qplatformvideosource_p.h

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// 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 QPLATFORMVIDEOSOURCE_P_H

#define QPLATFORMVIDEOSOURCE_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 <QtMultimedia/qvideoframeformat.h>

#include <QtCore/private/qglobal_p.h>

#include <QtCore/qnativeinterface.h>

#include <QtCore/qobject.h>

#include <optional>

QT_BEGIN_NAMESPACE

class QVideoFrame;

class QPlatformMediaCaptureSession;

class Q_MULTIMEDIA_EXPORT QPlatformVideoSource : public QObject

    Q_OBJECT

public:

    using QObject::QObject;

    virtual void setActive(bool active) = 0;

    virtual bool isActive() const = 0;

    virtual QVideoFrameFormat frameFormat() const = 0;

    virtual std::optional<int> ffmpegHWPixelFormat() const;

    virtual void setCaptureSession(QPlatformMediaCaptureSession *) { }

    virtual QString errorString() const = 0;

    bool hasError() const { return !errorString().isEmpty(); }

Q_SIGNALS:

    void newVideoFrame(const QVideoFrame &);

    void activeChanged(bool);

    void errorChanged();

};

QT_END_NAMESPACE

#endif // QPLATFORMVIDEOSOURCE_P_H