void SetConvertAllowedStreams(IltmmConvert *pConvert) { long lAllowedStreams = ltmmConvert_Stream_Video; // set the allowed conversion streams to Video pConvert->put_AllowedStreams(lAllowedStreams); // start the convert pConvert->StartConvert(); // get the allowed conversion streams pConvert->get_AllowedStreams(&lAllowedStreams); }