Cleanup extracted files (#13760)

* Cleanup extracted files

* Pagination and fixes

* Add migration for attachments to MigrateLibraryDb

* Unify attachment handling

* Don't extract again if files were already extracted

* Fix MKS attachment extraction

* Always run full extraction on mks

* Don't try to extract mjpeg streams as attachments

* Fallback to check if attachments were extracted to cache folder

* Fixup

MediaBrowser.Controller/MediaEncoding/IAttachmentExtractor.cs

@@ -9,26 +9,33 @@ using MediaBrowser.Controller.Entities;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
 
-namespace MediaBrowser.Controller.MediaEncoding
+namespace MediaBrowser.Controller.MediaEncoding;
+
+public interface IAttachmentExtractor
 {
-    public interface IAttachmentExtractor
-    {
-        Task<(MediaAttachment Attachment, Stream Stream)> GetAttachment(
-            BaseItem item,
-            string mediaSourceId,
-            int attachmentStreamIndex,
-            CancellationToken cancellationToken);
+    /// <summary>
+    /// Gets the path to the attachment file.
+    /// </summary>
+    /// <param name="item">The <see cref="BaseItem"/>.</param>
+    /// <param name="mediaSourceId">The media source id.</param>
+    /// <param name="attachmentStreamIndex">The attachment index.</param>
+    /// <param name="cancellationToken">The cancellation token.</param>
+    /// <returns>The async task.</returns>
+    Task<(MediaAttachment Attachment, Stream Stream)> GetAttachment(
+        BaseItem item,
+        string mediaSourceId,
+        int attachmentStreamIndex,
+        CancellationToken cancellationToken);
 
-        Task ExtractAllAttachments(
-            string inputFile,
-            MediaSourceInfo mediaSource,
-            string outputPath,
-            CancellationToken cancellationToken);
-
-        Task ExtractAllAttachmentsExternal(
-            string inputArgument,
-            string id,
-            string outputPath,
-            CancellationToken cancellationToken);
-    }
+    /// <summary>
+    /// Gets the path to the attachment file.
+    /// </summary>
+    /// <param name="inputFile">The input file path.</param>
+    /// <param name="mediaSource">The <see cref="MediaSourceInfo" /> source id.</param>
+    /// <param name="cancellationToken">The cancellation token.</param>
+    /// <returns>The async task.</returns>
+    Task ExtractAllAttachments(
+        string inputFile,
+        MediaSourceInfo mediaSource,
+        CancellationToken cancellationToken);
 }