//
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// LiveViewModel.swift
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// LiveProject
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//
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// Created by 倪路朋 on 6/27/25.
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//
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import UIKit
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import AVFoundation
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class LiveViewModel{
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lazy var camera = CameraCapture()
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lazy var renderer = MetalRenderer()
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func newWindowAction(device:DeviceInfo,completion: @escaping (Bool) -> Void = {b in}){
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switch device.type{
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case StreamType.CAMERA:
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requestCameraPermission(mediaType: .video){ staus in
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if(staus){
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self.camera.onFrame = { buffer in
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self.renderer.updateFrame(pixelBuffer: buffer)
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print("画面更新")
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}
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self.camera.start()
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print("启动相机")
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}else{
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}
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completion(staus)
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}
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break;
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default:
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break;
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}
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}
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func requestCameraPermission(mediaType: AVMediaType,completion: @escaping (Bool) -> Void) {
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let status = AVCaptureDevice.authorizationStatus(for: mediaType)
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switch status {
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case .authorized:
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completion(true)
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case .notDetermined:
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AVCaptureDevice.requestAccess(for: .video) { granted in
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DispatchQueue.main.async {
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completion(granted)
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}
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}
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default:
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// denied / restricted
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completion(false)
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}
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}
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}
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