111 lines
3.8 KiB
Swift
111 lines
3.8 KiB
Swift
import AVFoundation
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import Photos
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import SwiftUI
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import UIKit
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class MediaManager: NSObject, ObservableObject {
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// @Published var photos: [UIImage] = []
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@Published var cameraFeed: UIImage?
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// @Published var galleryAccessLevel: PHAuthorizationStatus = .notDetermined
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@Published var cameraAccessLevel: AVAuthorizationStatus = AVCaptureDevice.authorizationStatus(for: .video)
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override init() {
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super.init()
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NotificationCenter.default.addObserver(self, selector: #selector(appDidBecomeActive), name: UIApplication.didBecomeActiveNotification, object: nil)
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// DispatchQueue.main.async { [weak self] in
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// // self?.fetchPhotos()
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// }
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}
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// private func fetchPhotos() {
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// galleryAccessLevel = PHPhotoLibrary.authorizationStatus()
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//
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// let fetchOptions = PHFetchOptions()
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// fetchOptions.sortDescriptors = [NSSortDescriptor(key: "creationDate", ascending: false)]
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// let assets = PHAsset.fetchAssets(with: .image, options: fetchOptions)
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//
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// let manager = PHImageManager.default()
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// let option = PHImageRequestOptions()
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// option.isSynchronous = true
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//
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// assets.enumerateObjects { asset, _, _ in
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// manager.requestImage(for: asset, targetSize: CGSize(width: 200, height: 200), contentMode: .aspectFill, options: option) { image, _ in
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// if let image = image {
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// DispatchQueue.main.async {
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// self.photos.append(image)
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// }
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// }
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// }
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// }
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// }
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private func setupCameraFeed() {
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cameraAccessLevel = AVCaptureDevice.authorizationStatus(for: .video)
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let captureSession = AVCaptureSession()
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captureSession.sessionPreset = .medium
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guard let backCamera = AVCaptureDevice.default(.builtInWideAngleCamera, for: .video, position: .back) else {
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print("Unable to access the back camera!")
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return
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}
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do {
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let input = try AVCaptureDeviceInput(device: backCamera)
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if captureSession.canAddInput(input) {
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captureSession.addInput(input)
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}
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} catch {
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print("Error Unable to initialize back camera: \(error.localizedDescription)")
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}
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let videoOutput = AVCaptureVideoDataOutput()
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videoOutput.setSampleBufferDelegate(self, queue: DispatchQueue(label: "videoQueue"))
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if captureSession.canAddOutput(videoOutput) {
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captureSession.addOutput(videoOutput)
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}
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captureSession.startRunning()
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}
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}
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extension MediaManager: AVCaptureVideoDataOutputSampleBufferDelegate {
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func captureOutput(_: AVCaptureOutput, didOutput sampleBuffer: CMSampleBuffer, from _: AVCaptureConnection) {
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print("Capturing output started")
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guard let pixelBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) else {
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return
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}
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let ciImage = CIImage(cvPixelBuffer: pixelBuffer)
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let context = CIContext()
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guard let cgImage = context.createCGImage(ciImage, from: ciImage.extent) else {
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return
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}
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DispatchQueue.main.async {
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self.cameraFeed = UIImage(cgImage: cgImage)
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print("Updated camera feed")
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}
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}
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}
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extension MediaManager {
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func openAppSettings() {
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if
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let appSettingsUrl = URL(string: UIApplication.openSettingsURLString),
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UIApplication.shared.canOpenURL(appSettingsUrl)
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{
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UIApplication.shared.open(appSettingsUrl, completionHandler: nil)
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}
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}
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@objc private func appDidBecomeActive() {
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// Update access levels
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// galleryAccessLevel = PHPhotoLibrary.authorizationStatus()
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cameraAccessLevel = AVCaptureDevice.authorizationStatus(for: .video)
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setupCameraFeed()
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}
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}
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