Add initial version of music mode

Model/Player/Backends/MPVBackend.swift

@@ -62,6 +62,10 @@ final class MPVBackend: PlayerBackend {
     private var controlsUpdates = false
     private var timeObserverThrottle = Throttle(interval: 2)
 
+    var tracks: Int {
+        client?.tracksCount ?? -1
+    }
+
     init(model: PlayerModel, controls: PlayerControlsModel? = nil) {
         self.model = model
         self.controls = controls

Model/Player/PiPDelegate.swift

@@ -50,7 +50,7 @@ final class PiPDelegate: NSObject, AVPictureInPictureControllerDelegate {
             }
         #endif
 
-        if !player.currentItem.isNil {
+        if !player.currentItem.isNil, !player.musicMode {
             player?.show()
         }
 

Model/Player/PlayerControlsModel.swift

@@ -68,9 +68,15 @@ final class PlayerControlsModel: ObservableObject {
     }
 
     func hide() {
-        player?.backend.stopControlsUpdates()
+        guard let player = player,
+              !player.musicMode
+        else {
+            return
+        }
 
-        guard !(player?.currentItem.isNil ?? true) else {
+        player.backend.stopControlsUpdates()
+
+        guard !player.currentItem.isNil else {
             return
         }
 
@@ -83,9 +89,7 @@ final class PlayerControlsModel: ObservableObject {
     }
 
     func toggle() {
-        withAnimation(PlayerControls.animation) {
-            presentingControls.toggle()
-        }
+        presentingControls ? hide() : show()
     }
 
     func reset() {
@@ -101,6 +105,11 @@ final class PlayerControlsModel: ObservableObject {
         #endif
 
         removeTimer()
+
+        guard !player.musicMode else {
+            return
+        }
+
         timer = Timer.scheduledTimer(withTimeInterval: 5.0, repeats: false) { _ in
             withAnimation(PlayerControls.animation) { [weak self] in
                 self?.presentingControls = false

Model/Player/PlayerModel.swift

@@ -62,6 +62,7 @@ final class PlayerModel: ObservableObject {
     @Published var lastSkipped: Segment? { didSet { rebuildTVMenu() } }
     @Published var restoredSegments = [Segment]()
 
+    @Published var musicMode = false
     @Published var returnYouTubeDislike = ReturnYouTubeDislikeAPI()
 
     #if os(iOS)
@@ -114,7 +115,7 @@ final class PlayerModel: ObservableObject {
         self.avPlayerBackend = AVPlayerBackend(model: self, controls: controls)
         self.mpvBackend = MPVBackend(model: self)
 
-        self.activeBackend = Defaults[.activeBackend]
+        Defaults[.activeBackend] = .mpv
     }
 
     func show() {
@@ -361,6 +362,12 @@ final class PlayerModel: ObservableObject {
             return
         }
 
+        if to == .mpv {
+            addVideoTrackFromStream()
+        } else {
+            musicMode = false
+        }
+
         inactiveBackends().forEach { $0.pause() }
 
         let fromBackend: PlayerBackend = from == .appleAVPlayer ? avPlayerBackend : mpvBackend
@@ -561,4 +568,37 @@ final class PlayerModel: ObservableObject {
     func setNeedsDrawing(_ needsDrawing: Bool) {
         backends.forEach { $0.setNeedsDrawing(needsDrawing) }
     }
+
+    func toggleMusicMode() {
+        musicMode.toggle()
+
+        if musicMode {
+            if playingInPictureInPicture {
+                avPlayerBackend.pause()
+                avPlayerBackend.switchToMPVOnPipClose = false
+                closePiP()
+            }
+            changeActiveBackend(from: .appleAVPlayer, to: .mpv)
+            controls.presentingControls = true
+            controls.removeTimer()
+            mpvBackend.setVideoToNo()
+        } else {
+            addVideoTrackFromStream()
+            mpvBackend.setVideoToAuto()
+
+            controls.resetTimer()
+        }
+    }
+
+    func addVideoTrackFromStream() {
+        if let videoTrackURL = stream?.videoAsset?.url,
+           mpvBackend.tracks < 2
+        {
+            logger.info("adding video track")
+
+            mpvBackend.addVideoTrack(videoTrackURL)
+        }
+
+        mpvBackend.setVideoToAuto()
+    }
 }

Shared/Player/Controls/PlayerControls.swift

@@ -1,10 +1,12 @@
 import Foundation
+import SDWebImageSwiftUI
 import SwiftUI
 
 struct PlayerControls: View {
     static let animation = Animation.easeInOut(duration: 0.2)
 
     private var player: PlayerModel!
+    private var thumbnails: ThumbnailsModel!
 
     @EnvironmentObject<PlayerControlsModel> private var model
 
@@ -20,8 +22,9 @@ struct PlayerControls: View {
         @FocusState private var focusedField: Field?
     #endif
 
-    init(player: PlayerModel) {
+    init(player: PlayerModel, thumbnails: ThumbnailsModel) {
         self.player = player
+        self.thumbnails = thumbnails
     }
 
     var body: some View {
@@ -86,10 +89,26 @@ struct PlayerControls: View {
         }
         #else
                 .background(PlayerGestures())
+                .background(controlsBackground)
         #endif
                 .environment(\.colorScheme, .dark)
     }
 
+    @ViewBuilder var controlsBackground: some View {
+        if player.musicMode,
+           let item = self.player.currentItem,
+           let url = thumbnails.best(item.video)
+        {
+            WebImage(url: url)
+                .resizable()
+                .placeholder {
+                    Rectangle().fill(Color("PlaceholderColor"))
+                }
+                .retryOnAppear(true)
+                .indicator(.activity)
+        }
+    }
+
     var timeline: some View {
         TimelineView(duration: durationBinding, current: currentTimeBinding, cornerRadius: 0)
     }
@@ -186,9 +205,11 @@ struct PlayerControls: View {
 
                 closeVideoButton
 
+                button("Music Mode", systemImage: "music.note", active: player.musicMode, action: player.toggleMusicMode)
+                    .disabled(player.activeBackend == .appleAVPlayer)
+
                 Spacer()
             #endif
-//            button("Music Mode", systemImage: "music.note")
         }
     }
 
@@ -355,6 +376,7 @@ struct PlayerControls: View {
         systemImage: String = "arrow.up.left.and.arrow.down.right",
         size: Double = 30,
         cornerRadius: Double = 3,
+        active: Bool = false,
         action: @escaping () -> Void = {}
     ) -> some View {
         Button {
@@ -367,7 +389,7 @@ struct PlayerControls: View {
                 .contentShape(Rectangle())
         }
         .buttonStyle(.plain)
-        .foregroundColor(.primary)
+        .foregroundColor(active ? .accentColor : .primary)
         .frame(width: size, height: size)
         #if os(macOS)
             .background(VisualEffectBlur(material: .hudWindow))
@@ -396,7 +418,7 @@ struct PlayerControls_Previews: PreviewProvider {
         let view = ZStack {
             Color.gray
 
-            PlayerControls(player: PlayerModel())
+            PlayerControls(player: PlayerModel(), thumbnails: ThumbnailsModel())
                 .injectFixtureEnvironmentObjects()
                 .environmentObject(model)
         }

Shared/Player/VideoPlayerView.swift

@@ -48,6 +48,7 @@ struct VideoPlayerView: View {
     @EnvironmentObject<AccountsModel> private var accounts
     @EnvironmentObject<PlayerControlsModel> private var playerControls
     @EnvironmentObject<PlayerModel> private var player
+    @EnvironmentObject<ThumbnailsModel> private var thumbnails
 
     var body: some View {
         #if os(macOS)
@@ -126,9 +127,7 @@ struct VideoPlayerView: View {
                 #else
                     GeometryReader { geometry in
                         VStack(spacing: 0) {
-                            if player.currentItem.isNil {
-                                playerPlaceholder(geometry: geometry)
-                            } else if player.playingInPictureInPicture {
+                            if player.playingInPictureInPicture {
                                 pictureInPicturePlaceholder(geometry: geometry)
                             } else {
                                 playerView
@@ -140,6 +139,7 @@ struct VideoPlayerView: View {
                                         fullScreen: playerControls.playingFullscreen
                                     )
                                 )
+                                .overlay(playerPlaceholder(geometry: geometry))
                                 #endif
                             }
                         }
@@ -273,7 +273,7 @@ struct VideoPlayerView: View {
                 PlayerGestures()
             #endif
 
-            PlayerControls(player: player)
+            PlayerControls(player: player, thumbnails: thumbnails)
         }
         #if os(iOS)
         .onAppear {
@@ -298,7 +298,8 @@ struct VideoPlayerView: View {
         #endif
     }
 
-    func playerPlaceholder(geometry: GeometryProxy) -> some View {
+    @ViewBuilder func playerPlaceholder(geometry: GeometryProxy) -> some View {
+        if player.currentItem.isNil {
             ZStack(alignment: .topLeading) {
                 HStack {
                     Spacer()
@@ -328,9 +329,11 @@ struct VideoPlayerView: View {
                     .foregroundColor(.gray)
                 #endif
             }
+            .background(Color.black)
             .contentShape(Rectangle())
             .frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: geometry.size.width / Self.defaultAspectRatio)
         }
+    }
 
     func pictureInPicturePlaceholder(geometry: GeometryProxy) -> some View {
         HStack {

Shared/Videos/VideoCell.swift

@@ -65,6 +65,10 @@ struct VideoCell: View {
                 return
             }
 
+            if player.musicMode {
+                player.toggleMusicMode()
+            }
+
             if watchingNow {
                 if !player.playingInPictureInPicture {
                     player.show()

Shared/Views/VideoContextMenuView.swift

@@ -57,6 +57,9 @@ struct VideoContextMenuView: View {
             #if os(iOS)
                 playNowInPictureInPictureButton
             #endif
+            #if !os(tvOS)
+                playNowInMusicMode
+            #endif
         }
 
         Section {
@@ -131,6 +134,10 @@ struct VideoContextMenuView: View {
 
     private var playNowButton: some View {
         Button {
+            if player.musicMode {
+                player.toggleMusicMode()
+            }
+
             player.play(video)
         } label: {
             Label("Play Now", systemImage: "play")
@@ -149,6 +156,18 @@ struct VideoContextMenuView: View {
         }
     }
 
+    private var playNowInMusicMode: some View {
+        Button {
+            if !player.musicMode {
+                player.toggleMusicMode()
+            }
+
+            player.play(video, at: watch?.timeToRestart, showingPlayer: false)
+        } label: {
+            Label("Play Music", systemImage: "music.note")
+        }
+    }
+
     private var playNextButton: some View {
         Button {
             player.playNext(video)