public void GetCAMStatus(out uint CIState, out uint MMIState)
{
CIState = 0;
MMIState = 0;
IPin pin = DsFindPin.ByDirection(captureFilter, PinDirection.Input, 0);
if (pin != null)
{
DirectShowLib.IKsPropertySet propertySet = pin as DirectShowLib.IKsPropertySet;
if (propertySet != null)
{
Guid propertyGuid = THBDA_TUNER;
IntPtr thbdaBuf = Marshal.AllocCoTaskMem(1024);
IntPtr ptrDwBytesReturned = Marshal.AllocCoTaskMem(4);
IntPtr ptrOutBuffer = Marshal.AllocCoTaskMem(4096);
try
{
int thbdaLen = 0x28;
Marshal.WriteInt32(thbdaBuf, 0, 0x255e0082);
//GUID_THBDA_CMD = new Guid( "255E0082-2017-4b03-90F8-856A62CB3D67" );
Marshal.WriteInt16(thbdaBuf, 4, 0x2017);
Marshal.WriteInt16(thbdaBuf, 6, 0x4b03);
Marshal.WriteByte(thbdaBuf, 8, 0x90);
Marshal.WriteByte(thbdaBuf, 9, 0xf8);
Marshal.WriteByte(thbdaBuf, 10, 0x85);
Marshal.WriteByte(thbdaBuf, 11, 0x6a);
Marshal.WriteByte(thbdaBuf, 12, 0x62);
Marshal.WriteByte(thbdaBuf, 13, 0xcb);
Marshal.WriteByte(thbdaBuf, 14, 0x3d);
Marshal.WriteByte(thbdaBuf, 15, 0x67);
Marshal.WriteInt32(thbdaBuf, 16, (int)THBDA_IOCTL_CI_GET_STATE); //control code
Marshal.WriteInt32(thbdaBuf, 20, (int)IntPtr.Zero); //LPVOID inbuffer
Marshal.WriteInt32(thbdaBuf, 24, 0); //DWORD inbuffersize
Marshal.WriteInt32(thbdaBuf, 28, ptrOutBuffer.ToInt32()); //LPVOID outbuffer
Marshal.WriteInt32(thbdaBuf, 32, 4096); //DWORD outbuffersize
Marshal.WriteInt32(thbdaBuf, 36, (int)ptrDwBytesReturned); //LPVOID bytesreturned
int hr = propertySet.Set(propertyGuid, 0, thbdaBuf, thbdaLen, thbdaBuf, thbdaLen);
if (hr == 0)
{
int bytesReturned = Marshal.ReadInt32(ptrDwBytesReturned);
CIState = (uint)Marshal.ReadInt32(ptrOutBuffer, 0);
MMIState = (uint)Marshal.ReadInt32(ptrOutBuffer, 4);
//throw new ApplicationException("Twinhan: CI State:{0:X} MMI State:{1:X}", CIState, MMIState);
}
else
{
//throw new ApplicationException("Twinhan: unable to get CI State hr:{0:X}", hr);
}
}
finally
{
Marshal.FreeCoTaskMem(thbdaBuf);
Marshal.FreeCoTaskMem(ptrDwBytesReturned);
Marshal.FreeCoTaskMem(ptrOutBuffer);
}
}
ReleaseComObject(pin);
}
}
/// <summary>
/// Sends the DiSEqC command.
/// </summary>
/// <param name="diSEqC">The DiSEqC command.</param>
/// <returns>true if succeeded, otherwise false</returns>
public bool SendDiSEqCCommand(byte[] diSEqC)
{
int thbdaLen = 0x28;
int disEqcLen = 16;
for (int i = 0; i < 12; ++i)
{
Marshal.WriteByte(_ptrDiseqc, 4 + i, 0);
}
Marshal.WriteInt32(_ptrDiseqc, 0, (int)diSEqC.Length); //command len
for (int i = 0; i < diSEqC.Length; ++i)
{
Marshal.WriteByte(_ptrDiseqc, 4 + i, diSEqC[i]);
}
string line = "";
for (int i = 0; i < disEqcLen; ++i)
{
byte k = Marshal.ReadByte(_ptrDiseqc, i);
line += String.Format("{0:X} ", k);
}
Marshal.WriteInt32(_thbdaBuf, 0, 0x255e0082);
//GUID_THBDA_CMD = new Guid( "255E0082-2017-4b03-90F8-856A62CB3D67" );
Marshal.WriteInt16(_thbdaBuf, 4, 0x2017);
Marshal.WriteInt16(_thbdaBuf, 6, 0x4b03);
Marshal.WriteByte(_thbdaBuf, 8, 0x90);
Marshal.WriteByte(_thbdaBuf, 9, 0xf8);
Marshal.WriteByte(_thbdaBuf, 10, 0x85);
Marshal.WriteByte(_thbdaBuf, 11, 0x6a);
Marshal.WriteByte(_thbdaBuf, 12, 0x62);
Marshal.WriteByte(_thbdaBuf, 13, 0xcb);
Marshal.WriteByte(_thbdaBuf, 14, 0x3d);
Marshal.WriteByte(_thbdaBuf, 15, 0x67);
Marshal.WriteInt32(_thbdaBuf, 16, (int)THBDA_IOCTL_SET_DiSEqC); //dwIoControlCode
Marshal.WriteInt32(_thbdaBuf, 20, (int)_ptrDiseqc.ToInt32()); //lpInBuffer
Marshal.WriteInt32(_thbdaBuf, 24, disEqcLen); //nInBufferSize
Marshal.WriteInt32(_thbdaBuf, 28, (int)IntPtr.Zero); //lpOutBuffer
Marshal.WriteInt32(_thbdaBuf, 32, 0); //nOutBufferSize
Marshal.WriteInt32(_thbdaBuf, 36, (int)_ptrDwBytesReturned); //lpBytesReturned
bool success = false;
IPin pin = DsFindPin.ByDirection(_captureFilter, PinDirection.Input, 0);
if (pin != null)
{
DirectShowLib.IKsPropertySet propertySet = pin as DirectShowLib.IKsPropertySet;
if (propertySet != null)
{
Guid propertyGuid = THBDA_TUNER;
int hr = propertySet.Set(propertyGuid, 0, _ptrOutBuffer2, 0x18, _thbdaBuf, thbdaLen);
if (hr != 0)
{
//throw new ApplicationException("TwinHan DiSEqC cmd:{0} failed 0x{1:X}", line, hr);
}
else
{
//throw new ApplicationException("TwinHan DiSEqC cmd:{0} succeeded", line);
success = true;
}
ReleaseComObject(propertySet);
}
ReleaseComObject(pin);
}
return(success);
}
private void SetLnbData(bool lnbPower, int LNBLOFLowBand, int LNBLOFHighBand, int LNBLOFHiLoSW, int turnon22Khz,
int disEqcPort)
{
//throw new ApplicationException("Twinhan: SetLnb diseqc port:{0} 22khz:{1} low:{2} hi:{3} switch:{4} power:{5}", disEqcPort, turnon22Khz,
// LNBLOFLowBand, LNBLOFHighBand, LNBLOFHiLoSW, lnbPower);
int thbdaLen = 0x28;
int disEqcLen = 20;
Marshal.WriteByte(_ptrDiseqc, 0, (byte)(lnbPower ? 1 : 0)); // 0: LNB_POWER
Marshal.WriteByte(_ptrDiseqc, 1, 0); // 1: Tone_Data_Burst (Tone_Data_OFF:0 | Tone_Burst_ON:1 | Data_Burst_ON:2)
Marshal.WriteByte(_ptrDiseqc, 2, 0);
Marshal.WriteByte(_ptrDiseqc, 3, 0);
Marshal.WriteInt32(_ptrDiseqc, 4, LNBLOFLowBand); // 4: ulLNBLOFLowBand LNBLOF LowBand MHz
Marshal.WriteInt32(_ptrDiseqc, 8, LNBLOFHighBand); // 8: ulLNBLOFHighBand LNBLOF HighBand MHz
Marshal.WriteInt32(_ptrDiseqc, 12, LNBLOFHiLoSW); //12: ulLNBLOFHiLoSW LNBLOF HiLoSW MHz
Marshal.WriteByte(_ptrDiseqc, 16, (byte)turnon22Khz);
//16: f22K_Output (F22K_Output_HiLo:0 | F22K_Output_Off:1 | F22K_Output_On:2
Marshal.WriteByte(_ptrDiseqc, 17, (byte)disEqcPort); //17: DiSEqC_Port
Marshal.WriteByte(_ptrDiseqc, 18, 0);
Marshal.WriteByte(_ptrDiseqc, 19, 0);
Marshal.WriteInt32(_thbdaBuf, 0, 0x255e0082);
//GUID_THBDA_CMD = new Guid( "255E0082-2017-4b03-90F8-856A62CB3D67" );
Marshal.WriteInt16(_thbdaBuf, 4, 0x2017);
Marshal.WriteInt16(_thbdaBuf, 6, 0x4b03);
Marshal.WriteByte(_thbdaBuf, 8, 0x90);
Marshal.WriteByte(_thbdaBuf, 9, 0xf8);
Marshal.WriteByte(_thbdaBuf, 10, 0x85);
Marshal.WriteByte(_thbdaBuf, 11, 0x6a);
Marshal.WriteByte(_thbdaBuf, 12, 0x62);
Marshal.WriteByte(_thbdaBuf, 13, 0xcb);
Marshal.WriteByte(_thbdaBuf, 14, 0x3d);
Marshal.WriteByte(_thbdaBuf, 15, 0x67);
Marshal.WriteInt32(_thbdaBuf, 16, (int)THBDA_IOCTL_SET_LNB_DATA); //dwIoControlCode
Marshal.WriteInt32(_thbdaBuf, 20, (int)_ptrDiseqc.ToInt32()); //lpInBuffer
Marshal.WriteInt32(_thbdaBuf, 24, disEqcLen); //nInBufferSize
Marshal.WriteInt32(_thbdaBuf, 28, (int)IntPtr.Zero); //lpOutBuffer
Marshal.WriteInt32(_thbdaBuf, 32, 0); //nOutBufferSize
Marshal.WriteInt32(_thbdaBuf, 36, (int)_ptrDwBytesReturned); //lpBytesReturned
IPin pin = DsFindPin.ByDirection(_captureFilter, PinDirection.Input, 0);
if (pin != null)
{
DirectShowLib.IKsPropertySet propertySet = pin as DirectShowLib.IKsPropertySet;
if (propertySet != null)
{
Guid propertyGuid = THBDA_TUNER;
int hr = propertySet.Set(propertyGuid, 0, _ptrOutBuffer2, 0x18, _thbdaBuf, thbdaLen);
if (hr != 0)
{
//throw new ApplicationException("TwinHan SetLNB failed 0x{0:X}", hr);
}
else
{
//throw new ApplicationException("TwinHan SetLNB ok 0x{0:X}", hr);
}
ReleaseComObject(propertySet);
}
ReleaseComObject(pin);
}
}
public bool IsTwinhanCard()
{
if (_initialized)
{
return(_isTwinHanCard);
}
bool success = false;
IntPtr ptrDwBytesReturned = Marshal.AllocCoTaskMem(4);
try
{
int thbdaLen = 0x28;
IntPtr thbdaBuf = Marshal.AllocCoTaskMem(thbdaLen);
try
{
Marshal.WriteInt32(thbdaBuf, 0, 0x255e0082);
//GUID_THBDA_CMD = new Guid( "255E0082-2017-4b03-90F8-856A62CB3D67" );
Marshal.WriteInt16(thbdaBuf, 4, 0x2017);
Marshal.WriteInt16(thbdaBuf, 6, 0x4b03);
Marshal.WriteByte(thbdaBuf, 8, 0x90);
Marshal.WriteByte(thbdaBuf, 9, 0xf8);
Marshal.WriteByte(thbdaBuf, 10, 0x85);
Marshal.WriteByte(thbdaBuf, 11, 0x6a);
Marshal.WriteByte(thbdaBuf, 12, 0x62);
Marshal.WriteByte(thbdaBuf, 13, 0xcb);
Marshal.WriteByte(thbdaBuf, 14, 0x3d);
Marshal.WriteByte(thbdaBuf, 15, 0x67);
Marshal.WriteInt32(thbdaBuf, 16, (int)THBDA_IOCTL_CHECK_INTERFACE); //control code
Marshal.WriteInt32(thbdaBuf, 20, (int)IntPtr.Zero);
Marshal.WriteInt32(thbdaBuf, 24, 0);
Marshal.WriteInt32(thbdaBuf, 28, (int)IntPtr.Zero);
Marshal.WriteInt32(thbdaBuf, 32, 0);
Marshal.WriteInt32(thbdaBuf, 36, (int)ptrDwBytesReturned);
IPin pin = DsFindPin.ByDirection(captureFilter, PinDirection.Input, 0);
if (pin != null)
{
DirectShowLib.IKsPropertySet propertySet = pin as DirectShowLib.IKsPropertySet;
if (propertySet != null)
{
Guid propertyGuid = THBDA_TUNER;
int hr = propertySet.Set(propertyGuid, 0, thbdaBuf, thbdaLen, thbdaBuf, thbdaLen);
if (hr == 0)
{
//throw new ApplicationException("Twinhan card detected");
success = true;
}
ReleaseComObject(propertySet);
}
ReleaseComObject(pin);
}
}
finally
{
Marshal.FreeCoTaskMem(thbdaBuf);
}
}
finally
{
Marshal.FreeCoTaskMem(ptrDwBytesReturned);
}
return(success);
}
