public void Execute(object sender, DoWorkEventArgs e)
{
bw = (BackgroundWorker)sender;
bw.ReportProgress(0, "Starting BDFConverter");
CCIUtilities.Log.writeToLog("Starting BDFConverter on records in " + Path.Combine(directory, FileName));
/***** Open BDF file *****/
Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
dlg.Title = "Save as BDF file ...";
dlg.AddExtension = true;
dlg.DefaultExt = ".bdf"; // Default file extension
dlg.Filter = "BDF Files (.bdf)|*.bdf"; // Filter files by extension
dlg.FileName = FileName + "-converted";
bool? result = dlg.ShowDialog();
if (result == false)
{
e.Result = new int[] { 0, 0 };
return;
}
newRecordLengthPts = oldRecordLengthPts / decimation;
BDFWriter = new BDFEDFFileWriter(File.Open(dlg.FileName, FileMode.Create, FileAccess.ReadWrite),
channels.Count + 1, /* Extra channel named Status will have group variable value in it */
newRecordLengthSec, /* Record length in seconds */
newRecordLengthPts, /* Record length in points */
true); /* BDF format */
log = new LogFile(dlg.FileName + ".log.xml", GVMapElements);
bigBuff = new float[edfPlus.NumberOfChannels - 1, newRecordLengthPts]; //have to dimension to old channels rather than new
//in case we need for reference calculations later
/***** Create BDF header record *****/
BDFWriter.LocalRecordingId = edfPlus.LocalRecordingId;
BDFWriter.LocalSubjectId = edfPlus.LocalSubjectId;
int chan;
for (int i = 0; i < channels.Count; i++)
{
chan = channels[i];
BDFWriter.channelLabel(i, edfPlus.channelLabel(chan));
BDFWriter.transducer(i, edfPlus.transducer(chan));
BDFWriter.dimension(i, edfPlus.dimension(chan));
BDFWriter.pMax(i, edfPlus.pMax(chan));
BDFWriter.pMin(i, edfPlus.pMin(chan));
BDFWriter.dMax(i, edfPlus.dMax(chan));
BDFWriter.dMin(i, edfPlus.dMin(chan));
BDFWriter.prefilter(i, edfPlus.prefilter(chan));
}
chan = channels.Count;
BDFWriter.channelLabel(chan, "Status"); //Make entries for Status channel
BDFWriter.transducer(chan, "None");
BDFWriter.dimension(chan, "");
BDFWriter.pMax(chan, 32767);
BDFWriter.pMin(chan, -32768);
BDFWriter.dMax(chan, 32767);
BDFWriter.dMin(chan, -32768);
BDFWriter.prefilter(chan, "None");
BDFWriter.writeHeader();
log.registerHeader(this);
BDFLoc stp = edfPlus.LocationFactory.New();
BDFLoc lastEvent = edfPlus.LocationFactory.New();
outLoc = BDFWriter.LocationFactory.New();
lastStatus = 0;
/***** MAIN LOOP *****/
foreach (EventMark em in Events) //Loop through Event file
{
bw.ReportProgress(0, "Processing event " + em.Time.ToString("0.000")); //Report progress
stp.FromSecs(em.Time + offset); //set stopping point, where Status transition should occur
if (!runEDFtoMark(ref lastEvent, stp, lastStatus))
throw new Exception("Reached EOF before reaching event at " + em.Time.ToString("0.000") + "secs");
if (GVMapElements.Contains(em.GV))
lastStatus = em.GV.Value;
else if (deleteAsZero)
lastStatus = 0;
}
stp.EOF(); //copy out to end of file
runEDFtoMark(ref lastEvent, stp, lastStatus);
e.Result = new int[] { BDFWriter.NumberOfRecords, outLoc.Rec }; //both numbers should be the same
BDFWriter.Close();
log.Close();
}
