Generate SRT from audio (#341)

ios-swiftui/SherpaOnnxSubtitle/SherpaOnnxSubtitle/Models/Audio.swift

@@ -0,0 +1,27 @@
+//
+//  Audio.swift
+//  SherpaOnnxSubtitle
+//
+//  Created by knight on 2023/9/23.
+//
+
+import SwiftUI
+
+struct Audio: Transferable {
+    let url: URL
+
+    static var transferRepresentation: some TransferRepresentation {
+        FileRepresentation(contentType: .movie) { movie in
+            SentTransferredFile(movie.url)
+        } importing: { received in
+            let copy = URL.documentsDirectory.appending(path: "audio.wav")
+
+            if FileManager.default.fileExists(atPath: copy.path()) {
+                try FileManager.default.removeItem(at: copy)
+            }
+
+            try FileManager.default.copyItem(at: received.file, to: copy)
+            return Self(url: copy)
+        }
+    }
+}

ios-swiftui/SherpaOnnxSubtitle/SherpaOnnxSubtitle/Models/Document.swift

@@ -0,0 +1,32 @@
+//
+//  Document.swift
+//  YPlayer
+//
+//  Created by knight on 2023/6/5.
+//
+
+import SwiftUI
+import UniformTypeIdentifiers
+
+struct Document: FileDocument {
+    static var readableContentTypes = [UTType.srt]
+    static var writableContentTypes = [UTType.srt]
+    var data: Data?
+
+    init(data: Data?) {
+        self.data = data
+    }
+
+    init(configuration: ReadConfiguration) throws {
+        if let data = configuration.file.regularFileContents {
+            self.data = data
+        }
+    }
+
+    func fileWrapper(configuration _: WriteConfiguration) throws -> FileWrapper {
+        guard let data = data else {
+            throw ExportError.fileNotFound
+        }
+        return FileWrapper(regularFileWithContents: data)
+    }
+}

ios-swiftui/SherpaOnnxSubtitle/SherpaOnnxSubtitle/Models/Errors.swift

@@ -0,0 +1,12 @@
+//
+//  Errors.swift
+//  YPlayer
+//
+//  Created by knight on 2023/8/26.
+//
+
+import Foundation
+
+enum ExportError: String, Error {
+    case fileNotFound = "export file not found"
+}

ios-swiftui/SherpaOnnxSubtitle/SherpaOnnxSubtitle/Models/SpeechSegment.swift

@@ -0,0 +1,31 @@
+//
+//  SpeechSegment.swift
+//  SherpaOnnxSubtitle
+//
+//  Created by knight on 2023/9/23.
+//
+
+import Foundation
+
+class SpeechSegment: CustomStringConvertible {
+    let start: Float
+    let end: Float
+    let text: String
+
+    init(start: Float, duration: Float, text: String) {
+        self.start = start
+        end = start + duration
+        self.text = text
+    }
+
+    public var description: String {
+        var s: String
+        s = TimeInterval(start).hourMinuteSecondMS
+        s += " --> "
+        s += TimeInterval(end).hourMinuteSecondMS
+        s += "\n"
+        s += text
+
+        return s
+    }
+}