ts->printf(TS::LOG,"OpenCV Error:%s (%s) in %s, file %s, line %d\n",cvErrorStr(status),err_msg,func_name[0]!=0?func_name:"unknown function",file_name,line);
ts->printf(TS::LOG,"OpenCV Error:\n\t%s (%s) in %s, file %s, line %d\n",cvErrorStr(status),err_msg,func_name[0]!=0?func_name:"unknown function",file_name,line);