ASS Subtitle support issue

[Anthorty]

Describe the bug
when play a video with .ass subtitle file,if in this .ass file has some annotation.The annotation displays very quick,like a flash.Or display incorrectly.

To Reproduce
Steps to reproduce the behavior:

1. Open 'Any Video with .ass files which has some annotation'
2. Just play normally
3. See error

Expected behavior
The annotation in .ass file display right time and right place.

Device (please complete the following information):

• Model: Nubia Z50 Ultra
• OS: Android 13
• Version 0.141

Media
Any video will reproduction that bug.

[moneytoo]

SSA/ASS support is quite limited (google/ExoPlayer#8435). The issue you are describing looks like a side effect of that - for example when it SSA tries to display multiple captions at different positions at the same time.