public static bool CheckPFI(byte[] PFI)
{
Trace.WriteLine("Checking PFI values");
SCSIDevice.DiscData data = new SCSIDevice.DiscData(PFI, 0);
if (data.StartSectorNumber == 0x30000)
{
Trace.WriteLine("PFI Validated (Start sector is ok)");
return(true);
}
Trace.WriteLine("PFI invalid! (Start sector is " + data.StartSectorNumber.ToString() + ")");
return(false);
}
public static bool SimpleCheckSS(byte[] SS)
{
Trace.WriteLine("Checking SS information..");
SCSIDevice.DiscData data = new SCSIDevice.DiscData(SS, 0);
if ((data.Layer0LastSectorLBA == 0x1b3880) || (data.Layer0LastSectorLBA == 0x1a2db0))
{
Trace.WriteLine("SS information valid - Layerbreak is correct");
return(true);
}
Trace.WriteLine("SS information valid - Layerbreak is incorrect");
return(false);
}
public static ISOPartitionDetails GetPartitionDetails(byte[] ss, byte[] pfi, Format ISOType, int VideoSize)
{
Trace.WriteLine("Getting partition Details from ISO");
ISOPartitionDetails details = new ISOPartitionDetails();
SCSIDevice.DiscData data = new SCSIDevice.DiscData(ss, 0);
SCSIDevice.DiscData data2 = new SCSIDevice.DiscData(pfi, 0);
details.VideoPartitionSize = data.StartSectorNumber - data2.StartSectorNumber;
Trace.WriteLine("Video partition size: " + details.VideoPartitionSize.ToString());
details.GamePartitionSize = data.Layer0LastSectorLBA * 2;
Trace.WriteLine("Game partition size: " + details.GamePartitionSize.ToString());
details.LayerBreak = data.Layer0LastSectorLBA + details.VideoPartitionSize;
Trace.WriteLine("Layerbreak: " + details.LayerBreak.ToString());
Trace.WriteLine("Video Layer 0 size: " + details.VideoLayer0Size.ToString());
details.VideoFileSize = (uint)VideoSize;
Trace.WriteLine("Video is size: " + VideoSize);
if ((details.VideoFileSize <= 0) || (details.VideoFileSize > 0x16e360))
{
if (ISOType == Format.Xbox360)
{
details.VideoFileSize = 0xdbf;
details.VideoLayer1Size = 0x32f;
}
else
{
details.VideoFileSize = 0x1b50;
details.VideoLayer1Size = 0xa1;
}
}
else
{
details.VideoLayer1Size = details.VideoFileSize - data2.Layer0LastSectorLBA;
}
details.VideoLayer0Size = data2.Layer0LastSectorLBA;
details.VideoPadding = details.VideoPartitionSize - details.VideoLayer0Size;
details.TotalSplitVidISOSize = ((details.VideoPartitionSize + details.GamePartitionSize) + details.VideoPadding) + details.VideoLayer1Size;
details.TotalISOSize = details.VideoPartitionSize + details.GamePartitionSize;
return(details);
}
public static bool CheckXbox1SS(byte[] SS)
{
if (SimpleCheckSS(SS))
{
Trace.WriteLine("Checking if Hitachi SS file");
if (((SS[720] == 0) && (SS[0x2d1] == 0)) && ((SS[0x2d2] == 0) && (SS[0x2d3] == 0)))
{
Trace.WriteLine("Hitachi SS found");
return(false);
}
Trace.WriteLine("Hitachi SS not found");
Trace.WriteLine("Checking SS Layerbreak");
SCSIDevice.DiscData data = new SCSIDevice.DiscData(SS, 0);
if (data.Layer0LastSectorLBA == 0x1a2db0)
{
Trace.WriteLine("SS information valid - Layerbreak is correct");
return(true);
}
Trace.WriteLine("SS information valid - Layerbreak is incorrect");
}
return(false);
}
