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 | 71 +++++++++++++----------------------
1 files changed, 27 insertions(+), 44 deletions(-)
diff --git a/LiveProject/views/VideoRendererView.swift b/LiveProject/views/VideoRendererView.swift
index 960aa78..79a63a1 100644
--- a/LiveProject/views/VideoRendererView.swift
+++ b/LiveProject/views/VideoRendererView.swift
@@ -7,57 +7,40 @@
import SwiftUI
import MetalKit
-struct MetalVideoRenderView: UIViewRepresentable {
- // 统一接口，接收各种视频源的帧数据
- var frameData: VideoFrameData?
-
+struct VideoRendererView: UIViewRepresentable {
+ @Binding var pixelBuffer: CVPixelBuffer?
+ @Binding var rotate:Int?;
+
+ //用 Coordinator 缓存实例
func makeCoordinator() -> Coordinator {
- Coordinator(self)
+ return Coordinator()
}
-
+
func makeUIView(context: Context) -> MTKView {
- let mtkView = MTKView()
- mtkView.device = context.coordinator.device
- mtkView.delegate = context.coordinator
- mtkView.framebufferOnly = false
- mtkView.colorPixelFormat = .bgra8Unorm
- mtkView.autoResizeDrawable = true
- return mtkView
+ return context.coordinator.mtkView
}
-
+
func updateUIView(_ uiView: MTKView, context: Context) {
- // 更新帧数据
- context.coordinator.updateFrame(frameData)
+ 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: NSObject, MTKViewDelegate {
- var parent: MetalVideoRenderView
- var device: MTLDevice
- var commandQueue: MTLCommandQueue
- var pipelineState: MTLRenderPipelineState
- var textureCache: CVMetalTextureCache?
-
- // YUV转RGB的着色器
- var yuvConversionPipeline: MTLComputePipelineState?
-
- init(_ parent: MetalVideoRenderView) {
- self.parent = parent
- self.device = MTLCreateSystemDefaultDevice()!
- self.commandQueue = device.makeCommandQueue()!
-
- // 初始化Metal资源
- // (这里需要设置渲染管线和纹理缓存)
- }
-
- func updateFrame(_ frameData: VideoFrameData?) {
- // 根据不同的帧数据格式(YUV/RGBA)进行处理
- // 将数据转换为Metal纹理
- }
-
- func mtkView(_ view: MTKView, drawableSizeWillChange size: CGSize) {}
-
- func draw(in view: MTKView) {
- // 执行Metal绘制命令
+
+ 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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