Re: transfrom dynamic range

"Aitor Garay" <[email protected]> Wed, 2 Apr 2003 12:40:49 +0200
Newsgroups gmane.comp.video.h264.devel
Message-ID <006e01c2f904$540081e0$bcb31fac@HAJC0062>
    I was just courious about this.  By the way, the transform and quantize
code of OH264 must be modified, both input and output values are 8 bit.

    /AITOR

----- Original Message ----- 
From: "Indrajit Chakrabarty" <[email protected]>
To: "Aitor Garay" <[email protected]>
Cc: <[email protected]>
Sent: Wednesday, April 02, 2003 12:30 PM
Subject: Re: [Hdot264-devel] transfrom dynamic range


> To quote from the latest draft of the standard, 
> 
> "The bitstream shall not contain data that results in
> a value of wij that exceeds the range of integer
> values from -2^15 to 2^15-1, inclusive."
> (See the line below equation 8-267 in 8.5.8 )
> 
> 
> --- Aitor Garay <[email protected]> wrote:
> > Hi there!,
> > 
> >     Which is the real dynamic range of the values
> > output by the forward transform?  Full 16 bit,
> > or even in a worst case less than that?
> > 
> >     /AITOR
> > 
> > 
> 
> 
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