[Mp4-tech] [video]PAFF & MBAFF

[sivajanakiraman zapak.com]

Dear Experts,
I am working with CABAC. I have the following doubts:
1.What is the difference between MBinterlace & Picture interlace?
2.What do the variables img->MbaffFrameFlag & currMB->mb_field indicate?
3.How the QCIF of 176x144 is converted into 176x160 in case of field coding? 
Thanks in advance
--
Regards
Siva.J
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