iMCP

import AVFoundation // MARK: - Capture Device Types enum CaptureDeviceType: String, Hashable, CaseIterable { static let `default`: CaptureDeviceType = .builtInWideAngle case builtInWideAngle = "built-in" case continuity = "continuity" case external = "external" case deskView = "desk-view" var avDeviceType: AVCaptureDevice.DeviceType { switch self { case .builtInWideAngle: return .builtInWideAngleCamera case .continuity: return .continuityCamera case .deskView: return .deskViewCamera case .external: return .external } } } // MARK: - Capture Device Position enum CaptureDevicePosition: String, Hashable, CaseIterable { static let `default`: CaptureDevicePosition = .unspecified case unspecified = "unspecified" case back = "back" case front = "front" var avPosition: AVCaptureDevice.Position { switch self { case .unspecified: return .unspecified case .back: return .back case .front: return .front } } } // MARK: - Flash Mode enum FlashMode: String, Hashable, CaseIterable { static let `default`: FlashMode = .auto case auto = "auto" case on = "on" case off = "off" var avFlashMode: AVCaptureDevice.FlashMode { switch self { case .auto: return .auto case .on: return .on case .off: return .off } } } // MARK: - Session Preset enum SessionPreset: String, Hashable, CaseIterable { static let `default`: SessionPreset = .photo case photo = "photo" case low = "low" case medium = "medium" case high = "high" case hd1280x720 = "hd1280x720" case hd1920x1080 = "hd1920x1080" case hd4K3840x2160 = "hd4K3840x2160" var avPreset: AVCaptureSession.Preset { switch self { case .photo: return .photo case .low: return .low case .medium: return .medium case .high: return .high case .hd1280x720: return .hd1280x720 case .hd1920x1080: return .hd1920x1080 case .hd4K3840x2160: return .hd4K3840x2160 } } } // MARK: - Image Format enum ImageFormat: String, Hashable, CaseIterable { static let `default`: ImageFormat = .jpeg case jpeg = "jpeg" case png = "png" var mimeType: String { switch self { case .jpeg: return "image/jpeg" case .png: return "image/png" } } } // MARK: - Audio Format enum AudioFormat: String, Hashable, CaseIterable { static let `default`: AudioFormat = .mp4 case mp4 = "mp4" case caf = "caf" var fileExtension: String { return rawValue } var mimeType: String { switch self { case .mp4: return "audio/mp4" case .caf: return "audio/x-caf" } } } // MARK: - AVCaptureDevice Extensions extension AVCaptureDevice { static func device( for deviceType: CaptureDeviceType, position: CaptureDevicePosition, mediaType: AVMediaType ) -> AVCaptureDevice? { if position == .unspecified { return AVCaptureDevice.default(for: mediaType) } if let device = AVCaptureDevice.default( deviceType.avDeviceType, for: mediaType, position: position.avPosition ) { return device } // Fallback to built-in camera with specified position return AVCaptureDevice.default( .builtInWideAngleCamera, for: mediaType, position: position.avPosition ) } }