nixpkgs/pkgs/development/libraries/qt-6/patches/qtmultimedia-windows-resolve-function-name.patch


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diff --git a/src/plugins/multimedia/ffmpeg/qwincapturablewindows.cpp b/src/plugins/multimedia/ffmpeg/qwincapturablewindows.cpp
index aac77ae..71ffed6 100644
--- a/src/plugins/multimedia/ffmpeg/qwincapturablewindows.cpp
+++ b/src/plugins/multimedia/ffmpeg/qwincapturablewindows.cpp
@@ -42,11 +42,7 @@ static QString windowTitle(HWND hwnd) {
     return QString::fromStdWString(buffer);
 }
 
-QList<QCapturableWindow> QWinCapturableWindows::windows() const
-{
-    QList<QCapturableWindow> result;
-
-    auto windowHandler = [](HWND hwnd, LPARAM lParam) {
+static int __stdcall windowHandler(HWND hwnd, LPARAM lParam) {
         if (!canCaptureWindow(hwnd))
             return TRUE; // Ignore window and continue enumerating
 
@@ -58,7 +54,11 @@ QList<QCapturableWindow> QWinCapturableWindows::windows() const
         windows.push_back(windowData.release()->create());
 
         return TRUE;
-    };
+}
+
+QList<QCapturableWindow> QWinCapturableWindows::windows() const
+{
+    QList<QCapturableWindow> result;
 
     ::EnumWindows(windowHandler, reinterpret_cast<LPARAM>(&result));