Integrate Intelligibility with APM

webrtc/modules/audio_processing/intelligibility/test/intelligibility_proc.cc

Index: webrtc/modules/audio_processing/intelligibility/test/intelligibility_proc.cc
diff --git a/webrtc/modules/audio_processing/intelligibility/test/intelligibility_proc.cc b/webrtc/modules/audio_processing/intelligibility/test/intelligibility_proc.cc
index 2f1888d28cf27e169d6273e1145de20d40bc2a86..95a0ec9ebc687704294983ad15108b33c598c264 100644
--- a/webrtc/modules/audio_processing/intelligibility/test/intelligibility_proc.cc
+++ b/webrtc/modules/audio_processing/intelligibility/test/intelligibility_proc.cc
@@ -31,6 +31,7 @@
 #include "webrtc/test/testsupport/fileutils.h"
 
 using std::complex;
+using webrtc::intelligibility::VarianceArray;
 
 namespace webrtc {
 
@@ -38,7 +39,7 @@ using webrtc::RealFourier;
 using webrtc::IntelligibilityEnhancer;
 
 DEFINE_int32(clear_type,
-             webrtc::intelligibility::VarianceArray::kStepInfinite,
+             webrtc::intelligibility::VarianceArray::kStepDecaying,
              "Variance algorithm for clear data.");
 DEFINE_double(clear_alpha, 0.9, "Variance decay factor for clear data.");
 DEFINE_int32(clear_window,
@@ -63,8 +64,6 @@ DEFINE_string(out_file,
               "Enhanced output. Use '-' to "
               "play through aplay immediately.");
 
-// Constant IntelligibilityEnhancer constructor parameters.
-const int kErbResolution = 2;
 const int kNumChannels = 1;
 
 // void function for gtest
@@ -104,11 +103,14 @@ void void_main(int argc, char* argv[]) {
   noise_file.ReadSamples(samples, &noise_fpcm[0]);
 
   // Run intelligibility enhancement.
-
-  IntelligibilityEnhancer enh(
-      kErbResolution, FLAGS_sample_rate, kNumChannels, FLAGS_clear_type,
-      static_cast<float>(FLAGS_clear_alpha), FLAGS_clear_window, FLAGS_ana_rate,
-      FLAGS_var_rate, FLAGS_gain_limit);
+  IntelligibilityEnhancer::Config config;
+  config.sample_rate_hz = FLAGS_sample_rate;
+  config.var_type = static_cast<VarianceArray::StepType>(FLAGS_clear_type);
+  config.var_decay_rate = static_cast<float>(FLAGS_clear_alpha);
+  config.var_window_size = FLAGS_clear_window;
+  config.analysis_rate = FLAGS_ana_rate;
+  config.gain_change_limit = FLAGS_gain_limit;
+  IntelligibilityEnhancer enh(config);
 
   // Slice the input into smaller chunks, as the APM would do, and feed them
   // through the enhancer.