SillyTavern/public/scripts/extensions/tts/novel.js

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import { getRequestHeaders, callPopup } from "../../../script.js"
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import { getPreviewString, saveTtsProviderSettings } from "./index.js"
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import { initVoiceMap } from "./index.js"
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export { NovelTtsProvider }
class NovelTtsProvider {
//########//
// Config //
//########//
settings
voices = []
separator = ' . '
audioElement = document.createElement('audio')
defaultSettings = {
voiceMap: {},
customVoices: []
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}
get settingsHtml() {
let html = `
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<div class="novel_tts_hints">
<div>Use NovelAI's TTS engine.</div>
<div>
The default Voice IDs are only examples. Add custom voices and Novel will create a new random voice for it.
Feel free to try different options!
</div>
<i>Hint: Save an API key in the NovelAI API settings to use it here.</i>
</div>
<label for="tts-novel-custom-voices-add">Custom Voices</label>
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<div class="tts_custom_voices">
<select id="tts-novel-custom-voices-select"><select>
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<i id="tts-novel-custom-voices-add" class="tts-button fa-solid fa-plus fa-xl success" title="Add"></i>
<i id="tts-novel-custom-voices-delete" class="tts-button fa-solid fa-xmark fa-xl failure" title="Delete"></i>
</div>
`;
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return html;
}
// Add a new Novel custom voice to provider
async addCustomVoice(){
const voiceName = await callPopup('<h3>Custom Voice name:</h3>', 'input')
this.settings.customVoices.push(voiceName)
this.populateCustomVoices()
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initVoiceMap() // Update TTS extension voiceMap
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saveTtsProviderSettings()
}
// Delete selected custom voice from provider
deleteCustomVoice() {
const selected = $("#tts-novel-custom-voices-select").find(':selected').val();
const voiceIndex = this.settings.customVoices.indexOf(selected);
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if (voiceIndex !== -1) {
this.settings.customVoices.splice(voiceIndex, 1);
}
this.populateCustomVoices()
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initVoiceMap() // Update TTS extension voiceMap
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saveTtsProviderSettings()
}
// Create the UI dropdown list of voices in provider
populateCustomVoices(){
let voiceSelect = $("#tts-novel-custom-voices-select")
voiceSelect.empty()
this.settings.customVoices.forEach(voice => {
voiceSelect.append(`<option>${voice}</option>`)
})
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}
async loadSettings(settings) {
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// Populate Provider UI given input settings
if (Object.keys(settings).length == 0) {
console.info("Using default TTS Provider settings")
}
$("#tts-novel-custom-voices-add").on('click', () => (this.addCustomVoice()))
$("#tts-novel-custom-voices-delete").on('click',() => (this.deleteCustomVoice()))
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// 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}`
}
}
this.populateCustomVoices()
await this.checkReady()
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console.debug("NovelTTS: Settings loaded")
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}
// Perform a simple readiness check by trying to fetch voiceIds
// Doesnt really do much for Novel, not seeing a good way to test this at the moment.
async checkReady(){
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await this.fetchTtsVoiceObjects()
}
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async onRefreshClick() {
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return
}
//#################//
// TTS Interfaces //
//#################//
async getVoice(voiceName) {
if (!voiceName) {
throw `TTS Voice name not provided`
}
return { name: voiceName, voice_id: voiceName, lang: 'en-US', preview_url: false}
}
async generateTts(text, voiceId) {
const response = await this.fetchTtsGeneration(text, voiceId)
return response
}
//###########//
// API CALLS //
//###########//
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async fetchTtsVoiceObjects() {
let voices = [
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{ name: 'Ligeia', voice_id: 'Ligeia', lang: 'en-US', preview_url: false },
{ name: 'Aini', voice_id: 'Aini', lang: 'en-US', preview_url: false },
{ name: 'Orea', voice_id: 'Orea', lang: 'en-US', preview_url: false },
{ name: 'Claea', voice_id: 'Claea', lang: 'en-US', preview_url: false },
{ name: 'Lim', voice_id: 'Lim', lang: 'en-US', preview_url: false },
{ name: 'Aurae', voice_id: 'Aurae', lang: 'en-US', preview_url: false },
{ name: 'Naia', voice_id: 'Naia', lang: 'en-US', preview_url: false },
{ name: 'Aulon', voice_id: 'Aulon', lang: 'en-US', preview_url: false },
{ name: 'Elei', voice_id: 'Elei', lang: 'en-US', preview_url: false },
{ name: 'Ogma', voice_id: 'Ogma', lang: 'en-US', preview_url: false },
{ name: 'Raid', voice_id: 'Raid', lang: 'en-US', preview_url: false },
{ name: 'Pega', voice_id: 'Pega', lang: 'en-US', preview_url: false },
{ name: 'Lam', voice_id: 'Lam', lang: 'en-US', preview_url: false },
];
// Add in custom voices to the map
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let addVoices = this.settings.customVoices.map(voice =>
({ name: voice, voice_id: voice, lang: 'en-US', preview_url: false })
)
voices = voices.concat(addVoices)
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return voices;
}
async previewTtsVoice(id) {
this.audioElement.pause();
this.audioElement.currentTime = 0;
const text = getPreviewString('en-US')
const response = await this.fetchTtsGeneration(text, id)
if (!response.ok) {
throw new Error(`HTTP ${response.status}`)
}
const audio = await response.blob();
const url = URL.createObjectURL(audio);
this.audioElement.src = url;
this.audioElement.play();
}
async fetchTtsGeneration(inputText, voiceId) {
console.info(`Generating new TTS for voice_id ${voiceId}`)
const response = await fetch(`/novel_tts`,
{
method: 'POST',
headers: getRequestHeaders(),
body: JSON.stringify({
"text": inputText,
"voice": voiceId,
})
}
)
if (!response.ok) {
toastr.error(response.statusText, 'TTS Generation Failed');
throw new Error(`HTTP ${response.status}: ${await response.text()}`);
}
return response
}
}