Add video flip workaround

Author: genail

Runtime/Scripts/GameRecorder.cs

@@ -26,6 +26,9 @@ public class GameRecorder : MonoBehaviour
         [Tooltip("If enabled, renders the mouse cursor position in the recorded video.")]
         public bool RenderCursor = false;
 
+        [Tooltip("If enabled, mirrors the video vertically (flips it upside down).")]
+        public bool MirrorVertically = false;
+
         // set this to a render texture to capture a specific render texture instead of the screen
         [HideInInspector]
         public RenderTexture CaptureRenderTexture;
@@ -129,7 +132,7 @@ void Start()
             }
 
             // Initialize the video encoder with the output resolution
-            _videoEncoder = new VideoEncoder(_outputWidth, _outputHeight, FrameRate, RecordingDuration, outputDirectory);
+            _videoEncoder = new VideoEncoder(_outputWidth, _outputHeight, FrameRate, RecordingDuration, outputDirectory, MirrorVertically);
 
             _captureInterval = 1.0f / FrameRate;
             _nextCaptureTime = Time.time;

Runtime/Scripts/VideoEncoder.cs

@@ -41,6 +41,9 @@ public class VideoEncoder
 
         // Unique instance identifier to prevent conflicts between multiple instances
         private readonly string instanceId;
+        
+        // Control vertical mirroring of the video
+        private readonly bool mirrorVertically;
 
         // if set to true, the encoding thread will pause adding new frames
         public bool IsPaused { get; set; }
@@ -52,11 +55,12 @@ public class VideoEncoder
         private volatile bool _stopRequest = false;
         private volatile bool _stopRequestHandled = false;
 
-        public VideoEncoder(int width, int height, int frameRate, int recordingDurationSeconds, string baseOutputDir = "Recording")
+        public VideoEncoder(int width, int height, int frameRate, int recordingDurationSeconds, string baseOutputDir = "Recording", bool mirrorVertically = false)
         {
             this.width = width;
             this.height = height;
             this.frameRate = frameRate;
+            this.mirrorVertically = mirrorVertically;
 
             // Create unique instance identifier and output directory
             this.instanceId = Guid.NewGuid().ToString("N").Substring(0, 8); // Use first 8 characters of GUID
@@ -135,6 +139,13 @@ public void StartEncoding()
                 arguments.Add("-preset");
                 arguments.Add(presetName);
             }
+            
+            // Add vertical mirroring filter if enabled
+            if (mirrorVertically)
+            {
+                arguments.Add("-vf");
+                arguments.Add("vflip");
+            }
 
             arguments.AddRange(new[]
             {