FF-1252 - new flow element video already processed

VideoNodes/LogicalNodes/VideoAlreadyProcessed.cs

@@ -0,0 +1,52 @@
+namespace FileFlows.VideoNodes;
+
+/// <summary>
+/// Flow element to test if a video file has already been processed, this is done by looking for the FileFlows comment
+/// </summary>
+public class VideoAlreadyProcessed : VideoNode
+{
+    /// <summary>
+    /// Gets the number of inputs
+    /// </summary>
+    public override int Inputs => 1;
+    /// <summary>
+    /// Gets the number of outputs
+    /// </summary>
+    public override int Outputs => 2;
+    /// <summary>
+    /// Gets the type of flow element
+    /// </summary>
+    public override FlowElementType Type => FlowElementType.Logic;
+    /// <summary>
+    /// Gets the help URL 
+    /// </summary>
+    public override string HelpUrl => "https://fileflows.com/docs/plugins/video-nodes/logical-nodes/video-already-processed";
+    /// <inheritdoc />
+    public override string Icon => "fas fa-running";
+
+    /// <summary>
+    /// Executes the flow element
+    /// </summary>
+    /// <param name="args">the arguments</param>
+    /// <returns>the output to call next</returns>
+    public override int Execute(NodeParameters args)
+    {
+        var videoInfo = GetVideoInfo(args);
+        if (videoInfo == null)
+        {
+            args.FailureReason = "Failed to retrieve video info";
+            args.Logger?.ELog(args.FailureReason);
+            return -1;
+        }
+
+        bool alreadyProcessed = videoInfo.AlreadyProcessed;
+        if (alreadyProcessed)
+        {
+            args.Logger?.ILog("Video has already been processed by FileFlows");
+            return 1;
+        }
+
+        args.Logger?.ILog("Video has not been processed by FileFlows");
+        return 2;
+    }
+}

VideoNodes/VideoInfo.cs

@@ -15,6 +15,11 @@ public class VideoInfo
     /// </summary>
     public float Bitrate { get; set; }
     
+    /// <summary>
+    /// Gets or sets if this file is already processed
+    /// </summary>
+    public bool AlreadyProcessed { get; set; }
+    
     /// <summary>
     /// Gets or sets the video streams contained in the file
     /// </summary>

VideoNodes/VideoInfoHelper.cs

@@ -107,6 +107,7 @@ public class VideoInfoHelper
     public static VideoInfo ParseOutput(ILogger logger, string output)
     {
         var vi = new VideoInfo();
+        vi.AlreadyProcessed = output.Contains("Created by FileFlows");
         var rgxStreams = new Regex(@"Stream\s#[\d]+:[\d]+(.*?)(?=(Stream\s#[\d]|$))", RegexOptions.Singleline);
         var streamMatches = rgxStreams.Matches(output);
         int streamIndex = 0;

VideoNodes/i18n/en.json

@@ -799,6 +799,14 @@
           "2": "Video is not 12-Bit"
         }
       },
+      "VideoAlreadyProcessed": {
+        "Label": "Video Already Processed",
+        "Description": "Test if a video file has already been processed bv FileFlows",
+        "Outputs": {
+          "1": "Video has already been processed",
+          "2": "Video has not been processed"
+        }
+      },
       "VideoIsInterlaced": {
         "Label": "Video Is Interlaced",
         "Description": "Tests if a video file is interlaced",