Integrate Intelligibility with APM

webrtc/modules/audio_processing/audio_processing_impl.h

Index: webrtc/modules/audio_processing/audio_processing_impl.h
diff --git a/webrtc/modules/audio_processing/audio_processing_impl.h b/webrtc/modules/audio_processing/audio_processing_impl.h
index bbd17191585037e9fa739a1390f5013023a4ba8e..92030fab8e93b507ffccb3785692ba632496c632 100644
--- a/webrtc/modules/audio_processing/audio_processing_impl.h
+++ b/webrtc/modules/audio_processing/audio_processing_impl.h
@@ -38,6 +38,7 @@ class NoiseSuppressionImpl;
 class ProcessingComponent;
 class TransientSuppressor;
 class VoiceDetectionImpl;
+class IntelligibilityEnhancer;
 
 #ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP
 namespace audioproc {
@@ -123,6 +124,10 @@ class AudioProcessingImpl : public AudioProcessing {
                            int samples_per_channel,
                            int sample_rate_hz,
                            ChannelLayout layout) override;
+  int ProcessReverseStream(float* const* data,
+                           int samples_per_channel,
+                           int sample_rate_hz,
+                           ChannelLayout layout) override;
   int set_stream_delay_ms(int delay) override;
   int stream_delay_ms() const override;
   bool was_stream_delay_set() const override;
@@ -172,6 +177,7 @@ class AudioProcessingImpl : public AudioProcessing {
   void InitializeExperimentalAgc() EXCLUSIVE_LOCKS_REQUIRED(crit_);
   void InitializeTransient() EXCLUSIVE_LOCKS_REQUIRED(crit_);
   void InitializeBeamformer() EXCLUSIVE_LOCKS_REQUIRED(crit_);
+  void InitializeIntelligibility() EXCLUSIVE_LOCKS_REQUIRED(crit_);
   void MaybeUpdateHistograms() EXCLUSIVE_LOCKS_REQUIRED(crit_);
 
   EchoCancellationImpl* echo_cancellation_;
@@ -230,6 +236,9 @@ class AudioProcessingImpl : public AudioProcessing {
   const std::vector<Point> array_geometry_;
 
   const bool supports_48kHz_;
+
+  bool intelligibility_enabled_;
+  rtc::scoped_ptr<IntelligibilityEnhancer> intelligibility_enhancer_;
 };
 
 }  // namespace webrtc