Deactivated the intelligibility enhancement functionality by default

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

 /*
  *  Copyright (c) 2014 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.
  */
 
 #include "gflags/gflags.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/common_audio/channel_buffer.h"
 #include "webrtc/common_audio/include/audio_util.h"
 #include "webrtc/common_audio/wav_file.h"
 #include "webrtc/modules/audio_processing/audio_buffer.h"
 #include "webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer.h"
 #include "webrtc/modules/audio_processing/noise_suppression_impl.h"
 
 using std::complex;
 
+#if (WEBRTC_INTELLIGIBILITY_ENHANCER == 1)

[hlundin-webrtc, 2016/08/26 06:53:03]

Isn't it sufficient that this file is only compiled when
WEBRTC_INTELLIGIBILITY_ENHANCER == 1? If so, you could just make sure that
WEBRTC_INTELLIGIBILITY_ENHANCER == 1 here.

+
 namespace webrtc {
 namespace {
 
 DEFINE_string(clear_file, "speech.wav", "Input file with clear speech.");
 DEFINE_string(noise_file, "noise.wav", "Input file with noise data.");
 DEFINE_string(out_file, "proc_enhanced.wav", "Enhanced output file.");
 
 // void function for gtest
 void void_main(int argc, char* argv[]) {
   google::SetUsageMessage(
@@ skipping 33 matching lines @@
     ns.ProcessCaptureAudio(&capture_audio);
     enh.SetCaptureNoiseEstimate(ns.NoiseEstimate(), 0);
     enh.ProcessRenderAudio(in_buf.channels(), in_file.sample_rate(),
                            in_file.num_channels());
     Interleave(in_buf.channels(), in_buf.num_frames(), in_buf.num_channels(),
                in.data());
     out_file.WriteSamples(in.data(), in.size());
   }
 }
 
+
 }  // namespace
 }  // namespace webrtc
 
+#endif
+
 int main(int argc, char* argv[]) {
+#if (WEBRTC_INTELLIGIBILITY_ENHANCER == 1)
   webrtc::void_main(argc, argv);
+#endif
   return 0;
 }