@@ -243,27 +243,22 @@ func mergeAssetWithSubtitles(videoAsset: AVURLAsset, subtitleAsset: AVURLAsset)
243243/// - duration: A `CMTime` value representing the total duration of the media.
244244/// This value must be valid for the calculation to work correctly.
245245/// - Returns: A `CMTime` value representing the resolved seek position within the media.
246- func getSeekTime( for time: Double , duration : CMTime ) -> CMTime ? {
247- 248- guard duration. value != 0 else { return nil }
249- 250- let endTime = CMTimeGetSeconds ( duration)
251- let seekTime : CMTime
252- 253- if time < 0 {
254- // If the time is negative, seek to the start of the video
255- seekTime = . zero
256- } else if time >= endTime {
257- // If the time exceeds the video duration, seek to the end of the video
258- let endCMTime = CMTime ( seconds: endTime, preferredTimescale: duration. timescale)
259- seekTime = endCMTime
260- } else {
261- // Otherwise, seek to the specified time
262- let seekCMTime = CMTime ( seconds: time, preferredTimescale: duration. timescale)
263- seekTime = seekCMTime
264- }
265- 266- return seekTime
246+ func getSeekTime( for time: Double , duration: CMTime ) -> CMTime ? {
247+ guard duration. isValid,
248+ duration. isNumeric,
249+ duration. timescale != 0
250+ else { return nil }
251+ 252+ let endSeconds = CMTimeGetSeconds ( duration)
253+ guard endSeconds. isFinite, endSeconds >= 0 else { return nil }
254+ 255+ if time <= 0 { return . zero }
256+ if time >= endSeconds { return duration }
257+ 258+ let clamped = max ( 0 , min ( time, endSeconds) )
259+ 260+ let scale = max ( Int32 ( 600 ) , duration. timescale)
261+ return CMTime ( seconds: clamped, preferredTimescale: scale)
267262}
268263
269264/// Creates an `AVPlayerItem` with optional subtitle merging.
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