Third-party software and attributions

Distributed components

The installer contains unmodified command-line builds of mpv and FFmpeg, run as separate processes. License texts, version output, provenance and source directions are included in the licenses folder.

mpv

x86_64 build dated August 14, 2026, mpv revision 7b8915bc1d, licensed under GNU GPL version 2 or later. The exact source and build recipe are available through the links below.

FFmpeg

x86_64 build dated August 13, 2026, FFmpeg revision 8b4fad11a, configured with GPL and version3. The exact source, build and workflow are available through the links below.

Source access

Corresponding sources and build recipes are available at no charge and without credentials beside the download information. TRB Audio maintains these directions for as long as the binaries are distributed; if an external mirror becomes unavailable, contact licenses@trbaudio.com.

• mpv source · 7b8915bc1d
• mpv build recipe · 20260814
• FFmpeg source · 8b4fad11a
• FFmpeg build recipe · 2026-08-13
• GNU GPL 3.0

Brands and images

Mastering Player, the interface, logo and TRB Audio materials remain the property of their respective owners. Public screenshots use demonstration material and no confidential customer projects.