[Mp4-tech] Doubt in biari_encode_symbol_final

[sivajanakiraman zapak.com]

Dear Experts,
I am a beginner in H.264/AVC. I am working with CABAC. I have a doubt in binary encoding. In the reference software among the 3functions used for binary encoding, biari_encode_symbol uses rlps table to find the range,biari_encode_symbol_eq_prob uses probability of 0.5 & not using the rlps table, in biari_encode_symbol_final i want to know why the range for symbol'1' is taken as 2 and the range for symbol'0' is taken as Erange -2 .
Thanks in advance.
regards
siva.J 
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