//import UIKit
//import AVFoundation
//import WebRTC
//
//final class VideoCallVC : UIViewController {
//    private var localVideoView = UIView()
//    private var remoteVideoView = UIView()
//    
//    override func viewDidLoad() {
//        super.viewDidLoad()
//        setUpViewHierarchy()
//        CameraManager.shared.delegate = self
//    }
//        
//    private func setUpViewHierarchy() {
//        // Create video views
//        #if arch(arm64)
//            // Use Metal
//            let localRenderer = RTCMTLVideoView(frame: self.localVideoView.frame)
//            localRenderer.contentMode = .scaleAspectFill
//            let remoteRenderer = RTCMTLVideoView(frame: self.remoteVideoView.frame)
//            remoteRenderer.contentMode = .scaleAspectFill
//        #else
//            // Use OpenGLES
//            let localRenderer = RTCEAGLVideoView(frame: self.localVideoView.frame)
//            let remoteRenderer = RTCEAGLVideoView(frame: self.remoteVideoView.frame)
//        #endif
//        // Set up stack view
//        let stackView = UIStackView(arrangedSubviews: [ localVideoView, remoteVideoView ])
//        stackView.axis = .vertical
//        stackView.distribution = .fillEqually
//        stackView.alignment = .fill
//        view.addSubview(stackView)
//        stackView.translatesAutoresizingMaskIntoConstraints = false
//        stackView.pin(to: view)
//        // Attach video views
//        CallManager.shared.attachLocalRenderer(localRenderer)
//        CallManager.shared.attachRemoteRenderer(remoteRenderer)
//        localVideoView.addSubview(localRenderer)
//        localRenderer.translatesAutoresizingMaskIntoConstraints = false
//        localRenderer.pin(to: localVideoView)
//        remoteVideoView.addSubview(remoteRenderer)
//        remoteRenderer.translatesAutoresizingMaskIntoConstraints = false
//        remoteRenderer.pin(to: remoteVideoView)
//    }
//}
//
//// MARK: Camera
//extension VideoCallVC : CameraCaptureDelegate {
//    
//    func captureVideoOutput(sampleBuffer: CMSampleBuffer) {
//        guard let pixelBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) else { return }
//        let rtcpixelBuffer = RTCCVPixelBuffer(pixelBuffer: pixelBuffer)
//        let timestamp = CMTimeGetSeconds(CMSampleBufferGetPresentationTimeStamp(sampleBuffer))
//        let timestampNs = Int64(timestamp * 1000000000)
//        let videoFrame = RTCVideoFrame(buffer: rtcpixelBuffer, rotation: RTCVideoRotation._0, timeStampNs: timestampNs)
//        videoFrame.timeStamp = Int32(timestamp)
//        CallManager.shared.handleLocalFrameCaptured(videoFrame)
//    }
//}