Rockbox mail archiveSubject: RE: Illegal instruction with jpeg viewer
RE: Illegal instruction with jpeg viewer
From: [IDC]Dragon <idc-dragon_at_gmx.de>
Date: Wed, 19 May 2004 05:52:29 +0200 (MEST)
> Nevermind. I think the picture was too big. I resized it to a smaller size
> and now I can view it. What is the max size of a pic for the viewer?
A side effect, you have re-encoded it without restart markers. The size
matters less than you probably think. It's limited by the available mp3
buffer which usually is ~1.6MB, depending on your max playlist and directory
settings. This is good for megapixel images.
Basically, you need space for the grayscale buffer (~30KB), the .jpg file,
and the decompressed image of your zoom level (one byte per pixel).
With my 8MB mod I can review the images of my 4 megapixel digicam in up to
1:1 zoom (~2MB filesize + 4MB image), but this is no fun, takes about a
minute to decode.
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