[Discuss-gnuradio] Custom GUI for OOT Block

Dear all, I am trying to write a custom GUI-block using QT. I was looking into the QT tree-module blocks in order to understand how the QApplication-instance that is created in the GRC-generated Python-file is used when setting up a generic GR qt-GUI (e.g. a standard frequency sink). Appare

[Discuss-gnuradio] Problems when using a FFT block with 5e6 points

GNU C++ version 8.2.0; Boost_106501; UHD_3.14.0.HEAD-0-g6875d061 GNUradio version: 3.7.13.4 USRP hardware: B210 Dear all, for my flowgraph I need an FFT with 5e6 or more points. My problem is that my flow graph is not executing, more precisely it seems to block when allocating the memory fo