Adding a Custom Target Format for C++

long AddCustomFormat(IltmmConvert *pConvert)

{

   IltmmTargetFormats* pFormats;

   IltmmTargetFormat* pFormat;

   BSTR bstr;

   long count, lStreams;



   pConvert->get_TargetFormats(&pFormats);



   // add a new format at the end of the formats list

   bstr = SysAllocString(L"My Own Format");

   pFormats->Add(bstr, 
 -1);



   // get the new format

   pFormats->get_Count(&count);

   pFormats->Item(count-1, 
 &pFormat);



   // set the format's sink filter: this example uses "LEAD 
 Network Sink"

   bstr = SysAllocString(L"@device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\\{E2B7DE05-38C5-11D5-91F6-00104BDB8FF9}");

   pFormat->put_Sink(bstr);

   SysFreeString(bstr);



   // set the format's mux filter: : this example uses "LEAD 
 Network Multiplexer"

   bstr = SysAllocString(L"@device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\\{E2B7DE01-38C5-11D5-91F6-00104BDB8FF9}");

   pFormat->put_Mux(bstr);

   SysFreeString(bstr);



   // specify what streams your new format can have

   pFormat->put_Streams(ltmmTargetFormat_Stream_Audio|ltmmTargetFormat_Stream_Video);



   // get the streams

   pFormat->get_Streams(&lStreams);



   // verify them is needed ...



   // thats it

   pFormat->Release();

   pFormats->Release();



   // call put_TargetFormat(count-1) to use your new format.



   // return the format index

   return (count-1); 

}