From 77abafca8ec2eeea59008354b2d5d441d7457cd3 Mon Sep 17 00:00:00 2001
From: Shadowghost <Ghost_of_Stone@web.de>
Date: Mon, 20 May 2024 13:19:05 +0200
Subject: [PATCH] Fix BD/DVD folder chapter image extraction

---
 .../MediaEncoding/EncodingHelper.cs           | 12 +-----------
 .../MediaEncoding/IMediaEncoder.cs            | 15 +++++++++++++++
 .../Encoder/MediaEncoder.cs                   | 19 ++++++++++++++++---
 3 files changed, 32 insertions(+), 14 deletions(-)

diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
index 49c208b77..9f77772b2 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
@@ -680,16 +680,6 @@ namespace MediaBrowser.Controller.MediaEncoding
             return -1;
         }
 
-        public string GetInputPathArgument(EncodingJobInfo state)
-        {
-            return state.MediaSource.VideoType switch
-            {
-                VideoType.Dvd => _mediaEncoder.GetInputArgument(_mediaEncoder.GetPrimaryPlaylistVobFiles(state.MediaPath, null).ToList(), state.MediaSource),
-                VideoType.BluRay => _mediaEncoder.GetInputArgument(_mediaEncoder.GetPrimaryPlaylistM2tsFiles(state.MediaPath).ToList(), state.MediaSource),
-                _ => _mediaEncoder.GetInputArgument(state.MediaPath, state.MediaSource)
-            };
-        }
-
         /// <summary>
         /// Gets the audio encoder.
         /// </summary>
@@ -1203,7 +1193,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             else
             {
                 arg.Append(" -i ")
-                    .Append(GetInputPathArgument(state));
+                    .Append(_mediaEncoder.GetInputPathArgument(state));
             }
 
             // sub2video for external graphical subtitles
diff --git a/MediaBrowser.Controller/MediaEncoding/IMediaEncoder.cs b/MediaBrowser.Controller/MediaEncoding/IMediaEncoder.cs
index e696fa52c..26c353a54 100644
--- a/MediaBrowser.Controller/MediaEncoding/IMediaEncoder.cs
+++ b/MediaBrowser.Controller/MediaEncoding/IMediaEncoder.cs
@@ -245,6 +245,21 @@ namespace MediaBrowser.Controller.MediaEncoding
         /// <returns>A playlist.</returns>
         IReadOnlyList<string> GetPrimaryPlaylistM2tsFiles(string path);
 
+        /// <summary>
+        /// Gets the input path argument from <see cref="EncodingJobInfo"/>.
+        /// </summary>
+        /// <param name="state">The <see cref="EncodingJobInfo"/>.</param>
+        /// <returns>The input path argument.</returns>
+        string GetInputPathArgument(EncodingJobInfo state);
+
+        /// <summary>
+        /// Gets the input path argument.
+        /// </summary>
+        /// <param name="path">The item path.</param>
+        /// <param name="mediaSource">The <see cref="MediaSourceInfo"/>.</param>
+        /// <returns>The input path argument.</returns>
+        string GetInputPathArgument(string path, MediaSourceInfo mediaSource);
+
         /// <summary>
         /// Generates a FFmpeg concat config for the source.
         /// </summary>
diff --git a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
index 8ea0f58ea..1197fc84c 100644
--- a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
@@ -30,10 +30,8 @@ using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Globalization;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.MediaInfo;
-using Microsoft.AspNetCore.Components.Forms;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
-using static Nikse.SubtitleEdit.Core.Common.IfoParser;
 
 namespace MediaBrowser.MediaEncoding.Encoder
 {
@@ -621,7 +619,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
             ImageFormat? targetFormat,
             CancellationToken cancellationToken)
         {
-            var inputArgument = GetInputArgument(inputFile, mediaSource);
+            var inputArgument = GetInputPathArgument(inputFile, mediaSource);
 
             if (!isAudio)
             {
@@ -1147,6 +1145,21 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 .ToList();
         }
 
+        /// <inheritdoc />
+        public string GetInputPathArgument(EncodingJobInfo state)
+            => GetInputPathArgument(state.MediaPath, state.MediaSource);
+
+        /// <inheritdoc />
+        public string GetInputPathArgument(string path, MediaSourceInfo mediaSource)
+        {
+            return mediaSource.VideoType switch
+            {
+                VideoType.Dvd => GetInputArgument(GetPrimaryPlaylistVobFiles(path, null).ToList(), mediaSource),
+                VideoType.BluRay => GetInputArgument(GetPrimaryPlaylistM2tsFiles(path).ToList(), mediaSource),
+                _ => GetInputArgument(path, mediaSource)
+            };
+        }
+
         /// <inheritdoc />
         public void GenerateConcatConfig(MediaSourceInfo source, string concatFilePath)
         {