C # Get WAVE file file information
I have asked in the forum, no one answered, today I have time I wrote it.
File format basis
http://www.moon-soft.com/program/format/
Using system;
Using system.io;
Using system.text;
Namespace WAV
{
///
/// Summary Description for WAV.
///
Public Class WAV
{
Public wav ()
{
//
// Todo: add constructor logic here
//
}
[Stathread]
Static void
Main
(String [] ARGS)
{
//
// Todo: add code to start application here
//
String strpath = @ "C: / documents and settings / administrator / desktop / Trojan / missing comrades. Wav"; // = @ "f: / music";
IF (args.length> 0)
{
StrPath = args [0] .trim ();
}
File.exists (StrPath))
{
GetWavinfo (STRPATH);
Console.writeline ("GetWavinfo SuccessFully!");
//Console.writeline ("");
}
Else
{
Console.write ("please enter the writepath! / N");
Console.Write ("Usage: WAV [Full Path of Your Wav Filepath]);
}
}
Public Struct WAVINFO
{
Public String GroupId;
Public String RiffType;
Public long filesis;
Public string chunkid;
Public long chunksize;
Public short wformattag; // record the format code of this sound, such as Wave_Format_PCM, Wave_F0RAM_ADPCM, and more.
Public ushort wchannels; // Record the number of channels.
Public Ulong dwsamplespeSpec; // Records samples per second.
Public ulong dwavgbytespersec; // Record the amount of data per second.
Public ushort wblockalign; // Record the alignment unit of the block.
Public ushort wbitsPersample; // Record the number of bits required for each sampling.
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.lendhe> = 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.bitconvert32 (Binfo, 4);
//wavinfo.filesize = convert.toint64 (system.text.encoding.default.getstring (binfo, 4, 4));
WAVINFO.RIFFTYPE = System.Text.Encoding.default.getstring (Binfau, 8, 4);
Wavinfo.chunkid = system.text.Encoding.default.getstring (Binfo, 12, 4);
WAVINFO.CHUNKSIZE = System.bitconverter.Toint32 (Binfo, 16);
WAVINFO.WFORMATTAG = System.bitconvert16 (Binfo, 20);
WAVINFO.WCHANNELS = System.bitconvert16 (Binfo, 22);
Wavinfo.dwsamplespersec = system.bitconverter.touint32 (Binfo, 24);
WAVINFO.DWAVGBYTESPERSEC = System.bitconverter.touint32 (Binfo, 28);
Wavinfo.wblockalign = system.bitconvert16 (binfo, 32);
WAVINFO.WBITSPERSAMPLE = system.bitconverter.touint16 (binfo, 34);
WAVINFO.DATACHUNKID = system.text.encoding.default.getstring (binfo, 36, 4);
Wavinfo.datasize = system.bitconvert32 (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);
}
}
}
}
}
