New module for the adaptive level controlling functionality in the audio processing module

webrtc/modules/audio_processing/test/process_test.cc

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 90 matching lines @@
   printf("  --ns_low\n");
   printf("  --ns_moderate\n");
   printf("  --ns_high\n");
   printf("  --ns_very_high\n");
   printf("  --ns_prob_file FILE\n");
   printf("\n  -vad     Voice activity detection\n");
   printf("  --vad_out_file FILE\n");
   printf("\n  -expns   Experimental noise suppression\n");
   printf("\n Level metrics (enabled by default)\n");
   printf("  --no_level_metrics\n");
+  printf("  --level_control\n");
   printf("\n");
   printf("Modifiers:\n");
   printf("  --noasm            Disable SSE optimization.\n");
   printf("  --add_delay DELAY  Add DELAY ms to input value.\n");
   printf("  --delay DELAY      Override input delay with DELAY ms.\n");
   printf("  --perf             Measure performance.\n");
   printf("  --quiet            Suppress text output.\n");
   printf("  --no_progress      Suppress progress.\n");
   printf("  --raw_output       Raw output instead of WAV file.\n");
   printf("  --debug_file FILE  Dump a debug recording.\n");
@@ skipping 132 matching lines @@
     } else if (strcmp(argv[i], "--aec_suppression_level") == 0) {
       i++;
       ASSERT_LT(i, argc) << "Specify level after --aec_suppression_level";
       int suppression_level;
       ASSERT_EQ(1, sscanf(argv[i], "%d", &suppression_level));
       ASSERT_EQ(apm->kNoError,
                 apm->echo_cancellation()->set_suppression_level(
                     static_cast<webrtc::EchoCancellation::SuppressionLevel>(
                         suppression_level)));
 
+    } else if (strcmp(argv[i], "--level_control") == 0) {
+      config.Set<LevelControl>(new LevelControl(true));
+
     } else if (strcmp(argv[i], "--extended_filter") == 0) {
       config.Set<ExtendedFilter>(new ExtendedFilter(true));
 
     } else if (strcmp(argv[i], "--no_reported_delay") == 0) {
       config.Set<DelayAgnostic>(new DelayAgnostic(true));
 
     } else if (strcmp(argv[i], "--delay_agnostic") == 0) {
       config.Set<DelayAgnostic>(new DelayAgnostic(true));
 
     } else if (strcmp(argv[i], "--aec3") == 0) {
@@ skipping 878 matching lines @@
 }  // namespace
 }  // namespace webrtc
 
 int main(int argc, char* argv[]) {
   webrtc::void_main(argc, argv);
 
   // Optional, but removes memory leak noise from Valgrind.
   google::protobuf::ShutdownProtobufLibrary();
   return 0;
 }