and error
-  complex_t sxd[PART_LEN1];  // cross-psd of farend and nearend
-  float sx[PART_LEN1], sd[PART_LEN1], se[PART_LEN1];  // far, near, error psd
-} CoherenceState;
-
-struct AecCore {
-  explicit AecCore(int instance_index);
-  ~AecCore();
-
-  std::unique_ptr<ApmDataDumper> data_dumper;
-
-  CoherenceState coherence_state;
-
-  int farBufWritePos, farBufReadPos;
-
-  int knownDelay;
-  int inSamples, outSamples;
-  int delayEstCtr;
-
-  RingBuffer* nearFrBuf;
-  RingBuffer* outFrBuf;
-
-  RingBuffer* nearFrBufH[NUM_HIGH_BANDS_MAX];
-  RingBuffer* outFrBufH[NUM_HIGH_BANDS_MAX];
-
-  float dBuf[PART_LEN2];  // nearend
-  float eBuf[PART_LEN2];  // error
-
-  float dBufH[NUM_HIGH_BANDS_MAX][PART_LEN2];  // nearend
-
-  float xPow[PART_LEN1];
-  float dPow[PART_LEN1];
-  float dMinPow[PART_LEN1];
-  float dInitMinPow[PART_LEN1];
-  float* noisePow;
-
-  float xfBuf[2][kExtendedNumPartitions * PART_LEN1];  // farend fft buffer
-  float wfBuf[2][kExtendedNumPartitions * PART_LEN1];  // filter fft
-  // Farend windowed fft buffer.
-  complex_t xfwBuf[kExtendedNumPartitions * PART_LEN1];
-
-  float hNs[PART_LEN1];
-  float hNlFbMin, hNlFbLocalMin;
-  float hNlXdAvgMin;
-  int hNlNewMin, hNlMinCtr;
-  float overDrive;
-  float overdrive_scaling;
-  int nlp_mode;
-  float outBuf[PART_LEN];
-  int delayIdx;
-
-  short stNearState, echoState;
-  short divergeState;
-
-  int xfBufBlockPos;
-
-  RingBuffer* far_time_buf;
-
-  int system_delay;  // Current system delay buffered in AEC.
-
-  int mult;  // sampling frequency multiple
-  int sampFreq = 16000;
-  size_t num_bands;
-  uint32_t seed;
-
-  float filter_step_size;  // stepsize
-  float error_threshold;   // error threshold
-
-  int noiseEstCtr;
-
-  PowerLevel farlevel;
-  PowerLevel nearlevel;
-  PowerLevel linoutlevel;
-  PowerLevel nlpoutlevel;
-
-  int metricsMode;
-  int stateCounter;
-  Stats erl;
-  Stats erle;
-  Stats aNlp;
-  Stats rerl;
-  DivergentFilterFraction divergent_filter_fraction;
-
-  // Quantities to control H band scaling for SWB input
-  int freq_avg_ic;       // initial bin for averaging nlp gain
-  int flag_Hband_cn;     // for comfort noise
-  float cn_scale_Hband;  // scale for comfort noise in H band
-
-  int delay_metrics_delivered;
-  int delay_histogram[kHistorySizeBlocks];
-  int num_delay_values;
-  int delay_median;
-  int delay_std;
-  float fraction_poor_delays;
-  int delay_logging_enabled;
-  void* delay_estimator_farend;
-  void* delay_estimator;
-  // Variables associated with delay correction through signal based delay
-  // estimation feedback.
-  int signal_delay_correction;
-  int previous_delay;
-  int delay_correction_count;
-  int shift_offset;
-  float delay_quality_threshold;
-  int frame_count;
-
-  // 0 = delay agnostic mode (signal based delay correction) disabled.
-  // Otherwise enabled.
-  int delay_agnostic_enabled;
-  // 1 = extended filter mode enabled, 0 = disabled.
-  int extended_filter_enabled;
-  // 1 = next generation aec mode enabled, 0 = disabled.
-  int aec3_enabled;
-  bool refined_adaptive_filter_enabled;
-
-  // Runtime selection of number of filter partitions.
-  int num_partitions;
-
-  // Flag that extreme filter divergence has been detected by the Echo
-  // Suppressor.
-  int extreme_filter_divergence;
-};
-
-typedef void (*WebRtcAecFilterFar)(
-    int num_partitions,
-    int x_fft_buf_block_pos,
-    float x_fft_buf[2][kExtendedNumPartitions * PART_LEN1],
-    float h_fft_buf[2][kExtendedNumPartitions * PART_LEN1],
-    float y_fft[2][PART_LEN1]);
-extern WebRtcAecFilterFar WebRtcAec_FilterFar;
-typedef void (*WebRtcAecScaleErrorSignal)(float mu,
-                                          float error_threshold,
-                                          float x_pow[PART_LEN1],
-                                          float ef[2][PART_LEN1]);
-extern WebRtcAecScaleErrorSignal WebRtcAec_ScaleErrorSignal;
-typedef void (*WebRtcAecFilterAdaptation)(
-    int num_partitions,
-    int x_fft_buf_block_pos,
-    float x_fft_buf[2][kExtendedNumPartitions * PART_LEN1],
-    float e_fft[2][PART_LEN1],
-    float h_fft_buf[2][kExtendedNumPartitions * PART_LEN1]);
-extern WebRtcAecFilterAdaptation WebRtcAec_FilterAdaptation;
-
-typedef void (*WebRtcAecOverdrive)(float overdrive_scaling,
-                                   const float hNlFb,
-                                   float hNl[PART_LEN1]);
-extern WebRtcAecOverdrive WebRtcAec_Overdrive;
-
-typedef void (*WebRtcAecSuppress)(const float hNl[PART_LEN1],
-                                  float efw[2][PART_LEN1]);
-extern WebRtcAecSuppress WebRtcAec_Suppress;
-
-typedef void (*WebRtcAecComputeCoherence)(const CoherenceState* coherence_state,
-                                          float* cohde,
-                                          float* cohxd);
-extern WebRtcAecComputeCoherence WebRtcAec_ComputeCoherence;
-
-typedef void (*WebRtcAecUpdateCoherenceSpectra)(int mult,
-                                                bool extended_filter_enabled,
-                                                float efw[2][PART_LEN1],
-                                                float dfw[2][PART_LEN1],
-                                                float xfw[2][PART_LEN1],
-                                                CoherenceState* coherence_state,
-                                                short* filter_divergence_state,
-                                                int* extreme_filter_divergence);
-extern WebRtcAecUpdateCoherenceSpectra WebRtcAec_UpdateCoherenceSpectra;
-
-typedef int (*WebRtcAecPartitionDelay)(
-    int num_partitions,
-    float h_fft_buf[2][kExtendedNumPartitions * PART_LEN1]);
-extern WebRtcAecPartitionDelay WebRtcAec_PartitionDelay;
-
-typedef void (*WebRtcAecStoreAsComplex)(const float* data,
-                                        float data_complex[2][PART_LEN1]);
-extern WebRtcAecStoreAsComplex WebRtcAec_StoreAsComplex;
-
-typedef void (*WebRtcAecWindowData)(float* x_windowed, const float* x);
-extern WebRtcAecWindowData WebRtcAec_WindowData;
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AEC_AEC_CORE_INTERNAL_H_