[M4IF Technotes] transparent_mb()

[Gary Sullivan]

A "transparent" mb is an MB outside the boundary of the established
shape.
There are no transparent MBs in Simple profile.
Best Regards,
Gary Sullivan
+> -----Original Message-----
+> From: technotes-admin   lists.m4if.org 
+> [mailto:technotes-admin   lists.m4if.org] On Behalf Of Jim Bowen
+> Sent: Wednesday, June 18, 2023 8:06 AM
+> To: technotes   lists.m4if.org
+> Subject: [M4IF Technotes] transparent_mb()
+> 
+> 
+> 
+> Hi all,
+> 
+> In the visual standard, what does it mean when it says a 
+> transparent_mb()??
+> 
+> Is this a macroblock with the coded block pattern for both 
+> luminance and 
+> chrominance all zeros?? or is it refering to a macroblock 
+> that is not part 
+> of a shape that cannot be seen (and then how would a simple 
+> profile decoder 
+> deal with it)??
+> 
+> Thanks,
+> 
+> Jim
+> 
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