1 files changed, 45 insertions, 0 deletions
diff --git a/src/multimedia/windows/qwindowsaudioutils_p.h b/src/multimedia/windows/qwindowsaudioutils_p.h
new file mode 100644
index 000000000..9382f372f
--- /dev/null
+++ b/src/multimedia/windows/qwindowsaudioutils_p.h
@@ -0,0 +1,45 @@
+// Copyright (C) 2016 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 QWINDOWSAUDIOUTILS_H
+#define QWINDOWSAUDIOUTILS_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 <qaudioformat.h>
+#include <QtCore/qt_windows.h>
+#include <private/qcomptr_p.h>
+#include <mmreg.h>
+
+#include <optional>
+
+struct IAudioClient;
+struct IMFMediaType;
+
+QT_BEGIN_NAMESPACE
+
+class QWindowsMediaFoundation;
+
+namespace QWindowsAudioUtils
+{
+    bool formatToWaveFormatExtensible(const QAudioFormat &format, WAVEFORMATEXTENSIBLE &wfx);
+    QAudioFormat waveFormatExToFormat(const WAVEFORMATEX &in);
+    Q_MULTIMEDIA_EXPORT QAudioFormat mediaTypeToFormat(IMFMediaType *mediaType);
+    ComPtr<IMFMediaType> formatToMediaType(QWindowsMediaFoundation &, const QAudioFormat &format);
+    QAudioFormat::ChannelConfig maskToChannelConfig(UINT32 mask, int count);
+    std::optional<quint32> audioClientFramesInUse(IAudioClient *client);
+    std::optional<quint32> audioClientFramesAllocated(IAudioClient *client);
+}
+
+QT_END_NAMESPACE
+
+#endif // QWINDOWSAUDIOUTILS_H