// Append new file data without header to existing oldfile
public void Append(string oldFile, string newFile)
{
WaveIO wa_IN = new WaveIO();
WaveIO wa_out = new WaveIO();
wa_out.DataLength = 0;
wa_out.length = 0;
//Gather header data
string[] files = new[] {oldFile, newFile};
foreach (string path in files)
{
wa_IN.WaveHeaderIN(@path);
wa_out.DataLength += wa_IN.DataLength;
wa_out.length += wa_IN.length;
}
// change header of existing file
wa_out.ChangeHeader(@oldFile);
FileStream fs = new FileStream(@newFile, FileMode.Open, FileAccess.Read);
byte[] arrfile = new byte[fs.Length - 44];
fs.Position = 44;
fs.Read(arrfile, 0, arrfile.Length);
fs.Close();
//Read existing file append new file data
FileStream fo = new FileStream(@oldFile, FileMode.Append, FileAccess.Write);
BinaryWriter bw = new BinaryWriter(fo);
bw.Write(arrfile);
bw.Close();
fo.Close();
}
public void Merge(string[] files, string outfile)
{
WaveIO wa_IN = new WaveIO();
WaveIO wa_out = new WaveIO();
wa_out.DataLength = 0;
wa_out.length = 0;
//Gather header data
foreach (string path in files)
{
wa_IN.WaveHeaderIN(@path);
wa_out.DataLength += wa_IN.DataLength;
wa_out.length += wa_IN.length;
}
//Recontruct new header
wa_out.BitsPerSample = wa_IN.BitsPerSample;
wa_out.channels = wa_IN.channels;
wa_out.samplerate = wa_IN.samplerate;
wa_out.WaveHeaderOUT(@outfile);
foreach (string path in files)
{
FileStream fs = new FileStream(@path, FileMode.Open, FileAccess.Read);
byte[] arrfile = new byte[fs.Length - 44];
fs.Position = 44;
fs.Read(arrfile, 0, arrfile.Length);
fs.Close();
FileStream fo = new FileStream(@outfile, FileMode.Append, FileAccess.Write);
BinaryWriter bw = new BinaryWriter(fo);
bw.Write(arrfile);
bw.Close();
fo.Close();
}
}
