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Re: [Discuss-gnuradio] timestamp in saved data

From: Charles Swiger
Subject: Re: [Discuss-gnuradio] timestamp in saved data
Date: Tue, 19 Sep 2006 18:04:15 -0400

On Tue, 2006-09-19 at 13:28 -0400, Charles Swiger wrote:
> On Tue, 2006-09-19 at 11:45 -0400, Charles Swiger wrote:
> > I just used Jim Cooley's file headers to put timestamps in my
> > shortwave radio data so when I play back a pirate radio broadcast
> > I can see that, hey, that was on last Saturday at 8:15PM. The
> > gui now sports a clock showing either current or playback time.
> > 
> > gr.file_hdr_sink|source seem pretty flexible, just an arbitrary
> > length of int's that can mean anything you want to define. Anyway,
> Oh well - unfortunately, it's a case of gaining on thing, metadata, but
> losing another, the ability to SEEK around in the data file!

Actually, best I can do with header timestamps is a 'fast forward' by
connecting the file src to a null_sink, that does about a minute every 3
seconds ;)    Rewind is still impossible, but de-headering to raw data
is easy.


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