Which script does video hosting sites like gounlimited, openload, onlystream uses?

[Leomord]

Hi, so if anyone know which script they guys use then please let me know in replies or if you have any suggestion for script which works as it is like above sites then please post them too. I am going for private video hosting solution with custom ads.

 

[SavkeUltras]

Gounlimited use xvideosharing