Adding APM configuration in AEC dump.

webrtc/modules/audio_processing/gain_control_impl.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.
  */
 
@@ skipping 21 matching lines @@
   int AnalyzeCaptureAudio(AudioBuffer* audio);
   int ProcessCaptureAudio(AudioBuffer* audio);
 
   // ProcessingComponent implementation.
   int Initialize() override;
 
   // GainControl implementation.
   bool is_enabled() const override;
   int stream_analog_level() override;
 
+  bool is_limiter_enabled() const override;
+  Mode mode() const override;

[peah-webrtc, 2015/09/22 12:05:29]

Is it really needed to change the public/private statuses of the member
functions? These are public in the GainControl parent class and they are
publicly accessed from elsewhere so I don't think this api change is needed.

[minyue-webrtc, 2015/09/22 13:19:29]

Similar to suppression_level() in echo_cancellation_impl.cc

[peah-webrtc, 2015/09/24 09:28:02]

Acknowledged.

+
  private:
   // GainControl implementation.
   int Enable(bool enable) override;
   int set_stream_analog_level(int level) override;
   int set_mode(Mode mode) override;
-  Mode mode() const override;
   int set_target_level_dbfs(int level) override;
   int target_level_dbfs() const override;
   int set_compression_gain_db(int gain) override;
   int compression_gain_db() const override;
   int enable_limiter(bool enable) override;
-  bool is_limiter_enabled() const override;
   int set_analog_level_limits(int minimum, int maximum) override;
   int analog_level_minimum() const override;
   int analog_level_maximum() const override;
   bool stream_is_saturated() const override;
 
   // ProcessingComponent implementation.
   void* CreateHandle() const override;
   int InitializeHandle(void* handle) const override;
   int ConfigureHandle(void* handle) const override;
   void DestroyHandle(void* handle) const override;
   int num_handles_required() const override;
   int GetHandleError(void* handle) const override;
 
   const AudioProcessing* apm_;
   CriticalSectionWrapper* crit_;
   Mode mode_;
   int minimum_capture_level_;
   int maximum_capture_level_;
   bool limiter_enabled_;
   int target_level_dbfs_;
   int compression_gain_db_;
   std::vector<int> capture_levels_;
   int analog_capture_level_;
   bool was_analog_level_set_;
   bool stream_is_saturated_;
 };
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_GAIN_CONTROL_IMPL_H_