Intel IPP status -146 (ippStsAacWinLenErr): meaning and diagnosis

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The IPP AAC window-length status means the frame uses an invalid transform length.

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ippStsAacSmplRateIdxErr	ippStsAacWinGrpErr

ippStsAacWinLenErr

AAC decoders select long or short transform windows from the Individual Channel Stream. Some syntaxes also carry a frameLengthFlag that changes the transform length.

This status indicates that the selected length is not acceptable for the current IPP AAC decoder path. It is not about the number of output bytes requested by the caller.

Check

The frameLengthFlag in AudioSpecificConfig.
Whether the stream expects 1024/128 or 960/120 transform lengths.
The window_sequence read from the ICS header.

Intel IPP Error Reporting · FFmpeg AAC decoder source · FFmpeg ADTS header parser

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