[Mp4-tech] CAVLC help needed

[sunil uppin]

Hello experts,
    I am  new to H.264 and i have assigned a work to do verification of
CAVLC engine.
I went through CAVLC algorithm with an aid of some white papers. Step 3 of
CAVLC algorithm i am not clear about. By ITU-T standard i can able to
understand the significance of prefix. But i can't able to understand why
suffix is needed there ?
Is there any look up tables for step-3 also ?
ITU-T standard explains abt decoding of step 3 but not abt encoding.
So please explain me step-3 of algorithm.
Thanks in advance
Sunil
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