Version

Media3 1.6.1

More version details

vobsub subtitles work perfectly with mkv files but exoplayer does not recognize the subtitle track in mp4 files. The mp4 files are created with HandBrakeCLI. The vobsub subtitles are recognized and display when playing the video with VLC.

Devices that reproduce the issue

Android Studio emulator Television (1080p) API 34
onn 4K streaming box
Amazon fire stick 4K

Devices that do not reproduce the issue

None

Reproducible in the demo app?

Yes

Reproduction steps

Play the media in the demo app.
Arrow up a few times
Select SELECT TRACKS

Expected result

Video, Audio and Text tracks available.
2 text tracks, English and Spanish

Actual result

Only Video and Audio tracks available. No text tracks

Media

https://drive.google.com/file/d/1CicUvxkKT5IZIHzy_ZsNqFsI_9tLt74K/view?usp=sharing

Bug Report

• You will email the zip file produced by adb bugreport to android-media-github@google.com after filing this issue.