Ian Baker

Are you able to reproduce this issue in the [demo app](https://developer.android.com/media/media3/exoplayer/demo-application)? I built it at 1.4.0 and played the file you provided. When I enable the subtitles I don't see...

The demo app is not using legacy subtitle support.

Thanks for the extra info. I tried to reproduce this in the demo app at 1.4.0 by changing the code in `PlayerActivity.createMediaSourceFactory` from: https://github.com/androidx/media/blob/b01c6ffcb3fca3d038476dab5d3bc9c9f2010781/demos/main/src/main/java/androidx/media3/demo/main/PlayerActivity.java#L318-L323 To: ```java return new DefaultMediaSourceFactory(/* context=...

Thanks for the update. > If you try this version of the constructor (by deleting the 0 and the new DefaultSubtitleParserFactory() parameters), you get the exception. This is somewhat working...

Thanks, I'll close https://github.com/google/ExoPlayer/issues/4825 as a duplicate of this one and use this one to track the enhancement.

It's impossible to say for sure without access to your media, but this is likely because the HLS multivariant playlist doesn't contain any `CLOSED-CAPTIONS` information, meaning ExoPlayer does not know...

Closing due to inactivity.

Thanks for the request - do you have some content which triggers this key request type that you could share with us for testing/debugging? Please either post media and license...

Thanks for the email, unfortunately it's not really detailed enough for us to take action (we need literal media & license URLs we can use to repro). > A test...

Looks similar/related to (but not a direct duplicate of) https://github.com/androidx/media/issues/234