Initial Commit

Assets/Oculus/Voice/Lib/Wit.ai/Scripts/Runtime/AudioDurationTracker.cs

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ * All rights reserved.
+ *
+ * This source code is licensed under the license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+using System;
+using Meta.WitAi.Data;
+
+namespace Meta.WitAi
+{
+    public class AudioDurationTracker
+    {
+        private readonly String _requestId;
+        private double _bytesCaptured = 0.0;
+        private readonly int _bytesPerSample;
+        private readonly AudioEncoding _audioEncoding;
+        private long _finalizeTimeStamp;
+        private double _audioDurationMs;
+
+
+        public AudioDurationTracker(string requestId, AudioEncoding audioEncoding)
+        {
+            _requestId = requestId;
+            _audioEncoding = audioEncoding;
+            _bytesPerSample = _audioEncoding.bits / 8;
+        }
+
+        public void AddBytes(long bytes)
+        {
+            _bytesCaptured += bytes;
+        }
+
+        public void FinalizeAudio()
+        {
+            _finalizeTimeStamp = (DateTime.UtcNow.Ticks / TimeSpan.TicksPerMillisecond);
+            _audioDurationMs =
+                (_bytesCaptured / (_audioEncoding.samplerate * _audioEncoding.numChannels * _bytesPerSample)) * 1000.0;
+        }
+
+        public long GetFinalizeTimeStamp()
+        {
+            return _finalizeTimeStamp;
+        }
+
+        public double GetAudioDuration()
+        {
+            return _audioDurationMs;
+        }
+
+        public string GetRequestId()
+        {
+            return _requestId;
+        }
+    }
+}