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ippStsMP4BitOffsetErr
This status points to the bit-reader state rather than to a decoded picture by itself. MPEG-4 Visual syntax is read as a sequence of start codes, headers, macroblock fields and variable-length codes; an offset that is not at the expected bit boundary makes the remaining fields unreliable.
Look for an earlier parser decision that consumed too many or too few bits. Resync markers, packet boundaries, custom packetization and truncated elementary streams are common causes.
Check these details
- The byte and bit position at entry to the IPP primitive.
- Whether a start code or resync marker was already consumed by the caller.
- The coded VOP type and packetization mode used by the stream.
Intel IPP Error Reporting · MPEG-4 Visual format summary · FFmpeg MPEG-4 Visual decoder
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