mirror of
https://github.com/yattee/yattee.git
synced 2024-12-13 05:40:32 +05:30
485 lines
13 KiB
Swift
485 lines
13 KiB
Swift
import AVFoundation
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import Defaults
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import Foundation
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// 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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// Some 16:19 and 16:10 resolutions are also used in 2:1 videos
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// 8K UHD (16:9) Resolutions
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case hd4320p60
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case hd4320p50
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case hd4320p48
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case hd4320p30
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case hd4320p25
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case hd4320p24
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// 5K (16:9) Resolutions
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case hd2560p60
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case hd2560p50
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case hd2560p48
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case hd2560p30
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case hd2560p25
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case hd2560p24
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// 2:1 Aspect Ratio (Univisium) Resolutions
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case hd2880p60
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case hd2880p50
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case hd2880p48
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case hd2880p30
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case hd2880p25
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case hd2880p24
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// 16:10 Resolutions
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case hd2400p60
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case hd2400p50
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case hd2400p48
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case hd2400p30
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case hd2400p25
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case hd2400p24
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// 16:9 Resolutions
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case hd2160p60
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case hd2160p50
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case hd2160p48
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case hd2160p30
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case hd2160p25
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case hd2160p24
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// 16:10 Resolutions
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case hd1600p60
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case hd1600p50
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case hd1600p48
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case hd1600p30
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case hd1600p25
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case hd1600p24
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// 16:9 Resolutions
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case hd1440p60
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case hd1440p50
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case hd1440p48
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case hd1440p30
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case hd1440p25
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case hd1440p24
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// 16:10 Resolutions
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case hd1280p60
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case hd1280p50
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case hd1280p48
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case hd1280p30
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case hd1280p25
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case hd1280p24
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// 16:10 Resolutions
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case hd1200p60
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case hd1200p50
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case hd1200p48
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case hd1200p30
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case hd1200p25
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case hd1200p24
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// 16:9 Resolutions
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case hd1080p60
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case hd1080p50
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case hd1080p48
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case hd1080p30
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case hd1080p25
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case hd1080p24
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// 16:10 Resolutions
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case hd1050p60
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case hd1050p50
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case hd1050p48
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case hd1050p30
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case hd1050p25
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case hd1050p24
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// 16:9 Resolutions
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case hd960p60
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case hd960p50
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case hd960p48
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case hd960p30
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case hd960p25
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case hd960p24
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// 16:10 Resolutions
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case hd900p60
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case hd900p50
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case hd900p48
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case hd900p30
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case hd900p25
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case hd900p24
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// 16:10 Resolutions
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case hd800p60
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case hd800p50
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case hd800p48
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case hd800p30
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case hd800p25
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case hd800p24
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// 16:9 Resolutions
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case hd720p60
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case hd720p50
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case hd720p48
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case hd720p30
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case hd720p25
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case hd720p24
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// Standard Definition (SD) Resolutions
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case sd854p30
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case sd854p25
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case sd768p30
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case sd768p25
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case sd640p30
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case sd640p25
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case sd480p30
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case sd480p25
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case sd428p30
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case sd428p25
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case sd426p30
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case sd426p25
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case sd360p30
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case sd360p25
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case sd320p30
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case sd320p25
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case sd256p30
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case sd256p25
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case sd240p30
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case sd240p25
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case sd214p30
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case sd214p25
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case sd144p30
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case sd144p25
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case sd128p30
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case sd128p25
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case unknown
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var name: String {
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"\(height)p\(refreshRate != -1 && refreshRate != 30 ? ", \(refreshRate) fps" : "")"
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}
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var height: Int {
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if self == .unknown {
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return -1
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}
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let resolutionPart = rawValue.components(separatedBy: "p").first!
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return Int(resolutionPart.components(separatedBy: CharacterSet.decimalDigits.inverted).joined())!
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}
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var refreshRate: Int {
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if self == .unknown {
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return -1
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}
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let refreshRatePart = rawValue.components(separatedBy: "p")[1]
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if refreshRatePart.isEmpty {
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return 30
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}
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return Int(refreshRatePart.components(separatedBy: CharacterSet.decimalDigits.inverted).joined()) ?? -1
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}
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// These values are an approximation.
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// https://support.google.com/youtube/answer/1722171?hl=en#zippy=%2Cbitrate
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var bitrate: Int {
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switch self {
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// 8K UHD (16:9) Resolutions
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case .hd4320p60, .hd4320p50, .hd4320p48, .hd4320p30, .hd4320p25, .hd4320p24:
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return 85_000_000 // 85 Mbit/s
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// 5K (16:9) Resolutions
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case .hd2880p60, .hd2880p50, .hd2880p48, .hd2880p30, .hd2880p25, .hd2880p24:
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return 45_000_000 // 45 Mbit/s
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// 2:1 Aspect Ratio (Univisium) Resolutions
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case .hd2560p60, .hd2560p50, .hd2560p48, .hd2560p30, .hd2560p25, .hd2560p24:
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return 30_000_000 // 30 Mbit/s
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// 16:10 Resolutions
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case .hd2400p60, .hd2400p50, .hd2400p48, .hd2400p30, .hd2400p25, .hd2400p24:
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return 35_000_000 // 35 Mbit/s
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// 4K UHD (16:9) Resolutions
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case .hd2160p60, .hd2160p50, .hd2160p48, .hd2160p30, .hd2160p25, .hd2160p24:
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return 56_000_000 // 56 Mbit/s
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// 16:10 Resolutions
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case .hd1600p60, .hd1600p50, .hd1600p48, .hd1600p30, .hd1600p25, .hd1600p24:
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return 20_000_000 // 20 Mbit/s
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// 1440p (16:9) Resolutions
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case .hd1440p60, .hd1440p50, .hd1440p48, .hd1440p30, .hd1440p25, .hd1440p24:
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return 24_000_000 // 24 Mbit/s
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// 1280p (16:10) Resolutions
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case .hd1280p60, .hd1280p50, .hd1280p48, .hd1280p30, .hd1280p25, .hd1280p24:
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return 15_000_000 // 15 Mbit/s
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// 1200p (16:10) Resolutions
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case .hd1200p60, .hd1200p50, .hd1200p48, .hd1200p30, .hd1200p25, .hd1200p24:
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return 18_000_000 // 18 Mbit/s
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// 1080p (16:9) Resolutions
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case .hd1080p60, .hd1080p50, .hd1080p48, .hd1080p30, .hd1080p25, .hd1080p24:
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return 12_000_000 // 12 Mbit/s
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// 1050p (16:10) Resolutions
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case .hd1050p60, .hd1050p50, .hd1050p48, .hd1050p30, .hd1050p25, .hd1050p24:
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return 10_000_000 // 10 Mbit/s
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// 960p Resolutions
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case .hd960p60, .hd960p50, .hd960p48, .hd960p30, .hd960p25, .hd960p24:
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return 8_000_000 // 8 Mbit/s
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// 900p (16:10) Resolutions
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case .hd900p60, .hd900p50, .hd900p48, .hd900p30, .hd900p25, .hd900p24:
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return 7_000_000 // 7 Mbit/s
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// 800p (16:10) Resolutions
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case .hd800p60, .hd800p50, .hd800p48, .hd800p30, .hd800p25, .hd800p24:
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return 6_000_000 // 6 Mbit/s
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// 720p (16:9) Resolutions
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case .hd720p60, .hd720p50, .hd720p48, .hd720p30, .hd720p25, .hd720p24:
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return 9_500_000 // 9.5 Mbit/s
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// Standard Definition (SD) Resolutions
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case .sd854p30, .sd854p25, .sd768p30, .sd768p25, .sd640p30, .sd640p25:
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return 4_000_000 // 4 Mbit/s
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case .sd480p30, .sd480p25:
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return 2_500_000 // 2.5 Mbit/s
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case .sd428p30, .sd428p25, .sd426p30, .sd426p25:
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return 2_000_000 // 2 Mbit/s
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case .sd360p30, .sd360p25:
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return 1_500_000 // 1.5 Mbit/s
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case .sd320p30, .sd320p25:
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return 1_200_000 // 1.2 Mbit/s
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case .sd256p30, .sd256p25, .sd240p30, .sd240p25:
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return 1_000_000 // 1 Mbit/s
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case .sd214p30, .sd214p25:
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return 800_000 // 0.8 Mbit/s
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case .sd144p30, .sd144p25:
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return 600_000 // 0.6 Mbit/s
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case .sd128p30, .sd128p25:
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return 400_000 // 0.4 Mbit/s
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case .unknown:
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return 0
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}
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}
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static func from(resolution: String, fps: Int? = nil) -> Self {
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allCases.first { $0.rawValue.contains(resolution) && $0.refreshRate == (fps ?? 30) } ?? .unknown
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}
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static func < (lhs: Self, rhs: Self) -> Bool {
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lhs.height == rhs.height ? (lhs.refreshRate < rhs.refreshRate) : (lhs.height < rhs.height)
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}
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}
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enum Kind: String, Comparable {
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case hls, adaptive, stream
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private var sortOrder: Int {
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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:
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return 2
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}
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}
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static func < (lhs: Self, rhs: Self) -> Bool {
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lhs.sortOrder < rhs.sortOrder
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}
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}
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enum Format: String {
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case avc1
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case mp4
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case av1
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case webm
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case hls
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case stream
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case unknown
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var description: String {
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switch self {
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case .webm:
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return "WebM"
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case .hls:
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return "adaptive (HLS)"
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case .stream:
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return "Stream"
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default:
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return rawValue.uppercased()
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}
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}
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static func from(_ string: String) -> Self {
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let lowercased = string.lowercased()
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if lowercased.contains("avc1") {
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return .avc1
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}
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if lowercased.contains("mpeg_4") || lowercased.contains("mp4") {
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return .mp4
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}
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if lowercased.contains("av01") {
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return .av1
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}
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if lowercased.contains("webm") {
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return .webm
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}
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if lowercased.contains("stream") {
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return .stream
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}
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if lowercased.contains("hls") {
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return .hls
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}
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return .unknown
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}
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}
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let id = UUID()
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var instance: Instance!
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var audioAsset: AVURLAsset!
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var videoAsset: AVURLAsset!
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var hlsURL: URL!
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var localURL: URL!
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var resolution: Resolution!
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var kind: Kind!
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var format: Format!
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var encoding: String?
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var videoFormat: String?
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var bitrate: Int?
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var requestRange: String?
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init(
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instance: Instance? = nil,
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audioAsset: AVURLAsset? = nil,
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videoAsset: AVURLAsset? = nil,
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hlsURL: URL? = nil,
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localURL: URL? = nil,
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resolution: Resolution? = nil,
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kind: Kind = .hls,
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encoding: String? = nil,
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videoFormat: String? = nil,
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bitrate: Int? = nil,
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requestRange: String? = nil
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) {
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self.instance = instance
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self.audioAsset = audioAsset
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self.videoAsset = videoAsset
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self.hlsURL = hlsURL
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self.localURL = localURL
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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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format = .from(videoFormat ?? "")
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self.bitrate = bitrate
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self.requestRange = requestRange
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}
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var isLocal: Bool {
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localURL != nil
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}
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var isHLS: Bool {
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hlsURL != nil
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}
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var quality: String {
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guard localURL.isNil else { return "Opened File" }
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if kind == .hls {
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return "adaptive (HLS)"
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}
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return resolution.name
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}
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var shortQuality: String {
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guard localURL.isNil else { return "File" }
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if kind == .hls {
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return "adaptive (HLS)"
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}
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if kind == .stream {
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return resolution.name
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}
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return resolutionAndFormat
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}
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var description: String {
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guard localURL.isNil else { return resolutionAndFormat }
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let instanceString = instance.isNil ? "" : " - (\(instance!.description))"
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return format != .hls ? "\(resolutionAndFormat)\(instanceString)" : "adaptive (HLS)\(instanceString)"
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}
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var resolutionAndFormat: String {
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let formatString = format == .unknown ? "" : " (\(format.description))"
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return "\(quality)\(formatString)"
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}
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var assets: [AVURLAsset] {
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[audioAsset, videoAsset]
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}
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var videoAssetContainsAudio: Bool {
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assets.dropFirst().allSatisfy { $0.url == assets.first!.url }
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}
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var singleAssetURL: URL? {
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guard localURL.isNil else {
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return URLBookmarkModel.shared.loadBookmark(localURL) ?? localURL
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}
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if kind == .hls {
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return hlsURL
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}
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if videoAssetContainsAudio {
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return videoAsset.url
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}
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return nil
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}
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static func == (lhs: Stream, rhs: Stream) -> Bool {
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lhs.id == rhs.id
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}
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func hash(into hasher: inout Hasher) {
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if let url = videoAsset?.url {
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hasher.combine(url)
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}
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if let url = audioAsset?.url {
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hasher.combine(url)
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}
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if let url = hlsURL {
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hasher.combine(url)
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}
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}
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}
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