I tried all the quality settings (low to very high), but it wouldn't make a difference. #Frustrationlevelsat9000

Have you installed anything new on the network? new devices which might be causing a lot of network traffic like a wifi printer or any new programs on your PC which might be interfering with the streaming quality? ... Have you accidentally updated Street Fighter V and installed Capcoms rootkit! Any changes which might have happened?

Also are you just using wireless for the console to the router? could you try it with a cable to the console if it is reachable and see if that works a bit better using just wired connections just in case one of your neighbours happens to have some device which is interfering with Wifi in your area, heavy equipment or microwaves... plorescent light bulbs? :s

Have you tried it with a game which you have used it with before? or are you using it with new titles which you haven't played on streaming, I just ask beccause for example Drive Club which the PS4 had issues with streaming to the Vita before taxed the console to the point where it would have issues in sending out the stream data since the game itself was taking a toll on the processing power.

Could you try a very untaxing game to see how that works?