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

webrtc/modules/audio_processing/level_controller/lc_constants.h

Index: webrtc/modules/audio_processing/level_controller/lc_constants.h
diff --git a/webrtc/modules/audio_coding/neteq/packet.cc b/webrtc/modules/audio_processing/level_controller/lc_constants.h
similarity index 57%
copy from webrtc/modules/audio_coding/neteq/packet.cc
copy to webrtc/modules/audio_processing/level_controller/lc_constants.h
index 8a19fe4d5923d5e22a5b485600c6da0c5f3856ba..4a64d02af75e23db84cc491eb62398eb1213a6e6 100644
--- a/webrtc/modules/audio_coding/neteq/packet.cc
+++ b/webrtc/modules/audio_processing/level_controller/lc_constants.h
@@ -8,12 +8,15 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_coding/neteq/packet.h"
+#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_LC_CONSTANTS_H_
+#define WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_LC_CONSTANTS_H_
 
 namespace webrtc {
 
-Packet::Packet() = default;
-
-Packet::~Packet() = default;
+const float kMaxLcGain = 45;
+const float kMaxLcNoisePower = 200.f * 200.f;
+const float kTargetLcPeakLevel = 0.8f * 32767.f;
 
 }  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_LC_CONSTANTS_H_