first commit

2026-03-01 14:04:44 +08:00
commit 61e97da938
62 changed files with 9947 additions and 0 deletions
@@ -0,0 +1,133 @@
+import Foundation
+
+/// 播放器引擎类型
+enum PlayerEngine: Int, CaseIterable, Identifiable {
+    case system = 0
+    case vlc = 10
+    
+    var id: Int { rawValue }
+    
+    var title: String {
+        switch self {
+        case .system:
+            return "系统播放器"
+        case .vlc:
+            return "VLC播放器"
+        }
+    }
+    
+    static var isVLCAvailable: Bool {
+        #if canImport(VLCKitSPM)
+        return true
+        #else
+        return false
+        #endif
+    }
+    
+    static var availableEngines: [PlayerEngine] {
+        var engines: [PlayerEngine] = [.system]
+        if isVLCAvailable {
+            engines.append(.vlc)
+        }
+        return engines
+    }
+    
+    static func fromStoredValue(_ rawValue: Int) -> PlayerEngine {
+        guard let engine = PlayerEngine(rawValue: rawValue) else {
+            return .system
+        }
+        
+        if engine == .vlc && !isVLCAvailable {
+            return .system
+        }
+        
+        return engine
+    }
+}
+
+/// 视频解码模式
+enum VideoDecodeMode: Int, CaseIterable, Identifiable {
+    case auto = 0
+    case hardware = 1
+    case software = 2
+    
+    var id: Int { rawValue }
+    
+    var title: String {
+        switch self {
+        case .auto:
+            return "自动"
+        case .hardware:
+            return "硬解码"
+        case .software:
+            return "软解码"
+        }
+    }
+    
+    static func fromStoredValue(_ rawValue: Int) -> VideoDecodeMode {
+        VideoDecodeMode(rawValue: rawValue) ?? .auto
+    }
+    
+    /// VLC 媒体选项
+    var vlcHardwareDecodeOption: String? {
+        switch self {
+        case .auto:
+            // 自动模式默认硬解优先，异常时用户仍可手动切到软解。
+            return "any"
+        case .hardware:
+            return "any"
+        case .software:
+            return "none"
+        }
+    }
+}
+
+/// VLC 缓冲策略
+enum VLCBufferMode: Int, CaseIterable, Identifiable {
+    case lowLatency = 0
+    case balanced = 1
+    case smooth = 2
+
+    var id: Int { rawValue }
+
+    var title: String {
+        switch self {
+        case .lowLatency:
+            return "低延迟"
+        case .balanced:
+            return "均衡"
+        case .smooth:
+            return "流畅优先"
+        }
+    }
+
+    static var defaultMode: VLCBufferMode { .balanced }
+
+    static func fromStoredValue(_ rawValue: Int) -> VLCBufferMode {
+        VLCBufferMode(rawValue: rawValue) ?? defaultMode
+    }
+
+    var enableFrameDrop: Bool {
+        self == .lowLatency
+    }
+
+    func cacheConfig(isLive: Bool) -> (network: Int, live: Int, file: Int) {
+        switch self {
+        case .lowLatency:
+            if isLive {
+                return (network: 1200, live: 1200, file: 1600)
+            }
+            return (network: 1800, live: 1600, file: 2400)
+        case .balanced:
+            if isLive {
+                return (network: 2600, live: 2600, file: 3200)
+            }
+            return (network: 3800, live: 3200, file: 4400)
+        case .smooth:
+            if isLive {
+                return (network: 4200, live: 4200, file: 5200)
+            }
+            return (network: 5600, live: 4800, file: 6400)
+        }
+    }
+}