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yattee/Model/Player/PlayerSponsorBlock.swift

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Swift
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import AVFAudio
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import CoreMedia
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import Defaults
import Foundation
import SwiftUI
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extension PlayerModel {
func handleSegments(at time: CMTime) {
if let segment = lastSkipped {
if time > .secondsInDefaultTimescale(segment.end + 5) {
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resetLastSegment()
}
}
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guard let firstSegment = sponsorBlock.segments.first(where: { $0.timeInSegment(time) }) else {
return
}
// find last segment in case they are 2 sec or less after each other
// to avoid multiple skips in a row
var nextSegments = [firstSegment]
while let segment = sponsorBlock.segments.first(where: {
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!nextSegments.contains($0) &&
$0.timeInSegment(.secondsInDefaultTimescale(nextSegments.last!.end + 2))
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}) {
nextSegments.append(segment)
}
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if let segmentToSkip = nextSegments.last, shouldSkip(segmentToSkip, at: time) {
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skip(segmentToSkip, at: time)
}
}
private func skip(_ segment: Segment, at time: CMTime) {
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if let duration = playerItemDuration, segment.endTime.seconds >= duration.seconds - 3 {
logger.error("segment end time is: \(segment.end) when player item duration is: \(duration.seconds)")
DispatchQueue.main.async { [weak self] in
guard let self = self else {
return
}
self.pause()
if Defaults[.closeLastItemOnPlaybackEnd] {
self.prepareCurrentItemForHistory(finished: true)
}
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if self.queue.isEmpty {
#if !os(macOS)
try? AVAudioSession.sharedInstance().setActive(false)
#endif
if Defaults[.closeLastItemOnPlaybackEnd] {
self.resetQueue()
self.hide()
}
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} else {
self.advanceToNextItem()
}
}
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return
}
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backend.seek(to: segment.endTime)
DispatchQueue.main.async { [weak self] in
withAnimation {
self?.lastSkipped = segment
}
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self?.segmentRestorationTime = time
}
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logger.info("SponsorBlock skipping to: \(segment.end)")
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}
private func shouldSkip(_ segment: Segment, at time: CMTime) -> Bool {
guard isPlaying,
!restoredSegments.contains(segment),
Defaults[.sponsorBlockCategories].contains(segment.category)
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else {
return false
}
return time.seconds - segment.start < 2 && segment.end - time.seconds > 2
}
func restoreLastSkippedSegment() {
guard let segment = lastSkipped,
let time = segmentRestorationTime
else {
return
}
restoredSegments.append(segment)
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backend.seek(to: time)
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resetLastSegment()
}
private func resetLastSegment() {
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DispatchQueue.main.async { [weak self] in
withAnimation {
self?.lastSkipped = nil
}
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self?.segmentRestorationTime = nil
}
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}
func resetSegments() {
resetLastSegment()
restoredSegments = []
}
}