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Allow up to three consecutive exceptions before cutting the feeds of face or eye tracking #212

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Allow up to three consecutive exceptions before cutting the feeds of face or eye tracking #212

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b1ae670
Allow up to three consecutive exceptions before cutting the feeds of …
Sebane1 Feb 8, 2026
cf58df7
Uncomment eyetracking camera stop
Sebane1 Feb 8, 2026
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2 changes: 1 addition & 1 deletion src/Baballonia/Assets/Resources.Designer.cs
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27 changes: 23 additions & 4 deletions src/Baballonia/Services/ProcessingLoopService.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,9 @@ public record struct Expressions(float[]? FaceExpression, float[]? EyeExpression
private readonly EyeProcessingPipeline _eyeProcessingPipeline;
private readonly EyePipelineManager _eyePipelineManager;
private readonly IEyePipelineEventBus _eyePipelineEventBus;
private int _faceTrackingExceptions = 0;
private int _eyeTrackingExceptions = 0;


private readonly DispatcherTimer _drawTimer = new()
{
Expand Down Expand Up @@ -63,11 +66,19 @@ private void TimerEvent(object? s, EventArgs e)
var faceExpression = _faceProcessingPipeline.RunUpdate();
if (faceExpression != null)
expressions.FaceExpression = faceExpression;
_faceTrackingExceptions = 0;
}
catch (Exception ex)
{
_logger.LogError("Unexpected exception in Face Tracking pipeline, stopping... : {}", ex);
_facePipelineManager.StopCamera();
if (_faceTrackingExceptions++ < 3)
{
_logger.LogError("Unexpected exception in Face Tracking pipeline, allowing to continue in case its anomalous... : {}", ex);
}
else
{
_logger.LogError("Unexpected exception in Face Tracking pipeline, stopping due to exceeding failure limit... : {}", ex);
_facePipelineManager.StopCamera();
}
_facePipelineEventBus.Publish(new FacePipelineEvents.ExceptionEvent(ex));
}

Expand All @@ -76,11 +87,19 @@ private void TimerEvent(object? s, EventArgs e)
var eyeExpression = _eyeProcessingPipeline.RunUpdate();
if (eyeExpression != null)
expressions.EyeExpression = eyeExpression;
_eyeTrackingExceptions = 0;
}
catch (Exception ex)
{
_logger.LogError("Unexpected exception in Eye Tracking pipeline, stopping... : {}", ex);
_eyePipelineManager.StopAllCameras();
if (_eyeTrackingExceptions++ < 3)
{
_logger.LogError("Unexpected exception in Eye Tracking pipeline, allowing to continue in case its anomalous... : {}", ex);
}
else
{
_logger.LogError("Unexpected exception in Eye Tracking pipeline, stopping due to exceeding failure limit... : {}", ex);
_eyePipelineManager.StopAllCameras();
}
_eyePipelineEventBus.Publish(new EyePipelineEvents.ExceptionEvent(ex));
}

Expand Down