public void Dispose()
{
if (!_Disposed)
{
// Struct zurücklesen, Host passt RunningID an zwecks identifikation. Die wird für Stopfilter benötigt.
TStartFilter str = (TStartFilter)Marshal.PtrToStructure(_StructPtr, typeof(TStartFilter));
int res = (int)Plugin.SendMessage(_MdapiWindow, (uint)WMessage.User, (UIntPtr)MdApiMessages.StopFilter, new IntPtr(str.RunningId));
LogProvider.Add(DebugLevel.Info, cLogSection, Message.MdapiCtxDelFilter, str.Pid, str.RunningId);
if (res == 0)
{
uint err = Plugin.GetLastError();
LogProvider.Add(DebugLevel.Warning, cLogSection, Message.MdapiCtxDelFilterFailed, err);
}
Marshal.FreeHGlobal(_StructPtr);
_Disposed = true;
}
}
public Context(DvbApiAdapter adapter, byte[] dllName, IntPtr window, bool ts188Support, int dllId, ushort pid, ushort filterNum)
{
LogProvider.Add(DebugLevel.Info, cLogSection, Message.MdapiCtxStartFilter, pid, filterNum);
_Disposed = false;
_ContCounter = 0;
_Cb = new FilterDataArrivalCallback(FilterDataArrival);
_CbPtr = Marshal.GetFunctionPointerForDelegate(_Cb);
_Adapter = adapter;
_MdapiWindow = window;
FilterPid = pid;
FilterId = filterNum;
switch (pid)
{
case 0x00: // PAT
_FilterTables = new byte[] { 0x00 };
break;
case 0x01: // CAT
_FilterTables = new byte[] { 0x01 };
break;
case 0x11: // SDT (nur actual)
_FilterTables = new byte[] { 0x42 };
break;
default:
_FilterTables = new byte[] {
0x02, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f
}; // PMT, ECM (0x80, 0x81) & EMM (0x82 - 0x8f)
break;
}
_Section = new SectionBase(FilterPid, _FilterTables);
// theoretisch könnte man über PMT-Pid feststellen, dass es PMT ist, dann über
// die PMT selbst die einzelnen Table-IDs ermitteln um so noch sicherere Daten zu erhalten.
_FilterStruct = new TStartFilter();
_FilterStruct.Name = new byte[32];
_FilterStruct.FilterId = filterNum;
_FilterStruct.Pid = FilterPid;
_FilterStruct.DllId = (ushort)dllId;
_FilterStruct.FilterCallback = _CbPtr;
Array.Copy(dllName, 0, _FilterStruct.Name, 0, Math.Min(dllName.Length, _FilterStruct.Name.Length));
_FilterStruct.Name[_FilterStruct.Name.Length - 1] = 0;
if (ts188Support)
{
_FilterStruct.Pid |= 0x8000; // aktiviert im regulären MDAPI+ die 188byte
// Nachfolgend für ProgDVB weitere Angaben
_FilterStruct.Type = FilterType.Ts;
_FilterStruct.ExtSize = 4;
}
_StructPtr = Marshal.AllocHGlobal(Marshal.SizeOf(_FilterStruct));
Marshal.StructureToPtr(_FilterStruct, _StructPtr, false);
int res = (int)Plugin.SendMessage(_MdapiWindow, (uint)WMessage.User, (UIntPtr)MdApiMessages.StartFilter, _StructPtr);
if (res == 0)
{
uint err = Plugin.GetLastError();
LogProvider.Add(DebugLevel.Warning, cLogSection, Message.MdapiCtxStartFilterFailed, err);
}
}
