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Re: [Discuss-gnuradio] blks2.pfb_arb_resampler segfault


From: Tom Rondeau
Subject: Re: [Discuss-gnuradio] blks2.pfb_arb_resampler segfault
Date: Sun, 13 May 2012 11:52:40 -0400

On Sun, May 13, 2012 at 11:33 AM, Alexandru Csete <address@hidden> wrote:
> I was implementing the two functions from blks2/pfb_arb_resampler.py
> in C++ and I noticed that the python code crashes for some reason. I
> was trying it using the attached GRC file.
>
> I think the C++ code itself is fine because it works with my C++
> implementation of pfb_arb_resampler_ccf and pfb_arb_resampler_fff, so
> the problem must be at the python level. One of the differences
> between my C++ implementation and the python code is that I use
> gr_firdes for generating the taps instead of optfir.
>
> Alex

Yes, must be something with optfir producing badly formed taps in this
case. Can you create your own taps in the GRC graph and pass them to
the block?

Tom



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