Various Cleanups (#1075)

* LedDevice - Address clang findings

* Fix Windows Warnings

* Ensure newInput is initialised

* Clean-up unused elements for Plaform Capture

* Fix initialization problem and spellings

* Address clang findings and spelling corrections

* LedDevice clean-ups

* Cleanups

* Align that getLedCount is int

* Have "display" as default for Grabbers

* Fix config during start-up for missing elements

* Framegrabber Clean-up - Remove non supported grabbers from selection, filter valid options

* Typo

* Framegrabber.json - Fix property numbering

* Preselect active Grabbertype

* Sort Grabbernames

* Align options with selected element

* Fix deletion of pointer to incomplete type 'BonjourBrowserWrapper'

* Address macOS compile warnings

* Have default layout = 1 LED only to avoid errors as in #673

* Address lgtm findings

* Address finding that params passed to LedDevice discovery were not considered

* Cleanups after merging with latest master

* Update Changelog

* Address lgtm findings

* Fix comment

* Test Fix

* Fix Python Warning

* Handle Dummy Device assignment correctly

* Address delete called on non-final 'commandline::Option' that has virtual functions but non-virtual destructor

* Correct that QTimer.start accepts only int

* Have Release Python GIL & reset threat state chnage downward compatible

* Correct format specifier

* LedDevice - add assertions

* Readonly DB - Fix merge issue

* Smoothing - Fix wrong defaults

* LedDevice - correct assertion

* Show smoothing config set# in debug and related values.

* Suppress error on windows, if default file is "/dev/null"

* CMAKE - Allow to define QT_BASE_DIR dynamically via environment-variable

* Ignore Visual Studio specific files

Co-authored-by: Paulchen Panther <16664240+Paulchen-Panther@users.noreply.github.com>

libsrc/leddevice/dev_other/LedDeviceFile.cpp

@@ -26,6 +26,14 @@ bool LedDeviceFile::init(const QJsonObject &deviceConfig)
 	bool initOK = LedDevice::init(deviceConfig);
 
 	_fileName = deviceConfig["output"].toString("/dev/null");
+
+#if _WIN32
+	if (_fileName == "/dev/null" )
+	{
+		_fileName = "NULL";
+	}
+#endif
+
 	_printTimeStamp = deviceConfig["printTimeStamp"].toBool(false);
 
 	initFile(_fileName);