mirror of
https://github.com/jambonz/jambonz-feature-server.git
synced 2025-12-20 16:50:39 +00:00
Feature/nuance stt (#185)
* initial changes to gather to support nuance stt * updateSpeechCredentialLastUsed could be called without a speech_credential_sid if credentials are passed in the flow * fix bugname * typo * added handlers for nuance * logging * major refactor of parsing transcriptions * initial support for nuance in transcribe verb * updates from testing * cleanup some tests * update action * typo * gather: start nuance timers after say/play completes * update drachtio-fsrmf * refactor some code * typo * log nuance error detail * timeout handling * typo * handle nuance 413 response when recognition times out * typo in specs.json * add support for nuance resources * fixes and tests for transcribe * remove logging from test * initial support for kryptonEndpoint * try getting access token even when using krypton * typo in kryptonEndpoint property * add support for Nuance tts * parse nuance voice and model for tts * use nuance credentials from db * update to db-helpers@0.7.0 with caching option * add support for azure audio logging in gather/transcribe * sync package-lock.json
This commit is contained in:
Dave Horton
@@ -4,8 +4,10 @@ const {
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TaskPreconditions,
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GoogleTranscriptionEvents,
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AzureTranscriptionEvents,
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AwsTranscriptionEvents
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AwsTranscriptionEvents,
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NuanceTranscriptionEvents
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} = require('../utils/constants');
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const normalizeJambones = require('../utils/normalize-jambones');
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class TaskTranscribe extends Task {
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constructor(logger, opts, parentTask) {
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@@ -13,6 +15,10 @@ class TaskTranscribe extends Task {
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this.preconditions = TaskPreconditions.Endpoint;
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this.parentTask = parentTask;
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const {setChannelVarsForStt, normalizeTranscription} = require('../utils/transcription-utils')(logger);
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this.setChannelVarsForStt = setChannelVarsForStt;
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this.normalizeTranscription = normalizeTranscription;
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this.transcriptionHook = this.data.transcriptionHook;
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this.earlyMedia = this.data.earlyMedia === true || (parentTask && parentTask.earlyMedia);
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@@ -22,39 +28,15 @@ class TaskTranscribe extends Task {
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this.interim = !!recognizer.interim;
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this.separateRecognitionPerChannel = recognizer.separateRecognitionPerChannel;
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/* vad: if provided, we dont connect to recognizer until voice activity is detected */
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const {enable, voiceMs = 0, mode = -1} = recognizer.vad || {};
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this.vad = {enable, voiceMs, mode};
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if (recognizer.vendor === 'nuance') {
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const {clientId, secret} = recognizer.nuanceOptions;
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if (clientId && secret) {
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this.sttCredentials = {client_id: clientId, secret};
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}
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}
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/* google-specific options */
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this.hints = recognizer.hints || [];
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this.hintsBoost = recognizer.hintsBoost;
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this.profanityFilter = recognizer.profanityFilter;
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this.punctuation = !!recognizer.punctuation;
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this.enhancedModel = !!recognizer.enhancedModel;
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this.model = recognizer.model || 'phone_call';
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this.words = !!recognizer.words;
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this.singleUtterance = recognizer.singleUtterance || false;
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this.diarization = !!recognizer.diarization;
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this.diarizationMinSpeakers = recognizer.diarizationMinSpeakers || 0;
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this.diarizationMaxSpeakers = recognizer.diarizationMaxSpeakers || 0;
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this.interactionType = recognizer.interactionType || 'unspecified';
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this.naicsCode = recognizer.naicsCode || 0;
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this.altLanguages = recognizer.altLanguages || [];
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/* aws-specific options */
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this.identifyChannels = !!recognizer.identifyChannels;
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this.vocabularyName = recognizer.vocabularyName;
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this.vocabularyFilterName = recognizer.vocabularyFilterName;
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this.filterMethod = recognizer.filterMethod;
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/* microsoft options */
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this.outputFormat = recognizer.outputFormat || 'simple';
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this.profanityOption = recognizer.profanityOption || 'raw';
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this.requestSnr = recognizer.requestSnr || false;
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this.initialSpeechTimeoutMs = recognizer.initialSpeechTimeoutMs || 0;
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this.azureServiceEndpoint = recognizer.azureServiceEndpoint;
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this.azureSttEndpointId = recognizer.azureSttEndpointId;
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recognizer.hints = recognizer.hints || [];
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recognizer.altLanguages = recognizer.altLanguages || [];
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}
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get name() { return TaskName.Transcribe; }
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@@ -62,21 +44,22 @@ class TaskTranscribe extends Task {
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async exec(cs, {ep, ep2}) {
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super.exec(cs);
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const {updateSpeechCredentialLastUsed} = require('../utils/db-utils')(this.logger, cs.srf);
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const {getNuanceAccessToken} = cs.srf.locals.dbHelpers;
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if (cs.hasGlobalSttHints) {
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const {hints, hintsBoost} = cs.globalSttHints;
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this.hints = this.hints.concat(hints);
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if (!this.hintsBoost && hintsBoost) this.hintsBoost = hintsBoost;
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this.logger.debug({hints: this.hints, hintsBoost: this.hintsBoost},
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'Transcribe:exec - applying global `sttHints');
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this.data.recognizer.hints = this.data.recognizer.hints.concat(hints);
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if (!this.data.recognizer.hintsBoost && hintsBoost) this.data.recognizer.hintsBoost = hintsBoost;
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this.logger.debug({hints: this.data.recognizer.hints, hintsBoost: this.data.recognizer.hintsBoost},
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'Transcribe:exec - applying global sttHints');
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}
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if (cs.hasAltLanguages) {
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this.altLanguages = this.altLanguages.concat(cs.altLanguages);
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this.data.recognizer.altLanguages = this.data.recognizer.altLanguages.concat(cs.altLanguages);
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this.logger.debug({altLanguages: this.altLanguages},
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'Gather:exec - applying altLanguages');
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'Transcribe:exec - applying altLanguages');
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}
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if (cs.hasGlobalSttPunctuation) {
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this.punctuation = cs.globalSttPunctuation;
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if (cs.hasGlobalSttPunctuation && !this.data.recognizer.punctuation) {
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this.data.recognizer.punctuation = cs.globalSttPunctuation;
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}
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this.ep = ep;
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@@ -96,6 +79,16 @@ class TaskTranscribe extends Task {
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}).catch((err) => this.logger.info({err}, 'Error generating alert for no stt'));
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throw new Error('no provisioned speech credentials for TTS');
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}
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if (this.vendor === 'nuance' && this.sttCredentials.client_id) {
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/* get nuance access token */
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const {client_id, secret} = this.sttCredentials;
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const {access_token, servedFromCache} = await getNuanceAccessToken(client_id, secret, 'asr tts');
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this.logger.debug({client_id},
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`Transcribe:exec - got nuance access token ${servedFromCache ? 'from cache' : ''}`);
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this.sttCredentials = {...this.sttCredentials, access_token};
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}
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await this._startTranscribing(cs, ep, 1);
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if (this.separateRecognitionPerChannel && ep2) {
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await this._startTranscribing(cs, ep2, 2);
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@@ -110,13 +103,21 @@ class TaskTranscribe extends Task {
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this.parentTask && this.parentTask.emit('error', err);
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}
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ep.removeCustomEventListener(GoogleTranscriptionEvents.Transcription);
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ep.removeCustomEventListener(GoogleTranscriptionEvents.NoAudioDetected);
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ep.removeCustomEventListener(GoogleTranscriptionEvents.MaxDurationExceeded);
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ep.removeCustomEventListener(GoogleTranscriptionEvents.EndOfUtterance);
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ep.removeCustomEventListener(GoogleTranscriptionEvents.VadDetected);
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ep.removeCustomEventListener(AwsTranscriptionEvents.Transcription);
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ep.removeCustomEventListener(AwsTranscriptionEvents.NoAudioDetected);
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ep.removeCustomEventListener(AwsTranscriptionEvents.MaxDurationExceeded);
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ep.removeCustomEventListener(AwsTranscriptionEvents.VadDetected);
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ep.removeCustomEventListener(AzureTranscriptionEvents.Transcription);
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ep.removeCustomEventListener(AzureTranscriptionEvents.NoSpeechDetected);
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ep.removeCustomEventListener(AzureTranscriptionEvents.VadDetected);
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ep.removeCustomEventListener(NuanceTranscriptionEvents.Transcription);
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ep.removeCustomEventListener(NuanceTranscriptionEvents.TranscriptionComplete);
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ep.removeCustomEventListener(NuanceTranscriptionEvents.StartOfSpeech);
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ep.removeCustomEventListener(NuanceTranscriptionEvents.Error);
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ep.removeCustomEventListener(NuanceTranscriptionEvents.VadDetected);
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}
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async kill(cs) {
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@@ -140,124 +141,53 @@ class TaskTranscribe extends Task {
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}
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async _startTranscribing(cs, ep, channel) {
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const opts = {};
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const opts = this.setChannelVarsForStt(this, this.sttCredentials, this.data.recognizer);
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switch (this.vendor) {
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case 'google':
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this.bugname = 'google_transcribe';
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ep.addCustomEventListener(GoogleTranscriptionEvents.Transcription,
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this._onTranscription.bind(this, cs, ep, channel));
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ep.addCustomEventListener(GoogleTranscriptionEvents.NoAudioDetected,
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this._onNoAudio.bind(this, cs, ep, channel));
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ep.addCustomEventListener(GoogleTranscriptionEvents.MaxDurationExceeded,
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this._onMaxDurationExceeded.bind(this, cs, ep, channel));
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break;
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if (this.vad.enable) {
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opts.START_RECOGNIZING_ON_VAD = 1;
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if (this.vad.voiceMs) opts.RECOGNIZER_VAD_VOICE_MS = this.vad.voiceMs;
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if (this.vad.mode >= 0 && this.vad.mode <= 3) opts.RECOGNIZER_VAD_MODE = this.vad.mode;
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case 'aws':
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case 'polly':
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this.bugname = 'aws_transcribe';
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ep.addCustomEventListener(AwsTranscriptionEvents.Transcription,
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this._onTranscription.bind(this, cs, ep, channel));
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ep.addCustomEventListener(AwsTranscriptionEvents.NoAudioDetected,
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this._onNoAudio.bind(this, cs, ep, channel));
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ep.addCustomEventListener(AwsTranscriptionEvents.MaxDurationExceeded,
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this._onMaxDurationExceeded.bind(this, cs, ep, channel));
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break;
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case 'microsoft':
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this.bugname = 'azure_transcribe';
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ep.addCustomEventListener(AzureTranscriptionEvents.Transcription,
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this._onTranscription.bind(this, cs, ep, channel));
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ep.addCustomEventListener(AzureTranscriptionEvents.NoSpeechDetected,
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this._onNoAudio.bind(this, cs, ep, channel));
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break;
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case 'nuance':
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this.bugname = 'nuance_transcribe';
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ep.addCustomEventListener(NuanceTranscriptionEvents.Transcription,
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this._onTranscription.bind(this, cs, ep, channel));
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ep.addCustomEventListener(NuanceTranscriptionEvents.StartOfSpeech,
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this._onStartOfSpeech.bind(this, cs, ep, channel));
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ep.addCustomEventListener(NuanceTranscriptionEvents.TranscriptionComplete,
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this._onTranscriptionComplete.bind(this, cs, ep, channel));
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ep.addCustomEventListener(AzureTranscriptionEvents.Error,
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this._onNuanceError.bind(this, cs, ep, channel));
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break;
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default:
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throw new Error(`Invalid vendor ${this.vendor}`);
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}
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ep.addCustomEventListener(GoogleTranscriptionEvents.Transcription,
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this._onTranscription.bind(this, cs, ep, channel));
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ep.addCustomEventListener(GoogleTranscriptionEvents.NoAudioDetected, this._onNoAudio.bind(this, cs, ep, channel));
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ep.addCustomEventListener(GoogleTranscriptionEvents.MaxDurationExceeded,
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this._onMaxDurationExceeded.bind(this, cs, ep, channel));
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ep.addCustomEventListener(AwsTranscriptionEvents.Transcription, this._onTranscription.bind(this, cs, ep, channel));
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ep.addCustomEventListener(AwsTranscriptionEvents.NoAudioDetected, this._onNoAudio.bind(this, cs, ep, channel));
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ep.addCustomEventListener(AwsTranscriptionEvents.MaxDurationExceeded,
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this._onMaxDurationExceeded.bind(this, cs, ep, channel));
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ep.addCustomEventListener(AzureTranscriptionEvents.Transcription,
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this._onTranscription.bind(this, cs, ep, channel));
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ep.addCustomEventListener(AzureTranscriptionEvents.NoSpeechDetected, this._onNoAudio.bind(this, cs, ep, channel));
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await ep.set(opts)
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.catch((err) => this.logger.info(err, 'Error setting channel variables'));
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if (this.vendor === 'google') {
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this.bugname = 'google_transcribe';
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if (this.sttCredentials) opts.GOOGLE_APPLICATION_CREDENTIALS = JSON.stringify(this.sttCredentials.credentials);
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[
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['enhancedModel', 'GOOGLE_SPEECH_USE_ENHANCED'],
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//['separateRecognitionPerChannel', 'GOOGLE_SPEECH_SEPARATE_RECOGNITION_PER_CHANNEL'],
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['profanityFilter', 'GOOGLE_SPEECH_PROFANITY_FILTER'],
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['punctuation', 'GOOGLE_SPEECH_ENABLE_AUTOMATIC_PUNCTUATION'],
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['words', 'GOOGLE_SPEECH_ENABLE_WORD_TIME_OFFSETS'],
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['singleUtterance', 'GOOGLE_SPEECH_SINGLE_UTTERANCE'],
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['diarization', 'GOOGLE_SPEECH_PROFANITY_FILTER']
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].forEach((arr) => {
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if (this[arr[0]]) opts[arr[1]] = true;
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else if (this[arr[0]] === false) opts[arr[1]] = false;
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});
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if (this.hints.length > 0) {
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opts.GOOGLE_SPEECH_HINTS = this.hints.join(',');
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if (typeof this.hintsBoost === 'number') {
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opts.GOOGLE_SPEECH_HINTS_BOOST = this.hintsBoost;
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}
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}
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if (this.altLanguages.length > 0) opts.GOOGLE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = this.altLanguages.join(',');
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else opts.GOOGLE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = '';
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if ('unspecified' !== this.interactionType) {
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opts.GOOGLE_SPEECH_METADATA_INTERACTION_TYPE = this.interactionType;
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}
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opts.GOOGLE_SPEECH_MODEL = this.model;
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if (this.diarization && this.diarizationMinSpeakers > 0) {
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opts.GOOGLE_SPEECH_SPEAKER_DIARIZATION_MIN_SPEAKER_COUNT = this.diarizationMinSpeakers;
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}
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if (this.diarization && this.diarizationMaxSpeakers > 0) {
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opts.GOOGLE_SPEECH_SPEAKER_DIARIZATION_MAX_SPEAKER_COUNT = this.diarizationMaxSpeakers;
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}
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if (this.naicsCode > 0) opts.GOOGLE_SPEECH_METADATA_INDUSTRY_NAICS_CODE = this.naicsCode;
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await ep.set(opts)
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.catch((err) => this.logger.info(err, 'TaskTranscribe:_startTranscribing with google'));
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}
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else if (this.vendor === 'aws') {
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this.bugname = 'aws_transcribe';
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[
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['diarization', 'AWS_SHOW_SPEAKER_LABEL'],
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['identifyChannels', 'AWS_ENABLE_CHANNEL_IDENTIFICATION']
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].forEach((arr) => {
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if (this[arr[0]]) opts[arr[1]] = true;
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});
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if (this.vocabularyName) opts.AWS_VOCABULARY_NAME = this.vocabularyName;
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if (this.vocabularyFilterName) {
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opts.AWS_VOCABULARY_NAME = this.vocabularyFilterName;
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opts.AWS_VOCABULARY_FILTER_METHOD = this.filterMethod || 'mask';
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}
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if (this.sttCredentials) {
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Object.assign(opts, {
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AWS_ACCESS_KEY_ID: this.sttCredentials.accessKeyId,
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AWS_SECRET_ACCESS_KEY: this.sttCredentials.secretAccessKey,
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AWS_REGION: this.sttCredentials.region
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});
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}
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else {
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Object.assign(opts, {
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AWS_ACCESS_KEY_ID: process.env.AWS_ACCESS_KEY_ID,
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AWS_SECRET_ACCESS_KEY: process.env.AWS_SECRET_ACCESS_KEY,
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AWS_REGION: process.env.AWS_REGION
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});
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}
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await ep.set(opts)
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.catch((err) => this.logger.info(err, 'TaskTranscribe:_startTranscribing with aws'));
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}
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else if (this.vendor === 'microsoft') {
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this.bugname = 'azure_transcribe';
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const {api_key, region, use_custom_stt, custom_stt_endpoint} = this.sttCredentials;
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Object.assign(opts, {
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'AZURE_SUBSCRIPTION_KEY': api_key,
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'AZURE_REGION': region
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});
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if (this.azureSttEndpointId) {
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Object.assign(opts, {'AZURE_SERVICE_ENDPOINT_ID': this.azureSttEndpointId});
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}
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else if (use_custom_stt && custom_stt_endpoint) {
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Object.assign(opts, {'AZURE_SERVICE_ENDPOINT_ID': custom_stt_endpoint});
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}
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if (this.hints && this.hints.length > 0) {
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opts.AZURE_SPEECH_HINTS = this.hints.map((h) => h.trim()).join(',');
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}
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if (this.altLanguages.length > 0) opts.AZURE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = this.altLanguages.join(',');
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else opts.AZURE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = '';
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if (this.requestSnr) opts.AZURE_REQUEST_SNR = 1;
|
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if (this.profanityOption !== 'raw') opts.AZURE_PROFANITY_OPTION = this.profanityOption;
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if (this.initialSpeechTimeoutMs > 0) opts.AZURE_INITIAL_SPEECH_TIMEOUT_MS = this.initialSpeechTimeoutMs;
|
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if (this.outputFormat !== 'simple') opts.AZURE_USE_OUTPUT_FORMAT_DETAILED = 1;
|
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if (this.azureServiceEndpoint) opts.AZURE_SERVICE_ENDPOINT = this.azureServiceEndpoint;
|
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|
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await ep.set(opts)
|
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.catch((err) => this.logger.info(err, 'TaskTranscribe:_startTranscribing with azure'));
|
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}
|
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await this._transcribe(ep);
|
||||
}
|
||||
|
||||
@@ -271,50 +201,43 @@ class TaskTranscribe extends Task {
|
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});
|
||||
}
|
||||
|
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_onTranscription(cs, ep, channel, evt, fsEvent) {
|
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async _onTranscription(cs, ep, channel, evt, fsEvent) {
|
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// make sure this is not a transcript from answering machine detection
|
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const bugname = fsEvent.getHeader('media-bugname');
|
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if (bugname && this.bugname !== bugname) return;
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|
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this.logger.debug({evt, channel}, 'TaskTranscribe:_onTranscription');
|
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if ('aws' === this.vendor && Array.isArray(evt) && evt.length > 0) evt = evt[0];
|
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if ('microsoft' === this.vendor) {
|
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const nbest = evt.NBest;
|
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const language_code = evt.PrimaryLanguage?.Language || this.language;
|
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const alternatives = nbest ? nbest.map((n) => {
|
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return {
|
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confidence: n.Confidence,
|
||||
transcript: n.Display
|
||||
};
|
||||
}) :
|
||||
[
|
||||
{
|
||||
transcript: evt.DisplayText || evt.Text
|
||||
}
|
||||
];
|
||||
this.logger.debug({evt}, 'TaskTranscribe:_onTranscription - before normalization');
|
||||
|
||||
const newEvent = {
|
||||
is_final: evt.RecognitionStatus === 'Success',
|
||||
channel,
|
||||
language_code,
|
||||
alternatives
|
||||
};
|
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evt = newEvent;
|
||||
}
|
||||
evt = this.normalizeTranscription(evt, this.vendor, channel, this.language);
|
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|
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this.logger.debug({evt}, 'TaskTranscribe:_onTranscription');
|
||||
|
||||
if (evt.alternatives[0].transcript === '' && !cs.callGone && !this.killed) {
|
||||
this.logger.info({evt}, 'TaskGather:_onTranscription - got empty transcript, listen again');
|
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return this._transcribe(ep);
|
||||
}
|
||||
|
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evt.channel_tag = channel;
|
||||
|
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if (this.transcriptionHook) {
|
||||
const b3 = this.getTracingPropagation();
|
||||
const httpHeaders = b3 && {b3};
|
||||
this.cs.requestor.request('verb:hook', this.transcriptionHook,
|
||||
Object.assign({speech: evt}, this.cs.callInfo), httpHeaders)
|
||||
.catch((err) => this.logger.info(err, 'TranscribeTask:_onTranscription error'));
|
||||
try {
|
||||
const json = await this.cs.requestor.request('verb:hook', this.transcriptionHook, {
|
||||
...this.cs.callInfo,
|
||||
...httpHeaders,
|
||||
speech: evt
|
||||
});
|
||||
this.logger.info({json}, 'sent transcriptionHook');
|
||||
if (json && Array.isArray(json) && !this.parentTask) {
|
||||
const makeTask = require('./make_task');
|
||||
const tasks = normalizeJambones(this.logger, json).map((tdata) => makeTask(this.logger, tdata));
|
||||
if (tasks && tasks.length > 0) {
|
||||
this.logger.info({tasks: tasks}, `${this.name} replacing application with ${tasks.length} tasks`);
|
||||
this.cs.replaceApplication(tasks);
|
||||
}
|
||||
}
|
||||
} catch (err) {
|
||||
this.logger.info(err, 'TranscribeTask:_onTranscription error');
|
||||
}
|
||||
}
|
||||
if (this.parentTask) {
|
||||
this.parentTask.emit('transcription', evt);
|
||||
|
||||
Reference in New Issue
Block a user