Crash Issue with Large Font Attachments in MKV Files (Apple TV)

Video Playback
1

Infuse crashes during playback (when seeking/skipping) if the MKV file contains embedded font attachments larger than approximately 130MB.

Additional Findings:

  • Under Settings > Streaming Cache, if the option is set to Auto, playback will crash.
  • If I switch the setting to Legacy, playback is more stable, but still not 100%—crashes can still happen, just less frequently.
  • After manually removing the large font attachments from the MKV file (e.g., using MKVToolNix), the crashing stops entirely.

Environment Details:

  • Device: Apple TV 4K (A15)
  • tvOS Version: 18.5 (22L572)
  • Infuse Version: Infuse Pro 8.1.8 (5221)
  • Diagnostic Code: WVX9D

I’d be happy to provide sample files if it helps you reproduce the issue.

2

Yes, if you’re able to send in one of the problematic files it could help us in looking further info this issue. Thanks!

4

I’ve already uploaded the file — the filename is MKV Attachments Test file.mkv .

5

Does playing this sample file on your Apple TV also result in a crash? Is there a specific point in the file where this occurs?

I tried playing the file you uploaded here on an ATV4K (3rd gen) with Auto streaming cache and it seemed to play without issue.

7

If I let the file play all the way through, it’s fine. But if I pause and use the progress bar to jump to another point, the app crashes. While scrubbing, the preview thumbnail above the progress bar also stays blank..

8

Any updates on this?