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++ // Copyright (C) 2026 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 QFFMPEGCERTIFICATEUTILS_P_H
++ #define QFFMPEGCERTIFICATEUTILS_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 <QtCore/qbytearray.h>
++ #include <QtCore/qbytearrayview.h>
++ #include <QtCore/qlist.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace QFFmpeg {
++
++ // Converts a single DER-encoded X.509 certificate into a PEM-encoded certificate block.
++ QByteArray derToPem(QByteArrayView der);
++
++ // Concatenates DER-encoded X.509 certificates into a single multi-certificate PEM bundle,
++ // suitable for use as a CA file (e.g. OpenSSL's SSL_CTX_load_verify_locations).
++ QByteArray certificatesToPemBundle(const QList<QByteArray> &derCertificates);
++
++ } // namespace QFFmpeg
++
++ QT_END_NAMESPACE
++
++ #endif // QFFMPEGCERTIFICATEUTILS_P_H