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TASK 51 slice 4: camera-path hookup — CameraManager renders per-scene effect variants (one segmentation per raw frame on a latest-frame-drop worker, raw path untouched), VM declares/adopts variants per config; separable upsampling cuts Remove 46->3 ms, Blur 80->18 ms (Debug, 720p) (Unit: bg-effects hookup)

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gramps
2026-10-09 10:27:38 -07:00
parent 55210b9a61
commit de22983b36
10 changed files with 524 additions and 78 deletions
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ViewModels/MainViewModel.cs
+9 -2
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@@ -276,8 +276,11 @@ public partial class MainViewModel : ViewModelBase
_cameraManager = new CameraManager(
_cameraEnumerator,
CameraFrameSourceFactoryOverride ?? (id => new MediaCaptureFrameSource(id)),
System.Windows.Application.Current?.Dispatcher);
System.Windows.Application.Current?.Dispatcher,
effects: new Services.BackgroundEffects.BackgroundEffectProcessor(
PersonSegmenterOverride ?? new Services.BackgroundEffects.OnnxPersonSegmenter()));
_cameraManager.PreviewBitmapChanged += OnCameraPreviewBitmapChanged;
_cameraManager.EffectPreviewBitmapChanged += OnCameraEffectPreviewBitmapChanged;
_cameraManager.CameraFailed += OnCameraFailed;
_microphoneEnumerator = new WinRtMicrophoneEnumerator();
@@ -384,6 +387,10 @@ public partial class MainViewModel : ViewModelBase
internal static ICameraEnumerator? CameraEnumeratorOverride { get; set; }
internal static Func<string, ICameraFrameSource>? CameraFrameSourceFactoryOverride { get; set; }
/// <summary>Test seam (TASK 51): a fake person segmenter so hermetic tests never load the
/// real ONNX model. Mirrors <see cref="CameraFrameSourceFactoryOverride"/>.</summary>
internal static Services.BackgroundEffects.IPersonSegmenter? PersonSegmenterOverride { get; set; }
private void LoadLayout()
{
_isLoading = true;
@@ -570,7 +577,7 @@ public partial class MainViewModel : ViewModelBase
// Looking up by the GUID returned null forever — the webcam was structurally
// invisible on the output while the preview (bitmap path) looked fine
// (caught by the resolver logging, 2026-09-01 take two).
WebcamSceneConfig webcam => _cameraManager.GetLatestFrame(DeviceKeyForWebcam(webcam.WebcamId)),
WebcamSceneConfig webcam => _cameraManager.GetLatestFrame(DeviceKeyForWebcam(webcam.WebcamId), EffectKeyFor(webcam)),
Source { IsLiveCapture: true, CaptureKey: not null } live => _screenCaptureManager.GetLatestFrame(live.CaptureKey),
Source { Type: SourceType.ChatBox } chatBox => RenderChatBox(chatBox),
Source { Type: SourceType.AlertBox } alertBox => RenderAlertBox(alertBox),