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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 AVFVIDEOWINDOWCONTROL_H
#define AVFVIDEOWINDOWCONTROL_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/QMutex>
#include "private/qplatformvideosink_p.h"
Q_FORWARD_DECLARE_OBJC_CLASS(CALayer);
Q_FORWARD_DECLARE_OBJC_CLASS(AVPlayerLayer);
Q_FORWARD_DECLARE_OBJC_CLASS(AVCaptureVideoPreviewLayer);
#include <CoreVideo/CVBase.h>
#include <CoreVideo/CVPixelBuffer.h>
#include <CoreVideo/CVImageBuffer.h>
#import "Metal/Metal.h"
#import "MetalKit/MetalKit.h"
QT_BEGIN_NAMESPACE
class AVFVideoSinkInterface;
class AVFVideoSink : public QPlatformVideoSink
{
Q_OBJECT
public:
AVFVideoSink(QVideoSink *parent = nullptr);
virtual ~AVFVideoSink();
// QPlatformVideoSink interface
public:
void setRhi(QRhi *rhi) override;
void setNativeSize(QSize size);
void setVideoSinkInterface(AVFVideoSinkInterface *interface);
private:
AVFVideoSinkInterface *m_interface = nullptr;
QRhi *m_rhi = nullptr;
};
class AVFVideoSinkInterface
{
public:
~AVFVideoSinkInterface();
void setVideoSink(AVFVideoSink *sink);
virtual void reconfigure() = 0;
virtual void setRhi(QRhi *);
virtual void setLayer(CALayer *layer);
virtual void setOutputSettings();
QMutex *textureCacheMutex() { return &m_textureCacheMutex; }
QRhi *rhi() const { return m_rhi; }
void updateLayerBounds();
void nativeSizeChanged() { updateLayerBounds(); }
QSize nativeSize() const { return m_sink ? m_sink->nativeSize() : QSize(); }
CVMetalTextureCacheRef cvMetalTextureCache = nullptr;
#if defined(Q_OS_MACOS)
CVOpenGLTextureCacheRef cvOpenGLTextureCache = nullptr;
#elif defined(Q_OS_IOS)
CVOpenGLESTextureCacheRef cvOpenGLESTextureCache = nullptr;
#endif
private:
void freeTextureCaches();
protected:
AVFVideoSink *m_sink = nullptr;
QRhi *m_rhi = nullptr;
CALayer *m_layer = nullptr;
NSDictionary *m_outputSettings = nullptr;
QMutex m_textureCacheMutex;
};
QT_END_NAMESPACE
#endif // AVFVIDEOWINDOWCONTROL_H
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