Date: 27 Jun 1999 13:00:53 +0200 From: Frode Vatvedt Fjeld <frodef@acm.org> To: freebsd-multimedia@freebsd.org Subject: Re: bt848 channel frequencies Message-ID: <2h7lopaowq.fsf@dslab7.cs.uit.no> In-Reply-To: lyndon@orthanc.ab.ca's message of "Sat, 26 Jun 1999 15:32:40 -0600" References: <199906262132.PAA05313@orthanc.ab.ca>
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lyndon@orthanc.ab.ca writes:
> Why not hide the implementation in the library and just pass the
> frequency (in around as an ASCII string?
The frequencies will be stored on disk using ASCII, obviously. But
sooner or later they must be converted to some integer representation,
and I think the lib should provide this as an utility function
(because it's better to implement things once well, rather than many
times not-so-well).
Perhaps the better solution is to use a composite type for
frequencies:
struct tuner_frequency {
long MHz;
long Hz;
long uHz;
};
This would allow for 0-2 PHz (Peta-Hz :) in steps of micro-Hz, and the
usual TV frequencies are easily extracted.
--
Frode Vatvedt Fjeld
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