94 lines
3.1 KiB
Swift
94 lines
3.1 KiB
Swift
//
|
|
// DDSpeechSynthesizer.swift
|
|
// DDAudioPlayerKit_Private
|
|
//
|
|
// Created by 中道 on 2023/9/5.
|
|
//
|
|
|
|
import Foundation
|
|
import AVFoundation
|
|
|
|
public let DDSS = DDSpeechSynthesizer.default
|
|
|
|
open class DDSpeechSynthesizer {
|
|
public static let `default` = DDSpeechSynthesizer()
|
|
private var items : [DDSpeechSynthesizerItem] = []
|
|
|
|
public func play(text:String,name:String,numberOfLoops:Int = 1,timeInterval:TimeInterval = 0,eachLoopCompletionBlock: (() -> Void)? = nil, endCompletionBlock: (() -> Void)? = nil) {
|
|
let item = DDSpeechSynthesizerItem(name: name)
|
|
items.append(item)
|
|
item.play(text: text,numberOfLoops:numberOfLoops,timeInterval:timeInterval,eachLoopCompletionBlock:eachLoopCompletionBlock,endCompletionBlock:endCompletionBlock)
|
|
}
|
|
|
|
public func stop(name:String) {
|
|
if items.contains(where: { item in
|
|
item.name == name
|
|
}) == true {
|
|
if let index = items.firstIndex(where: { item in
|
|
item.name == name
|
|
}) {
|
|
let item = items[index]
|
|
item.stop()
|
|
items.remove(at: index)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
class DDSpeechSynthesizerItem: NSObject, AVSpeechSynthesizerDelegate {
|
|
private var synthesizer : AVSpeechSynthesizer?
|
|
private var utterance : AVSpeechUtterance?
|
|
public var name : String
|
|
private var numberOfLoops : Int = 0
|
|
private var timeInterval : TimeInterval = 0
|
|
private var eachLoopCompletionBlock : (() -> Void)?
|
|
private var endCompletionBlock : (() -> Void)?
|
|
|
|
init(name:String) {
|
|
self.name = name
|
|
}
|
|
|
|
func play(text:String,numberOfLoops:Int,timeInterval:TimeInterval,eachLoopCompletionBlock: (() -> Void)?, endCompletionBlock: (() -> Void)?) {
|
|
self.numberOfLoops = numberOfLoops
|
|
self.timeInterval = timeInterval
|
|
self.eachLoopCompletionBlock = eachLoopCompletionBlock
|
|
self.endCompletionBlock = endCompletionBlock
|
|
|
|
synthesizer = AVSpeechSynthesizer()
|
|
synthesizer?.delegate = self
|
|
utterance = AVSpeechUtterance(string: text)
|
|
utterance?.voice = AVSpeechSynthesisVoice(language: "zh-Hans")
|
|
utterance?.rate = AVSpeechUtteranceDefaultSpeechRate
|
|
if let utterance {
|
|
synthesizer?.speak(utterance)
|
|
}
|
|
}
|
|
|
|
public func speechSynthesizer(_ synthesizer: AVSpeechSynthesizer, didFinish utterance: AVSpeechUtterance) {
|
|
if eachLoopCompletionBlock != nil {
|
|
eachLoopCompletionBlock!()
|
|
}
|
|
|
|
numberOfLoops-=1
|
|
|
|
if numberOfLoops == 0 {
|
|
if endCompletionBlock != nil {
|
|
endCompletionBlock!()
|
|
}
|
|
}else{
|
|
DispatchQueue.global().asyncAfter(deadline: .now() + timeInterval, execute: {[weak self] in
|
|
if let utterance = self?.utterance {
|
|
self?.synthesizer?.speak(utterance)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func stop() {
|
|
synthesizer?.stopSpeaking(at: .immediate)
|
|
synthesizer?.delegate = nil
|
|
synthesizer = nil
|
|
utterance = nil
|
|
}
|
|
}
|