Compensate for the compression gain in the IntelligibilityEnhancer

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 af6d9b7a2123bc0daa289ed769b99107be8d181f..00c28ada11ee1b685fc79a6ca0b99a5933a6303b 100644
--- a/webrtc/modules/audio_processing/audio_processing_impl.cc
+++ b/webrtc/modules/audio_processing/audio_processing_impl.cc
@@ -707,7 +707,8 @@ int AudioProcessingImpl::ProcessStreamLocked() {
   if (constants_.intelligibility_enabled) {
     RTC_DCHECK(public_submodules_->noise_suppression->is_enabled());
     public_submodules_->intelligibility_enhancer->SetCaptureNoiseEstimate(
-        public_submodules_->noise_suppression->NoiseEstimate());
+        public_submodules_->noise_suppression->NoiseEstimate(),
+        public_submodules_->gain_control->compression_gain_db());

[peah-webrtc, 2016/04/25 07:23:20]

Is there some action in place to ensure that the AGC is active in the
appropriate mode.
An option could be to add a DCHECK for that in the activation of the IE similar
to what was done for the noise suppressor.

[aluebs-webrtc, 2016/04/27 22:52:58]

Good point. Done.

   }
 
   // Ensure that the stream delay was set before the call to the