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WINCODEC_ERR_WRONGSTATE
WINCODEC_ERR_WRONGSTATE means that a Windows Imaging Component object cannot perform the requested operation in its current lifecycle state. It usually indicates an ordering error, such as using a decoder, encoder, frame, or transform before initialization has completed or after the object has been committed or released.
What to check
- Follow the initialization sequence documented for the exact WIC interface instead of reusing a partially configured object.
- For an encoder, finish all frame setup before calling
Commit; after commit, do not modify the image. - When the same object is used from several components, verify that one component is not resetting, closing, or finalizing it while another is still using it.
Log the API that returned the HRESULT and the preceding WIC calls. The earlier call that changed the object state is usually the useful root cause.
Microsoft: WIC encoding overview
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