public bool ReadCDText(CD cd)
{
// check for at least WinXP (5.1)
Version version = Environment.OSVersion.Version;
if (Environment.OSVersion.Platform != PlatformID.Win32NT ||
version.Major < 5 || (version.Major == 5 && version.Minor < 1))
{
return(false);
}
RipperWin32Functions.CDROM_READ_TOC_EX TOCex = new RipperWin32Functions.CDROM_READ_TOC_EX();
TOCex.Format = RipperWin32Functions.CDROM_READ_TOC_EX_FORMAT.CDTEXT;
int nTOCex = Marshal.SizeOf(TOCex);
IntPtr hTOCex = Marshal.AllocHGlobal(nTOCex);
Marshal.StructureToPtr(TOCex, hTOCex, true);
RipperWin32Functions.CDROM_TOC_CD_TEXT_DATA Data = new RipperWin32Functions.CDROM_TOC_CD_TEXT_DATA();
Data.Length = (ushort)Marshal.SizeOf(Data);
IntPtr hData = Marshal.AllocHGlobal(Data.Length);
Marshal.StructureToPtr(Data, hData, true);
uint BytesRead = 0;
bool b = RipperWin32Functions.DeviceIoControl(m_Drive.CDHandle, RipperWin32Functions.IOCTL_CDROM_READ_TOC_EX, hTOCex, (uint)nTOCex, hData, Data.Length, out BytesRead, IntPtr.Zero) != 0;
if (b)
{
Marshal.PtrToStructure(hData, Data);
CreateCDText(cd, Data);
}
Marshal.FreeHGlobal(hData);
Marshal.FreeHGlobal(hTOCex);
return(b);
}
private void CreateCDText(CD cd, RipperWin32Functions.CDROM_TOC_CD_TEXT_DATA Data)
{
string sText = String.Empty;
try
{
int trackIndex = 0;
for (int i = 0; i < Data.Descriptors.MaxIndex; i++)
{
RipperWin32Functions.CDROM_TOC_CD_TEXT_DATA_BLOCK block = Data.Descriptors[i];
trackIndex = block.TrackNumber - 1;
foreach (char c in block.Text)
{
if (c != 0)
{
sText += c;
}
else
{
string trimmedText = sText.Trim();
switch (block.PackType)
{
case RipperWin32Functions.CDROM_CD_TEXT_PACK.ALBUM_NAME:
{
if (trackIndex == -1)
{
cd.Title = trimmedText;
}
else
{
if (trackIndex < cd.Tracks.Count)
{
cd.Tracks[trackIndex].Title = trimmedText;
}
}
break;
}
case RipperWin32Functions.CDROM_CD_TEXT_PACK.PERFORMER:
{
if (trackIndex == -1)
{
cd.Artist = trimmedText;
}
else
{
if (trackIndex < cd.Tracks.Count)
{
cd.Tracks[trackIndex].Artist = trimmedText;
}
}
break;
}
default:
{
// Was gibts sonst noch so??
break;
}
}
sText = String.Empty;
trackIndex++;
}
}
}
// Testen, ob es ein Sampler ist
foreach (Track track in cd.Tracks)
{
if (track.Artist != cd.Artist && !string.IsNullOrEmpty(track.Artist) && !string.IsNullOrEmpty(track.Artist))
{
cd.Sampler = true;
break;
}
}
}
catch (IndexOutOfRangeException)
{
// end of list
}
finally
{
// Todo??
//if(sText != String.Empty)
// list.Add(sText);
}
}