// Open CD Drive with Win32Functions
public bool Open(char Drive)
{
Close();
if (Win32Functions.GetDriveType(Drive + ":\\") == Win32Functions.DriveTypes.DRIVE_CDROM)
{
cdHandle = Win32Functions.CreateFile("\\\\.\\" + Drive + ':', Win32Functions.GENERIC_READ, Win32Functions.FILE_SHARE_READ | Win32Functions.FILE_SHARE_WRITE, IntPtr.Zero, Win32Functions.OPEN_EXISTING, 0, IntPtr.Zero);
if ((int)cdHandle == -1)
{
int errCode = Marshal.GetLastWin32Error();
}
if (((int)cdHandle != -1) && ((int)cdHandle != 0))
{
/*Win32Functions.CDROM_SET_SPEED setSpeed = new Win32Functions.CDROM_SET_SPEED();
* setSpeed.RequestType = Win32Functions.CDROM_SPEED_REQUEST.CdromSetSpeed;
* setSpeed.RotationControl = Win32Functions.WRITE_ROTATION.CdromDefaultRotation;
* setSpeed.ReadSpeed = 0xffff;*/
Win32Functions.CDROM_SET_STREAMING setSpeed = new Win32Functions.CDROM_SET_STREAMING();
setSpeed.RequestType = Win32Functions.CDROM_SPEED_REQUEST.CdromSetStreaming;
if (Settings.Current.RecordSpeed == 0)
{
setSpeed.ReadSize = 0xffff;
}
else
{
setSpeed.ReadSize = (uint)((double)Settings.Current.RecordSpeed * 176400.0 / 1024.0);
}
setSpeed.ReadTime = 1000; // in ms
setSpeed.WriteSize = 0xffff;
setSpeed.WriteTime = 1000;
setSpeed.StartLba = 0xffffffff;
setSpeed.EndLba = 0xffffffff;
setSpeed.RotationControl = Win32Functions.WRITE_ROTATION.CdromDefaultRotation;
setSpeed.RestoreDefaults = 0; //(byte)false;
setSpeed.SetExact = 0; //false;
setSpeed.RandomAccess = 0; //false;
setSpeed.Persistent = 1; //true;
uint BytesRead = 0;
int result = Win32Functions.DeviceIoControl(cdHandle, Win32Functions.IOCTL_CDROM_SET_SPEED, setSpeed, (uint)Marshal.SizeOf(setSpeed), null, 0, ref BytesRead, IntPtr.Zero);
m_Drive = Drive;
NotWnd = new DeviceChangeNotificationWindow();
NotWnd.DeviceChange += new DeviceChangeEventHandler(NotWnd_DeviceChange);
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
public static char[] GetCDDriveLetters()
{
string res = "";
for (char c = 'C'; c <= 'Z'; c++)
{
if (Win32Functions.GetDriveType(c + ":") == Win32Functions.DriveTypes.DRIVE_CDROM)
{
res += c;
}
}
return(res.ToCharArray());
}
/// <summary>
/// Open the CD drive door
/// </summary>
/// <returns>True on success</returns>
public bool EjectCD()
{
TocValid = false;
if (((int)cdHandle != -1) && ((int)cdHandle != 0))
{
uint Dummy = 0;
return(Win32Functions.DeviceIoControl(cdHandle, Win32Functions.IOCTL_STORAGE_EJECT_MEDIA, IntPtr.Zero, 0, IntPtr.Zero, 0, ref Dummy, IntPtr.Zero) != 0);
}
else
{
return(false);
}
}
protected bool ReadTOC()
{
if (((int)cdHandle != -1) && ((int)cdHandle != 0))
{
uint BytesRead = 0;
TocValid = Win32Functions.DeviceIoControl(cdHandle, Win32Functions.IOCTL_CDROM_READ_TOC, IntPtr.Zero, 0, Toc, (uint)Marshal.SizeOf(Toc), ref BytesRead, IntPtr.Zero) != 0;
}
else
{
TocValid = false;
}
return(TocValid);
}
/// <summary>
/// Unlock CD drive
/// </summary>
/// <returns>True on success</returns>
public bool UnLockCD()
{
if (((int)cdHandle != -1) && ((int)cdHandle != 0))
{
uint Dummy = 0;
Win32Functions.PREVENT_MEDIA_REMOVAL pmr = new Win32Functions.PREVENT_MEDIA_REMOVAL();
pmr.PreventMediaRemoval = 0;
return(Win32Functions.DeviceIoControl(cdHandle, Win32Functions.IOCTL_STORAGE_MEDIA_REMOVAL, pmr, (uint)Marshal.SizeOf(pmr), IntPtr.Zero, 0, ref Dummy, IntPtr.Zero) != 0);
}
else
{
return(false);
}
}
public void Close()
{
UnLockCD();
if (NotWnd != null)
{
NotWnd.DestroyHandle();
NotWnd = null;
}
if (((int)cdHandle != -1) && ((int)cdHandle != 0))
{
Win32Functions.CloseHandle(cdHandle);
}
cdHandle = IntPtr.Zero;
m_Drive = '\0';
TocValid = false;
}
/// <summary>
/// Check if there is CD in the drive
/// </summary>
/// <returns>True on success</returns>
public bool IsCDReady()
{
if (((int)cdHandle != -1) && ((int)cdHandle != 0))
{
uint Dummy = 0;
if (Win32Functions.DeviceIoControl(cdHandle, Win32Functions.IOCTL_STORAGE_CHECK_VERIFY, IntPtr.Zero, 0, IntPtr.Zero, 0, ref Dummy, IntPtr.Zero) != 0)
{
return(true);
}
else
{
TocValid = false;
return(false);
}
}
else
{
TocValid = false;
return(false);
}
}
/// <summary>
/// Read Audio Sectors
/// </summary>
/// <param name="sector">The sector where to start to read</param>
/// <param name="Buffer">The length must be at least CB_CDDASECTOR*Sectors bytes</param>
/// <param name="NumSectors">Number of sectors to read</param>
/// <returns>True on success</returns>
protected bool ReadSector(int sector, byte[] Buffer, int NumSectors)
{
if (TocValid && ((sector + NumSectors) <= GetEndSector(Toc.LastTrack)) && (Buffer.Length >= CB_AUDIO * NumSectors))
{
Win32Functions.RAW_READ_INFO rri = new Win32Functions.RAW_READ_INFO();
rri.TrackMode = Win32Functions.TRACK_MODE_TYPE.CDDA;
rri.SectorCount = (uint)NumSectors;
rri.DiskOffset = sector * CB_CDROMSECTOR;
uint BytesRead = 0;
if (Win32Functions.DeviceIoControl(cdHandle, Win32Functions.IOCTL_CDROM_RAW_READ, rri, (uint)Marshal.SizeOf(rri), Buffer, (uint)NumSectors * CB_AUDIO, ref BytesRead, IntPtr.Zero) != 0)
{
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
