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Support resuming fragmented MP4s #2690

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Merged
fire-light42 merged 2 commits into from
Apr 19, 2026
Merged

Support resuming fragmented MP4s #2690

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Support resuming fragmented MP4s
Luna712 Apr 18, 2026
219dc0e
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Luna712 Apr 19, 2026
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17 changes: 17 additions & 0 deletions app/src/main/java/com/lagradost/cloudstream3/ui/player/CS3IPlayer.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -1414,6 +1414,23 @@ class CS3IPlayer : IPlayer {
event(PlayerAttachedEvent(exoPlayer))
exoPlayer?.prepare()

// For offline fragmented MP4s, FLAG_MERGE_FRAGMENTED_SIDX builds the SIDX seek map
// incrementally as data is buffered. The initial seek resolves to the nearest merged
// entry (~first fragment, 3 s). On STATE_READY, re-seek to the actual saved position.
// This may only be reproducible on large and fairly long fragmented MP4 files with
// multiple sidx boxes.
if (onlineSource == null && playbackPosition > (exoPlayer?.duration ?: 0L)) {
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exoPlayer?.addListener(object : Player.Listener {
private var seekApplied = false
override fun onPlaybackStateChanged(playbackState: Int) {
if (seekApplied || playbackState != Player.STATE_READY) return
seekApplied = true
exoPlayer?.seekTo(currentWindow, playbackPosition)
exoPlayer?.removeListener(this)
}
})
}

exoPlayer?.let { exo ->
event(StatusEvent(CSPlayerLoading.IsBuffering, CSPlayerLoading.IsBuffering))
isPlaying = exo.isPlaying
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