Version

Media3 1.4.0 and beyond.

More version details

Issue doesn't happen in 1.3.1. and before

Devices that reproduce the issue

issue can be reproduced on all Android devices we tested: amazon FireTV stick 4K, for example.

Devices that do not reproduce the issue

No response

Reproducible in the demo app?

Yes

Reproduction steps

• Launch exoplayer demo app
• choose the test content (sent email to android-media-github@google.com)
• Turn on CC: Click "SELECT TRACKS" --> TEXT --> "Unknown"
• Streaming for a couple of minutes

Expected result

Stream should play without issue

Actual result

streaming will be freezing in a couple of minutes.

Media

will send content in email.

Bug Report

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