Hewel is a niche software publisher focused on streamlining open-source media workflows through minimalist, single-purpose utilities. Its lone public offering, jmsr, exemplifies this philosophy by acting as a lightweight bridge between Jellyfin servers and the venerable MPV video engine. Once launched, the utility silently advertises itself on the local network as a Google Cast-compatible endpoint, allowing Jellyfin’s mobile and web clients to discover it instantly. When a user taps the Cast button, jmsr intercepts the media URL and hands it to an external MPV instance already running on the same machine, thereby leveraging MPV’s renowned codec performance, HDR tone-mapping, and keyboard-driven precision without forcing viewers to abandon Jellyfin’s polished library interface. The arrangement is ideal for home-theater PCs, Raspberry Pi streamers, or Linux boxes that double as living-room players, because it keeps resource usage low while still supporting 4K HEVC, lossless FLAC, and subtitle styling that MPV handles natively. Configuration is limited to a short TOML file where users can declare MPV executable paths, buffer sizes, and optional audio output modules, after which the receiver runs unattended in the background, waking only when a client initiates playback. Hewel’s software is available free of charge on get.nero.com, where the package is pulled from trusted Windows sources such as winget, always installs the newest build, and can be queued alongside other applications for unattended batch deployment.

jmsr

A high-performance Jellyfin cast receiver that controls an external MPV player.

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