Use VAD to get a better speech power estimation in the IntelligibilityEnhancer

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 1189 matching lines @@
              capture_nonlocked_.fwd_proc_format.sample_rate_hz() ==
                  kSampleRate48kHz) {
     // Something besides public_submodules_->level_estimator is enabled, and we
     // have super-wb.
     return true;
   }
   return false;
 }
 
 bool AudioProcessingImpl::is_rev_processed() const {
-  return constants_.intelligibility_enabled &&
-         public_submodules_->intelligibility_enhancer->active();
+  return constants_.intelligibility_enabled;
 }
 
 bool AudioProcessingImpl::render_check_rev_conversion_needed() const {
   return rev_conversion_needed();
 }
 
 bool AudioProcessingImpl::rev_conversion_needed() const {
   return (formats_.api_format.reverse_input_stream() !=
           formats_.api_format.reverse_output_stream());
 }
@@ skipping 30 matching lines @@
       private_submodules_->beamformer.reset(new NonlinearBeamformer(
           capture_.array_geometry, capture_.target_direction));
     }
     private_submodules_->beamformer->Initialize(kChunkSizeMs,
                                                 capture_nonlocked_.split_rate);
   }
 }
 
 void AudioProcessingImpl::InitializeIntelligibility() {
   if (constants_.intelligibility_enabled) {
-    IntelligibilityEnhancer::Config config;
-    config.sample_rate_hz = capture_nonlocked_.split_rate;
-    config.num_capture_channels = capture_.capture_audio->num_channels();
-    config.num_render_channels = render_.render_audio->num_channels();
     public_submodules_->intelligibility_enhancer.reset(
-        new IntelligibilityEnhancer(config));
+        new IntelligibilityEnhancer(capture_nonlocked_.split_rate,
+                                    render_.render_audio->num_channels()));
   }
 }
 
 void AudioProcessingImpl::InitializeHighPassFilter() {
   public_submodules_->high_pass_filter->Initialize(num_proc_channels(),
                                                    proc_sample_rate_hz());
 }
 
 void AudioProcessingImpl::InitializeNoiseSuppression() {
   public_submodules_->noise_suppression->Initialize(num_proc_channels(),
@@ skipping 201 matching lines @@
   debug_dump_.capture.event_msg->mutable_config()->CopyFrom(config);
 
   RETURN_ON_ERR(WriteMessageToDebugFile(debug_dump_.debug_file.get(),
                                         &debug_dump_.num_bytes_left_for_log_,
                                         &crit_debug_, &debug_dump_.capture));
   return kNoError;
 }
 #endif  // WEBRTC_AUDIOPROC_DEBUG_DUMP
 
 }  // namespace webrtc