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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 AVFVIDEORENDERERCONTROL_H
#define AVFVIDEORENDERERCONTROL_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 <QtCore/QObject>
#include <QtCore/QMutex>
#include <QtCore/QSize>
#include <private/avfvideosink_p.h>
#include <CoreVideo/CVBase.h>
#include <CoreVideo/CVPixelBuffer.h>
Q_FORWARD_DECLARE_OBJC_CLASS(CALayer);
Q_FORWARD_DECLARE_OBJC_CLASS(AVPlayerItemVideoOutput);
Q_FORWARD_DECLARE_OBJC_CLASS(AVPlayerItemLegibleOutput);
Q_FORWARD_DECLARE_OBJC_CLASS(SubtitleDelegate);
QT_BEGIN_NAMESPACE
class AVFDisplayLink;
class AVFVideoRendererControl : public QObject, public AVFVideoSinkInterface
{
Q_OBJECT
public:
explicit AVFVideoRendererControl(QObject *parent = nullptr);
virtual ~AVFVideoRendererControl();
// AVFVideoSinkInterface
void reconfigure() override;
void setLayer(CALayer *layer) override;
void setVideoRotation(QVideoFrame::RotationAngle);
void setVideoMirrored(bool mirrored);
void setSubtitleText(const QString &subtitle)
{
m_sink->setSubtitleText(subtitle);
}
private Q_SLOTS:
void updateVideoFrame(const CVTimeStamp &ts);
private:
AVPlayerLayer *playerLayer() const { return static_cast<AVPlayerLayer *>(m_layer); }
CVPixelBufferRef copyPixelBufferFromLayer(size_t& width, size_t& height);
QMutex m_mutex;
AVFDisplayLink *m_displayLink = nullptr;
AVPlayerItemVideoOutput *m_videoOutput = nullptr;
AVPlayerItemLegibleOutput *m_subtitleOutput = nullptr;
SubtitleDelegate *m_subtitleDelegate = nullptr;
QVideoFrame::RotationAngle m_rotation = QVideoFrame::Rotation0;
bool m_mirrored = false;
};
QT_END_NAMESPACE
#endif // AVFVIDEORENDERERCONTROL_H
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