If your device still boots to recovery, this is safer.

You have four main choices. Selecting the wrong type is the #1 cause of hard bricks.

The Hi3798MV100 is famous for its H.265/HEVC decoding capabilities. Papers often discuss firmware-level optimization for video buffers.

It sounds like you're interested in the HI3798MV100 — a very common but now legacy MediaTek (formerly HiSilicon) ARM Cortex-A7-based SoC. It powers a huge range of cheap Android TV boxes, IPTV receivers, and OTT dongles (e.g., from Huawei, Mecool, X96, MXQ).

There's no single canonical "the" article, but the most interesting technical deep-dives usually fall into three categories: