feat: add webcam frame diagnostics to debug gray block issue

Co-authored-by: aider (openrouter/anthropic/claude-sonnet-4) <aider@aider.chat>
2026-09-12 10:32:18 -07:00
parent 58050d9ab1
commit 992bb21bdb
2 changed files with 17 additions and 2 deletions
@@ -317,8 +317,16 @@ public sealed class MediaCaptureFrameSource : ICameraFrameSource
                }

                // MediaCapture video carries no alpha plane — the OS fills 255.
-                FrameAvailable?.Invoke(new VideoFrame(bitmap.PixelWidth, bitmap.PixelHeight, pixels)
-                    { IsOpaque = true, Epoch = ++_epoch });
+                var frame = new VideoFrame(bitmap.PixelWidth, bitmap.PixelHeight, pixels)
+                    { IsOpaque = true, Epoch = ++_epoch };
+                
+                // Diagnostic: Log frame properties for compositor debugging
+                if ((now - _lastAlphaProbe).TotalSeconds >= 5.0)
+                {
+                    AppLog.Write($"Webcam frame emit: {frame.Width}x{frame.Height}, IsOpaque={frame.IsOpaque}, Epoch={frame.Epoch}");
+                }
+                
+                FrameAvailable?.Invoke(frame);
            }
        }
        catch (Exception ex)