SSA subtitles are not rendering correctly

Description

SSA subtitles are not rendering correctly when using full hardware acceleration, but it is rendered correctly when hardware acceleration is disabled. The subtitles are fine when displaying normal white subtitles, but when displaying colored fonts or moving fonts, it is not rendered correctly.

Expected behavior

SSA subtitles rendered correctly.

Actual behavior

SSA subtitles are not rendered correctly.

Steps to reproduce

1.turn on hardware acceleration to full 2.watch video with SSA (mostly anime) 3.voila!

Screenshot / video

With full acceleration, subtitles are not rendered correctly.

With hardware acceleration disabled, subtitles are rendered correctly.

Context

App version

3.2.12 and all of them

Android version

10

Device model

Redmi Note 8 Pro and Mi A2

App mode

? Smartphone