add native audio track selection

.beads/interactions.jsonl

@@ -23,3 +23,4 @@
 {"id":"int-4e095d3f","kind":"field_change","created_at":"2026-05-25T14:38:21.968713Z","actor":"dirtydishes","issue_id":"dreamio-djc","extra":{"field":"status","new_value":"closed","old_value":"in_progress","reason":"Auto-select the first discovered VLC subtitle track when playback is still disabled, while preserving manual caption choices."}}
 {"id":"int-96629c65","kind":"field_change","created_at":"2026-05-25T14:45:38.521113Z","actor":"dirtydishes","issue_id":"dreamio-ppj","extra":{"field":"status","new_value":"closed","old_value":"in_progress","reason":"Re-applied the auto-selected VLC subtitle track after stream discovery and playback state changes to harden rendering timing."}}
 {"id":"int-027cec57","kind":"field_change","created_at":"2026-05-25T14:51:44.599319Z","actor":"dirtydishes","issue_id":"dreamio-3xi","extra":{"field":"status","new_value":"closed","old_value":"in_progress","reason":"Captured OpenSubtitles V3 subtitle URLs from browser track elements and textTracks so they can be forwarded to native playback."}}
+{"id":"int-8f943c34","kind":"field_change","created_at":"2026-05-25T15:01:35.610049Z","actor":"dirtydishes","issue_id":"dreamio-bao","extra":{"field":"status","new_value":"closed","old_value":"open","reason":"Implemented native audio track discovery and selection with a far-left audio menu in the VLC-backed player."}}

.beads/issues.jsonl

@@ -1,4 +1,5 @@
 {"_type":"issue","id":"dreamio-8cz","title":"fix stremio external subtitle loading regression","description":"After adding late subtitle forwarding for native playback, Stremio external subtitle loading is failing. Investigate the injected bridge and native subtitle forwarding path, then adjust behavior so Stremio can still load external subtitles while native playback receives late candidates.","status":"closed","priority":0,"issue_type":"bug","assignee":"dirtydishes","owner":"dishes@dpdrm.com","created_at":"2026-05-25T11:05:42Z","created_by":"dirtydishes","updated_at":"2026-05-25T11:07:35Z","started_at":"2026-05-25T11:05:55Z","closed_at":"2026-05-25T11:07:35Z","close_reason":"Hardened subtitle bridge network observers so non-text Stremio subtitle loads are not touched, and made parser traversal deterministic for metadata preservation.","dependency_count":0,"dependent_count":0,"comment_count":0}
+{"_type":"issue","id":"dreamio-bao","title":"add native player audio track selection","description":"Add audio track discovery and selection to the native VLC-backed player so multi-language files can be filtered from the player controls.","status":"closed","priority":1,"issue_type":"feature","owner":"dishes@dpdrm.com","created_at":"2026-05-25T14:57:14Z","created_by":"dirtydishes","updated_at":"2026-05-25T15:01:36Z","closed_at":"2026-05-25T15:01:36Z","close_reason":"Implemented native audio track discovery and selection with a far-left audio menu in the VLC-backed player.","dependency_count":0,"dependent_count":0,"comment_count":0}
 {"_type":"issue","id":"dreamio-3xi","title":"Capture browser text tracks for OpenSubtitles V3","description":"OpenSubtitles V3 subtitles can be attached to the Stremio web player as HTML track/textTrack entries rather than appearing in the initial stream candidate. Extend the web bridge to inspect track elements and textTracks so external subtitles can be forwarded to native playback.","status":"closed","priority":1,"issue_type":"bug","assignee":"dirtydishes","owner":"dishes@dpdrm.com","created_at":"2026-05-25T14:49:50Z","created_by":"dirtydishes","updated_at":"2026-05-25T14:51:45Z","started_at":"2026-05-25T14:49:52Z","closed_at":"2026-05-25T14:51:45Z","close_reason":"Captured OpenSubtitles V3 subtitle URLs from browser track elements and textTracks so they can be forwarded to native playback.","dependency_count":0,"dependent_count":0,"comment_count":0}
 {"_type":"issue","id":"dreamio-ppj","title":"Reapply VLC embedded subtitle selection after track discovery","description":"Device logs show VLC eventually exposes and selects the embedded English SDH subtitle track, but subtitles still do not render. Investigate and harden the VLC selection timing so embedded tracks are selected after discovery is stable.","status":"closed","priority":1,"issue_type":"bug","assignee":"dirtydishes","owner":"dishes@dpdrm.com","created_at":"2026-05-25T14:44:08Z","created_by":"dirtydishes","updated_at":"2026-05-25T14:45:38Z","started_at":"2026-05-25T14:44:18Z","closed_at":"2026-05-25T14:45:38Z","close_reason":"Re-applied the auto-selected VLC subtitle track after stream discovery and playback state changes to harden rendering timing.","dependency_count":0,"dependent_count":0,"comment_count":0}
 {"_type":"issue","id":"dreamio-djc","title":"Auto-select embedded VLC subtitle tracks","description":"VLC discovers embedded MKV subtitle tracks after playback starts, but Dreamio leaves subtitles disabled when no external candidates were provided. Add automatic selection for the first selectable VLC subtitle track while preserving manual caption choices.","status":"closed","priority":1,"issue_type":"bug","assignee":"dirtydishes","owner":"dishes@dpdrm.com","created_at":"2026-05-25T14:36:11Z","created_by":"dirtydishes","updated_at":"2026-05-25T14:38:22Z","started_at":"2026-05-25T14:36:17Z","closed_at":"2026-05-25T14:38:22Z","close_reason":"Auto-select the first discovered VLC subtitle track when playback is still disabled, while preserving manual caption choices.","dependency_count":0,"dependent_count":0,"comment_count":0}

Dreamio/NativePlaybackBackend.swift

@@ -6,12 +6,15 @@ protocol NativePlaybackBackend: AnyObject {
     var onFailure: ((Error) -> Void)? { get set }
     var onStateChange: (() -> Void)? { get set }
     var onSubtitleTracksChange: (() -> Void)? { get set }
+    var onAudioTracksChange: (() -> Void)? { get set }
     var isPlaying: Bool { get }
     var isSeekable: Bool { get }
     var duration: TimeInterval { get }
     var currentTime: TimeInterval { get }
     var remainingTime: TimeInterval { get }
     var position: Float { get }
+    var audioTracks: [AudioTrack] { get }
+    var selectedAudioTrackID: Int32 { get }
     var subtitleTracks: [SubtitleTrack] { get }
     var selectedSubtitleTrackID: Int32 { get }
     var subtitleDelay: TimeInterval { get }
@@ -23,6 +26,7 @@ protocol NativePlaybackBackend: AnyObject {
     func togglePlayPause()
     func seek(to position: Float)
     func jump(by seconds: TimeInterval)
+    func selectAudioTrack(id: Int32)
     func selectSubtitleTrack(id: Int32)
     func adjustSubtitleDelay(by seconds: TimeInterval)
     @discardableResult

Dreamio/NativePlayerViewController.swift

@@ -9,6 +9,7 @@ final class NativePlayerViewController: UIViewController {
     private var progressTimer: Timer?
     private var isScrubbing = false
     private var attachedSubtitleURLs: Set<URL>
+    private var audioMenuSignature: String?
     private var captionsMenuSignature: String?
     var onDismiss: (() -> Void)?
 
@@ -34,8 +35,11 @@ final class NativePlayerViewController: UIViewController {
     private let controlsContainer: UIVisualEffectView = {
         let view = UIVisualEffectView(effect: UIBlurEffect(style: .systemUltraThinMaterialDark))
         view.translatesAutoresizingMaskIntoConstraints = false
-        view.layer.cornerRadius = 16
+        view.layer.cornerRadius = 22
         view.clipsToBounds = true
+        view.backgroundColor = UIColor.white.withAlphaComponent(0.08)
+        view.layer.borderColor = UIColor.white.withAlphaComponent(0.18).cgColor
+        view.layer.borderWidth = 1
         return view
     }()
 
@@ -49,6 +53,7 @@ final class NativePlayerViewController: UIViewController {
     private let playPauseButton = NativePlayerViewController.iconButton(systemName: "pause.fill", label: "Play or Pause")
     private let jumpBackButton = NativePlayerViewController.iconButton(systemName: "gobackward.15", label: "Jump Back 15 Seconds")
     private let jumpForwardButton = NativePlayerViewController.iconButton(systemName: "goforward.15", label: "Jump Forward 15 Seconds")
+    private let audioButton = NativePlayerViewController.iconButton(systemName: "waveform.circle", label: "Audio Tracks")
     private let captionsButton = NativePlayerViewController.iconButton(systemName: "captions.bubble", label: "Captions")
 
     private let elapsedLabel: UILabel = {
@@ -229,6 +234,11 @@ final class NativePlayerViewController: UIViewController {
                 self?.refreshControls()
             }
         }
+        backend.onAudioTracksChange = { [weak self] in
+            DispatchQueue.main.async {
+                self?.refreshControls()
+            }
+        }
     }
 
     private func startStartupTimer() {
@@ -250,8 +260,9 @@ final class NativePlayerViewController: UIViewController {
         playPauseButton.addTarget(self, action: #selector(togglePlayPause), for: .touchUpInside)
         jumpBackButton.addTarget(self, action: #selector(jumpBack), for: .touchUpInside)
         jumpForwardButton.addTarget(self, action: #selector(jumpForward), for: .touchUpInside)
+        audioButton.showsMenuAsPrimaryAction = true
         captionsButton.showsMenuAsPrimaryAction = true
-        playPauseButton.layer.cornerRadius = 21
+        playPauseButton.layer.cornerRadius = 24
         scrubber.addTarget(self, action: #selector(scrubbingStarted), for: .touchDown)
         scrubber.addTarget(self, action: #selector(scrubberChanged), for: .valueChanged)
         scrubber.addTarget(self, action: #selector(scrubbingEnded), for: [.touchUpInside, .touchUpOutside, .touchCancel])
@@ -266,12 +277,19 @@ final class NativePlayerViewController: UIViewController {
         timeAndScrubRow.alignment = .center
         timeAndScrubRow.spacing = 8
 
-        let controlRow = UIStackView(arrangedSubviews: [jumpBackButton, playPauseButton, jumpForwardButton, captionsButton])
+        let playbackCluster = UIStackView(arrangedSubviews: [jumpBackButton, playPauseButton, jumpForwardButton])
+        playbackCluster.translatesAutoresizingMaskIntoConstraints = false
+        playbackCluster.axis = .horizontal
+        playbackCluster.alignment = .center
+        playbackCluster.distribution = .equalCentering
+        playbackCluster.spacing = 14
+
+        let controlRow = UIStackView(arrangedSubviews: [audioButton, playbackCluster, captionsButton])
         controlRow.translatesAutoresizingMaskIntoConstraints = false
         controlRow.axis = .horizontal
         controlRow.alignment = .center
-        controlRow.distribution = .equalSpacing
+        controlRow.distribution = .equalCentering
-        controlRow.spacing = 14
+        controlRow.spacing = 18
 
         let stack = UIStackView(arrangedSubviews: [timeAndScrubRow, controlRow])
         stack.translatesAutoresizingMaskIntoConstraints = false
@@ -322,6 +340,9 @@ final class NativePlayerViewController: UIViewController {
             playPauseButton.heightAnchor.constraint(equalToConstant: 42),
             jumpForwardButton.widthAnchor.constraint(equalToConstant: 36),
             jumpForwardButton.heightAnchor.constraint(equalToConstant: 36),
+            audioButton.widthAnchor.constraint(equalToConstant: 36),
+            audioButton.heightAnchor.constraint(equalToConstant: 36),
+            playbackCluster.centerXAnchor.constraint(equalTo: controlRow.centerXAnchor),
             captionsButton.widthAnchor.constraint(equalToConstant: 36),
             captionsButton.heightAnchor.constraint(equalToConstant: 36)
         ])
@@ -430,6 +451,36 @@ final class NativePlayerViewController: UIViewController {
         return UIMenu(title: "Captions", children: trackActions + [delayActions])
     }
 
+    private func audioMenu() -> UIMenu {
+        let selectedTrackID = backend.selectedAudioTrackID
+        let tracks = backend.audioTracks
+        let options = AudioOptionMapper.options(from: tracks)
+#if DEBUG
+        print("[DreamioAudio] build-menu tracks=\(SubtitleDebugFormatter.trackSummary(tracks)) selected=\(selectedTrackID)")
+#endif
+        let trackActions = options.map { track in
+            UIAction(
+                title: track.name,
+                state: track.id == selectedTrackID ? .on : .off
+            ) { [weak self] _ in
+                guard let self else {
+                    return
+                }
+#if DEBUG
+                print("[DreamioAudio] select-request id=\(track.id) name=\(track.name) before=\(self.backend.selectedAudioTrackID)")
+#endif
+                self.backend.selectAudioTrack(id: track.id)
+#if DEBUG
+                print("[DreamioAudio] select-result id=\(track.id) after=\(self.backend.selectedAudioTrackID) tracks=\(SubtitleDebugFormatter.trackSummary(self.backend.audioTracks))")
+#endif
+                self.audioMenuSignature = nil
+                self.refreshControls()
+            }
+        }
+
+        return UIMenu(title: "Audio", children: trackActions)
+    }
+
     private func startProgressUpdates() {
         progressTimer?.invalidate()
         progressTimer = Timer.scheduledTimer(withTimeInterval: 0.5, repeats: true) { [weak self] _ in
@@ -438,11 +489,13 @@ final class NativePlayerViewController: UIViewController {
     }
 
     private func refreshControls() {
+        let audioTracks = backend.audioTracks
         let subtitleTracks = backend.subtitleTracks
         playPauseButton.setImage(UIImage(systemName: backend.isPlaying ? "pause.fill" : "play.fill"), for: .normal)
         scrubber.isEnabled = backend.isSeekable
         jumpBackButton.isEnabled = backend.isSeekable
         jumpForwardButton.isEnabled = backend.isSeekable
+        updateAudioMenuIfNeeded(audioTracks: audioTracks)
         updateCaptionsMenuIfNeeded(subtitleTracks: subtitleTracks)
         elapsedLabel.text = PlaybackTimeFormatter.label(for: backend.currentTime)
         remainingLabel.text = "-\(PlaybackTimeFormatter.label(for: backend.remainingTime))"
@@ -452,6 +505,26 @@ final class NativePlayerViewController: UIViewController {
         [scrubber, jumpBackButton, jumpForwardButton].forEach { $0.alpha = backend.isSeekable ? 1 : 0.45 }
     }
 
+    private func updateAudioMenuIfNeeded(audioTracks: [AudioTrack]) {
+        let selectedTrackID = backend.selectedAudioTrackID
+        let signature = trackMenuSignatureValue(
+            tracks: audioTracks,
+            selectedTrackID: selectedTrackID
+        )
+        let hasSelectableTrack = AudioOptionMapper.options(from: audioTracks).count > 1
+        audioButton.isEnabled = hasSelectableTrack
+        audioButton.alpha = hasSelectableTrack ? 1 : 0.45
+        guard signature != audioMenuSignature else {
+            return
+        }
+
+        audioMenuSignature = signature
+        audioButton.menu = audioMenu()
+#if DEBUG
+        print("[DreamioAudio] refresh-menu enabled=\(audioButton.isEnabled) tracks=\(SubtitleDebugFormatter.trackSummary(audioTracks)) selected=\(selectedTrackID)")
+#endif
+    }
+
     private func updateCaptionsMenuIfNeeded(subtitleTracks: [SubtitleTrack]) {
         let selectedTrackID = backend.selectedSubtitleTrackID
         let signature = captionsMenuSignatureValue(
@@ -476,11 +549,19 @@ final class NativePlayerViewController: UIViewController {
         tracks: [SubtitleTrack],
         selectedTrackID: Int32,
         delay: TimeInterval
+    ) -> String {
+        let trackSignature = trackMenuSignatureValue(tracks: tracks, selectedTrackID: selectedTrackID)
+        return "\(trackSignature)#delay=\(String(format: "%.1f", delay))"
+    }
+
+    private func trackMenuSignatureValue(
+        tracks: [SubtitleTrack],
+        selectedTrackID: Int32
     ) -> String {
         let trackSignature = tracks
             .map { "\($0.id):\($0.name)" }
             .joined(separator: "|")
-        return "\(trackSignature)#selected=\(selectedTrackID)#delay=\(String(format: "%.1f", delay))"
+        return "\(trackSignature)#selected=\(selectedTrackID)"
     }
 
     private func revealControls() {
@@ -517,8 +598,10 @@ final class NativePlayerViewController: UIViewController {
         button.translatesAutoresizingMaskIntoConstraints = false
         button.setImage(UIImage(systemName: systemName), for: .normal)
         button.tintColor = .white
-        button.backgroundColor = UIColor.black.withAlphaComponent(0.35)
+        button.backgroundColor = UIColor.white.withAlphaComponent(0.12)
         button.layer.cornerRadius = 18
+        button.layer.borderColor = UIColor.white.withAlphaComponent(0.16).cgColor
+        button.layer.borderWidth = 1
         button.accessibilityLabel = label
         return button
     }

Dreamio/StreamCandidate.swift

@@ -40,6 +40,8 @@ struct SubtitleTrack: Equatable {
     let name: String
 }
 
+typealias AudioTrack = SubtitleTrack
+
 #if DEBUG
 enum SubtitleDebugFormatter {
     static func candidateSummary(_ candidates: [SubtitleCandidate]) -> String {
@@ -93,6 +95,12 @@ enum SubtitleOptionMapper {
     }
 }
 
+enum AudioOptionMapper {
+    static func options(from tracks: [AudioTrack]) -> [AudioTrack] {
+        tracks.filter { $0.id >= 0 }
+    }
+}
+
 struct StreamClassification {
     let sourceKind: StreamSourceKind
     let containerGuess: StreamContainerGuess

Dreamio/VLCNativePlaybackBackend.swift

@@ -18,6 +18,7 @@ final class VLCNativePlaybackBackend: NSObject, NativePlaybackBackend {
     var onFailure: ((Error) -> Void)?
     var onStateChange: (() -> Void)?
     var onSubtitleTracksChange: (() -> Void)?
+    var onAudioTracksChange: (() -> Void)?
 
 #if canImport(MobileVLCKit)
     private let mediaPlayer = VLCMediaPlayer()
@@ -104,6 +105,19 @@ final class VLCNativePlaybackBackend: NSObject, NativePlaybackBackend {
 #endif
     }
 
+    func selectAudioTrack(id: Int32) {
+#if canImport(MobileVLCKit)
+#if DEBUG
+        logAudioTracks(reason: "before-select-\(id)")
+#endif
+        mediaPlayer.currentAudioTrackIndex = id
+#if DEBUG
+        logAudioTracks(reason: "after-select-\(id)")
+#endif
+        onAudioTracksChange?()
+#endif
+    }
+
     func selectSubtitleTrack(id: Int32) {
 #if canImport(MobileVLCKit)
         didUserSelectSubtitleTrack = true
@@ -193,6 +207,26 @@ final class VLCNativePlaybackBackend: NSObject, NativePlaybackBackend {
 #endif
     }
 
+    var audioTracks: [AudioTrack] {
+#if canImport(MobileVLCKit)
+        let names = mediaPlayer.audioTrackNames as? [String] ?? []
+        let indexes = mediaPlayer.audioTrackIndexes as? [NSNumber] ?? []
+        return zip(indexes, names).map { index, name in
+            AudioTrack(id: index.int32Value, name: name)
+        }
+#else
+        []
+#endif
+    }
+
+    var selectedAudioTrackID: Int32 {
+#if canImport(MobileVLCKit)
+        mediaPlayer.currentAudioTrackIndex
+#else
+        -1
+#endif
+    }
+
     var subtitleTracks: [SubtitleTrack] {
 #if canImport(MobileVLCKit)
         let names = mediaPlayer.videoSubTitlesNames as? [String] ?? []
@@ -257,6 +291,12 @@ final class VLCNativePlaybackBackend: NSObject, NativePlaybackBackend {
     }
 
 #if DEBUG
+    private func logAudioTracks(reason: String) {
+        let names = mediaPlayer.audioTrackNames as? [String] ?? []
+        let indexes = mediaPlayer.audioTrackIndexes as? [NSNumber] ?? []
+        print("[DreamioVLC] audio tracks reason=\(reason) names=\(names) indexes=\(indexes.map { $0.int32Value }) selected=\(mediaPlayer.currentAudioTrackIndex)")
+    }
+
     private func logSubtitleTracks(reason: String) {
         let names = mediaPlayer.videoSubTitlesNames as? [String] ?? []
         let indexes = mediaPlayer.videoSubTitlesIndexes as? [NSNumber] ?? []
@@ -315,6 +355,7 @@ extension VLCNativePlaybackBackend: VLCMediaPlayerDelegate {
             reapplyAutoSelectedSubtitleTrackIfNeeded(reason: stateName(mediaPlayer.state))
             onReady?()
             onStateChange?()
+            onAudioTracksChange?()
         case .error:
             onFailure?(NativePlaybackError.playbackFailed)
         case .paused, .stopped, .ended:
@@ -322,8 +363,10 @@ extension VLCNativePlaybackBackend: VLCMediaPlayerDelegate {
         case .esAdded:
             selectInitialSubtitleTrackIfNeeded(reason: "esAdded")
 #if DEBUG
+            logAudioTracks(reason: "esAdded")
             logSubtitleTracks(reason: "esAdded")
 #endif
+            onAudioTracksChange?()
             onSubtitleTracksChange?()
         default:
             break