This repository has been archived on 2025-08-26. You can view files and clone it, but cannot push or open issues or pull requests.
Files
enginex_bi_series-sherpa-onnx/swift-api-examples/tts-vits.swift
2025-01-06 07:23:45 +08:00

65 lines
1.8 KiB
Swift

class MyClass {
func playSamples(samples: [Float]) {
print("Play \(samples.count) samples")
}
}
func run() {
let model = "./vits-piper-en_US-amy-low/en_US-amy-low.onnx"
let tokens = "./vits-piper-en_US-amy-low/tokens.txt"
let dataDir = "./vits-piper-en_US-amy-low/espeak-ng-data"
let vits = sherpaOnnxOfflineTtsVitsModelConfig(
model: model,
lexicon: "",
tokens: tokens,
dataDir: dataDir
)
let modelConfig = sherpaOnnxOfflineTtsModelConfig(vits: vits)
var ttsConfig = sherpaOnnxOfflineTtsConfig(model: modelConfig)
let myClass = MyClass()
// We use Unretained here so myClass must be kept alive as the callback is invoked
//
// See also
// https://medium.com/codex/swift-c-callback-interoperability-6d57da6c8ee6
let arg = Unmanaged<MyClass>.passUnretained(myClass).toOpaque()
let callback: TtsCallbackWithArg = { samples, n, arg in
let o = Unmanaged<MyClass>.fromOpaque(arg!).takeUnretainedValue()
var savedSamples: [Float] = []
for index in 0..<n {
savedSamples.append(samples![Int(index)])
}
o.playSamples(samples: savedSamples)
// return 1 so that it continues generating
return 1
}
let tts = SherpaOnnxOfflineTtsWrapper(config: &ttsConfig)
let text =
"“Today as always, men fall into two groups: slaves and free men. Whoever does not have two-thirds of his day for himself, is a slave, whatever he may be: a statesman, a businessman, an official, or a scholar.”"
let sid = 99
let speed: Float = 1.0
let audio = tts.generateWithCallbackWithArg(
text: text, callback: callback, arg: arg, sid: sid, speed: speed)
let filename = "test-vits-en.wav"
let ok = audio.save(filename: filename)
if ok == 1 {
print("\nSaved to:\(filename)")
} else {
print("Failed to save to \(filename)")
}
}
@main
struct App {
static func main() {
run()
}
}