Performance note: On a 2021 Firestick (including 4K Max), software decoding of standard-definition (SD) Xvid video uses about – perfectly smooth. 720p Xvid files may occasionally drop frames if bitrate is high, but usually play fine.
Xvid is a based on MPEG-4 Part 2 Advanced Simple Profile (ASP). It was created as an open-source alternative to the commercial DivX codec. At its peak (circa 2003–2010), Xvid was the standard for compressing DVD-quality movies into files under 700MB. xvid video codec for firestick 2021