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ippStsAacCoefValErr
This status is tied to spectral data after Huffman/VLC decoding. The coefficient value or escape sequence does not fit the legal AAC representation expected for the selected codebook and band.
It usually indicates bitstream corruption, wrong bit alignment, or a section-codebook mismatch. The PCM output stage is not the right first place to debug because the spectral coefficients have already failed validation.
Trace these inputs
- The spectral Huffman table selected by the section codebook.
- Escape sequences for large coefficient values.
- The number of coefficients implied by the scalefactor-band layout.
Intel IPP Error Reporting · FFmpeg AAC decoder source · FFmpeg ADTS header parser
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