Add outputstream constractor for more demand.

app/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 24
-  buildToolsVersion '25.0.0'
+    buildToolsVersion '25.0.3'
 
     defaultConfig {
         applicationId "com.kingbull.recorder"

local.properties

@@ -7,8 +7,8 @@
 # Location of the SDK. This is only used by Gradle.
 # For customization when using a Version Control System, please read the
 # header note.
-#Wed Apr 26 18:02:18 IST 2017
-#ndk.dir=D\:\\Installation\\Android\\Sdk\\ndk-bundle
+#Mon Jul 24 16:52:56 CST 2017
+ndk.dir=/Users/ymr/Library/Android/sdk/ndk-bundle
 bintray.apikey=dummy
-#sdk.dir=D\:\\Installation\\Android\\Sdk
+sdk.dir=/Users/ymr/Library/Android/sdk
 bintray.user=kailash09dabhi

om-recorder/src/main/java/omrecorder/AbstractRecorder.java

@@ -30,7 +30,7 @@
  */
 public abstract class AbstractRecorder implements Recorder {
   protected final PullTransport pullTransport;
-  protected final File file;
+  protected File file;
   private final ExecutorService executorService = Executors.newSingleThreadExecutor();
   private OutputStream outputStream;
   private final Runnable recordingTask = new Runnable() {
@@ -50,8 +50,15 @@ protected AbstractRecorder(PullTransport pullTransport, File file) {
     this.file = file;
   }
 
+  protected AbstractRecorder(PullTransport pullTransport, OutputStream outputStream) {
+    this.pullTransport = pullTransport;
+    this.outputStream = outputStream;
+  }
+
   @Override public void startRecording() {
-    outputStream = outputStream(file);
+    if (outputStream == null && file != null) {
+      outputStream = outputStream(file);
+    }
     executorService.submit(recordingTask);
   }
 

om-recorder/src/main/java/omrecorder/OmRecorder.java

@@ -15,7 +15,10 @@
  */
 package omrecorder;
 
+import android.icu.util.Output;
+
 import java.io.File;
+import java.io.OutputStream;
 
 /**
  * Essential APIs for working with OmRecorder.
@@ -31,7 +34,15 @@ public static Recorder pcm(PullTransport pullTransport, File file) {
     return new Pcm(pullTransport, file);
   }
 
+  public static Recorder pcm(PullTransport pullTransport, OutputStream outputStream) {
+    return new Pcm(pullTransport, outputStream);
+  }
+
   public static Recorder wav(PullTransport pullTransport, File file) {
     return new Wav(pullTransport, file);
   }
+
+  public static Recorder wav(PullTransport pullTransport, OutputStream outputStream) {
+    return new Wav(pullTransport, outputStream);
+  }
 }

om-recorder/src/main/java/omrecorder/Pcm.java

@@ -16,6 +16,7 @@
 package omrecorder;
 
 import java.io.File;
+import java.io.OutputStream;
 
 /**
  * {@code Pcm} is recorder for recording audio in wav format.
@@ -27,4 +28,8 @@ final class Pcm extends AbstractRecorder {
   public Pcm(PullTransport pullTransport, File file) {
     super(pullTransport, file);
   }
+
+  public Pcm(PullTransport pullTransport, OutputStream outputStream) {
+    super(pullTransport, outputStream);
+  }
 }

om-recorder/src/main/java/omrecorder/Wav.java

@@ -18,6 +18,7 @@
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.io.OutputStream;
 import java.io.RandomAccessFile;
 
 /**
@@ -31,6 +32,10 @@ public Wav(PullTransport pullTransport, File file) {
     super(pullTransport, file);
   }
 
+  public Wav(PullTransport pullTransport, OutputStream outputStream) {
+    super(pullTransport, outputStream);
+  }
+
   @Override public void stopRecording() {
     try {
       super.stopRecording();