134 lines
3.1 KiB
Swift
134 lines
3.1 KiB
Swift
import Foundation
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/// 播放器引擎类型
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enum PlayerEngine: Int, CaseIterable, Identifiable {
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case system = 0
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case vlc = 10
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var id: Int { rawValue }
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var title: String {
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switch self {
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case .system:
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return "系统播放器"
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case .vlc:
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return "VLC播放器"
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}
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}
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static var isVLCAvailable: Bool {
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#if canImport(VLCKitSPM)
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return true
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#else
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return false
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#endif
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}
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static var availableEngines: [PlayerEngine] {
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var engines: [PlayerEngine] = [.system]
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if isVLCAvailable {
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engines.append(.vlc)
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}
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return engines
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}
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static func fromStoredValue(_ rawValue: Int) -> PlayerEngine {
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guard let engine = PlayerEngine(rawValue: rawValue) else {
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return .system
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}
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if engine == .vlc && !isVLCAvailable {
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return .system
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}
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return engine
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}
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}
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/// 视频解码模式
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enum VideoDecodeMode: Int, CaseIterable, Identifiable {
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case auto = 0
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case hardware = 1
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case software = 2
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var id: Int { rawValue }
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var title: String {
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switch self {
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case .auto:
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return "自动"
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case .hardware:
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return "硬解码"
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case .software:
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return "软解码"
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}
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}
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static func fromStoredValue(_ rawValue: Int) -> VideoDecodeMode {
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VideoDecodeMode(rawValue: rawValue) ?? .auto
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}
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/// VLC 媒体选项
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var vlcHardwareDecodeOption: String? {
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switch self {
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case .auto:
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// 自动模式默认硬解优先，异常时用户仍可手动切到软解。
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return "any"
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case .hardware:
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return "any"
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case .software:
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return "none"
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}
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}
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}
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/// VLC 缓冲策略
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enum VLCBufferMode: Int, CaseIterable, Identifiable {
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case lowLatency = 0
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case balanced = 1
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case smooth = 2
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var id: Int { rawValue }
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var title: String {
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switch self {
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case .lowLatency:
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return "低延迟"
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case .balanced:
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return "均衡"
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case .smooth:
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return "流畅优先"
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}
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}
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static var defaultMode: VLCBufferMode { .balanced }
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static func fromStoredValue(_ rawValue: Int) -> VLCBufferMode {
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VLCBufferMode(rawValue: rawValue) ?? defaultMode
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}
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var enableFrameDrop: Bool {
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self == .lowLatency
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}
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func cacheConfig(isLive: Bool) -> (network: Int, live: Int, file: Int) {
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switch self {
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case .lowLatency:
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if isLive {
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return (network: 1200, live: 1200, file: 1600)
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}
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return (network: 1800, live: 1600, file: 2400)
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case .balanced:
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if isLive {
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return (network: 2600, live: 2600, file: 3200)
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}
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return (network: 3800, live: 3200, file: 4400)
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case .smooth:
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if isLive {
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return (network: 4200, live: 4200, file: 5200)
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}
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return (network: 5600, live: 4800, file: 6400)
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}
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}
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}
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