qplatformmediacapture_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 QPLATFORMMEDIACAPTURE_H

#define QPLATFORMMEDIACAPTURE_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/private/qtmultimediaglobal_p.h>

#include <QtCore/qobject.h>

QT_BEGIN_NAMESPACE

class QPlatformCamera;

class QPlatformImageCapture;

class QPlatformMediaRecorder;

class QAudioDevice;

class QCameraDevice;

class QVideoSink;

class QPlatformAudioInput;

class QPlatformAudioOutput;

class QMediaCaptureSession;

class QPlatformSurfaceCapture;

class QPlatformVideoSource;

class QPlatformAudioBufferInput;

class QPlatformVideoFrameInput;

class Q_MULTIMEDIA_EXPORT QPlatformMediaCaptureSession : public QObject

    Q_OBJECT

public:

    QPlatformMediaCaptureSession() = default;

    ~QPlatformMediaCaptureSession() override;

    void setCaptureSession(QMediaCaptureSession *session) { m_session = session; }

    QMediaCaptureSession *captureSession() const { return m_session; }

    virtual QPlatformCamera *camera() = 0;

    virtual void setCamera(QPlatformCamera *) {}

    virtual QPlatformSurfaceCapture *screenCapture() { return nullptr; }

    virtual void setScreenCapture(QPlatformSurfaceCapture *) {}

    virtual QPlatformSurfaceCapture *windowCapture() { return nullptr; }

    virtual void setWindowCapture(QPlatformSurfaceCapture *) { }

    virtual QPlatformVideoFrameInput *videoFrameInput() { return nullptr; }

    virtual void setVideoFrameInput(QPlatformVideoFrameInput *) { }

    virtual QPlatformImageCapture *imageCapture() = 0;

    virtual void setImageCapture(QPlatformImageCapture *) {}

    virtual QPlatformMediaRecorder *mediaRecorder() = 0;

    virtual void setMediaRecorder(QPlatformMediaRecorder *) {}

    virtual void setAudioInput(QPlatformAudioInput *input) = 0;

    virtual void setAudioBufferInput(QPlatformAudioBufferInput *) { }

    virtual void setVideoPreview(QVideoSink * /*sink*/) {}

    virtual void setAudioOutput(QPlatformAudioOutput *) {}

    // TBD: implement ordering of the sources basing on the order of adding

    std::vector<QPlatformVideoSource *> activeVideoSources();

Q_SIGNALS:

    void cameraChanged();

    void screenCaptureChanged();

    void windowCaptureChanged();

    void videoFrameInputChanged();

    void imageCaptureChanged();

    void encoderChanged();

private:

    QMediaCaptureSession *m_session = nullptr;

};

QT_END_NAMESPACE

#endif // QPLATFORMMEDIAINTERFACE_H