avfmediaencoder_p.h

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// Copyright (C) 2016 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 AVFMEDIAENCODER_H

#define AVFMEDIAENCODER_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/qaudiodevice.h>

#include <QtMultimedia/qmediametadata.h>

#include <QtMultimedia/private/qavfcamerautility_p.h>

#include <QtMultimedia/private/qplatformmediacapture_p.h>

#include <QtMultimedia/private/qplatformmediarecorder_p.h>

#include <QtCore/qglobal.h>

#include <QtCore/qurl.h>

#include <camera/avfmediaassetwriter_p.h>

#import <AVFoundation/AVFoundation.h>

QT_BEGIN_NAMESPACE

class AVFCameraService;

class QString;

class QUrl;

class AVFMediaEncoder : public QObject, public QPlatformMediaRecorder

    Q_OBJECT

public:

    AVFMediaEncoder(QMediaRecorder *parent);

    ~AVFMediaEncoder() override;

    bool isLocationWritable(const QUrl &location) const override;

    QMediaRecorder::RecorderState state() const override;

    qint64 duration() const override;

    void record(QMediaEncoderSettings &settings) override;

    void pause() override;

    void resume() override;

    void stop() override;

    void setMetaData(const QMediaMetaData &) override;

    QMediaMetaData metaData() const override;

    AVFCameraService *cameraService() const { return m_service; }

    void setCaptureSession(QPlatformMediaCaptureSession *session);

    void updateDuration(qint64 duration);

    void toggleRecord(bool enable);

private:

    void applySettings(QMediaEncoderSettings &settings);

    void unapplySettings();

    Q_INVOKABLE void assetWriterStarted();

    Q_INVOKABLE void assetWriterFinished();

    Q_INVOKABLE void assetWriterError(QString error);

private Q_SLOTS:

    void onCameraChanged();

    void cameraActiveChanged(bool);

private:

    void stopWriter();

    AVFCameraService *m_service = nullptr;

    AVFScopedPointer<QT_MANGLE_NAMESPACE(AVFMediaAssetWriter)> m_writer;

    QMediaRecorder::RecorderState m_state;

    QMediaMetaData m_metaData;

    qint64 m_duration;

    NSDictionary *m_audioSettings;

    NSDictionary *m_videoSettings;

};

QT_END_NAMESPACE

#endif // AVFMEDIAENCODER_H