format utils

Author: mediumTaj

Scripts/Utilities/AudioClipUtil.cs

@@ -17,95 +17,93 @@
 
 using IBM.Watson.DeveloperCloud.Logging;
 using System;
-using System.Collections;
-using System.Collections.Generic;
 using System.IO;
 using UnityEngine;
 
 namespace IBM.Watson.DeveloperCloud.Utilities
 {
+  /// <summary>
+  /// AudioClip helper functions.
+  /// </summary>
+  public static class AudioClipUtil
+  {
     /// <summary>
-    /// AudioClip helper functions.
+    /// This function will combine any number of AudioClips into a single AudioClip. The clips must be the same number of channels
+    /// and frequency.
     /// </summary>
-    public static class AudioClipUtil
+    /// <param name="clips">Variable number of AudioClip objects may be provided.</param>
+    /// <returns>Returns the resulting AudioClip.</returns>
+    public static AudioClip Combine(params AudioClip[] clips)
     {
-        /// <summary>
-        /// This function will combine any number of AudioClips into a single AudioClip. The clips must be the same number of channels
-        /// and frequency.
-        /// </summary>
-        /// <param name="clips">Variable number of AudioClip objects may be provided.</param>
-        /// <returns>Returns the resulting AudioClip.</returns>
-        public static AudioClip Combine(params AudioClip[] clips)
+      if (clips == null || clips.Length == 0)
+        return null;
+
+      AudioClip firstClip = null;
+
+      int length = 0;
+      for (int i = 0; i < clips.Length; i++)
+      {
+        if (clips[i] == null)
+          continue;
+
+        if (firstClip != null)
         {
-            if (clips == null || clips.Length == 0)
-                return null;
-
-            AudioClip firstClip = null;
-
-            int length = 0;
-            for (int i = 0; i < clips.Length; i++)
-            {
-                if (clips[i] == null)
-                    continue;
-
-                if (firstClip != null)
-                {
-                    if (firstClip.channels != clips[i].channels
-                        || firstClip.frequency != clips[i].frequency)
-                    {
-                        Log.Error("AudioClipUtil", "Combine() requires clips to have the sample number of channels and same frequency.");
-                        return null;
-                    }
-                }
-                else
-                    firstClip = clips[i];
-
-                length += clips[i].samples * clips[i].channels;
-            }
-
-            float[] data = new float[length];
-            length = 0;
-            for (int i = 0; i < clips.Length; i++)
-            {
-                if (clips[i] == null)
-                    continue;
-
-                float[] buffer = new float[clips[i].samples * clips[i].channels];
-                clips[i].GetData(buffer, 0);
-                buffer.CopyTo(data, length);
-                length += buffer.Length;
-            }
-
-            if (length == 0)
-                return null;
-
-            AudioClip result = AudioClip.Create(firstClip.name, length / firstClip.channels, firstClip.channels, firstClip.frequency, false);
-            result.SetData(data, 0);
-
-            return result;
+          if (firstClip.channels != clips[i].channels
+              || firstClip.frequency != clips[i].frequency)
+          {
+            Log.Error("AudioClipUtil", "Combine() requires clips to have the sample number of channels and same frequency.");
+            return null;
+          }
         }
+        else
+          firstClip = clips[i];
 
-        /// <summary>
-        /// Returns linear 16-bit audio data for the given AudioClip object.
-        /// </summary>
-        /// <param name="clip">The AudioClip object.</param>
-        /// <returns>A byte array of 16-bit audio data.</returns>
-        public static byte[] GetL16(AudioClip clip)
-        {
-            MemoryStream stream = new MemoryStream();
-            BinaryWriter writer = new BinaryWriter(stream);
+        length += clips[i].samples * clips[i].channels;
+      }
 
-            float[] samples = new float[clip.samples * clip.channels];
-            clip.GetData(samples, 0);
+      float[] data = new float[length];
+      length = 0;
+      for (int i = 0; i < clips.Length; i++)
+      {
+        if (clips[i] == null)
+          continue;
 
-            float divisor = (1 << 15);
-            for (int i = 0; i < samples.Length; ++i)
-                writer.Write((short)(samples[i] * divisor));
+        float[] buffer = new float[clips[i].samples * clips[i].channels];
+        clips[i].GetData(buffer, 0);
+        buffer.CopyTo(data, length);
+        length += buffer.Length;
+      }
 
-            byte[] data = new byte[samples.Length * 2];
-            Array.Copy(stream.GetBuffer(), data, data.Length);
+      if (length == 0)
+        return null;
 
-            return data;
-        }
+      AudioClip result = AudioClip.Create(firstClip.name, length / firstClip.channels, firstClip.channels, firstClip.frequency, false);
+      result.SetData(data, 0);
+
+      return result;
+    }
+
+    /// <summary>
+    /// Returns linear 16-bit audio data for the given AudioClip object.
+    /// </summary>
+    /// <param name="clip">The AudioClip object.</param>
+    /// <returns>A byte array of 16-bit audio data.</returns>
+    public static byte[] GetL16(AudioClip clip)
+    {
+      MemoryStream stream = new MemoryStream();
+      BinaryWriter writer = new BinaryWriter(stream);
+
+      float[] samples = new float[clip.samples * clip.channels];
+      clip.GetData(samples, 0);
+
+      float divisor = (1 << 15);
+      for (int i = 0; i < samples.Length; ++i)
+        writer.Write((short)(samples[i] * divisor));
+
+      byte[] data = new byte[samples.Length * 2];
+      Array.Copy(stream.GetBuffer(), data, data.Length);
+
+      return data;
     }
+  }
 }