Add Video_Length field to Get-VideoInfo.ini mapping to frames_count for reading actual encoded frame count directly from ffprobe instead of JSON metadata, with duration calculation using real fps

Get-VideoInfo.ini

@@ -2,6 +2,7 @@ Text_Prompt=prompt
 Model=type
 Resolution=resolution
 Number_of_frames=video_length
+Video_Length=frames_count
 Seed=seed
 Frames_Positions=frames_positions
 Guidance=guidance_scale

Get-VideoInfo.ps1

@@ -9,7 +9,9 @@
     When present, outputs the parsed comment metadata as JSON.
 .DESCRIPTION
     This script uses ffprobe to extract video format metadata, parses the comment tag as JSON,
-    and outputs the structured information with proper error handling.
+    and outputs the structured information with proper error handling. Fields configured as
+    'frames_count' in the INI file are read directly from ffprobe (actual encoded frame count)
+    rather than from the JSON metadata.
 #>
 param(
     [Parameter(Mandatory = $true)]
@@ -148,6 +150,20 @@ try {
 
         $displayNameFormatted = $displayName -replace '_', ' '
 
+        if ($jsonFieldName -eq 'frames_count') {
+            # frames_count is read directly from ffprobe (actual encoded frame count)
+            # rather than from the JSON comment metadata.
+            $fps = if ($actualFps) { $actualFps } else { 24.0 }
+            $ffFrames = & ffprobe -v error -select_streams v:0 -count_frames -show_entries stream=nb_read_frames -of csv=p=0 -- "$VideoPath" 2>&1 | Select-Object -First 1
+            if ($ffFrames -and $ffFrames -match '^\d+$') {
+                $frames = [int]$ffFrames
+                $durationSeconds = [Math]::Round($frames / $fps, 1)
+                $valueDisplay = ('{0} frames ({1}s, {2} fps)' -f $frames, $durationSeconds, $fps)
+            } else {
+                $valueDisplay = 'Not found'
+            }
+        }
+        else {
             $fieldExists = $parsedComment.PSObject.Properties.Name -contains $jsonFieldName
             
             if (-not $fieldExists) {
@@ -208,6 +224,7 @@ try {
                     }
                 }
             }
+        }
 
         Write-Output ('{0}: {1}' -f $displayNameFormatted, $valueDisplay)
     }