qffmpegmediarecorder_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 QFFMPEGMEDIARECODER_H
#define QFFMPEGMEDIARECODER_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 <private/qplatformmediarecorder_p.h>
 
QT_BEGIN_NAMESPACE
 
class QAudioSource;
class QAudioSourceIO;
class QAudioBuffer;
class QMediaMetaData;
class QFFmpegMediaCaptureSession;
 
namespace QFFmpeg {
class RecordingEngine;
}
 
class QFFmpegMediaRecorder : public QObject, public QPlatformMediaRecorder
{
    Q_OBJECT
public:
    QFFmpegMediaRecorder(QMediaRecorder *parent);
    virtual ~QFFmpegMediaRecorder();
 
    bool isLocationWritable(const QUrl &sink) 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;
 
    void setCaptureSession(QFFmpegMediaCaptureSession *session);
 
private Q_SLOTS:
    void newDuration(qint64 d) { durationChanged(d); }
    void finalizationDone();
    void handleSessionError(QMediaRecorder::Error code, const QString &description);
 
private:
    using RecordingEngine = QFFmpeg::RecordingEngine;
    struct RecordingEngineDeleter
    {
        void operator()(RecordingEngine *) const;
    };
 
    QFFmpegMediaCaptureSession *m_session = nullptr;
    QMediaMetaData m_metaData;
 
    std::unique_ptr<RecordingEngine, RecordingEngineDeleter> m_recordingEngine;
};
 
QT_END_NAMESPACE
 
#endif // QFFMPEGMEDIARECODER_H