//
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// MetalVideoView.swift
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// LiveProject
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// 视频绘制
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// Created by 倪路朋 on 6/26/25.
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//
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import SwiftUI
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import MetalKit
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struct VideoRendererView: UIViewRepresentable {
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@Binding var pixelBuffer: CVPixelBuffer?
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@Binding var rotate:Int?;
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//用 Coordinator 缓存实例
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func makeCoordinator() -> Coordinator {
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return Coordinator()
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}
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func makeUIView(context: Context) -> MTKView {
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return context.coordinator.mtkView
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}
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func updateUIView(_ uiView: MTKView, context: Context) {
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if let buffer = pixelBuffer {
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//print("updateUIView")
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context.coordinator.renderer.display(pixelBuffer: buffer)
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}
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if let angle = rotate{
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//print("updateUIView rotate \(angle)")
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context.coordinator.renderer.updateRotate(angle: angle)
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}
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}
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class Coordinator {
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let mtkView: MTKView
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let renderer: MetalRenderer
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init() {
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print("📦 MetalRendererWrapper 初始化了")
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mtkView = MTKView()
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renderer = MetalRenderer(mtkView: mtkView)
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}
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}
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}
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