[theora-dev] FPGA encoder questions

Benjamin M. Schwartz bmschwar at fas.harvard.edu
Tue Mar 22 13:09:55 PDT 2011


On 03/22/2011 03:55 PM, Timothy B. Terriberry wrote:
>> How add zero-ACs coeff to AC(1..61) planes? Or i skip them in this
>> planes and add store only non-zero coeff to plabes?
> 
> I recommend looking at how libtheora does this. The encoder translates 
> things into the "tokens" which represent various combinations of 
> coefficient values, zero runs, and "End Of Block" (EOB) markers. See the 
> Theora specification for details.

Pages 21-22 of

http://www.lca2010.org.nz/slides/50119.pdf

may also be helpful.

--Ben

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