quantization question

"Aitor Garay" <[email protected]> Fri, 4 Apr 2003 14:48:41 +0200

Newsgroups	gmane.comp.video.h264.devel
Message-ID	<001001c2faa8$859f6220$bcb31fac@HAJC0062>

Hi!,

    As the reference software, i'm using for the quantization the following expression:

    |Z| = ( |W|*MF + f) >> qbits
    sign( Z) = sign( W)

    Is this equivalent?

    if( W >= 0) {
        Z = ( W*MF + f) >> qbits;
    } else {

            Z = ( W*MF - f) >> qbits
    }

    /AITOR