Be extremely cautious where you download the libffmpeg.so file. Malicious actors have embedded spyware in custom codec packs. Always verify the SHA-256 checksum against known good hashes from XDA forums.
In 2024 and beyond, the relevance of the has diminished for the average user, but it remains relevant for specific demographics: Mx Player 1.13.0 Armv8 Neon Codec
Version 1.13.0 became a landmark update. It optimized the player for Armv8-Neon technology. Be extremely cautious where you download the libffmpeg