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ippStsMP4DCCodeErr
Intra macroblocks carry DC coefficient information separately from many AC events. This status is specific to that DC decoding path and indicates that the prefix, size or following bits are not valid for the current block.
Check this before blaming inverse DCT or color conversion. The failure occurs while reading the compressed coefficient syntax.
Check these details
- Intra versus inter macroblock mode.
- The DC size/prefix bits and the active VLC table.
- Whether the previous block prediction state is still synchronized.
Intel IPP Error Reporting · MPEG-4 Visual format summary · FFmpeg MPEG-4 Visual decoder
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