public static string ExtractGenhFile(string pSourcePath, bool extractHeaderToFile, bool outputExtractionLog, bool outputExtractionFile)
{
string outputFileName = null;
string headerOutputFileName = null;
if (IsGenhFile(pSourcePath))
{
using (FileStream fs = File.Open(pSourcePath, FileMode.Open, FileAccess.Read))
{
Genh genhFile = new Genh();
genhFile.Initialize(fs, pSourcePath);
Int32 headerLength = BitConverter.ToInt32(genhFile.HeaderLength, 0);
Int32 originalFileSize = BitConverter.ToInt32(genhFile.OriginalFileSize, 0);
string originalFileName = System.Text.Encoding.ASCII.GetString(genhFile.OriginalFileName);
outputFileName = Path.Combine(Path.GetDirectoryName(pSourcePath), originalFileName).Trim();
ParseFile.ExtractChunkToFile(fs, headerLength, originalFileSize, outputFileName, outputExtractionLog, outputExtractionFile);
if (extractHeaderToFile)
{
headerOutputFileName = Path.Combine(Path.GetDirectoryName(pSourcePath), String.Format("{0}{1}", originalFileName.Trim(), Genh.FILE_EXTENSION_HEADER)).Trim();
ParseFile.ExtractChunkToFile(fs, 0, headerLength, headerOutputFileName, outputExtractionLog, outputExtractionFile);
}
FileInfo fi = new FileInfo(outputFileName);
if (fi.Length != (long)originalFileSize)
{
throw new IOException(String.Format("Extracted file <{0}> size did not match size in header of <{1}>: 0x{2}{3}", outputFileName,
pSourcePath, originalFileSize.ToString("X8"), Environment.NewLine));
}
}
}
return(outputFileName);
}
private void loadGenhFileForEditing()
{
ListBoxFileInfoObject listBoxFile;
if (lbFiles.SelectedIndices.Count == 1)
{
listBoxFile = (ListBoxFileInfoObject)this.lbFiles.SelectedItem;
string editPath = listBoxFile.FilePath;
if (GenhUtil.IsGenhFile(editPath))
{
using (FileStream fs = File.OpenRead(editPath))
{
Genh itemToEdit = new Genh();
itemToEdit.Initialize(fs, editPath);
// Set initial values
GenhCreationStruct gcStruct = GenhUtil.GetGenhCreationStruct(itemToEdit);
this.setGenhParameters(gcStruct);
// set loop radio button
if ((String.IsNullOrEmpty(gcStruct.LoopStart)) ||
(gcStruct.LoopStart.Equals(Genh.EMPTY_SAMPLE_COUNT)))
{
if (this.cbNoLoops.Checked == true)
{
this.cbNoLoops.Checked = false; // do this to trigger event if already checked.
}
this.cbNoLoops.Checked = true;
// for some formats (MPEG, XMA, FFMPEG) I cannot calculate the exact number of samples,
// so copy current loop end to total samples. However, do not overwrite if it exists.
if (String.IsNullOrWhiteSpace(this.tbTotalSamples.Text) ||
ByteConversion.GetLongValueFromString(this.tbTotalSamples.Text) == 0)
{
this.tbTotalSamples.Text = ByteConversion.GetLongValueFromString(gcStruct.LoopEnd) > 0 ? gcStruct.LoopEnd : "0";
}
}
else
{
this.cbManualEntry.Checked = true;
}
}
}
}
}