C # Get wave file header information

Using System;

Using System.IO;

Using System.Text;

Namespace WAV

{

<summary>

Summary description for Wav.

</summary>

public class Wav

{

Public Wav ()

{

//

Todo:add constructor Logic here

//

}

[STAThread]

static void Main (string[] args)

{

//

Todo:add code to start application

//

String strpath=@ "C:\Documents and settings\administrator\ desktop \trojan\ Miss comrades. wav";//=@ "F:\Music";

if (args. LENGTH>0)

{

Strpath=args[0]. Trim ();

}

if (file.exists (strpath))

{

Getwavinfo (strpath);

Console.WriteLine ("Getwavinfo successfully!");

Console.WriteLine ("");

}

Else

{

Console.Write ("Please Enter the Write filepath!\n");

Console.Write ("Usage: WAV [full Path of Your WAV filepath]");

}

}

public struct Wavinfo

{

public string GroupID;

public string Rifftype;

public long filesize;

public string Chunkid;

public long chunksize;

public short wFormatTag; Record the format code for this sound, such as WAVE_FORMAT_PCM,WAVE_F0RAM_ADPCM and so on.

public ushort Wchannels; The number of channels to record the sound.

The public ulong dwsamplespersec;//records the number of samples per second.

The public ulong dwavgbytespersec;//records the amount of data per second.

Public ushort wblockalign;//The alignment unit of the record block.

The public ushort wbitspersample;//records the number of bits required for each sample.

public string Datachunkid;

public long datasize;

}

public static void Getwavinfo (String strpath)

{

Wavinfo wavinfo = new Wavinfo ();

FileInfo fi = new FileInfo (strpath);

System.IO.FileStream Fs=fi. OpenRead ();

if (fs. LENGTH>=44)

{

Byte[] Binfo=new byte[44];

Fs. Read (binfo,0,44);

System.Text.Encoding.Default.GetString (binfo,0,4);

if (System.Text.Encoding.Default.GetString (binfo,0,4) = = "RIFF" &&system.text.encoding.default.getstring ( binfo,8,4) = = "WAVE" &&system.text.encoding.default.getstring (binfo,12,4) = = "FMT")

{

Wavinfo.groupid = System.Text.Encoding.Default.GetString (binfo,0,4);

System.BitConverter.ToInt32 (binfo,4);

Wavinfo.filesize = System.BitConverter.ToInt32 (binfo,4);

Wavinfo.filesize = Convert.toint64 (System.Text.Encoding.Default.GetString (binfo,4,4));

Wavinfo.rifftype = System.Text.Encoding.Default.GetString (binfo,8,4);

Wavinfo.chunkid = System.Text.Encoding.Default.GetString (binfo,12,4);

Wavinfo.chunksize = System.BitConverter.ToInt32 (binfo,16);

Wavinfo.wformattag = System.BitConverter.ToInt16 (binfo,20);

Wavinfo.wchannels = System.BitConverter.ToUInt16 (binfo,22);

Wavinfo.dwsamplespersec = System.BitConverter.ToUInt32 (binfo,24);

Wavinfo.dwavgbytespersec = System.BitConverter.ToUInt32 (binfo,28);

Wavinfo.wblockalign = System.BitConverter.ToUInt16 (binfo,32);

Wavinfo.wbitspersample = System.BitConverter.ToUInt16 (binfo,34);

Wavinfo.datachunkid = System.Text.Encoding.Default.GetString (binfo,36,4);

Wavinfo.datasize = System.BitConverter.ToInt32 (binfo,40);

System.Console.WriteLine ("GroupID:" +wavinfo.groupid);

System.Console.WriteLine ("FileSize:" +wavinfo.filesize);

System.Console.WriteLine ("Rifftype:" +wavinfo.rifftype);

System.Console.WriteLine ("Chunkid:" +wavinfo.chunkid);

System.Console.WriteLine ("chunksize:" +wavinfo.chunksize);

System.Console.WriteLine ("wFormatTag:" +wavinfo.wformattag);

System.Console.WriteLine ("Wchannels:" +wavinfo.wchannels);

System.Console.WriteLine ("dwsamplespersec:" +wavinfo.dwsamplespersec);

System.Console.WriteLine ("dwavgbytespersec:" +wavinfo.dwavgbytespersec);

System.Console.WriteLine ("wblockalign:" +wavinfo.wblockalign);

System.Console.WriteLine ("wBitsPerSample:" +wavinfo.wbitspersample);

System.Console.WriteLine ("Datachunkid:" +wavinfo.datachunkid);

System.Console.WriteLine ("DataSize:" +wavinfo.datasize);

}

}

}

}

}