Adding APM configuration in AEC dump.

webrtc/modules/audio_processing/audio_processing_impl.h

Index: webrtc/modules/audio_processing/audio_processing_impl.h
diff --git a/webrtc/modules/audio_processing/audio_processing_impl.h b/webrtc/modules/audio_processing/audio_processing_impl.h
index 15c6f7572f9a6e5a8fedebd2308676b1b166be43..ecf70957efaac839887054d56719965f492c4b0f 100644
--- a/webrtc/modules/audio_processing/audio_processing_impl.h
+++ b/webrtc/modules/audio_processing/audio_processing_impl.h
@@ -163,13 +163,64 @@ class AudioProcessingImpl : public AudioProcessing {
   rtc::scoped_ptr<AudioBuffer> capture_audio_;
   rtc::scoped_ptr<AudioConverter> render_converter_;
 #ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP
+  struct ApmConfig {
+    bool operator!=(const ApmConfig &rhs) const {
+      return (
+          // AEC
+          this->aec_enabled != rhs.aec_enabled ||
+          this->aec_delay_agnostic != rhs.aec_delay_agnostic ||
+          this->aec_drift_compensation != rhs.aec_drift_compensation ||
+          this->aec_extended_filter != rhs.aec_extended_filter ||
+          this->aec_suppression_level != rhs.aec_suppression_level ||
+          // AEC mobile
+          this->aecm_enabled != rhs.aecm_enabled ||
+          this->aecm_comfort_noise != rhs.aecm_comfort_noise ||
+          this->aecm_routing_mode != rhs.aecm_routing_mode ||
+          /// AGC
+          this->agc_enabled != rhs.agc_enabled ||
+          this->agc_experiment != rhs.agc_experiment ||
+          this->agc_mode != rhs.agc_mode ||
+          this->agc_limiter != rhs.agc_limiter ||
+          // HPF
+          this->hpf_enabled != rhs.hpf_enabled ||
+          // NS
+          this->ns_enabled != rhs.ns_enabled ||
+          this->ns_experiment != rhs.ns_experiment ||
+          this->ns_level != rhs.ns_level);
+    }
+    // Acoustic echo canceler
+    bool aec_enabled;
+    bool aec_delay_agnostic;
+    bool aec_drift_compensation;
+    bool aec_extended_filter;
+    EchoCancellation::SuppressionLevel aec_suppression_level;
+    // Mobile AEC
+    bool aecm_enabled;
+    bool aecm_comfort_noise;
+    EchoControlMobile::RoutingMode aecm_routing_mode;
+    // Automatic gain controller
+    bool agc_enabled;
+    bool agc_experiment;
+    GainControl::Mode agc_mode;
+    bool agc_limiter;
+    // High pass filter
+    bool hpf_enabled;
+    // Noise suppression
+    bool ns_enabled;
+    bool ns_experiment;
+    NoiseSuppression::Level ns_level;
+  };  // Configurations of APM components.
+
   // TODO(andrew): make this more graceful. Ideally we would split this stuff
   // out into a separate class with an "enabled" and "disabled" implementation.
   int WriteMessageToDebugFile();
   int WriteInitMessage();
+  int WriteConfigMessage();
+  ApmConfig GetCurrentConfig() const;
   rtc::scoped_ptr<FileWrapper> debug_file_;
   rtc::scoped_ptr<audioproc::Event> event_msg_;  // Protobuf message.
   std::string event_str_;  // Memory for protobuf serialization.
+  ApmConfig config_;
 #endif
 
   // Format of processing streams at input/output call sites.