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Re: [Discuss-gnuradio] blks2.pfb_arb_resampler segfault

From: Andrew Davis
Subject: Re: [Discuss-gnuradio] blks2.pfb_arb_resampler segfault
Date: Sun, 13 May 2012 16:56:27 -0400

I have a C++ port of optfir waiting to be merged you could look at:
it's in there, its the gr_optfir*. It has a few bug-fixes from the
python code.

On Sun, May 13, 2012 at 4:15 PM, Alexandru Csete <address@hidden> wrote:
> On Sun, May 13, 2012 at 5:52 PM, Tom Rondeau <address@hidden> wrote:
>> 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?
> Hi Tom,
> Yes, using firdes to generate the taps works. So the problem must be
> in the optfir package.
> Alex
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