Add a file directly from an url

I copy and paste a web address to stream directly from the web a video
Once I select the url infuse doesn’t play the video but an error appears
Could you explain me the correct step by step tha I have to follow
I cannot find it in your support guide
Thank you
Renato

This feature is designed for direct links to video files.

What kind of URL are you entering?

James
These are some examples

http://www.rai.tv/dl/RaiTV/programmi/media/ContentItem-dcbb1d56-5c85-4c19-b22d-a7413067de32-dm10.html#p=0

http://www.piratestreaming.news/4k1/?id=10963&host=rapidvideo

Ciao
Renato