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support precache audio with tts stream enabled

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This commit is contained in:
Quan HL
2024-08-12 18:29:01 +07:00
parent 73feadc4c4
commit b6a3fa5081
2 changed files with 33 additions and 11 deletions
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lib/utils.js
+9 -7
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@@ -16,29 +16,31 @@ const debug = require('debug')('jambonz:realtimedb-helpers');
*/
//const nuanceClientMap = new Map();
function makeSynthKey({account_sid = '', vendor, language, voice, engine = '', text}) {
function makeSynthKey({
account_sid = '', vendor, language, voice, engine = '', text,
preCache = false}) {
const hash = crypto.createHash('sha1');
hash.update(`${language}:${vendor}:${voice}:${engine}:${text}`);
const hexHashKey = hash.digest('hex');
const accountKey = account_sid ? `:${account_sid}` : '';
const namespace = vendor.startsWith('custom') ? vendor : getFileExtension(vendor);
const namespace = vendor.startsWith('custom') ? vendor : getFileExtension({vendor, preCache});
const key = `tts${accountKey}:${namespace}:${hexHashKey}`;
return key;
}
function makeFilePath(vendor, key, salt = '') {
const extension = getFileExtension(vendor);
function makeFilePath({vendor, key, salt = '', preCache = false}) {
const extension = getFileExtension({vendor, preCache});
return `${TMP_FOLDER}/${key.replace('tts:', `tts-${salt}`)}.${extension}`;
}
function getFileExtension(vendor) {
function getFileExtension({vendor, preCache = false}) {
const mp3Extension = 'mp3';
const r8Extension = 'r8';
switch (vendor) {
case 'azure':
case 'microsoft':
if (!JAMBONES_DISABLE_TTS_STREAMING || JAMBONES_TTS_TRIM_SILENCE) {
if (!preCache && !JAMBONES_DISABLE_TTS_STREAMING || JAMBONES_TTS_TRIM_SILENCE) {
return r8Extension;
} else {
return mp3Extension;
@@ -46,7 +48,7 @@ function getFileExtension(vendor) {
case 'deepgram':
case 'elevenlabs':
case 'rimlabs':
if (!JAMBONES_DISABLE_TTS_STREAMING) {
if (!preCache && !JAMBONES_DISABLE_TTS_STREAMING) {
return r8Extension;
} else {
return mp3Extension;