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yattee/Model/Stream.swift

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import AVFoundation
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import Defaults
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import Foundation
// swiftlint:disable:next final_class
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class Stream: Equatable, Hashable, Identifiable {
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enum Resolution: String, CaseIterable, Comparable, Defaults.Serializable {
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case hd2160p, hd1440p60, hd1440p, hd1080p60, hd1080p, hd720p60, hd720p, sd480p, sd360p, sd240p, sd144p, unknown
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var name: String {
"\(height)p\(refreshRate != -1 ? ", \(refreshRate) fps" : "")"
}
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var height: Int {
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if self == .unknown {
return -1
}
let resolutionPart = rawValue.components(separatedBy: "p").first!
return Int(resolutionPart.components(separatedBy: CharacterSet.decimalDigits.inverted).joined())!
}
var refreshRate: Int {
if self == .unknown {
return -1
}
let refreshRatePart = rawValue.components(separatedBy: "p")[1]
return Int(refreshRatePart.components(separatedBy: CharacterSet.decimalDigits.inverted).joined()) ?? -1
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}
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static func from(resolution: String) -> Resolution {
allCases.first { "\($0)".contains(resolution) } ?? .unknown
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}
static func < (lhs: Resolution, rhs: Resolution) -> Bool {
lhs.height < rhs.height
}
}
enum Kind: String, Comparable {
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case stream, adaptive, hls
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private var sortOrder: Int {
switch self {
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case .hls:
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return 0
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case .stream:
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return 1
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case .adaptive:
return 2
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}
}
static func < (lhs: Kind, rhs: Kind) -> Bool {
lhs.sortOrder < rhs.sortOrder
}
}
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let id = UUID()
var instance: Instance!
var audioAsset: AVURLAsset!
var videoAsset: AVURLAsset!
var hlsURL: URL!
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var resolution: Resolution!
var kind: Kind!
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var encoding: String!
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var videoFormat: String!
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init(
instance: Instance? = nil,
audioAsset: AVURLAsset? = nil,
videoAsset: AVURLAsset? = nil,
hlsURL: URL? = nil,
resolution: Resolution? = nil,
kind: Kind = .hls,
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encoding: String? = nil,
videoFormat: String? = nil
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) {
self.instance = instance
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self.audioAsset = audioAsset
self.videoAsset = videoAsset
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self.hlsURL = hlsURL
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self.resolution = resolution
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self.kind = kind
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self.encoding = encoding
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self.videoFormat = videoFormat
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}
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var quality: String {
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if resolution == .hd2160p {
return "4K (2160p)"
}
return kind == .hls ? "adaptive (HLS)" : "\(resolution.name)\(kind == .stream ? " (\(kind.rawValue))" : "")"
}
var format: String {
let lowercasedFormat = (videoFormat ?? "unknown").lowercased()
if lowercasedFormat.contains("webm") {
return "WEBM"
} else if lowercasedFormat.contains("avc1") {
return "avc1"
} else if lowercasedFormat.contains("av01") {
return "AV1"
} else if lowercasedFormat.contains("mpeg_4") || lowercasedFormat.contains("mp4") {
return "MP4"
} else {
return lowercasedFormat
}
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}
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var description: String {
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let formatString = format == "unknown" ? "" : " (\(format))"
return "\(quality)\(formatString) - \(instance?.description ?? "")"
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}
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var assets: [AVURLAsset] {
[audioAsset, videoAsset]
}
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var videoAssetContainsAudio: Bool {
assets.dropFirst().allSatisfy { $0.url == assets.first!.url }
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}
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var singleAssetURL: URL? {
if kind == .hls {
return hlsURL
} else if videoAssetContainsAudio {
return videoAsset.url
}
return nil
}
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static func == (lhs: Stream, rhs: Stream) -> Bool {
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lhs.id == rhs.id
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}
func hash(into hasher: inout Hasher) {
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hasher.combine(videoAsset?.url)
hasher.combine(audioAsset?.url)
hasher.combine(hlsURL)
}
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}