Video-quality tool selector

A dependency-free (pure standard-library) Python decision aid for picking a video-quality measurement tool. Answer five questions — do you have a reference (the master file), is the source live, does a non-engineer operate it, do you need broadcast compliance checks, do you need a support contract — and it returns a tool family (full-reference engine / no-reference tool / file-based QC suite / production QoE stack), a concrete tool, and the Block 8 article that covers it. --matrix prints the fou