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From: "Joris" <joris.at.lebbeke@skynet.be>
To: "Dwight Kelly" <dkelly@apago.com>, <tiff@lists.maptools.org>
References: <Pine.LNX.4.61.0512231707550.28613@gate.apago.com>
Subject: Re: [Tiff] problem reading Photoshop CS2 JPEG-in-TIFF
Date: Sat, 24 Dec 2005 01:15:50 +0100
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Status:   

Dwight,

Dwight Kelly wrote:
> JPEGPreDecode: Warning, Improper JPEG sampling factors 2,2
> Apparently should be 1,1..
> JPEGPreDecode: Warning, Decompressor will try reading with sampling
> 2,2.. JPEGPreDecode: Improper JPEG sampling factors.

I believe the reason for this may be the auto-correction of
YCbCrSubsampling values.

Can you try undefining the macro CHECK_JPEG_YCBCR_SUBSAMPLING from your
build?


Joris Van Damme
info@awaresystems.be
http://www.awaresystems.be/
Download your free TIFF tag viewer for windows here:
http://www.awaresystems.be/imaging/tiff/astifftagviewer.html

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