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List:       xvid-devel
Subject:    Re: [XviD-devel] the difference between xvid1.01's fdct and the
From:       Edouard Gomez <ed.gomez () free ! fr>
Date:       2004-08-06 7:11:59
Message-ID: 1091776319.41132f3f9ec95 () imp5-q ! free ! fr
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Selon ؛خدبةْ <light_purple@163.com>:
> I found that the result of optimized fdct algorithm is  different to the
> origin fdct algorithm. Does xvid adopt a  modified fdct algorithm ?

Yes the optmized versions of the fDCT are different from the C version.

The only requirement is that all iDCT implementations do match, fDCT
isn't that critical as the differences are reinjected in the coding
loop.

--
Edouard Gomez

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