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Feature/precache audio (#609)

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* wip

* fix for establishing vendor etc

* more fixes

* avoid a pre-caching attempt if synth settings change
This commit is contained in:
Dave Horton
2024-01-13 12:51:25 -05:00
committed by GitHub
parent d3d494191f
commit 09a83e3a31
3 changed files with 50 additions and 11 deletions
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32
lib/session/call-session.js
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@@ -19,6 +19,7 @@ const HttpRequestor = require('../utils/http-requestor');
const WsRequestor = require('../utils/ws-requestor');
const {
JAMBONES_INJECT_CONTENT,
JAMBONES_EAGERLY_PRE_CACHE_AUDIO,
AWS_REGION,
} = require('../config');
const BackgroundTaskManager = require('../utils/background-task-manager');
@@ -1330,6 +1331,35 @@ Duration=${duration} `
this.taskIdx = 0;
}
_preCacheAudio(newTasks) {
for (const task of newTasks) {
if (task.name === TaskName.Config && task.hasSynthesizer) {
/* if they change synthesizer settings don't try to precache */
break;
}
if (task.name === TaskName.Say) {
/* identify vendor language, voice, and label */
const vendor = task.synthesizer.vendor && task.synthesizer.vendor !== 'default' ?
task.synthesizer.vendor :
this.speechSynthesisVendor;
const language = task.synthesizer.language && task.synthesizer.language !== 'default' ?
task.synthesizer.language :
this.speechSynthesisLanguage ;
const voice = task.synthesizer.voice && task.synthesizer.voice !== 'default' ?
task.synthesizer.voice :
this.speechSynthesisVoice;
const label = task.synthesizer.label && task.synthesizer.label !== 'default' ?
task.synthesizer.label :
this.speechSynthesisLabel;
this.logger.info({vendor, language, voice, label},
'CallSession:_preCacheAudio - precaching audio for future prompt');
task._synthesizeWithSpecificVendor(this, this.ep, {vendor, language, voice, label, preCache: true})
.catch((err) => this.logger.error(err, 'CallSession:_preCacheAudio - error precaching audio'));
}
}
}
/**
* Append tasks to the current execution stack UNLESS there is a gather in the stack.
* in that case, insert the tasks before the gather AND if the tasks include
@@ -1387,10 +1417,12 @@ Duration=${duration} `
this.replaceApplication(t);
}
else if (JAMBONES_INJECT_CONTENT) {
if (JAMBONES_EAGERLY_PRE_CACHE_AUDIO) this._preCacheAudio(t);
this._injectTasks(t);
this.logger.info({tasks: listTaskNames(this.tasks)}, 'CallSession:_onCommand - updated task list');
}
else {
if (JAMBONES_EAGERLY_PRE_CACHE_AUDIO) this._preCacheAudio(t);
this.tasks.push(...t);
this.logger.info({tasks: listTaskNames(this.tasks)}, 'CallSession:_onCommand - updated task list');
}