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ippStsFIRMRFactorErr
FIRMR routines use a multirate FIR structure where the factor controls interpolation or decimation steps. A non-positive factor cannot select a valid phase sequence.
Validate the resampling ratio and the FIRMR initialization parameters together; the processing call inherits that contract.
Check these details for ippStsFIRMRFactorErr
- The factor used at FIRMR initialization.
- Coefficient layout for the expected number of phases.
- Whether the ratio changed without rebuilding the state object.
Intel IPP Error Reporting · Intel IPP ResamplePolyphase · Intel IPP Signal Processing
Interpreting ippStsFIRMRFactorErr
ippStsFIRMRFactorErr is Intel IPP status -29. AllStat describes it as “MR FIR sampling factor is less than, or equal to zero.”. For ippStsFIRMRFactorErr, the decisive context is the exact IPP routine and overload, because status names are shared across image, signal, codec, cryptography, and data-compression domains with different parameter contracts.
Developer checks for ippStsFIRMRFactorErr
- Record the full function name, library version and CPU dispatch, source and destination types, ROI or vector length, step values, scale factor, and every state/specification object passed to the call.
- Validate the ippstsfirmrfactorerr parameter group before changing buffers: initialization routines often establish constraints inherited by later processing calls.
- For ippStsFIRMRFactorErr, use ippGetStatusString for logging but branch on the numeric IppStatus value; localized or wrapper text is not a stable program contract.
Retrying ippStsFIRMRFactorErr with unchanged arguments normally reproduces the same validation failure. For ippStsFIRMRFactorErr, rebuild the affected IPP state when configuration changed, verify buffer bounds and alignment, and isolate the smallest call that still returns the status.
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