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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
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**
**
**
******************************************************************************/
#ifndef QGSTREAMERENCODERCONTROL_H
#define QGSTREAMERENCODERCONTROL_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>
#include "qgstreamermediacapture_p.h"
#include "private/qgstreamermetadata_p.h"
#include <QtCore/qurl.h>
#include <QtCore/qdir.h>
#include <qelapsedtimer.h>
#include <qtimer.h>
QT_BEGIN_NAMESPACE
class QMediaMetaData;
class QGstreamerMessage;
class QGstreamerMediaEncoder : public QPlatformMediaRecorder, QGstreamerBusMessageFilter
{
public:
QGstreamerMediaEncoder(QMediaRecorder *parent);
virtual ~QGstreamerMediaEncoder();
bool isLocationWritable(const QUrl &sink) 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;
void setCaptureSession(QPlatformMediaCaptureSession *session);
QGstElement getEncoder() { return gstEncoder; }
private:
bool processBusMessage(const QGstreamerMessage& message) override;
private:
struct PauseControl {
PauseControl(QPlatformMediaRecorder &encoder) : encoder(encoder) {}
GstPadProbeReturn processBuffer(QGstPad pad, GstPadProbeInfo *info);
void installOn(QGstPad pad);
void reset();
QPlatformMediaRecorder &encoder;
GstClockTime pauseOffsetPts = 0;
std::optional<GstClockTime> pauseStartPts;
std::optional<GstClockTime> firstBufferPts;
qint64 duration = 0;
};
PauseControl audioPauseControl;
PauseControl videoPauseControl;
void handleSessionError(QMediaRecorder::Error code, const QString &description);
void finalize();
QGstreamerMediaCapture *m_session = nullptr;
QGstreamerMetaData m_metaData;
QTimer signalDurationChangedTimer;
QGstPipeline gstPipeline;
QGstBin gstEncoder;
QGstElement gstFileSink;
bool m_finalizing = false;
};
QT_END_NAMESPACE
#endif // QGSTREAMERENCODERCONTROL_H
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