public static void GetCdTextInfo(SafeFileHandle hDevice, out MMC.CDTextDescriptor cdtext)
{
var req = new NativeApi.TOCRequest(MMC.TOCRequestFormat.CDText);
var reqlen = Util.SizeOfStructure <TOCRequest>();
var cdtextlen = Util.SizeOfStructure <MMC.CDTextDescriptor>();
var ok = NativeApi.DeviceIoControl(hDevice, IOCTL.CDROM_READ_TOC_EX, ref req, reqlen, out cdtext, cdtextlen, out int _, IntPtr.Zero);
if (!ok)
{
throw new IOException("Failed to retrieve CD-TEXT information.", new Win32Exception(Marshal.GetLastWin32Error()));
}
cdtext.FixUp();
}
public static void GetTableOfContents(SafeFileHandle hDevice, out MMC.TOCDescriptor rawtoc)
{
var req = new NativeApi.TOCRequest(MMC.TOCRequestFormat.TOC);
var reqlen = Util.SizeOfStructure <TOCRequest>();
var rawtoclen = Util.SizeOfStructure <MMC.TOCDescriptor>();
// LIB-44: Apparently for some multi-session discs, the first TOC read can be wrong. So issue two reads.
var ok = NativeApi.DeviceIoControl(hDevice, IOCTL.CDROM_READ_TOC_EX, ref req, reqlen, out rawtoc, rawtoclen, out int returned, IntPtr.Zero);
if (ok)
{
ok = NativeApi.DeviceIoControl(hDevice, IOCTL.CDROM_READ_TOC_EX, ref req, reqlen, out rawtoc, rawtoclen, out returned, IntPtr.Zero);
}
if (!ok)
{
throw new IOException("Failed to retrieve TOC.", new Win32Exception(Marshal.GetLastWin32Error()));
}
rawtoc.FixUp(req.AddressAsMSF);
}