Added functionality for specifying the initial signal level to use for the gain estimation in the l…

webrtc/modules/audio_processing/level_controller/peak_level_estimator.cc

Index: webrtc/modules/audio_processing/level_controller/peak_level_estimator.cc
diff --git a/webrtc/modules/audio_processing/level_controller/peak_level_estimator.cc b/webrtc/modules/audio_processing/level_controller/peak_level_estimator.cc
index 2ba806c8ee0d15b58c366421aaa1e2b5c20d635b..41587b017fdfa45f59675414b8bac3ec556184ba 100644
--- a/webrtc/modules/audio_processing/level_controller/peak_level_estimator.cc
+++ b/webrtc/modules/audio_processing/level_controller/peak_level_estimator.cc
@@ -13,7 +13,6 @@
 #include <algorithm>
 
 #include "webrtc/modules/audio_processing/audio_buffer.h"
-#include "webrtc/modules/audio_processing/level_controller/lc_constants.h"
 #include "webrtc/modules/audio_processing/logging/apm_data_dumper.h"
 
 namespace webrtc {
@@ -25,11 +24,16 @@ PeakLevelEstimator::PeakLevelEstimator() {
 PeakLevelEstimator::~PeakLevelEstimator() {}
 
 void PeakLevelEstimator::Initialize() {
-  peak_level_ = kTargetLcPeakLevel;
+  peak_level_ = initial_peak_level_;
   hold_counter_ = 0;
   initialization_phase_ = true;
 }
 
+void PeakLevelEstimator::SetInitialLevel(float level) {

[hlundin-webrtc, 2016/08/18 12:58:13]

The method should be called SetInitialPeakLevel, reflecting the name of the
member variable.

[peah-webrtc, 2016/08/18 17:02:58]

Good find!
Done.

+  initial_peak_level_ = level;
+  Initialize();
+}
+
 float PeakLevelEstimator::Analyze(SignalClassifier::SignalType signal_type,
                                   float frame_peak_level) {
   if (frame_peak_level == 0) {