using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using NAudio;
using System.IO;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        MP3toWAV(MapPath("~/Music/UctfnI6yUPM.mp3"), MapPath("~/Music/UctfnI6yUPM.wav"));
        Strip(MapPath("~/Music/UctfnI6yUPM.wav"));
    }
    public void MP3toWAV(string file,string output)
    {
        using (NAudio.Wave.Mp3FileReader reader = new NAudio.Wave.Mp3FileReader(file))
        {
            NAudio.Wave.WaveFileWriter.CreateWaveFile(output, reader);
        }
    }
    public void Strip(string path)
    {
        NAudio.Wave.WaveChannel32 wave = new NAudio.Wave.WaveChannel32(new NAudio.Wave.WaveFileReader(path));
        byte[] buffer = new byte[8192];
        int read = 0;
        StreamWriter writer = new StreamWriter(MapPath("~/Result.txt"));
        while (wave.Position < wave.Length)
        {
            read = wave.Read(buffer, 0, 8192);
            for (int i = 0; i < read / 4; i++)
            {
                writer.Write(BitConverter.ToSingle(buffer, i * 4));
            }
        }
    }
}