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ippStsShiftErr
Many integer IPP operations use a shift parameter to scale accumulated or transformed results. A negative shift would reverse the expected fixed-point scaling direction and is not accepted.
This is usually a parameter-generation bug. Verify the scale calculation rather than changing source pixels.
Check these details
- Shift value after deriving it from bit depth or coefficient scale.
- Whether signed and unsigned integer conversions changed the intended value.
- Accumulation precision expected by the specific function variant.
Intel IPP Error Reporting · Intel IPP Image Processing Reference
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