avfvideobuffer_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 AVFVIDEOBUFFER_H
#define AVFVIDEOBUFFER_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/private/qhwvideobuffer_p.h>
#include <QtCore/qmutex.h>
#include <QtCore/qobject.h>
#include <QtCore/private/qcore_mac_p.h>
 
#include <avfvideosink_p.h>
 
#include <CoreVideo/CVImageBuffer.h>
 
#import <Metal/Metal.h>
 
QT_BEGIN_NAMESPACE
 
struct AVFMetalTexture;
class AVFVideoBuffer : public QHwVideoBuffer
{
public:
    AVFVideoBuffer(AVFVideoSinkInterface *sink, QCFType<CVImageBufferRef> buffer);
    ~AVFVideoBuffer() override;
 
    MapData map(QVideoFrame::MapMode mode) override;
    void unmap() override;
 
    quint64 textureHandle(QRhi &, int plane) override;
 
    QVideoFrameFormat videoFormat() const { return m_format; }
 
private:
 
#if QT_CONFIG(opengl)
    AVFVideoSinkInterface *sink = nullptr;
#if defined(Q_OS_MACOS)
    QCFType<CVOpenGLTextureRef> cvOpenGLTexture;
#elif defined(Q_OS_IOS)
    QCFType<CVOpenGLESTextureRef> cvOpenGLESTexture;
#endif
#endif
 
    QCFType<CVImageBufferRef> m_buffer;
    QCFType<CVMetalTextureCacheRef> metalCache;
    QCFType<CVMetalTextureRef> cvMetalTexture[3];
 
    QVideoFrame::MapMode m_mode = QVideoFrame::NotMapped;
    QVideoFrameFormat m_format;
};
 
QT_END_NAMESPACE
 
#endif