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resolve opensubtitles subtitle downloads

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dirtydishes 2026-05-25 09:51:02 -04:00
parent 6a29dde857
commit fdc4444f6a
9 changed files with 829 additions and 19 deletions
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74
Dreamio/NativePlayerViewController.swift
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@ -3,6 +3,7 @@ import UIKit
final class NativePlayerViewController: UIViewController {
private let request: NativePlaybackRequest
private var backend: NativePlaybackBackend
private let subtitleResolver: SubtitleResolving
private var startupTimer: Timer?
private var controlsTimer: Timer?
private var progressTimer: Timer?
@ -92,10 +93,15 @@ final class NativePlayerViewController: UIViewController {
return label
}()
init(request: NativePlaybackRequest, backend: NativePlaybackBackend = VLCNativePlaybackBackend()) {
init(
request: NativePlaybackRequest,
backend: NativePlaybackBackend = VLCNativePlaybackBackend(),
subtitleResolver: SubtitleResolving = SubtitleResolver()
) {
self.request = request
self.backend = backend
self.attachedSubtitleURLs = Set(request.subtitleCandidates.map(\.url))
self.subtitleResolver = subtitleResolver
self.attachedSubtitleURLs = []
super.init(nibName: nil, bundle: nil)
modalPresentationStyle = .fullScreen
modalTransitionStyle = .crossDissolve
@ -126,26 +132,52 @@ final class NativePlayerViewController: UIViewController {
configureLayout()
startStartupTimer()
backend.play(request: request)
addSubtitleCandidates(request.subtitleCandidates)
}
@discardableResult
func addSubtitleCandidates(_ candidates: [SubtitleCandidate]) -> Int {
let newCandidates = candidates.filter { candidate in
guard !attachedSubtitleURLs.contains(candidate.url) else {
return false
}
attachedSubtitleURLs.insert(candidate.url)
return true
}
let attachedCount = backend.addSubtitleCandidates(newCandidates)
if attachedCount > 0 {
refreshControls()
}
let pendingCandidates = candidates.filter { !attachedSubtitleURLs.contains($0.url) }
guard !pendingCandidates.isEmpty else {
#if DEBUG
let duplicateCount = candidates.count - newCandidates.count
print("[DreamioNativePlayer] subtitle candidates=\(candidates.count) forwarded=\(newCandidates.count) attached=\(attachedCount) duplicates=\(duplicateCount)")
print("[DreamioNativePlayer] subtitle candidates=\(candidates.count) pending=0 duplicates=\(candidates.count)")
#endif
return attachedCount
return 0
}
pendingCandidates.forEach { attachedSubtitleURLs.insert($0.url) }
Task { [weak self] in
guard let self else {
return
}
let resolvedCandidates = await self.resolveSubtitleCandidates(pendingCandidates)
await MainActor.run {
guard !resolvedCandidates.isEmpty else {
#if DEBUG
print("[DreamioNativePlayer] subtitle candidates=\(candidates.count) pending=\(pendingCandidates.count) resolved=0 attached=0")
#endif
return
}
let attachableCandidates = resolvedCandidates.filter { candidate in
guard !self.attachedSubtitleURLs.contains(candidate.url) || pendingCandidates.contains(where: { $0.url == candidate.url }) else {
return false
}
self.attachedSubtitleURLs.insert(candidate.url)
return true
}
let attachedCount = self.backend.addSubtitleCandidates(attachableCandidates)
if attachedCount > 0 {
self.refreshControls()
}
#if DEBUG
let duplicateCount = candidates.count - pendingCandidates.count + resolvedCandidates.count - attachableCandidates.count
print("[DreamioNativePlayer] subtitle candidates=\(candidates.count) pending=\(pendingCandidates.count) resolved=\(resolvedCandidates.count) attached=\(attachedCount) duplicates=\(duplicateCount)")
#endif
}
}
return pendingCandidates.count
}
override func viewDidDisappear(_ animated: Bool) {
@ -157,6 +189,16 @@ final class NativePlayerViewController: UIViewController {
onDismiss?()
}
private func resolveSubtitleCandidates(_ candidates: [SubtitleCandidate]) async -> [SubtitleCandidate] {
var resolved: [SubtitleCandidate] = []
for candidate in candidates {
if let playableCandidate = await subtitleResolver.resolve(candidate) {
resolved.append(playableCandidate)
}
}
return resolved
}
private func configureBackend() {
backend.prepare(in: self)
backend.view.translatesAutoresizingMaskIntoConstraints = false