1 files changed, 47 insertions, 0 deletions
diff --git a/src/multimedia/windows/qwindowsmultimediautils_p.h b/src/multimedia/windows/qwindowsmultimediautils_p.h
new file mode 100644
index 000000000..58ecd425f
--- /dev/null
+++ b/src/multimedia/windows/qwindowsmultimediautils_p.h
@@ -0,0 +1,47 @@
+// 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 QWINDOWSMULTIMEDIATUTILS_P_H
+#define QWINDOWSMULTIMEDIATUTILS_P_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 <private/qplatformmediaformatinfo_p.h>
+#include <qvideoframeformat.h>
+#include <guiddef.h>
+#include <qstring.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QWindowsMultimediaUtils {
+
+    Q_MULTIMEDIA_EXPORT QVideoFrameFormat::PixelFormat pixelFormatFromMediaSubtype(const GUID &subtype);
+
+    Q_MULTIMEDIA_EXPORT GUID videoFormatForCodec(QMediaFormat::VideoCodec codec);
+
+    Q_MULTIMEDIA_EXPORT QMediaFormat::VideoCodec codecForVideoFormat(GUID format);
+
+    Q_MULTIMEDIA_EXPORT GUID audioFormatForCodec(QMediaFormat::AudioCodec codec);
+
+    Q_MULTIMEDIA_EXPORT QMediaFormat::AudioCodec codecForAudioFormat(GUID format);
+
+    Q_MULTIMEDIA_EXPORT GUID containerForVideoFileFormat(QMediaFormat::FileFormat format);
+
+    Q_MULTIMEDIA_EXPORT GUID containerForAudioFileFormat(QMediaFormat::FileFormat format);
+
+    Q_MULTIMEDIA_EXPORT QString errorString(HRESULT hr);
+}
+
+QT_END_NAMESPACE
+
+#endif