allow user to choose captions color

Model/Player/Backends/MPVClient.swift

@@ -68,7 +68,8 @@ final class MPVClient: ObservableObject {
         checkError(mpv_set_option_string(mpv, "vo", "libmpv"))
         checkError(mpv_set_option_string(mpv, "demuxer-lavf-analyzeduration", "1"))
         checkError(mpv_set_option_string(mpv, "deinterlace", Defaults[.mpvDeinterlace] ? "yes" : "no"))
-        checkError(mpv_set_option_string(mpv, "sub-scale", "\(Defaults[.captionsFontScaleSize])"))
+        checkError(mpv_set_option_string(mpv, "sub-scale", Defaults[.captionsFontScaleSize]))
+        checkError(mpv_set_option_string(mpv, "sub-color", Defaults[.captionsFontColor]))
 
         checkError(mpv_initialize(mpv))
 
@@ -414,8 +415,12 @@ final class MPVClient: ObservableObject {
         setString("sub", "no")
     }
 
-    func setSubFontSize() {
+    func setSubFontSize(scaleSize: String) {
-        setString("sub-scale", "\(Defaults[.captionsFontScaleSize])")
+        setString("sub-scale", scaleSize)
+    }
+
+    func setSubFontColor(color: String) {
+        setString("sub-color", color)
     }
 
     var tracksCount: Int {

Shared/Defaults.swift

@@ -305,7 +305,8 @@ extension Defaults.Keys {
     static let captionsLanguageCode = Key<String?>("captionsLanguageCode")
     static let captionsDefaultLanguageCode = Key<String>("captionsDefaultLanguageCode", default: LanguageCodes.English.rawValue)
     static let captionsFallbackLanguageCode = Key<String>("captionsDefaultFallbackCode", default: LanguageCodes.English.rawValue)
-    static let captionsFontScaleSize = Key<Float>("captionsFontScale", default: 1.0)
+    static let captionsFontScaleSize = Key<String>("captionsFontScale", default: "1.0")
+    static let captionsFontColor = Key<String>("captionsFontColor", default: "#FFFFFF")
 
     static let lastUsedPlaylistID = Key<Playlist.ID?>("lastPlaylistID")
     static let lastAccountIsPublic = Key<Bool>("lastAccountIsPublic", default: false)

Shared/Settings/PlayerSettings.swift

@@ -42,6 +42,7 @@ struct PlayerSettings: View {
     @Default(.captionsDefaultLanguageCode) private var captionsDefaultLanguageCode
     @Default(.captionsFallbackLanguageCode) private var captionsFallbackLanguageCode
     @Default(.captionsFontScaleSize) private var captionsFontScaleSize
+    @Default(.captionsFontColor) private var captionsFontColor
 
     @ObservedObject private var accounts = AccountsModel.shared
 
@@ -111,6 +112,10 @@ struct PlayerSettings: View {
                     Text("Size").font(.subheadline)
                 #endif
                 captionsFontScaleSizePicker
+                #if os(tvOS)
+                    Text("Color").font(.subheadline)
+                #endif
+                captionsFontColorPicker
                 showCaptionsAutoShowToggle
 
                 #if !os(tvOS)
@@ -339,12 +344,29 @@ struct PlayerSettings: View {
 
     private var captionsFontScaleSizePicker: some View {
         Picker("Size", selection: $captionsFontScaleSize) {
-            Text("Small").tag(Float(0.5))
+            Text("Small").tag(String("0.5"))
-            Text("Medium").tag(Float(1.0))
+            Text("Medium").tag(String("1.0"))
-            Text("Large").tag(Float(2.0))
+            Text("Large").tag(String("2.0"))
         }
         .onChange(of: captionsFontScaleSize) { _ in
-            PlayerModel.shared.mpvBackend.client.setSubFontSize()
+            PlayerModel.shared.mpvBackend.client.setSubFontSize(scaleSize: captionsFontScaleSize)
+        }
+        #if os(macOS)
+        .labelsHidden()
+        #endif
+    }
+
+    private var captionsFontColorPicker: some View {
+        Picker("Color", selection: $captionsFontColor) {
+            Text("White").tag(String("#FFFFFF"))
+            Text("Yellow").tag(String("#FFFF00"))
+            Text("Red").tag(String("#FF0000"))
+            Text("Orange").tag(String("#FFA500"))
+            Text("Green").tag(String("#008000"))
+            Text("Blue").tag(String("#0000FF"))
+        }
+        .onChange(of: captionsFontColor) { _ in
+            PlayerModel.shared.mpvBackend.client.setSubFontColor(color: captionsFontColor)
         }
         #if os(macOS)
         .labelsHidden()