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Re: [Discuss-gnuradio] gr-fosphor : New RTSA-like visualization block fo

From: Nick Foster
Subject: Re: [Discuss-gnuradio] gr-fosphor : New RTSA-like visualization block for GNURadio using GPU acceleration
Date: Tue, 29 Oct 2013 23:06:49 -0700


I've added basic sample rate awareness to gr-fosphor via constructor parameters and a set_rate() call. The GRC blocks now take a sample rate parameter as well. The sink also creates an appropriate legend (kHz, MHz, etc.) and applies it to the plot. I've tested it with WX, Qt, and GLFW versions of the sink.

Sylvain, if you'd like to pull it back, it's in a Github repo address@hidden:bistromath/gr-fosphor.git. I've also added a CMake check for the Python OpenGL bindings, as I somehow managed to not have them installed on my new machine.


On Tue, Oct 29, 2013 at 8:18 PM, Louis Brown <address@hidden> wrote:
Thanks, that worked.  It complied without GLFW but it errs at run time

ImportError: libgnuradio-fosphor-3.7.0git.so.0.0.0: cannot open shared
object file: No such file or directory

I passed the GLFW directories to cmake, and edited line 26
of glfw_sink_c_impl.cc to remove the directory name preceding the header
file, the but then it errs at complile with:

/usr/local/src/gr-fosphor/lib/glfw_sink_c_impl.cc:51:48: error:
‘glfwGetFramebufferSize’ was not declared in this scope
glfwGetFramebufferSize(this->d_window, &w, &h);

Just strange that cmake is not picking up the libraries.  My editing
probably messed something up.

> Try passing in the full path to libOpenCL.so to cmake:
> -DOPENCL_LIBRARY=/path/to/libOpenCL.so
> -josh

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