### ExoPlayer Version 2.15.1 ### Devices that reproduce the issue * Samsung S11 with Android 11 ### Devices that do not reproduce the issue Google Pixels as they do not support decoding the Dolby AC-4 codec ### Reproducible in the demo app? Yes ### Reproduction steps 1. Play attached media 2. Seek the player forward 3. Watch playhead snap to the beginning of the segment instead of seeking to specified point ### Expected result Player seeks to IFrame as close to specified point as possible, parsing subfragments within the segment accordingly. ### Actual result Player detects discontinuity and snaps to the closest Iframe at beginning of segment ### Media Will email clear AC4 media separately ### Bug Report - [X] You will email the zip file produced by `adb bugreport` to dev.exoplayer@gmail.com after filing this issue.