1 files changed, 40 insertions, 0 deletions
diff --git a/src/plugins/multimedia/ffmpeg/qffmpegioutils_p.h b/src/plugins/multimedia/ffmpeg/qffmpegioutils_p.h
new file mode 100644
index 000000000..7f00990f6
--- /dev/null
+++ b/src/plugins/multimedia/ffmpeg/qffmpegioutils_p.h
@@ -0,0 +1,40 @@
+// Copyright (C) 2024 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 QFFMPEGIOUTILS_P_H
+#define QFFMPEGIOUTILS_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 "qtmultimediaglobal.h"
+#include "qffmpegdefs_p.h"
+
+#include <type_traits>
+
+QT_BEGIN_NAMESPACE
+
+namespace QFFmpeg {
+
+int readQIODevice(void *opaque, uint8_t *buf, int buf_size);
+
+using AvioWriteBufferType =
+        std::conditional_t<QT_FFMPEG_AVIO_WRITE_CONST, const uint8_t *, uint8_t *>;
+
+int writeQIODevice(void *opaque, AvioWriteBufferType buf, int buf_size);
+
+int64_t seekQIODevice(void *opaque, int64_t offset, int whence);
+
+} // namespace QFFmpeg
+
+QT_END_NAMESPACE
+
+#endif // QFFMPEGIOUTILS_P_H