[M4IF Technotes] Interlaced Direct mode for BVOPs

[Patrick Ng]

Dear MPEG-4 colleagues,
The interlaced direct mode motion vector decoding of BVOPs as implemented in
the Microsoft reference software (CVideoObjectDecoder::decodeMVofBVOP() in
file mvdec.cpp) seems to deviate from what is described in the ISO/IEC
14496-2 spec. (section 7.7.2.2, p.235-236).
Am I missing something?  I wonder if these two methods decode to the same
motion vector?
The version of the refernce software I am looking at is July 3rd 2000
Version 2 FDAM1-2.3-001213 Version 2.3.0
Thanks
Patrick Ng
ATI
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