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Subject: RE: Queries reagarding Cook Decoder Std

RE: Queries reagarding Cook Decoder Std

From: Mike Giacomelli <giac2000_at_hotmail.com>
Date: Wed, 19 May 2010 08:14:31 -0700

>
>> I want to get rid off all the table calculations, as most
>> of the tables are calculated as part of initialization, so calculating
>> this before hand is required as I don't have any math library function
>> (cos,sin,sinf,sqrt).
>>
>> Can you help let me know if now my question make sense?
>> Please help, I will greatly appreciate your response.
>
>
> Dump the values generated by the ffmpeg decoder to disk, then put them as constants in your program. The rockbox decoder already does this, though obviously you won't be able to use its values since they will not be floating point.
>

Ah I see what you're getting at. You're really asking what size MDCT windows are allowed in cook, since the ffmpeg MDCT needs to know that in advance while ours doesn't. I have no idea. I would just make a good guess and try files and see if it works.
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Received on 2010-05-19


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