From 7b3ecfffc59d2d980d9f7628365b64c20fe015be Mon Sep 17 00:00:00 2001
From: Runt <qingingrunt2010@qq.com>
Date: Sun, 27 Jul 2025 09:42:03 +0000
Subject: [PATCH] 多个小窗缩放问题修复
---
LiveProject/views/VideoRendererView.swift | 44 ++++++++++++++++++++++++++++++++------------
1 files changed, 32 insertions(+), 12 deletions(-)
diff --git a/LiveProject/views/VideoRendererView.swift b/LiveProject/views/VideoRendererView.swift
index 67fdc70..79a63a1 100644
--- a/LiveProject/views/VideoRendererView.swift
+++ b/LiveProject/views/VideoRendererView.swift
@@ -8,19 +8,39 @@
import MetalKit
struct VideoRendererView: UIViewRepresentable {
- let renderer: MetalRenderer // 自定义 Metal 渲染器，支持传入 RGBA/YUV 数据帧
+ @Binding var pixelBuffer: CVPixelBuffer?
+ @Binding var rotate:Int?;
- func makeUIView(context: Context) -> MTKView {
- let view = MTKView()
- view.device = MTLCreateSystemDefaultDevice()
- view.colorPixelFormat = .bgra8Unorm
- view.clearColor = MTLClearColor(red: 0.2, green: 0.5, blue: 0.7, alpha: 1.0)
- view.delegate = renderer
- view.isPaused = false
- view.enableSetNeedsDisplay = false
- renderer.setup(view: view)
- return view
+ //用 Coordinator 缓存实例
+ func makeCoordinator() -> Coordinator {
+ return Coordinator()
}
- func updateUIView(_ uiView: MTKView, context: Context) {}
+ func makeUIView(context: Context) -> MTKView {
+ return context.coordinator.mtkView
+ }
+
+ func updateUIView(_ uiView: MTKView, context: Context) {
+ if let buffer = pixelBuffer {
+ //print("updateUIView")
+ context.coordinator.renderer.display(pixelBuffer: buffer)
+ }
+ if let angle = rotate{
+ //print("updateUIView rotate \(angle)")
+ context.coordinator.renderer.updateRotate(angle: angle)
+ }
+ }
+
+
+ class Coordinator {
+ let mtkView: MTKView
+ let renderer: MetalRenderer
+
+ init() {
+ print("📦 MetalRendererWrapper 初始化了")
+ mtkView = MTKView()
+ renderer = MetalRenderer(mtkView: mtkView)
+ }
+ }
}
+
--
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