Add support to audioproc_f for running the residual echo detector and producing an echo likelihood …

webrtc/modules/audio_processing/audio_processing_impl.cc

Index: webrtc/modules/audio_processing/audio_processing_impl.cc
diff --git a/webrtc/modules/audio_processing/audio_processing_impl.cc b/webrtc/modules/audio_processing/audio_processing_impl.cc
index f63cb206b5c6aaf72a4bc30b47ebd0b6c7c8680b..cfeb01c7b7b354e3dd4af51b54b05cf370f3cf5b 100644
--- a/webrtc/modules/audio_processing/audio_processing_impl.cc
+++ b/webrtc/modules/audio_processing/audio_processing_impl.cc
@@ -189,9 +189,11 @@ bool AudioProcessingImpl::ApmSubmoduleStates::CaptureMultiBandSubModulesActive()
     const {
 #if WEBRTC_INTELLIGIBILITY_ENHANCER
   return CaptureMultiBandProcessingActive() ||
-         intelligibility_enhancer_enabled_ || voice_activity_detector_enabled_;
+         intelligibility_enhancer_enabled_ ||

[peah-webrtc, 2016/11/10 10:47:09]

Great catch! I missed that when reviewing the other CL.

This is not really part of this CL though so I think you should either
1) Change the description of this CL to reflect that this is done as well.
2) Make another CL that does this.

I would lean towards 2) as the rest of the CL relates to simulation code and
this relates to production code.

Furthermore, the correction below needs to be added as well.

[ivoc, 2016/11/10 15:36:08]

Good point, I will make a new CL for these changes.

+         voice_activity_detector_enabled_ || residual_echo_detector_enabled_;
 #else
-  return CaptureMultiBandProcessingActive() || voice_activity_detector_enabled_;
+  return CaptureMultiBandProcessingActive() ||
+         voice_activity_detector_enabled_ || residual_echo_detector_enabled_;
 #endif
 }
 
@@ -1496,6 +1498,8 @@ AudioProcessing::AudioProcessingStatistics AudioProcessingImpl::GetStatistics()
         metrics.echo_return_loss_enhancement);
     stats.residual_echo_return_loss.Set(metrics.residual_echo_return_loss);
   }
+  stats.residual_echo_likelihood =
+      private_submodules_->residual_echo_detector->echo_likelihood();
   public_submodules_->echo_cancellation->GetDelayMetrics(
       &stats.delay_median, &stats.delay_standard_deviation,
       &stats.fraction_poor_delays);