use yt-dlp from nicolaasjan when using windows7 since upstream yt-dlp…

… nolonger supports windows7

src/engines.cpp

@@ -820,6 +820,14 @@ engines::engine::engine( Logger& logger,
 		m_downloadUrl = svtplay_dl::downloadUrl() ;
 	}
 
+	if( utility::platformIsWindows7() ){
+
+		if( m_downloadUrl == "https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest" ){
+
+			m_downloadUrl = "https://api.github.com/repos/nicolaasjan/yt-dlp/releases/latest" ;
+		}
+	}
+
 	auto defaultPath = utility::stringConstants::defaultPath() ;
 	auto backendPath = utility::stringConstants::backendPath() ;
 

src/utility.cpp

@@ -65,10 +65,20 @@ bool utility::platformIsWindows()
 	return false ;
 }
 
+bool utility::platformIsWindows7()
+{
+	return false ;
+}
+
 #endif
 
 #ifdef Q_OS_LINUX
 
+bool utility::platformIsWindows7()
+{
+	return false ;
+}
+
 bool utility::platformisOS2()
 {
 	return false ;
@@ -93,6 +103,11 @@ bool utility::platformIsWindows()
 
 #ifdef Q_OS_MACOS
 
+bool utility::platformIsWindows7()
+{
+	return false ;
+}
+
 bool utility::platformisOS2()
 {
 	return false ;
@@ -150,6 +165,13 @@ bool utility::platformisOS2()
 	return false ;
 }
 
+bool utility::platformIsWindows7()
+{
+	auto m = QOperatingSystemVersion::current() ;
+
+	return m == QOperatingSystemVersion::Windows7 ;
+}
+
 QString utility::windowsApplicationDirPath()
 {
 	std::array< char,4096 > buffer ;

src/utility.h

@@ -520,6 +520,7 @@ namespace utility
 	bool copyFile( const QString& src,const QString& dst,bool = true ) ;
 	bool pathIsFolderAndExists( const QString& ) ;
 	bool platformIsWindows() ;
+	bool platformIsWindows7() ;
 	bool platformIs32Bit() ;
 	bool platformIsLinux() ;
 	bool platformIsOSX() ;