Camera preview frame sample - System.ArgumentException: 'The parameter is incorrect. Invalid subtype'
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Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 35/100
- Issue type
- Bug
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- csharp
- Domain
- operating-systems
Research direction
Start in MainPage.xaml.cs at GetPreviewFrameAsD3DSurfaceAsync and GetPreviewFrameAsSoftwareBitmapAsync, then reproduce the failure by clicking GetPreviewFrameAsync with and without Save frame checked on Windows 10 build 19042.867. Done means the camera preview frame operation completes without the Invalid subtype or parameter exception and the selected frame is handled successfully.
Written by the indexing model from the issue text.
Description
Camera preview frame sample
When running the application sample, and clicking on GetPreviewFrameAsync button it results in.
System.ArgumentException: 'The parameter is incorrect. Invalid subtype'
This exception was originally thrown at this call stack:
[External Code]
CameraGetPreviewFrame.MainPage.GetPreviewFrameAsD3DSurfaceAsync() in MainPage.xaml.cs
[External Code]
CameraGetPreviewFrame.MainPage.GetPreviewFrameButton_Click(object, Windows.UI.Xaml.RoutedEventArgs) in MainPage.xaml.cs
With Save frame option checked the following error is thrown.
This exception was originally thrown at this call stack:
[External Code]
CameraGetPreviewFrame.MainPage.GetPreviewFrameAsSoftwareBitmapAsync() in MainPage.xaml.cs
[External Code]
CameraGetPreviewFrame.MainPage.GetPreviewFrameButton_Click(object, Windows.UI.Xaml.RoutedEventArgs) in MainPage.xaml.cs
Configuration
- Language/architecture/flavor: WinRT x64 Debug)
- Windows platform and build number: Windows 10 Pro, Version 20H2, Build 19042.867
- Dominant language
- JavaScript
- Stars
- 9.7k
- Forks
- 7.8k
- PR merge metrics
- No merged PRs in 30d
Contributor guide
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