()
| 28 | return |
| 29 | } |
| 30 | const processStream = async () => { |
| 31 | try { |
| 32 | if (textToSpeechConfig) { |
| 33 | const credentialId = textToSpeechConfig.credentialId as string |
| 34 | const credentialData = await getCredentialData(credentialId ?? '', options) |
| 35 | |
| 36 | switch (textToSpeechConfig.name) { |
| 37 | case TextToSpeechType.OPENAI_TTS: { |
| 38 | onStart('mp3') |
| 39 | |
| 40 | const openai = new OpenAI({ |
| 41 | apiKey: credentialData.openAIApiKey |
| 42 | }) |
| 43 | |
| 44 | const response = await openai.audio.speech.create( |
| 45 | { |
| 46 | model: 'gpt-4o-mini-tts', |
| 47 | voice: (textToSpeechConfig.voice || 'alloy') as |
| 48 | | 'alloy' |
| 49 | | 'ash' |
| 50 | | 'ballad' |
| 51 | | 'coral' |
| 52 | | 'echo' |
| 53 | | 'fable' |
| 54 | | 'nova' |
| 55 | | 'onyx' |
| 56 | | 'sage' |
| 57 | | 'shimmer', |
| 58 | input: text, |
| 59 | response_format: 'mp3' |
| 60 | }, |
| 61 | { |
| 62 | signal: abortController.signal |
| 63 | } |
| 64 | ) |
| 65 | |
| 66 | const stream = Readable.fromWeb(response.body as unknown as ReadableStream) |
| 67 | if (!stream) { |
| 68 | throw new Error('Failed to get response stream') |
| 69 | } |
| 70 | |
| 71 | await processStreamWithRateLimit(stream, onChunk, onEnd, resolve, reject, 640, 20, abortController, () => { |
| 72 | streamDestroyed = true |
| 73 | }) |
| 74 | break |
| 75 | } |
| 76 | |
| 77 | case TextToSpeechType.ELEVEN_LABS_TTS: { |
| 78 | onStart('mp3') |
| 79 | |
| 80 | const client = new ElevenLabsClient({ |
| 81 | apiKey: credentialData.elevenLabsApiKey |
| 82 | }) |
| 83 | |
| 84 | const response = await client.textToSpeech.stream( |
| 85 | textToSpeechConfig.voice || '21m00Tcm4TlvDq8ikWAM', |
| 86 | { |
| 87 | text: text, |
no test coverage detected