qt-everywhere-src-5.15.1/qtmultimedia/src/plugins/gstreamer/mediacapture/qgstreamerrecordercontrol.h

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#ifndef QGSTREAMERRECORDERCONTROL_H
#define QGSTREAMERRECORDERCONTROL_H

#include <QtCore/QDir>

#include <qmediarecordercontrol.h>
#include "qgstreamercapturesession.h"

QT_BEGIN_NAMESPACE

class QGstreamerRecorderControl : public QMediaRecorderControl
{
    Q_OBJECT

public:
    QGstreamerRecorderControl(QGstreamerCaptureSession *session);
    virtual ~QGstreamerRecorderControl();

    QUrl outputLocation() const override;
    bool setOutputLocation(const QUrl &sink) override;

    QMediaRecorder::State state() const override;
    QMediaRecorder::Status status() const override;

    qint64 duration() const override;

    bool isMuted() const override;
    qreal volume() const override;

    void applySettings() override;

public slots:
    void setState(QMediaRecorder::State state) override;
    void record();
    void pause();
    void stop();
    void setMuted(bool) override;
    void setVolume(qreal volume) override;

private slots:
    void updateStatus();
    void handleSessionError(int code, const QString &description);

private:
    QDir defaultDir() const;
    QString generateFileName(const QDir &dir, const QString &ext) const;

    QUrl m_outputLocation;
    QGstreamerCaptureSession *m_session;
    QMediaRecorder::State m_state;
    QMediaRecorder::Status m_status;
    bool m_hasPreviewState;
};

QT_END_NAMESPACE

#endif // QGSTREAMERCAPTURECORNTROL_H