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/****************************************************************************
**
** Copyright (C) 2021 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 AVFVIDEOFRAMERENDERER_H
#define AVFVIDEOFRAMERENDERER_H
#include <QtCore/QObject>
#include <QtGui/QImage>
#include <QtGui/QOpenGLContext>
#include <QtCore/QSize>
#import "Metal/Metal.h"
#import "MetalKit/MetalKit.h"
@class CARenderer;
@class AVPlayerLayer;
QT_BEGIN_NAMESPACE
class QOpenGLFramebufferObject;
class QOpenGLShaderProgram;
class QWindow;
class QOpenGLContext;
class QAbstractVideoSurface;
class AVFVideoFrameRenderer : public QObject
{
public:
AVFVideoFrameRenderer(QAbstractVideoSurface *surface, QObject *parent = nullptr);
virtual ~AVFVideoFrameRenderer();
GLuint renderLayerToTexture(AVPlayerLayer *layer);
QImage renderLayerToImage(AVPlayerLayer *layer);
static GLuint createGLTexture(CGLContextObj cglContextObj, CGLPixelFormatObj cglPixelFormtObj,
CVOpenGLTextureCacheRef cvglTextureCache,
CVPixelBufferRef cvPixelBufferRef,
CVOpenGLTextureRef cvOpenGLTextureRef);
static id<MTLTexture> createMetalTexture(id<MTLDevice> mtlDevice,
CVMetalTextureCacheRef cvMetalTextureCacheRef,
CVPixelBufferRef cvPixelBufferRef,
MTLPixelFormat pixelFormat, size_t width, size_t height,
CVMetalTextureRef cvMetalTextureRef);
private:
QOpenGLFramebufferObject* initRenderer(AVPlayerLayer *layer);
void renderLayerToFBO(AVPlayerLayer *layer, QOpenGLFramebufferObject *fbo);
void renderLayerToFBOCoreOpenGL(AVPlayerLayer *layer, QOpenGLFramebufferObject *fbo);
CARenderer *m_videoLayerRenderer;
QAbstractVideoSurface *m_surface;
QOpenGLFramebufferObject *m_fbo[2];
QOpenGLShaderProgram *m_shader = nullptr;
QWindow *m_offscreenSurface;
QOpenGLContext *m_glContext;
QSize m_targetSize;
bool m_useCoreProfile = false;
// Shared pixel buffer
CVPixelBufferRef m_CVPixelBuffer;
// OpenGL Texture
CVOpenGLTextureCacheRef m_CVGLTextureCache;
CVOpenGLTextureRef m_CVGLTexture;
CGLPixelFormatObj m_CGLPixelFormat;
GLuint m_textureName = 0;
// Metal Texture
CVMetalTextureRef m_CVMTLTexture;
CVMetalTextureCacheRef m_CVMTLTextureCache;
id<MTLDevice> m_metalDevice = nil;
id<MTLTexture> m_metalTexture = nil;
NSOpenGLContext *m_NSGLContext = nullptr;
GLuint m_quadVao = 0;
GLuint m_quadVbos[2];
uint m_currentBuffer;
bool m_isContextShared;
};
QT_END_NAMESPACE
#endif // AVFVIDEOFRAMERENDERER_H
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