[Clam-devel] [PATCH] Re: adding spectrum magnitude to annotator discussion

[bennett kolasinski]

Attached is an update to ClamExtractorExample that incorporates your
suggestions from this email and IRC discussion as well as changes to
InstantViewPlugin.  I'm not seeing SpectrumMagnitude as one of the
attributes that can be visualized using BarGraph-- I'll look more into it in
the morning-- but as far as I can tell everything else is working fine.

B

On 7/4/07, David García Garzón <dgarcia at iua.upf.edu> wrote:
>
> On Wednesday 04 July 2007 07:40:40 bennett kolasinski wrote:
> > Hi David-
> > Adding SpectrumMagnitude to ClamExtractorExample seems to really blow
> > things up.  First off, ClamExtractorExample seems to be hanging on the
> call
> > to restoring the XML file now (with the last patch I sent):
> > CLAM::XMLStorage::Restore(toValidadDescription, poolFile);
> >
> > I'm not sure if it's actually hung or just taking a really long time to
> > write what appears to be a 40.2 MB pool for a 3mb MP3 file.  Actually,
> > looking at the file that was allocated, it looks like it hasn't been
> > touched since it was initially written-- maybe the file has been
> written?
> > do you have any reason to believe why XMLStorage::Restore() would hang
> > (maybe because it's such a large XML file)?  I just set it to run with
> the
> > 'time' command and will see if it finishes up (and how long it takes) by
> > the time I wake up in a few hours.  Interestingly the pool file that was
> > allocated on my hard drive was the same size whether I ran it with 512
> bins
> > or 10 bins.
>
> Suspicious. Take a look to the actual content of the xml.
>
> > Have you had a chance to run the patched ClamExtractorExample?  Am I
> > running it correctly by simply passing the desired audio file into it?
> >
> > ./ClamExtractorExample mp3file.mp3
> >
> > ClamExtractorExample -s produces what appears to be a valid schema...
> >
> > BTW, I believe the code changes to PoolFloatArrayDataSource that you
> > suggested are complete, but I don't want to send that patch until I get
> a
> > fresh look at it in the morning.
>
> Well, if you send it, we could help you more on giving you an
>
> > Any ideas would be appreciated!  Is SpectrumMagnitude too... 'dense' (?)
> > for Annotator?  Do we need a more efficient way of storing it than a
> > plaintext file?
>
> Yes we should have a more efficient way, but, the short goal now is not
> storing spectrums but having FloatArrays with numeric bin labels and being
> able to represent them. So a smaller array should do the work. So, keep
> your
> focus and minimize distractions from it.
>
> BTW, the TODO wiki is a nice tool set such focus. I would recommend you to
> mark your current task and subtasks in a special way. Also, writting down
> all
> those tasks you see but that go away from your current focus is a good
> practice as let you take them out of your mind. Also to marking done task
> with [[Image:done.png]] helps you to have the sensation of progress which
> can
> motivate you a lot.
>
> David.
>
>
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