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Write to audioStream only when uploading file

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This commit is contained in:
Hongbo Wu 2022-09-06 17:51:13 +08:00
parent baaa38547a
commit e6a855db43
1 changed files with 3 additions and 4 deletions
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7
packages/text-to-speech/src/textToSpeech.ts
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@ -8,7 +8,6 @@ import {
SpeechSynthesizer,
} from 'microsoft-cognitiveservices-speech-sdk'
import { endSsml, htmlToSsmlItems, ssmlItemText, startSsml } from './htmlToSsml'
import { PassThrough } from 'stream'
export interface TextToSpeechInput {
text: string
@ -40,7 +39,7 @@ export const synthesizeTextToSpeech = async (
throw new Error('Azure Speech Key or Region not set')
}
const textType = input.textType || 'html'
const audioStream = input.audioStream || new PassThrough()
const audioStream = input.audioStream
const speechConfig = SpeechConfig.fromSubscription(
process.env.AZURE_SPEECH_KEY,
process.env.AZURE_SPEECH_REGION
@ -55,7 +54,7 @@ export const synthesizeTextToSpeech = async (
synthesizer.synthesizing = function (s, e) {
// convert arrayBuffer to stream and write to stream
audioStream.write(Buffer.from(e.result.audioData))
audioStream?.write(Buffer.from(e.result.audioData))
}
// The event synthesis completed signals that the synthesis is completed.
@ -157,7 +156,7 @@ export const synthesizeTextToSpeech = async (
throw error
} finally {
console.debug('closing synthesizer')
audioStream.end()
audioStream?.end()
synthesizer.close()
console.debug('synthesizer closed')
}