Audio current metering android & iOS

README.md

@@ -21,8 +21,8 @@ from the network, please submit a PR to that project or try `react-native-video`
 Install the npm package and link it to your project:
 
 ```
-npm install react-native-audio --save
-react-native link react-native-audio
+npm install https://github.com/shivam4ukhandelwal/react-native-audio.git
+
 ```
 
 On *iOS* you need to add a usage description to `Info.plist`:
@@ -37,6 +37,12 @@ On *Android* you need to add a permission to `AndroidManifest.xml`:
 ```
 <uses-permission android:name="android.permission.RECORD_AUDIO" />
 ```
+### No Linking required react-native > 0.60.
+
+
+### Auto Linking
+react-native link react-native-audio
+
 
 ### Manual Installation
 

android/src/main/java/com/rnim/rn/audio/AudioRecorderManager.java

@@ -27,7 +27,8 @@
 import android.os.Environment;
 import android.media.MediaRecorder;
 import android.media.AudioManager;
-import android.support.v4.app.ActivityCompat;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
 import android.support.v4.content.ContextCompat;
 import android.util.Base64;
 import android.util.Log;
@@ -64,6 +65,7 @@ class AudioRecorderManager extends ReactContextBaseJavaModule {
   private boolean isPauseResumeCapable = false;
   private Method pauseMethod = null;
   private Method resumeMethod = null;
+  private int progressUpdateInterval = 1000;
 
 
   public AudioRecorderManager(ReactApplicationContext reactContext) {
@@ -129,6 +131,8 @@ public void prepareRecordingAtPath(String recordingPath, ReadableMap recordingSe
       recorder.setAudioEncodingBitRate(recordingSettings.getInt("AudioEncodingBitRate"));
       recorder.setOutputFile(destFile.getPath());
       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());
@@ -315,10 +319,17 @@ 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(){
@@ -339,4 +350,11 @@ 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;
+    }
+  }
 }

index.js

@@ -42,6 +42,7 @@ var AudioRecorder = {
       MeasurementMode: false,
       AudioEncodingBitRate: 32000,
       IncludeBase64: false,
+      ProgressUpdateInterval: 1000,
       AudioSource: 0
     };
 

ios/AudioRecorderManager.m

@@ -125,7 +125,8 @@ - (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];
@@ -150,6 +151,11 @@ - (NSString *) applicationDocumentsDirectory
   _audioSampleRate = [NSNumber numberWithFloat:44100.0];
   _meteringEnabled = NO;
   _includeBase64 = NO;
+  _progressUpdateInterval = 250;
+
+  if (progressUpdateInterval != nil) {
+    _progressUpdateInterval = progressUpdateInterval;
+  }
 
   // Set audio quality from options
   if (quality != nil) {

package.json

@@ -21,7 +21,7 @@
   ],
   "repository": {
     "type": "git",
-    "url": "[email protected]:jsierles/react-native-audio.git"
+    "url": "[email protected]:shivam4ukhandelwal/react-native-audio.git"
   },
   "nativePackage": true
 }