AVOP249 ships with a self‑contained avop249.exe (Windows) or binary (Linux/macOS) that bundles the required FFmpeg and libass libraries. You only need Python if you plan to extend the script.
If you are genuinely trying to (based on fragments like engsub , convert , min better ), here is a detailed, useful guide on converting video files with embedded or external English subtitles, optimizing quality, and reducing file size. avop249engsub convert021814 min better
These files often distribute copyrighted material without authorization from the original Japanese production studios. AVOP249 ships with a self‑contained avop249
: Finding the "sweet spot" where the file size shrinks but details remain sharp. Step-by-Step Conversion Strategy for Better Playback min better )