Intel IPP status 32 (ippStsSrcSizeLessExpected): meaning

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: An Intel IPP data-compression call received fewer source bytes than the current operation expected.

Could be also:
Constant	Type	OS
ERROR_SHARING_VIOLATION	Win32 error	Windows
KERN_EXCEPTION_PROTECTED	Kern return	Mac
EPIPE	errno	Any
KERNEL_APC_PENDING_DURING_EXIT	BugCheck Code	Windows

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ippStsSmallerCodebook	ippStsDstSizeLessExpected

ippStsSrcSizeLessExpected

Separate a chunk boundary from truncated input

The DC prefix in the IPP status text identifies data-compression primitives. This warning means the available source buffer is shorter than the amount the current decode or encode step expected. In a streaming pipeline, that can be a normal request for more input; in a supposedly complete frame or archive, it can indicate truncation.

Padding the source to silence the warning is unsafe because compressed formats assign meaning to every bit. The caller should preserve unconsumed bytes and resume according to the primitive's streaming contract.

What to record

Bytes supplied, bytes consumed, stream state, and whether the caller marked the chunk as final.
Container-declared compressed length versus the actual bytes available.
Whether a header, code table, checksum, or final block crosses the current buffer boundary.
The distinction between “need more input” and ippStsStreamEnd, which reports a completed compressed stream.

References

Intel IPP Developer Guide and Reference · Intel IPP status definitions · DEFLATE compressed data format

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