Pull the Voice Activity Detector out from the AGC

webrtc/modules/audio_processing/BUILD.gn

 # 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.
 
 import("//build/config/arm.gni")
 import("//third_party/protobuf/proto_library.gni")
@@ skipping 20 matching lines @@
     "aec/aec_resampler.h",
     "aec/echo_cancellation.c",
     "aec/echo_cancellation_internal.h",
     "aec/include/echo_cancellation.h",
     "aecm/aecm_core.c",
     "aecm/aecm_core.h",
     "aecm/echo_control_mobile.c",
     "aecm/include/echo_control_mobile.h",
     "agc/agc.cc",
     "agc/agc.h",
-    "agc/agc_audio_proc.cc",
-    "agc/agc_audio_proc.h",
-    "agc/agc_audio_proc_internal.h",
     "agc/agc_manager_direct.cc",
     "agc/agc_manager_direct.h",
-    "agc/circular_buffer.cc",
-    "agc/circular_buffer.h",
-    "agc/common.h",
     "agc/gain_map_internal.h",
-    "agc/gmm.cc",
-    "agc/gmm.h",
     "agc/histogram.cc",
     "agc/histogram.h",
     "agc/legacy/analog_agc.c",
     "agc/legacy/analog_agc.h",
     "agc/legacy/digital_agc.c",
     "agc/legacy/digital_agc.h",
     "agc/legacy/gain_control.h",
-    "agc/noise_gmm_tables.h",
-    "agc/pitch_based_vad.cc",
-    "agc/pitch_based_vad.h",
-    "agc/pitch_internal.cc",
-    "agc/pitch_internal.h",
-    "agc/pole_zero_filter.cc",
-    "agc/pole_zero_filter.h",
-    "agc/standalone_vad.cc",
-    "agc/standalone_vad.h",
     "agc/utility.cc",
     "agc/utility.h",
-    "agc/voice_gmm_tables.h",
     "audio_buffer.cc",
     "audio_buffer.h",
     "audio_processing_impl.cc",
     "audio_processing_impl.h",
     "beamformer/beamformer.h",
     "beamformer/complex_matrix.h",
     "beamformer/covariance_matrix_generator.cc",
     "beamformer/covariance_matrix_generator.h",
     "beamformer/matrix.h",
     "beamformer/nonlinear_beamformer.cc",
@@ skipping 33 matching lines @@
     "transient/wpd_node.h",
     "transient/wpd_tree.cc",
     "transient/wpd_tree.h",
     "typing_detection.cc",
     "typing_detection.h",
     "utility/delay_estimator.c",
     "utility/delay_estimator.h",
     "utility/delay_estimator_internal.h",
     "utility/delay_estimator_wrapper.c",
     "utility/delay_estimator_wrapper.h",
+    "vad/common.h",
+    "vad/gmm.cc",
+    "vad/gmm.h",
+    "vad/noise_gmm_tables.h",
+    "vad/pitch_based_vad.cc",
+    "vad/pitch_based_vad.h",
+    "vad/pitch_internal.cc",
+    "vad/pitch_internal.h",
+    "vad/pole_zero_filter.cc",
+    "vad/pole_zero_filter.h",
+    "vad/standalone_vad.cc",
+    "vad/standalone_vad.h",
+    "vad/vad_audio_proc.cc",
+    "vad/vad_audio_proc.h",
+    "vad/vad_audio_proc_internal.h",
+    "vad/vad_circular_buffer.cc",
+    "vad/vad_circular_buffer.h",
+    "vad/voice_activity_detector.cc",
+    "vad/voice_activity_detector.h",
+    "vad/voice_gmm_tables.h",
     "voice_detection_impl.cc",
     "voice_detection_impl.h",
   ]
 
   configs += [ "../..:common_config" ]
   public_configs = [ "../..:common_inherited_config" ]
 
   defines = []
   deps = [
     "../..:webrtc_common",
@@ skipping 135 matching lines @@
 
     # Disable LTO in audio_processing_neon target due to compiler bug.
     if (rtc_use_lto) {
       cflags -= [
         "-flto",
         "-ffat-lto-objects",
       ]
     }
   }
 }