From 60e2c694a1cf82d866708d5dc76a8d8697d74b2e Mon Sep 17 00:00:00 2001
From: Migdonio Rodriguez <raulmigdonio@gmail.com>
Date: Wed, 15 Aug 2018 16:10:20 -0500
Subject: [PATCH 1/2] Add metering and progress upload interval configuration
 in Android

---
 .../rnim/rn/audio/AudioRecorderManager.java   | 21 ++++++++++++++++++-
 index.js                                      |  3 ++-
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/android/src/main/java/com/rnim/rn/audio/AudioRecorderManager.java b/android/src/main/java/com/rnim/rn/audio/AudioRecorderManager.java
index 56932ed9..1d777e3f 100644
--- a/android/src/main/java/com/rnim/rn/audio/AudioRecorderManager.java
+++ b/android/src/main/java/com/rnim/rn/audio/AudioRecorderManager.java
@@ -64,6 +64,7 @@ class AudioRecorderManager extends ReactContextBaseJavaModule {
   private boolean isPauseResumeCapable = false;
   private Method pauseMethod = null;
   private Method resumeMethod = null;
+  private int progressUpdateInterval = 1000;
 
 
   public AudioRecorderManager(ReactApplicationContext reactContext) {
@@ -126,6 +127,7 @@ public void prepareRecordingAtPath(String recordingPath, ReadableMap recordingSe
       recorder.setAudioEncodingBitRate(recordingSettings.getInt("AudioEncodingBitRate"));
       recorder.setOutputFile(recordingPath);
       includeBase64 = recordingSettings.getBoolean("IncludeBase64");
+      setProgressUpdateInterval(recordingSettings.getInt("ProgressUpdateInterval"));
     }
     catch(final Exception e) {
       logAndRejectPromise(promise, "COULDNT_CONFIGURE_MEDIA_RECORDER" , "Make sure you've added RECORD_AUDIO permission to your AndroidManifest.xml file "+e.getMessage());
@@ -312,10 +314,18 @@ public void run() {
         if (!isPaused) {
           WritableMap body = Arguments.createMap();
           body.putDouble("currentTime", stopWatch.getTimeSeconds());
+
+          int amplitude = recorder.getMaxAmplitude();
+          if (amplitude == 0) {
+            body.putInt("currentMetering", -160);
+          } else {
+            body.putInt("currentMetering", (int) (20 * Math.log(((double) amplitude) / 32767d)));
+          }
+
           sendEvent("recordingProgress", body);
         }
       }
-    }, 0, 1000);
+    }, 0, progressUpdateInterval);
   }
 
   private void stopTimer(){
@@ -336,4 +346,13 @@ private void logAndRejectPromise(Promise promise, String errorCode, String error
     Log.e(TAG, errorMessage);
     promise.reject(errorCode, errorMessage);
   }
+
+  
+  private void setProgressUpdateInterval(int progressUpdateInterval) {
+    if(progressUpdateInterval < 100) {
+      this.progressUpdateInterval = 100;
+    } else {
+      this.progressUpdateInterval = progressUpdateInterval;
+    }
+  }
 }
diff --git a/index.js b/index.js
index dd820fa7..2f16910d 100644
--- a/index.js
+++ b/index.js
@@ -41,7 +41,8 @@ var AudioRecorder = {
       MeteringEnabled: false,
       MeasurementMode: false,
       AudioEncodingBitRate: 32000,
-      IncludeBase64: false
+      IncludeBase64: false,
+      ProgressUpdateInterval: 1000,
     };
 
     var recordingOptions = {...defaultOptions, ...options};

From deaa888e88d1866dfaf331986bbec58bd48bf972 Mon Sep 17 00:00:00 2001
From: david nakayama <david.m.nakayama@vanderbilt.edu>
Date: Tue, 30 Oct 2018 18:26:37 -0700
Subject: [PATCH 2/2] Add ios support for custom progressUpdateInterval.

---
 ios/AudioRecorderManager.m | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/ios/AudioRecorderManager.m b/ios/AudioRecorderManager.m
index 5fdeb1c1..a36a10a3 100644
--- a/ios/AudioRecorderManager.m
+++ b/ios/AudioRecorderManager.m
@@ -69,7 +69,6 @@ - (void)stopProgressTimer {
 }
 
 - (void)startProgressTimer {
-  _progressUpdateInterval = 250;
   //_prevProgressUpdateTime = nil;
 
   [self stopProgressTimer];
@@ -121,7 +120,7 @@ - (NSString *) applicationDocumentsDirectory
   return basePath;
 }
 
-RCT_EXPORT_METHOD(prepareRecordingAtPath:(NSString *)path sampleRate:(float)sampleRate channels:(nonnull NSNumber *)channels quality:(NSString *)quality encoding:(NSString *)encoding meteringEnabled:(BOOL)meteringEnabled measurementMode:(BOOL)measurementMode includeBase64:(BOOL)includeBase64)
+RCT_EXPORT_METHOD(prepareRecordingAtPath:(NSString *)path sampleRate:(float)sampleRate channels:(nonnull NSNumber *)channels quality:(NSString *)quality encoding:(NSString *)encoding meteringEnabled:(BOOL)meteringEnabled measurementMode:(BOOL)measurementMode includeBase64:(BOOL)includeBase64 progressUpdateInterval:(int)progressUpdateInterval)
 {
   _prevProgressUpdateTime = nil;
   [self stopProgressTimer];
@@ -135,6 +134,12 @@ - (NSString *) applicationDocumentsDirectory
   _audioSampleRate = [NSNumber numberWithFloat:44100.0];
   _meteringEnabled = NO;
   _includeBase64 = NO;
+  _progressUpdateInterval = 250;
+
+  // Set default progressUpdateInterval
+  if (progressUpdateInterval != nil) {
+    _progressUpdateInterval = progressUpdateInterval;
+  }
 
   // Set audio quality from options
   if (quality != nil) {