Re: [Discuss-gnuradio] gr-fosphor : New RTSA-like visualization block for GNURadio using GPU acceleration

[Alexandru Csete]

On Sun, Oct 27, 2013 at 10:39 AM, Alexandru Csete <address@hidden> wrote:
> On Sat, Oct 26, 2013 at 10:23 PM, Sylvain Munaut <address@hidden> wrote:
>>
>> Hi,
>>
>>
>> As some of you know, beginning of this month I presented a new
>> GNURadio block I wrote that implements a RTSA like spectrum
>> visualization of the spectrum similar to those found on R&S / Agilent
>> / Tek equipement.
>>
>> ...
>>
>> It would be very helpful if you could report success / failure so we
>> can try to list what hardware is out there and which works / which
>> doesn't.
>
> Hi Sylvain,
>
> I gave it a try this morning but didn't work on my acer laptop with
> NVIDIA GeForce GT 330M
> Driver version: 319.32 on 64 bit Xubuntu 13.10
>
> It's not quite clear to me how to get opencl installed... I installed
> a package called nvidia-opencl-dev and opencl-headers but didn't see
> anything else in the package manager.
>
>
> address@hidden:~$ osmocom_fft -a rtl=0 -s 1500000 -F
> linux; GNU C++ version 4.8.1; Boost_105300; UHD_003.005.004-140-gfb32ed16
>
> gr-osmosdr v0.1.0-35-gc21b09ae (0.1.1git) gnuradio 3.7.2git-123-g0ded5889
> built-in source types: file osmosdr fcd rtl rtl_tcp uhd hackrf netsdr
> Using device #0 Realtek RTL2838UHIDIR SN: 00000013
> Detached kernel driver
> Found Rafael Micro R820T tuner
> Exact sample rate is: 1500000.014901 Hz
> Traceback (most recent call last):
>   File "/home/alc/sdr/pybombs/runtime/bin/osmocom_fft", line 512, in <module>
>     main ()
>   File "/home/alc/sdr/pybombs/runtime/bin/osmocom_fft", line 508, in main
>     app = stdgui2.stdapp(app_top_block, "osmocom Spectrum Browser", nstatus=1)
>   File 
> "/home/alc/sdr/pybombs/runtime/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py",
> line 47, in __init__
>     wx.App.__init__ (self, redirect=False)
>   File "/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py",
> line 7981, in __init__
>     self._BootstrapApp()
>   File "/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py",
> line 7555, in _BootstrapApp
>     return _core_.PyApp__BootstrapApp(*args, **kwargs)
>   File 
> "/home/alc/sdr/pybombs/runtime/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py",
> line 51, in OnInit
>     self._max_noutput_items)
>   File 
> "/home/alc/sdr/pybombs/runtime/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py",
> line 73, in __init__
>     self.panel = stdpanel (self, self, top_block_maker, max_nouts)
>   File 
> "/home/alc/sdr/pybombs/runtime/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py",
> line 96, in __init__
>     self.top_block = top_block_maker (frame, self, vbox, sys.argv)
>   File "/home/alc/sdr/pybombs/runtime/bin/osmocom_fft", line 178, in __init__
>     from gnuradio import fosphor
>   File 
> "/home/alc/sdr/pybombs/runtime/lib/python2.7/dist-packages/gnuradio/fosphor/__init__.py",
> line 45, in <module>
>     from fosphor_swig import *
>   File 
> "/home/alc/sdr/pybombs/runtime/lib/python2.7/dist-packages/gnuradio/fosphor/fosphor_swig.py",
> line 26, in <module>
>     _fosphor_swig = swig_import_helper()
>   File 
> "/home/alc/sdr/pybombs/runtime/lib/python2.7/dist-packages/gnuradio/fosphor/fosphor_swig.py",
> line 22, in swig_import_helper
>     _mod = imp.load_module('_fosphor_swig', fp, pathname, description)
> ImportError: 
> /home/alc/sdr/pybombs/runtime/lib/libgnuradio-fosphor-3.7.0git.so.0.0.0:
> undefined symbol: clCreateFromGLTexture
> address@hidden:~$
>

By the way, osmocom_fft with the standard wxgl sink works - I can even
use the "persistence" mode.