From fea9eab83fddaab95779453eb121fa00fd5bab09 Mon Sep 17 00:00:00 2001
From: dendenso <jamescacapit@gmail.com>
Date: Sun, 26 Jul 2020 22:30:27 -0700
Subject: [PATCH 1/2] incomplete algorithm using sleep and the boolean while
 loop for continuously sending audio files.

---
 lib/components/recordingSession/recorder.dart  | 17 +++++++++++++++++
 lib/components/recordingSession/websocket.dart |  1 +
 2 files changed, 18 insertions(+)

diff --git a/lib/components/recordingSession/recorder.dart b/lib/components/recordingSession/recorder.dart
index 1a8cc09..d36e7f7 100644
--- a/lib/components/recordingSession/recorder.dart
+++ b/lib/components/recordingSession/recorder.dart
@@ -31,6 +31,9 @@ class Recorder extends StatefulWidget {
 
 class _RecorderState extends State<Recorder> {
   bool _isRecording = false;
+  // added code
+  FlutterSoundHelper soundHelper = FlutterSoundHelper();
+  //end code
   StreamSubscription<dynamic> _recorderSubscription;
   FlutterSoundRecorder recorderModule;
   String _recorderTxt = '00:00:00';
@@ -59,6 +62,7 @@ class _RecorderState extends State<Recorder> {
     ws = widget.ws;
   }
 
+// audio session opened
   Future<void> startAudioSession() async {
     recorderModule.openAudioSession(
         focus: AudioFocus.requestFocusTransient,
@@ -67,6 +71,14 @@ class _RecorderState extends State<Recorder> {
         device: AudioDevice.speaker);
   }
 
+  Future<void> getAudioData() async {
+    while (_isRecording) {
+      await recorderModule.startRecorder();
+      sleep(const Duration(seconds: 10));
+      await recorderModule.stopRecorder();
+    }
+  }
+
   Future<void> cancelRecorderSubscriptions() async {
     if (_recorderSubscription != null) {
       _recorderSubscription.cancel();
@@ -110,6 +122,7 @@ class _RecorderState extends State<Recorder> {
         codec: _codec,
         bitRate: 16000,
         sampleRate: 16000,
+        numChannels: 2,
         audioSource: AudioSource.voice_communication,
       );
       print('startRecorder');
@@ -123,6 +136,10 @@ class _RecorderState extends State<Recorder> {
                 isUtc: true);
             final String formattedDate =
                 DateFormat('mm:ss:SS', 'en_US').format(date);
+            // added code here
+            getAudioData(); //int return
+            // change e.duration for varying times.
+            // end of added code
             setState(() {
               _recorderTxt = formattedDate.substring(0, 8);
               _dbLevel = e.decibels;
diff --git a/lib/components/recordingSession/websocket.dart b/lib/components/recordingSession/websocket.dart
index 21ba075..865707a 100644
--- a/lib/components/recordingSession/websocket.dart
+++ b/lib/components/recordingSession/websocket.dart
@@ -20,6 +20,7 @@ class MyWebSocket {
   Future<void> sendAudioFile(
       String exportedAudioData, int userID, String topic) async {
     final List<int> audioData = await processAudioFile(exportedAudioData);
+    print(audioData.toString() + '\n'); // array of integers/bytes
     channel.sink.add(
       json.encode(
         {'audio_data': audioData, 'user_id': userID.toInt(), 'topic': topic},

From ddc36ef1800cf3a1b028c7c0471ed7e918f7f8f2 Mon Sep 17 00:00:00 2001
From: dendenso <jamescacapit@gmail.com>
Date: Fri, 7 Aug 2020 17:18:31 -0700
Subject: [PATCH 2/2] removed unused int variable

---
 lib/components/recordingSession/recorder.dart | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lib/components/recordingSession/recorder.dart b/lib/components/recordingSession/recorder.dart
index c9e0fe7..b85ca02 100644
--- a/lib/components/recordingSession/recorder.dart
+++ b/lib/components/recordingSession/recorder.dart
@@ -46,7 +46,6 @@ class _RecorderState extends State<Recorder> {
   Directory tempDir;
   String savePath;
   int sessionCounter = 0;
-  int elapsedTime;
 
   Future<void> initializeRecorder() async {
     tempDir = await getApplicationDocumentsDirectory();