Subtitle not recognize in mkv. #2384

Version

Media3 1.6.1

More version details

1.6.1 release.

Devices that reproduce the issue

Pixel 5
XiaoXin Pad pro 2021

Devices that do not reproduce the issue

No

Reproducible in the demo app?

Yes

Reproduction steps

Play a mkv with ass subtitle, but it's format is S_TEXT/SSA.

Expected result

Show the subtitle track, type is text/x-ssa.

Actual result

The track ignored.

Media

Any mkv with ass, but it's format is S_TEXT/SSA.

Bug Report

• You will email the zip file produced by adb bugreport to [email protected] after filing this issue.