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Old 10-01-2009, 05:14 AM   #1
bercago
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Question About eBook reader devices rendering engine

Hi Everyone,
I am a newbie to eBook device.

Recently, I started to focus on the eBook reader devices since Amazon Kindle DX launched. I found there are some eBook reader devices released and they support various file formats.

My question is, what is the kernel decode engine (used to decode various ebook file formats to a display-able format) of these devices?
I googled for a while, Adobe released Adobe Reader Mobile 9 SDK which can support ePub and PDF format and had been integrated to several devices. But how about the rest file formats? For example, fb2, chm, mobi, doc. They must have other decode/rendering engines for supporting these file formats. Does anyone know which kernel decode engine these manufacturer use? Is it free lib or a company like Adobe can provide such product (i.e. SDK) for device manufacturer ?

Thanks.
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Old 10-01-2009, 06:23 AM   #2
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AFAIK, most makers use FBReader engine for fb2, mobi and some other formats. I think there is also firmware for Jinke devices with CoolReader engine. Other formats like lit, doc, chm usually have custom readers developed by the manufacturer.
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Old 10-01-2009, 11:17 AM   #3
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The OpenInkPot project (has its own forum) uses FBReader and CoolReader, and you can download its source code. That is probably the most accessible versions of those renderers. The standard Desktop version of FBReader works more or less "as is" on the iLiad and DR1000S, because they have touch screens. OpenInkPot also has a PDF renderer, but I'm not sure what it is based on. Often these are based on xpdf or poppler. ADE includes a basic PDF renderer, and so replaces xpdf/poppler for PDF.

Barnes and Noble (Fictionwise) apparently have a SDK for the eReader format. It is propriety, but will be included on the DR800SG.

The Mobipocket Java-based SDK was the most popular DRM-ridden engine for a while. It does not seem to be used on any new EInk devices coming to market recently, with the exception of the Amazon Kindles (Amazon owns MobiPocket) and the Bookeen Opus (using an as yet unreleased firmware).
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Old 10-01-2009, 11:11 PM   #4
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Hi igorsk and wallcraft,
Thanks for your help and information!

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