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ippStsFIRMRPhaseErr
The FIRMR phase selects the starting branch of a multirate FIR filter. It must stay within the range defined by the sampling factor.
This status often indicates stale streaming state after a seek, ratio change or block-boundary reset.
Check these details for ippStsFIRMRPhaseErr
- Phase is between zero and factor minus one.
- Phase state after partial block processing.
- That initialization and processing calls use the same factor.
Intel IPP Error Reporting · Intel IPP ResamplePolyphase · Intel IPP Signal Processing
Interpreting the result
This result is Intel IPP status -28. AllStat describes it as “MR FIR sampling phase is negative, or greater than, or equal to the sampling factor.”. 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
- 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 result parameter group before changing buffers: initialization routines often establish constraints inherited by later processing calls.
- use ippGetStatusString for logging but branch on the numeric IppStatus value; localized or wrapper text is not a stable program contract.
Retrying this result with unchanged arguments normally reproduces the same validation failure. 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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