34 lines
875 B
TypeScript
34 lines
875 B
TypeScript
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import { spawn } from "node:child_process";
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import { BaseEngine, type VoiceParams } from "./BaseEngine.js";
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export class EspeakEngine extends BaseEngine {
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constructor() {
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super("espeak", "ESpeak", "wav");
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}
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override getDefaultVoice(): string {
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return "en";
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}
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override validateVoice(_voice: string): boolean {
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return true;
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}
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override async getSpeechFile(
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text: string,
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filepath: string,
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voice: string = this.getDefaultVoice(),
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_params: VoiceParams = {},
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): Promise<string> {
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return new Promise((resolve, reject) => {
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const proc = spawn("espeak", ["-v", voice, "-w", filepath, "--stdin"]);
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proc.on("error", reject);
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proc.on("close", (code) => {
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if (code === 0) resolve(filepath);
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else reject(new Error(`espeak exited with code ${code}`));
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});
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proc.stdin.end(text);
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});
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}
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}
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