[Clam-devel] SDIFIn question.

[Pau Arumi]

Hi Giulio,

sorry for letting this question unanswered. From my part I don't
have experience with the use of SDIF in Clam. Maybe Xavier have
an answer to this?

However, since one of Google of Code projects I'm mentoring deal
with sms synthesizers, it's likely we're gonna dive into it in
the next few months and probably clarify and improve the SDIF
support.

Best,
Pau


En/na Giulio Paci ha escrit:
> Hi to all,
>     some day ago I had modified some code that loads some SDIF files
> using the SDIFIn reader.
>     Our program was using the same reader, with the same (default)
> options to load all the SDIF files. I decided to change this behavior
> and to use a new SDIFIn reader for each SDIF file.
> 
>     I was surprised that the output of my program (wav file, synthesized
> from loaded segments) changed. So I investigated the SDIFIn reader
> and I found that LoadSDIFDataIntoSegment() (called from Do()) changes
> mLastCenterTime and mPrevIndexArray.
> 
> Stop() doesn't clean these fields. I was wondering if this is the desired
> behavior, 'cause I don't know what this implies (And why we may want
> to load segment in different ways, depending on what we have already
> read).
> 
> I attached a patch that make Stop() cleaning these two fields too. If the
> actual behavior is not the intended one.
> 
> Any way I would be very happy to know how SDIF reading should work
> and why.
> 
> Cheers,
>     Giulio.
> 
> 
> ------------------------------------------------------------------------
> 
> Index: src/Processing/SDIFIO/SDIFIn.cxx
> ===================================================================
> --- src/Processing/SDIFIO/SDIFIn.cxx	(revisione 10063)
> +++ src/Processing/SDIFIO/SDIFIn.cxx	(copia locale)
> @@ -108,6 +108,8 @@
>  bool SDIFIn::ConcreteStop()
>  {
>  	mpFile->Close();
> +	mLastCenterTime=-1;
> +	mPrevIndexArray.Resize(0);
>  
>  	return true;
>  }
> 
> 
> ------------------------------------------------------------------------
> 
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