qmediaenginetimedtextnotify_p.h

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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 QMEDIAENGINETIMEDTEXTNOTIFY_P_H

#define QMEDIAENGINETIMEDTEXTNOTIFY_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 <qwindowsmfdefs_p.h>

#include <QtCore/qobject.h>

#include <QtCore/private/qcomobject_p.h>

QT_BEGIN_NAMESPACE

class QMediaEngineTimedTextNotify : public QObject, public QComObject<IMFTimedTextNotify>

    Q_OBJECT

public:

    // IMFTimedTextNotify

    void STDMETHODCALLTYPE TrackAdded(DWORD trackId) override;

    void STDMETHODCALLTYPE TrackRemoved(DWORD trackId) override;

    void STDMETHODCALLTYPE TrackSelected(DWORD trackId, BOOL selected) override;

    void STDMETHODCALLTYPE TrackReadyStateChanged(DWORD trackId) override;

    void STDMETHODCALLTYPE Error(MF_TIMED_TEXT_ERROR_CODE errorCode, HRESULT extendedErrorCode,

                                 DWORD sourceTrackId) override;

    void STDMETHODCALLTYPE Cue(MF_TIMED_TEXT_CUE_EVENT cueEvent, double currentTime,

                               IMFTimedTextCue *cue) override;

    void STDMETHODCALLTYPE Reset() override;

Q_SIGNALS:

    void trackAdded(DWORD trackId);

    void subtitleTextChanged(const QString &text);

};

QT_END_NAMESPACE

#endif // QMEDIAENGINETIMEDTEXTNOTIFY_P_H