Add color transfer to ffprobe results

MediaBrowser.MediaEncoding/Probing/MediaStreamInfo.cs

@@ -278,5 +278,12 @@ namespace MediaBrowser.MediaEncoding.Probing
         /// <value>The disposition.</value>
         [JsonPropertyName("disposition")]
         public IReadOnlyDictionary<string, int> Disposition { get; set; }
+
+        /// <summary>
+        /// Gets or sets the color transfer.
+        /// </summary>
+        /// <value>The color transfer.</value>
+        [JsonPropertyName("color_transfer")]
+        public string ColorTransfer { get; set; }
     }
 }

MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs

@@ -695,6 +695,11 @@ namespace MediaBrowser.MediaEncoding.Probing
                 {
                     stream.RefFrames = streamInfo.Refs;
                 }
+
+                if (!string.IsNullOrEmpty(streamInfo.ColorTransfer))
+                {
+                    stream.ColorTransfer = streamInfo.ColorTransfer;
+                }
             }
             else
             {