added option to VideoCodec node to only include first video stream in output

VideoNodes/FfmpegBuilderNodes/Video/FfmpegBuilderVideoCodec.cs

@@ -15,6 +15,10 @@
         [Boolean(3)]
         public bool Force { get; set; }
 
+        [Boolean(4)]
+        [DefaultValue(true)]
+        public bool DisableOtherVideoStreams { get; set; }
+
         public override int Execute(NodeParameters args)
         {
             base.Init(args);
@@ -28,15 +32,20 @@
             parameters = CheckVideoCodec(ffmpegExe, parameters);
 
             bool encoding = false;
-            foreach (var stream in Model.VideoStreams)
+            foreach (var item in Model.VideoStreams.Select((x, index) => (stream: x, index)))
             {
+                if(DisableOtherVideoStreams && item.index > 0)
+                {
+                    item.stream.Deleted = true;
+                    continue;
+                }
                 if(Force == false)
                 {
-                    if (IsSameVideoCodec(stream.Stream.Codec, this.VideoCodec))
+                    if (IsSameVideoCodec(item.stream.Stream.Codec, this.VideoCodec))
                         continue;
                 }
-                stream.EncodingParameters.Clear();
-                stream.EncodingParameters.AddRange(SplitCommand(parameters));
+                item.stream.EncodingParameters.Clear();
+                item.stream.EncodingParameters.AddRange(SplitCommand(parameters));
                 encoding = true;
             }
             return encoding ? 1 : 2;

VideoNodes/VideoNodes.en.json

@@ -275,7 +275,9 @@
             "VideoCodecParameters": "Video Codec Parameters",
             "VideoCodecParameters-Help": "The parameters to use to encode the video, eg. \"hevc_nvenc -preset hq -crf 23\" to encode into hevc using the HQ preset a constant rate factor of 23 and using NVIDIA hardware acceleration.",
             "Force": "Force Encode",
-            "Force-Help": "Will force a encode of the video even if it is already in the target Video Codec"
+            "Force-Help": "Will force a encode of the video even if it is already in the target Video Codec",
+            "DisableOtherVideoStreams": "Only First",
+            "DisableOtherVideoStreams-Help": "When checked if there are multiple video streams in the file, this will remove all but the first video stream from the file once executed."
           }
         },
         "RemuxToMKV": {