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Date:      Mon, 28 Jun 1999 14:33:36 +0100
From:      Roger Hardiman <roger@cs.strath.ac.uk>
To:        Randall Hopper <aa8vb@ipass.net>
Cc:        lyndon@orthanc.ab.ca, Frode Vatvedt Fjeld <frodef@acm.org>, multimedia@FreeBSD.ORG
Subject:   Re: bt848 channel frequencies
Message-ID:  <377779B0.B52E7D4A@cs.strath.ac.uk>
References:  <19990627074316.A1600@ipass.net> <199906272257.QAA07116@orthanc.ab.ca> <19990627194019.A1726@ipass.net>

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> lyndon@orthanc.ab.ca:
>  |
>  |>  |The wrapper library. Use it to hide the OS specific details.
>  |>
>  |> What is "the wrapper library"?  Is this another library separate from
>  |> libtv.
>  |
>  |No, this would be a function in libtv. One of the objectives of the wrapper
>  |library should be to hide the OS-specific interfaces from the application.

When I first suggested to Frode to write a tuner library,
it was for hiding tuner frequency to channel mappings,
not to hide any OS dependancies.

If we want to abstract away the OS dependant parts (the ioctls),
and write a new API, I suggest we follow the Video4Linux Version 2
API (V4L2). Bill, who devised it, gave it alot of thought and was
happy with a *BSD implementation.

Bye
Roger
--
Roger Hardiman
Strathclyde Uni Telepresence Research Group, Glasgow, Scotland.
http://telepresence.dmem.strath.ac.uk      0141 548 2897
roger@cs.strath.ac.uk


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