From 88d1d0abf7f6fc08e5b6f0333fd342bb7dddc3a7 Mon Sep 17 00:00:00 2001
From: f4exb <f4exb06@gmail.com>
Date: Sun, 31 Oct 2021 11:16:17 +0100
Subject: [PATCH] MainWindow: if not specified on the command line look for a
 default fftw-wisdom file in the default application data location

---
 sdrgui/mainwindow.cpp | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/sdrgui/mainwindow.cpp b/sdrgui/mainwindow.cpp
index e776b6c5e..0c90df667 100644
--- a/sdrgui/mainwindow.cpp
+++ b/sdrgui/mainwindow.cpp
@@ -28,6 +28,7 @@
 #include <QKeyEvent>
 #include <QResource>
 #include <QFontDatabase>
+#include <QStandardPaths>
 
 #include "device/devicegui.h"
 #include "device/deviceapi.h"
@@ -180,7 +181,20 @@ MainWindow::MainWindow(qtwebapp::LoggerWithFile *logger, const MainParser& parse
 
     splash->showStatusMessage("allocate FFTs...", Qt::white);
     splash->showStatusMessage("allocate FFTs...", Qt::white);
-    m_dspEngine->createFFTFactory(parser.getFFTWFWisdomFileName());
+
+    if (parser.getFFTWFWisdomFileName().length() != 0)
+    {
+        m_dspEngine->createFFTFactory(parser.getFFTWFWisdomFileName());
+    }
+    else
+    {
+        QString defaultFFTWWisdomFile = QStandardPaths::locate(QStandardPaths::AppDataLocation, "fftw-wisdom");
+
+        if (defaultFFTWWisdomFile.length() != 0) {
+            m_dspEngine->createFFTFactory(defaultFFTWWisdomFile);
+        }
+    }
+
     m_dspEngine->preAllocateFFTs();
 
     splash->showStatusMessage("load settings...", Qt::white);