What does Intel IPP status -131 (ippStsVLCUsrTblEscAlgTypeErr) mean?

 
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ippStsVLCUsrTblUnsupportedFmtErr ippStsVLCUsrTblEscCodeLengthErr

ippStsVLCUsrTblEscAlgTypeErr

Escape coding defines how symbols outside the main VLC table are represented. If the table names an escape algorithm that the IPP primitive does not implement, the decoder cannot safely fall back for rare symbols.

Do not treat this as a payload corruption error. The table contract itself must be changed or regenerated for the supported escape mode.

Check these details

  • The escape algorithm type stored in the table header.
  • Whether the target codec actually uses escape coding for this syntax element.
  • Compatibility between table generator and table consumer.

Intel IPP Error Reporting · FFmpeg bitstream reader · FFmpeg VLC table code


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