[Mp4-tech] Non zero Coefficients in deblocking filter

[Srikar Dasari]

Experts,
I have a question in the boundary calculation in deblocking filter. I kinda of asked this question earlier. I need some more clarification. 
In the filtering process the boundary strength is set based on one of the conditions being, the luma block p0 or luma block q0 contains non-zero transform coefficient levels.
My question is, 
Isn't this non-zero transform coefficient level condition, come from both CBP value and also from the TC (total coefficients) during the CAVLC decoding?
In other words, Do we have to consider the CBP pattern alone or Do we have to take into account TC being zero, in addition to CBP. 
Please let me know, if I am not clear anywhere. Your answers are greatly appreciated.
Thanks,
Srikar
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