Make LevelEstimation not a ProcessingComponent.

webrtc/modules/audio_processing/audio_processing_impl.cc

 /*
  *  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 132 matching lines @@
  private:
   GainControl* real_gain_control_;
   int volume_;
 };
 
 struct AudioProcessingImpl::ApmPublicSubmodules {
   ApmPublicSubmodules()
       : echo_cancellation(nullptr),
         echo_control_mobile(nullptr),
         gain_control(nullptr),
-        level_estimator(nullptr),
         voice_detection(nullptr) {}
   // Accessed externally of APM without any lock acquired.
   EchoCancellationImpl* echo_cancellation;
   EchoControlMobileImpl* echo_control_mobile;
   GainControlImpl* gain_control;
   rtc::scoped_ptr<HighPassFilterImpl> high_pass_filter;
-  LevelEstimatorImpl* level_estimator;
+  rtc::scoped_ptr<LevelEstimatorImpl> level_estimator;
   rtc::scoped_ptr<NoiseSuppressionImpl> noise_suppression;
   VoiceDetectionImpl* voice_detection;
   rtc::scoped_ptr<GainControlForNewAgc> gain_control_for_new_agc;
 
   // Accessed internally from both render and capture.
   rtc::scoped_ptr<TransientSuppressor> transient_suppressor;
   rtc::scoped_ptr<IntelligibilityEnhancer> intelligibility_enhancer;
 };
 
 struct AudioProcessingImpl::ApmPrivateSubmodules {
@@ skipping 65 matching lines @@
     rtc::CritScope cs_capture(&crit_capture_);
 
     public_submodules_->echo_cancellation =
         new EchoCancellationImpl(this, &crit_render_, &crit_capture_);
     public_submodules_->echo_control_mobile =
         new EchoControlMobileImpl(this, &crit_render_, &crit_capture_);
     public_submodules_->gain_control =
         new GainControlImpl(this, &crit_capture_, &crit_capture_);
     public_submodules_->high_pass_filter.reset(
         new HighPassFilterImpl(&crit_capture_));
-    public_submodules_->level_estimator =
-        new LevelEstimatorImpl(this, &crit_capture_);
+    public_submodules_->level_estimator.reset(
+        new LevelEstimatorImpl(&crit_capture_));
     public_submodules_->noise_suppression.reset(
         new NoiseSuppressionImpl(&crit_capture_));
     public_submodules_->voice_detection =
         new VoiceDetectionImpl(this, &crit_capture_);
     public_submodules_->gain_control_for_new_agc.reset(
         new GainControlForNewAgc(public_submodules_->gain_control));
 
     private_submodules_->component_list.push_back(
         public_submodules_->echo_cancellation);
     private_submodules_->component_list.push_back(
         public_submodules_->echo_control_mobile);
     private_submodules_->component_list.push_back(
         public_submodules_->gain_control);
     private_submodules_->component_list.push_back(
-        public_submodules_->level_estimator);
-    private_submodules_->component_list.push_back(
         public_submodules_->voice_detection);
   }
 
   SetExtraOptions(config);
 }
 
 AudioProcessingImpl::~AudioProcessingImpl() {
   // Depends on gain_control_ and
   // public_submodules_->gain_control_for_new_agc.
   private_submodules_->agc_manager.reset();
@@ skipping 117 matching lines @@
       return err;
     }
   }
 
   InitializeExperimentalAgc();
   InitializeTransient();
   InitializeBeamformer();
   InitializeIntelligibility();
   InitializeHighPassFilter();
   InitializeNoiseSuppression();
+  InitializeLevelEstimator();
 
 #ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP
   if (debug_dump_.debug_file->Open()) {
     int err = WriteInitMessage();
     if (err != kNoError) {
       return err;
     }
   }
 #endif
 
@@ skipping 386 matching lines @@
             : 1.f;
 
     public_submodules_->transient_suppressor->Suppress(
         ca->channels_f()[0], ca->num_frames(), ca->num_channels(),
         ca->split_bands_const_f(0)[kBand0To8kHz], ca->num_frames_per_band(),
         ca->keyboard_data(), ca->num_keyboard_frames(), voice_probability,
         capture_.key_pressed);
   }
 
   // The level estimator operates on the recombined data.
-  RETURN_ON_ERR(public_submodules_->level_estimator->ProcessStream(ca));
+  public_submodules_->level_estimator->ProcessStream(ca);
 
   capture_.was_stream_delay_set = false;
   return kNoError;
 }
 
 int AudioProcessingImpl::AnalyzeReverseStream(const float* const* data,
                                               size_t samples_per_channel,
                                               int rev_sample_rate_hz,
                                               ChannelLayout layout) {
   rtc::CritScope cs(&crit_render_);
@@ skipping 321 matching lines @@
 
 HighPassFilter* AudioProcessingImpl::high_pass_filter() const {
   // Adding a lock here has no effect as it allows any access to the submodule
   // from the returned pointer.
   return public_submodules_->high_pass_filter.get();
 }
 
 LevelEstimator* AudioProcessingImpl::level_estimator() const {
   // Adding a lock here has no effect as it allows any access to the submodule
   // from the returned pointer.
-  return public_submodules_->level_estimator;
+  return public_submodules_->level_estimator.get();
 }
 
 NoiseSuppression* AudioProcessingImpl::noise_suppression() const {
   // Adding a lock here has no effect as it allows any access to the submodule
   // from the returned pointer.
   return public_submodules_->noise_suppression.get();
 }
 
 VoiceDetection* AudioProcessingImpl::voice_detection() const {
   // Adding a lock here has no effect as it allows any access to the submodule
@@ skipping 11 matching lines @@
     if (item->is_component_enabled()) {
       enabled_count++;
     }
   }
   if (public_submodules_->high_pass_filter->is_enabled()) {
     enabled_count++;
   }
   if (public_submodules_->noise_suppression->is_enabled()) {
     enabled_count++;
   }
+  if (public_submodules_->level_estimator->is_enabled()) {
+    enabled_count++;
+  }
 
   // Data is unchanged if no components are enabled, or if only
   // public_submodules_->level_estimator
   // or public_submodules_->voice_detection is enabled.
   if (enabled_count == 0) {
     return false;
   } else if (enabled_count == 1) {
     if (public_submodules_->level_estimator->is_enabled() ||
         public_submodules_->voice_detection->is_enabled()) {
       return false;
@@ skipping 104 matching lines @@
 void AudioProcessingImpl::InitializeHighPassFilter() {
   public_submodules_->high_pass_filter->Initialize(num_output_channels(),
                                                    proc_sample_rate_hz());
 }
 
 void AudioProcessingImpl::InitializeNoiseSuppression() {
   public_submodules_->noise_suppression->Initialize(num_output_channels(),
                                                     proc_sample_rate_hz());
 }
 
+void AudioProcessingImpl::InitializeLevelEstimator() {
+  public_submodules_->level_estimator->Initialize();
+}
+
 void AudioProcessingImpl::MaybeUpdateHistograms() {
   static const int kMinDiffDelayMs = 60;
 
   if (echo_cancellation()->is_enabled()) {
     // Activate delay_jumps_ counters if we know echo_cancellation is runnning.
     // If a stream has echo we know that the echo_cancellation is in process.
     if (capture_.stream_delay_jumps == -1 &&
         echo_cancellation()->stream_has_echo()) {
       capture_.stream_delay_jumps = 0;
     }
@@ skipping 164 matching lines @@
   debug_dump_.capture.event_msg->set_type(audioproc::Event::CONFIG);
   debug_dump_.capture.event_msg->mutable_config()->CopyFrom(config);
 
   RETURN_ON_ERR(WriteMessageToDebugFile(debug_dump_.debug_file.get(),
                                         &crit_debug_, &debug_dump_.capture));
   return kNoError;
 }
 #endif  // WEBRTC_AUDIOPROC_DEBUG_DUMP
 
 }  // namespace webrtc