San Francisco-based Mux, a cloud video infrastructure startup, has secured $20 million in Series B round of funding.

Evolution Media conducted the new funding with participation from Accel, and Y Combinator.

Mux will leverage the net proceeds from the fundraising to back sales and customer success, research and development, and the developer community.

The startup, with about $7.2 million in revenue annually, has raised a total of $31.9 million in over five funding rounds.