delete _param;
DELETE( _param);
vidCNR2::~vidCNR2 (){  delete _param;  _param = NULL;  delete _param;  delete vidCache;  _param = NULL;  vidCache = NULL;  delete[]py_saved;  delete[]cy_saved;    py_saved = NULL;  cy_saved = NULL;    delete _uncompressed;  _uncompressed=NULL;}