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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 QCameraInfo;
class QMediaRecorderService;
class QAudioEncoderSettings;
class QVideoEncoderSettings;
class QAudioDeviceInfo;
class QMediaCaptureSession;

class Q_MULTIMEDIA_EXPORT QMediaEncoderBase : public QObject
{
    Q_OBJECT
    Q_ENUMS(State)
    Q_ENUMS(Status)
    Q_ENUMS(Error)

public:
    QMediaEncoderBase(QObject *parent) : QObject(parent) {}
    enum State
    {
        StoppedState,
        RecordingState,
        PausedState
    };

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

    enum Error
    {
        NoError,
        ResourceError,
        FormatError,
        OutOfSpaceError
    };

};

class QMediaEncoderPrivate;
class Q_MULTIMEDIA_EXPORT QMediaEncoder : public QMediaEncoderBase
{
    Q_OBJECT
    Q_PROPERTY(QMediaEncoderBase::State state READ state NOTIFY stateChanged)
    Q_PROPERTY(QMediaEncoderBase::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)

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

    bool isAvailable() const;

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

    QUrl actualLocation() const;

    QMediaEncoderBase::State state() const;
    QMediaEncoderBase::Status status() const;

    QMediaEncoderBase::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 stateChanged(QMediaEncoder::State state);
    void statusChanged(QMediaEncoder::Status status);
    void durationChanged(qint64 duration);
    void actualLocationChanged(const QUrl &location);

    void error(QMediaEncoder::Error error);

    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_stateChanged(QMediaEncoder::State))
    Q_PRIVATE_SLOT(d_func(), void _q_error(int, const QString &))
    Q_PRIVATE_SLOT(d_func(), void _q_updateActualLocation(const QUrl &))
    Q_PRIVATE_SLOT(d_func(), void _q_applySettings())
};

QT_END_NAMESPACE

Q_MEDIA_ENUM_DEBUG(QMediaEncoderBase, State)
Q_MEDIA_ENUM_DEBUG(QMediaEncoderBase, Status)
Q_MEDIA_ENUM_DEBUG(QMediaEncoderBase, Error)

#endif  // QMEDIAENCODER_H