// check watermark from file
public static string checkWatermark(HttpPostedFileBase file)
{
if (file != null && file.ContentLength > 0)
{
string path = Path.Combine(HttpContext.Current.Server.MapPath("~"),
Path.GetFileName(file.FileName));
file.SaveAs(path);
String signature = "";
AudioFunction files = new AudioFunction(new FileStream(path, FileMode.Open, FileAccess.Read));
audoSteg sh = new audoSteg(files);
signature = sh.extractMess();
return(signature);
}
return("");
}
public audoSteg(AudioFunction file)
{
this.file = file;
}