Switched recorder library to one custom made by Tomas Andersson.

Lots of small changes to both Speaker and Recorder.

sound/recorder/Program.cs

@@ -0,0 +1,101 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.IO;
+using System.Net;
+using System.Runtime.InteropServices;
+
+using WaveLib;
+
+namespace AudioRecorder
+{
+    class Program
+    {
+        WavFileWriter filewriter;
+        byte[] tmparray;
+
+        void Go()
+        {
+            int samplerate = 16000;
+            int bits = 16;  // 8 or 16
+            int channels = 1;  // 1 or 2
+
+            filewriter = new WavFileWriter("out.wav", samplerate, bits, channels);
+
+            WaveFormat fmt = new WaveFormat(samplerate, bits, channels);
+
+            // devicenumber, wavformat, buffersize, callback
+            int buffersize = 16384;
+            WaveInRecorder rec = new WaveInRecorder(-1, fmt, buffersize, this.DataArrived);
+            tmparray = new byte[buffersize];
+
+            Console.WriteLine("Recording - press Enter to end");
+            Console.ReadLine();
+            rec.Close();
+
+            filewriter.Close();
+
+            Console.WriteLine("Bye");
+        }
+
+        private void DataArrived(IntPtr data, int size)
+        {
+            Console.WriteLine("DataArrived {0} bytes", size);
+            Marshal.Copy(data, tmparray, 0, size);
+            filewriter.Write(tmparray);
+        }
+
+        static void Main(string[] args)
+        {
+            new Program().Go();
+        }
+    }
+
+
+    class WavFileWriter
+    {
+        BinaryWriter filewriter;
+        long audiobyteswritten;
+
+        public WavFileWriter(string filename, int samplerate, int bits, int channels)
+        {
+            filewriter = new BinaryWriter(File.Open(filename, FileMode.Create));
+
+            filewriter.Write((uint)0x46464952); // "RIFF"
+            filewriter.Write((uint)0); // chunkisize (filled in when we close)
+            filewriter.Write((uint)0x45564157); // "WAVE"
+
+            // subchunk1
+            filewriter.Write((uint)0x20746d66); // "fmt "
+            filewriter.Write((uint)16);
+            filewriter.Write((UInt16)1);
+            filewriter.Write((UInt16)channels);
+            filewriter.Write((uint)samplerate);
+            filewriter.Write((uint)(channels*samplerate*bits/8));
+            filewriter.Write((UInt16)(channels*bits/8));
+            filewriter.Write((UInt16)bits);
+
+            // subchunk2
+            filewriter.Write((uint)0x61746164); // "data"
+            filewriter.Write((uint)0); // chunkisize (filled in when we close)
+        }
+
+        public void Write(byte[] data)
+        {
+            filewriter.Write(data);
+            audiobyteswritten += data.Length;
+        }
+
+        public void Close()
+        {
+            filewriter.Seek(4, SeekOrigin.Begin);
+            filewriter.Write((uint)(audiobyteswritten + 36)); // 36 = total size of chunk headers
+
+            filewriter.Seek(40, SeekOrigin.Begin);
+            filewriter.Write((uint)audiobyteswritten);
+            
+            filewriter.Close();
+        }
+    }
+}