Melted Video Server

Melted is a video playout server for television broadcasting. It is based on the MVCP TCP protocol. Basically, it is an industrial-grade media player for broadcast/linear television channels. It was the original use case and application for the MLT framework. Most Melted servers utilize SDI outputs, but they can theoretically utilize any output including HDMI and network streams.

Melted is currently only available in source code form, but there is a build script to make it easier.


  • Melted comes with a command line client named mcvp-client. It operates in one of three modes:
    • interactive text menu and console
    • send MVCP commands and exit - very useful for scripts especially ones triggered by cron or at
    • append MLT XML to a playout unit’s playlist and exit



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