1 files changed, 59 insertions, 0 deletions
diff --git a/src/multimedia/windows/qwindowsmediafoundation_p.h b/src/multimedia/windows/qwindowsmediafoundation_p.h
new file mode 100644
index 000000000..6dabc261e
--- /dev/null
+++ b/src/multimedia/windows/qwindowsmediafoundation_p.h
@@ -0,0 +1,59 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QWINDOWSMEDIAFOUNDATION_H
+#define QWINDOWSMEDIAFOUNDATION_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <private/qtmultimediaglobal_p.h>
+#include <QtCore/private/qsystemlibrary_p.h>
+#include <mfapi.h>
+
+QT_BEGIN_NAMESPACE
+
+class QWindowsMediaFoundation
+{
+public:
+    static QWindowsMediaFoundation *instance();
+
+    QWindowsMediaFoundation();
+    ~QWindowsMediaFoundation();
+
+    bool valid() const;
+
+    decltype(&::MFStartup) mfStartup = nullptr;
+    decltype(&::MFShutdown) mfShutdown = nullptr;
+    decltype(&::MFCreateMediaType) mfCreateMediaType = nullptr;
+    decltype(&::MFCreateMemoryBuffer) mfCreateMemoryBuffer = nullptr;
+    decltype(&::MFCreateSample) mfCreateSample = nullptr;
+
+private:
+    QSystemLibrary m_mfplat{ QStringLiteral("Mfplat.dll") };
+    bool m_valid = false;
+};
+
+class QMFRuntimeInit
+{
+    Q_DISABLE_COPY_MOVE(QMFRuntimeInit)
+public:
+    QMFRuntimeInit(QWindowsMediaFoundation *wmf);
+    ~QMFRuntimeInit();
+
+private:
+    QWindowsMediaFoundation *m_wmf;
+    HRESULT m_initResult;
+};
+
+QT_END_NAMESPACE
+
+#endif // QWINDOWSMEDIAFOUNDATION_H