feat: add support for auto-dubbed audio format detection

Author: b5i

Sources/YouTubeKit/YouTubeResponseTypes/VideoInfos/AudioOnlyFormat.swift

@@ -54,10 +54,11 @@ public struct AudioOnlyFormat: DownloadFormat {
 
     /// Struct representing some informations about the audio track language.
     public struct FormatLocaleInfos: Sendable {
-        public init(displayName: String? = nil, localeId: String? = nil, isDefaultAudioFormat: Bool? = nil) {
+        public init(displayName: String? = nil, localeId: String? = nil, isDefaultAudioFormat: Bool? = nil, isAutoDubbed: Bool? = nil) {
             self.displayName = displayName
             self.localeId = localeId
             self.isDefaultAudioFormat = isDefaultAudioFormat
+            self.isAutoDubbed = isAutoDubbed
         }
 
         /// Name of the language, e.g. "French".
@@ -68,7 +69,10 @@ public struct AudioOnlyFormat: DownloadFormat {
         /// Id of the language, generally is the language code that has ".n" has suffix. E.g. "fr.3" or "en.4".
         public var localeId: String?
 
-        /// Boolean indicating whether the format is considered as the default one by YouTube (depends on the ``YouTubeModel``'s locale and the cookie's (if provided) account's default language).
+        /// A boolean indicating whether the audio was auto-dubbed by YouTube.
+        public var isAutoDubbed: Bool?
+        
+        /// A boolean indicating whether the format is considered as the default one by YouTube (depends on the ``YouTubeModel``'s locale and the cookie's (if provided) account's default language).
         public var isDefaultAudioFormat: Bool?
     }
 }

Sources/YouTubeKit/YouTubeResponseTypes/VideoInfos/VideoInfosWithDownloadFormatsResponse.swift

@@ -473,7 +473,7 @@ public struct VideoInfosWithDownloadFormatsResponse: YouTubeResponse {
                     }
                 }(),
                 loudness: json["loudnessDb"].double,
-                formatLocaleInfos: json["audioTrack", "id"].string != nil ? .init(displayName: json["audioTrack", "displayName"].string, localeId: json["audioTrack", "id"].string, isDefaultAudioFormat: json["audioTrack", "audioIsDefault"].bool) : nil
+                formatLocaleInfos: json["audioTrack", "id"].string != nil ? .init(displayName: json["audioTrack", "displayName"].string, localeId: json["audioTrack", "id"].string, isDefaultAudioFormat: json["audioTrack", "audioIsDefault"].bool, isAutoDubbed: json["audioTrack", "isAutoDubbed"].bool) : nil
             )
         }
     }