小窗缩放， 相机转小窗显示 小窗旋转，相机画面旋转 关闭按钮优化

Runt

2025-07-26 2b51baa1981fb445b938e64bdce539e58fe70264

 LiveProject/activity/stream/LiveViewModel.swift

@@ -10,15 +10,15 @@
class LiveViewModel: ObservableObject {
    @Published var pixelBuffer: CVPixelBuffer?
    
    let encoder = H264Encoder(width: 1080, height: 1920, fps: 30, bitrate: 1_000_000)
    //let encoder = H264Encoder(width: 1080, height: 1920, fps: 30, bitrate: 1_000_000)
    var frameIndex: Int64 = 0
    let encodeQueue = DispatchQueue(label: "encoder.queue")
    //let encodeQueue = DispatchQueue(label: "encoder.queue")

    lazy var camera = CameraCapture()
    var timestamp = Int(Date().timeIntervalSince1970 * 1000)
    
    func newWindowAction(device:DeviceInfo,completion: @escaping (Bool) -> Void = {b in}){
        switch device.type{
    func newWindowAction(minidata:MiniWindowData,completion: @escaping (Bool) -> Void = {b in}){
        switch minidata.streamType{
        case StreamType.CAMERA:
            requestCameraPermission(mediaType: .video){ staus in
                if(staus){
@@ -33,15 +33,18 @@
                            print("Invalid pixel buffer size: \(width)x\(height)")
                            return
                        }
                        
                        if(minidata.size.width != CGFloat(width) || minidata.size.height != CGFloat(height)){
                            minidata.size = CGSize(width:width,height:height);
                        }
                        self.frameIndex += 1
                        let ts =  Int(Date().timeIntervalSince1970 * 1000)

                        self.timestamp = ts;
                        let cmTime = CMTimeMake(value: Int64(CACurrentMediaTime() * 1000), timescale: 1000);
                        self.encoder.encode(pixelBuffer: buffer, pts: cmTime)
                        //self.encoder.encode(pixelBuffer: buffer, pts: cmTime)
                        DispatchQueue.main.async {
                            self.pixelBuffer = buffer;
                            minidata.pixelBuffer = buffer;
                            
                        }
                        //print("画面更新")
                    }
@@ -49,12 +52,12 @@
                        self.camera.start()
                    }
                    print("启动相机")
                    self.encoder.onEncoded = { (data: Data, ctime: CMTime, isKey: Bool) in
                    /*self.encoder.onEncoded = { (data: Data, ctime: CMTime, isKey: Bool) in
                        let timestamp2 = Int(Date().timeIntervalSince1970 * 1000)
                        print("编码时间2 \(timestamp2 - self.timestamp)")
                        print("Encoded NALU size: \(data.count), key frame: \(isKey)")

                    }
                    }*/
                }else{
                    
                }
@@ -67,10 +70,11 @@
        }
    }
    
    func closeWindowAction(device:DeviceInfo){
        switch device.type{
    func closeWindowAction(miniData:MiniWindowData){
        switch miniData.streamType{
        case StreamType.CAMERA:
            print("关闭相机")
            camera.stop();
            break;
        default:
            break;