fix initialization of local blockAlign with default values.

Set default values to local `blockAlign` before asigning the value to the member field `this.blockAlign`. fix #791
sharpdx · Sep 5, 2016 · bc90539 · bc90539
1 parent 378f529
commit bc90539
Showing 1 changed file with 3 additions and 9 deletions.
diff --git a/Source/SharpDX/Multimedia/WaveFormatAdpcm.cs b/Source/SharpDX/Multimedia/WaveFormatAdpcm.cs
@@ -46,25 +46,19 @@ internal WaveFormatAdpcm()
         /// <param name="blockAlign">The block align. If 0, then 256 for [0, 11KHz], 512 for ]11KHz, 22Khz], 1024 for ]22Khz, +inf]</param>
         public WaveFormatAdpcm(int rate, int channels, int blockAlign = 0) : base(rate, 4, channels)
         {
-            waveFormatTag = WaveFormatEncoding.Adpcm;
-            this.blockAlign = (short)blockAlign;
-
             if (blockAlign == 0)
             {
                 if (rate <= 11025)
-                {
                     blockAlign = 256;
-                }
                 else if (rate <= 22050)
-                {
                     blockAlign = 512;
-                }
                 else
-                {
                     blockAlign = 1024;
-                }
             }
 
+            waveFormatTag = WaveFormatEncoding.Adpcm;
+            this.blockAlign = (short)blockAlign;
+
             SamplesPerBlock = (ushort)(blockAlign * 2 / channels - 12);
             averageBytesPerSecond = (SampleRate * blockAlign) / SamplesPerBlock;