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#ifndef QMEDIAENCODER_H
#define QMEDIAENCODER_H

#include <QtCore/qobject.h>
#include <QtMultimedia/qtmultimediaglobal.h>
#include <QtMultimedia/qmediaencodersettings.h>
#include <QtMultimedia/qmediaenumdebug.h>
#include <QtMultimedia/qmediametadata.h>

#include <QtCore/qpair.h>

QT_BEGIN_NAMESPACE

class QUrl;
class QSize;
class QAudioFormat;
class QCamera;
class QCameraDevice;
class QAudioDevice;
class QMediaCaptureSession;

class QMediaEncoderPrivate;
class Q_MULTIMEDIA_EXPORT QMediaEncoder : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QMediaEncoder::RecorderState recorderState READ recorderState NOTIFY recorderStateChanged)
    Q_PROPERTY(QMediaEncoder::Status status READ status NOTIFY statusChanged)
    Q_PROPERTY(qint64 duration READ duration NOTIFY durationChanged)
    Q_PROPERTY(QUrl outputLocation READ outputLocation WRITE setOutputLocation)
    Q_PROPERTY(QUrl actualLocation READ actualLocation NOTIFY actualLocationChanged)
    Q_PROPERTY(QMediaMetaData metaData READ metaData WRITE setMetaData NOTIFY metaDataChanged)
    Q_PROPERTY(QMediaEncoder::Error error READ error NOTIFY errorChanged)
    Q_PROPERTY(QString errorString READ errorString NOTIFY errorChanged)
    Q_PROPERTY(QMediaEncoderSettings encoderSettings READ encoderSettings WRITE setEncoderSettings NOTIFY encoderSettingsChanged)

public:
    enum RecorderState
    {
        StoppedState,
        RecordingState,
        PausedState
    };
    Q_ENUM(RecorderState)

    enum Status {
        UnavailableStatus,
        StoppedStatus,
        StartingStatus,
        RecordingStatus,
        PausedStatus,
        FinalizingStatus
    };
    Q_ENUM(Status)

    enum Error
    {
        NoError,
        ResourceError,
        FormatError,
        OutOfSpaceError
    };
    Q_ENUM(Error)

    QMediaEncoder(QObject *parent = nullptr);
    ~QMediaEncoder();

    bool isAvailable() const;

    QUrl outputLocation() const;
    bool setOutputLocation(const QUrl &location);

    QUrl actualLocation() const;

    RecorderState recorderState() const;
    Status status() const;

    Error error() const;
    QString errorString() const;

    qint64 duration() const;

    void setEncoderSettings(const QMediaEncoderSettings &);
    QMediaEncoderSettings encoderSettings() const;

    QMediaMetaData metaData() const;
    void setMetaData(const QMediaMetaData &metaData);
    void addMetaData(const QMediaMetaData &metaData);

    QMediaCaptureSession *captureSession() const;

public Q_SLOTS:
    void record();
    void pause();
    void stop();

Q_SIGNALS:
    void recorderStateChanged(RecorderState state);
    void statusChanged(Status status);
    void durationChanged(qint64 duration);
    void actualLocationChanged(const QUrl &location);
    void encoderSettingsChanged();

    void errorOccurred(Error error, const QString &errorString);
    void errorChanged();

    void metaDataChanged();

private:
    QMediaEncoderPrivate *d_ptr;
    friend class QMediaCaptureSession;
    void setCaptureSession(QMediaCaptureSession *session);
    Q_DISABLE_COPY(QMediaEncoder)
    Q_DECLARE_PRIVATE(QMediaEncoder)
    Q_PRIVATE_SLOT(d_func(), void _q_applySettings())
};

QT_END_NAMESPACE

Q_MEDIA_ENUM_DEBUG(QMediaEncoder, RecorderState)
Q_MEDIA_ENUM_DEBUG(QMediaEncoder, Status)
Q_MEDIA_ENUM_DEBUG(QMediaEncoder, Error)

#endif  // QMEDIAENCODER_H