Added offline data logpoints and logging functionality to the gain controller

webrtc/modules/audio_processing/gain_control_for_experimental_agc.cc

 /*
  *  Copyright (c) 2016 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.
  */
 
 #include "webrtc/modules/audio_processing/gain_control_for_experimental_agc.h"
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/modules/audio_processing/include/audio_processing.h"
+#include "webrtc/modules/audio_processing/logging/apm_data_dumper.h"
 
 namespace webrtc {
 
+int GainControlForExperimentalAgc::instance_counter_ = 0;
+
 GainControlForExperimentalAgc::GainControlForExperimentalAgc(
     GainControl* gain_control,
     rtc::CriticalSection* crit_capture)
-    : real_gain_control_(gain_control),
+    : data_dumper_(new ApmDataDumper(instance_counter_)),
+      real_gain_control_(gain_control),
       volume_(0),
-      crit_capture_(crit_capture) {}
+      crit_capture_(crit_capture) {
+  instance_counter_++;
+}
+
+GainControlForExperimentalAgc::~GainControlForExperimentalAgc() = default;
 
 int GainControlForExperimentalAgc::Enable(bool enable) {
   return real_gain_control_->Enable(enable);
 }
 
 bool GainControlForExperimentalAgc::is_enabled() const {
   return real_gain_control_->is_enabled();
 }
 
 int GainControlForExperimentalAgc::set_stream_analog_level(int level) {
   rtc::CritScope cs_capture(crit_capture_);
+  data_dumper_->DumpRaw("experimental_gain_control_set_stream_analog_level", 1,
+                        &level);
   volume_ = level;
   return AudioProcessing::kNoError;
 }
 
 int GainControlForExperimentalAgc::stream_analog_level() {
   rtc::CritScope cs_capture(crit_capture_);
+  data_dumper_->DumpRaw("experimental_gain_control_stream_analog_level", 1,
+                        &volume_);
   return volume_;
 }
 
 int GainControlForExperimentalAgc::set_mode(Mode mode) {
   return AudioProcessing::kNoError;
 }
 
 GainControl::Mode GainControlForExperimentalAgc::mode() const {
   return GainControl::kAdaptiveAnalog;
 }
@@ skipping 42 matching lines @@
 void GainControlForExperimentalAgc::SetMicVolume(int volume) {
   rtc::CritScope cs_capture(crit_capture_);
   volume_ = volume;
 }
 
 int GainControlForExperimentalAgc::GetMicVolume() {
   rtc::CritScope cs_capture(crit_capture_);
   return volume_;
 }
 
+void GainControlForExperimentalAgc::Initialize() {
+  data_dumper_->InitiateNewSetOfRecordings();
+}
+
 }  // namespace webrtc