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support fetch tts/stt deepgram models from rest api (#457)

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This commit is contained in:
Hoan Luu Huu
2025-05-28 20:59:02 +07:00
committed by GitHub
parent c7e279d0ee
commit bb5dba7c20
3 changed files with 104 additions and 5 deletions
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lib/utils/speech-utils.js
+50 -4
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@@ -48,6 +48,12 @@ const SttOpenaiLanguagesVoices = require('./speech-data/stt-openai');
const SttModelOpenai = require('./speech-data/stt-model-openai');
const sttModelDeepgram = require('./speech-data/stt-model-deepgram');
function capitalizeFirst(str) {
if (!str) return str;
return str.charAt(0).toUpperCase() + str.slice(1);
}
const testSonioxStt = async(logger, credentials) => {
@@ -636,6 +642,7 @@ function decryptCredential(obj, credential, logger, isObscureKey = true) {
obj.deepgram_stt_uri = o.deepgram_stt_uri;
obj.deepgram_stt_use_tls = o.deepgram_stt_use_tls;
obj.deepgram_tts_uri = o.deepgram_tts_uri;
obj.model_id = o.model_id;
}
else if ('ibm' === obj.vendor) {
const o = JSON.parse(decrypt(credential));
@@ -851,8 +858,47 @@ async function getLanguagesVoicesForNuane(credential, getTtsVoices, logger) {
return tranform(TtsNuanceLanguagesVoices, SttNuanceLanguagesVoices);
}
async function getLanguagesVoicesForDeepgram(credential) {
return tranform(TtsLanguagesDeepgram, SttDeepgramLanguagesVoices, TtsModelDeepgram);
async function getLanguagesVoicesForDeepgram(credential, getTtsVoices, logger) {
if (credential) {
const {model_id, api_key, deepgram_stt_uri, deepgram_tts_uri} = credential;
// currently just fetching STT and TTS models from Deepgram cloud
if (!deepgram_stt_uri && !deepgram_tts_uri) {
const response = await fetch('https://api.deepgram.com/v1/models', {
headers: {
'Authorization': `Token ${api_key}`
}
});
if (!response.ok) {
logger.error({response}, 'Error fetching Deepgram voices');
throw new Error('failed to list voices');
}
const {stt, tts} = await response.json();
let sttLangs = SttDeepgramLanguagesVoices;
const sttModels = Array.from(
new Map(
stt.map((m) => [m.canonical_name, { name: capitalizeFirst(m.canonical_name), value: m.canonical_name }])
).values()
).sort((a, b) => a.name.localeCompare(b.name));
const ttsModels = Array.from(
new Map(
tts.map((m) => [m.canonical_name, { name: capitalizeFirst(m.canonical_name), value: m.canonical_name }])
).values()
).sort((a, b) => a.name.localeCompare(b.name));
// if model_id is not provided, return all models, all voices, all languages
if (!model_id) {
return tranform(TtsLanguagesDeepgram, sttLangs, ttsModels, sttModels);
}
const selectedSttModel = stt.find((m) => m.canonical_name === model_id);
const selectedSttLangs = selectedSttModel ? selectedSttModel.languages : [];
sttLangs = SttDeepgramLanguagesVoices.filter((l) => {
return selectedSttLangs.includes(l.value);
});
return tranform(TtsLanguagesDeepgram, sttLangs, ttsModels, sttModels);
}
}
return tranform(TtsLanguagesDeepgram, SttDeepgramLanguagesVoices,
TtsModelDeepgram, sttModelDeepgram.sort((a, b) => a.name.localeCompare(b.name)));
}
async function getLanguagesVoicesForIbm(credential, getTtsVoices, logger) {
@@ -1072,9 +1118,9 @@ async function getLanguagesVoicesForRimelabs(credential) {
Object.keys(voices).length > 0 ? voices[Object.keys(voices)[0]] : [];
const ttsVoices = Object.entries(modelVoices).map(([key, voices]) => ({
value: key,
name: key.charAt(0).toUpperCase() + key.slice(1),
name: capitalizeFirst(key),
voices: voices.map((v) => ({
name: v.charAt(0).toUpperCase() + v.slice(1),
name: capitalizeFirst(v),
value: v
}))
}));