import { getRequestHeaders } from "../../../script.js" import { getApiUrl } from "../../extensions.js" import { doExtrasFetch, modules } from "../../extensions.js" import { getPreviewString } from "./index.js" import { saveTtsProviderSettings } from "./index.js" export { EdgeTtsProvider } class EdgeTtsProvider { //########// // Config // //########// settings voices = [] separator = ' . ' audioElement = document.createElement('audio') defaultSettings = { voiceMap: {}, rate: 0, } get settingsHtml() { let html = `Microsoft Edge TTS Provider
` return html } onSettingsChange() { this.settings.rate = Number($('#edge_tts_rate').val()); $('#edge_tts_rate_output').text(this.settings.rate); saveTtsProviderSettings() } async loadSettings(settings) { // Pupulate Provider UI given input settings if (Object.keys(settings).length == 0) { console.info("Using default TTS Provider settings") } // Only accept keys defined in defaultSettings this.settings = this.defaultSettings for (const key in settings) { if (key in this.settings) { this.settings[key] = settings[key] } else { throw `Invalid setting passed to TTS Provider: ${key}` } } $('#edge_tts_rate').val(this.settings.rate || 0); $('#edge_tts_rate_output').text(this.settings.rate || 0); $('#edge_tts_rate').on("input", () => {this.onSettingsChange()}) await this.checkReady() console.debug("EdgeTTS: Settings loaded") } // Perform a simple readiness check by trying to fetch voiceIds async checkReady(){ throwIfModuleMissing() await this.fetchTtsVoiceObjects() } async onRefreshClick() { return } //#################// // TTS Interfaces // //#################// async getVoice(voiceName) { if (this.voices.length == 0) { this.voices = await this.fetchTtsVoiceObjects() } const match = this.voices.filter( voice => voice.name == voiceName )[0] if (!match) { throw `TTS Voice name ${voiceName} not found` } return match } async generateTts(text, voiceId) { const response = await this.fetchTtsGeneration(text, voiceId) return response } //###########// // API CALLS // //###########// async fetchTtsVoiceObjects() { throwIfModuleMissing() const url = new URL(getApiUrl()); url.pathname = `/api/edge-tts/list` const response = await doExtrasFetch(url) if (!response.ok) { throw new Error(`HTTP ${response.status}: ${await response.text()}`) } let responseJson = await response.json() responseJson = responseJson .sort((a, b) => a.Locale.localeCompare(b.Locale) || a.ShortName.localeCompare(b.ShortName)) .map(x => ({ name: x.ShortName, voice_id: x.ShortName, preview_url: false, lang: x.Locale })); return responseJson } async previewTtsVoice(id) { this.audioElement.pause(); this.audioElement.currentTime = 0; const voice = await this.getVoice(id); const text = getPreviewString(voice.lang); const response = await this.fetchTtsGeneration(text, id) if (!response.ok) { throw new Error(`HTTP ${response.status}: ${await response.text()}`) } const audio = await response.blob(); const url = URL.createObjectURL(audio); this.audioElement.src = url; this.audioElement.play(); } async fetchTtsGeneration(inputText, voiceId) { throwIfModuleMissing() console.info(`Generating new TTS for voice_id ${voiceId}`) const url = new URL(getApiUrl()); url.pathname = `/api/edge-tts/generate`; const response = await doExtrasFetch(url, { method: 'POST', headers: getRequestHeaders(), body: JSON.stringify({ "text": inputText, "voice": voiceId, "rate": Number(this.settings.rate), }) } ) if (!response.ok) { toastr.error(response.statusText, 'TTS Generation Failed'); throw new Error(`HTTP ${response.status}: ${await response.text()}`); } return response } } function throwIfModuleMissing() { if (!modules.includes('edge-tts')) { const message = `Edge TTS module not loaded. Add edge-tts to enable-modules and restart the Extras API.` // toastr.error(message) throw new Error(message) } }