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ippStsH263CBPYCodeErr
CBPY is the coded block pattern for luminance blocks. H.263 encodes it with VLC tables, so a damaged or misaligned bitstream can produce a code that has no legal CBPY meaning.
The error is local to macroblock syntax. The most useful evidence is the macroblock address, the current picture type and the bits immediately before the CBPY read.
Check these details
- The CBPY VLC table selected for the current macroblock type.
- Whether an earlier MCBPC or motion-vector code already failed.
- Packet loss or bad resynchronization in low-bitrate streams.
Intel IPP Error Reporting · ITU-T H.263 recommendation · FFmpeg H.263 decoder
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