linux-kernel - Re: JPEG hw decoder

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Message-ID: <1280307972.28571.12.camel@hornet.cambridge.arm.com>
Date:	Wed, 28 Jul 2010 10:06:12 +0100
From:	Pawel Moll <mail@...elmoll.com>
To:	rd bairva <rbairva@...il.com>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: JPEG hw decoder

Hi,

>       My board has a hardware JPEG decoder. I want to write a driver
> for this in Linux kernel, But it seems there that no Framework exists
> in kernel. Can somebody provide me some pointers?

If I was to do the same, I'd look around V4L2 API. If covers things like
video encoders/decoders etc. The only problem is that the particular
area you are interested in is not well defined yet:

http://linuxtv.org/downloads/v4l-dvb-apis/ch04s05.html

This means that people usually extend the API in their own way, staying
within the framework itself, obviously.

Maybe you could ask about this on the linux-media mailing list?

http://vger.kernel.org/vger-lists.html#linux-media

Good luck!

Paweł

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