41 lines
867 B
Swift
41 lines
867 B
Swift
//
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// AVCaptureDevice.Format.AutoFocusSystem+descriptor.swift
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// Cuvent
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//
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// Created by Marc Rousavy on 29.12.20.
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// Copyright © 2020 Facebook. All rights reserved.
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//
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import AVFoundation
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extension AVCaptureDevice.Format.AutoFocusSystem {
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init(withString string: String) throws {
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switch string {
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case "contrast-detection":
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self = .contrastDetection
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return
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case "phase-detection":
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self = .phaseDetection
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return
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case "none":
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self = .none
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return
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default:
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throw EnumParserError.invalidValue
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}
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}
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var descriptor: String {
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switch self {
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case .contrastDetection:
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return "contrast-detection"
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case .phaseDetection:
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return "phase-detection"
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case .none:
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return "none"
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@unknown default:
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fatalError("AVCaptureDevice.Format has unknown state.")
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}
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}
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}
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