1 files changed, 56 insertions, 0 deletions
diff --git a/MediaBrowser.Controller/Entities/MediaSourceWidthComparator.cs b/MediaBrowser.Controller/Entities/MediaSourceWidthComparator.cs
new file mode 100644
index 000000000..0224577a4
--- /dev/null
+++ b/MediaBrowser.Controller/Entities/MediaSourceWidthComparator.cs
@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+using System.Runtime.Intrinsics.X86;
+using MediaBrowser.Model.Dto;
+
+namespace MediaBrowser.Controller.Entities;
+
+/// <summary>
+/// Compare MediaSource of the same file by Video width <see cref="IComparer{T}" />.
+/// </summary>
+public class MediaSourceWidthComparator : IComparer<MediaSourceInfo>
+{
+    /// <inheritdoc />
+    public int Compare(MediaSourceInfo? x, MediaSourceInfo? y)
+    {
+        if (x is null && y is null)
+        {
+            return 0;
+        }
+
+        if (x is null)
+        {
+            return -1;
+        }
+
+        if (y is null)
+        {
+            return 1;
+        }
+
+        if (string.Equals(x.Path, y.Path, StringComparison.OrdinalIgnoreCase))
+        {
+            if (x.VideoStream is null && y.VideoStream is null)
+            {
+                return 0;
+            }
+
+            if (x.VideoStream is null)
+            {
+                return -1;
+            }
+
+            if (y.VideoStream is null)
+            {
+                return 1;
+            }
+
+            var xWidth = x.VideoStream.Width ?? 0;
+            var yWidth = y.VideoStream.Width ?? 0;
+
+            return xWidth - yWidth;
+        }
+
+        return 0;
+    }
+}