Hermann_Kitio
d1c8b548bb
- Gemini batch transcription (no Deepgram live)
- blobToBase64 helper (shared/lib/audio.ts)
- AudioRecorder: remove onChunk, add maxSeconds/onMaxReached auto-submit
- Timer stops at maxSeconds and triggers auto-submission
- EnregistrementEOPage: audioBase64 to backend, fix race condition step=done
- SimulationFlowProvider: submitEoAudio(audioBase64, mimeType, nclcCible)
- MIME normalization (strip codec params)
- Split CORRECTION_EE_TIMEOUT_MS (60s) / CORRECTION_EO_TIMEOUT_MS (120s)
- PresentationGenereeT1Page: localStorage persistence
Typecheck: OK · Tests: 159/159 ✅
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
36 lines
1.2 KiB
TypeScript
36 lines
1.2 KiB
TypeScript
/**
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* Helpers audio partagés — Sprint 4c-3.
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*/
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/**
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* Convertit un Blob en chaîne base64 (sans le préfixe `data:<mime>;base64,`).
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*
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* Utilise FileReader.readAsDataURL puis strip le préfixe avant retour. Le
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* payload audio EO est ensuite envoyé tel quel dans le body JSON de
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* `POST /corrections/eo` (cf. SimulationFlowProvider.submitEoAudio).
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*
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* Reject si le reader émet une erreur ou si le résultat n'est pas une chaîne
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* data URI bien formée.
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*/
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export function blobToBase64(blob: Blob): Promise<string> {
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return new Promise((resolve, reject) => {
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const reader = new FileReader()
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reader.onerror = () => {
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reject(new Error('FileReader: lecture du Blob audio impossible.'))
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}
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reader.onload = () => {
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const result = reader.result
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if (typeof result !== 'string') {
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reject(new Error('FileReader: résultat inattendu (non-string).'))
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return
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}
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const commaIdx = result.indexOf(',')
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if (commaIdx < 0 || !result.startsWith('data:')) {
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reject(new Error('FileReader: résultat non conforme au format data URI.'))
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return
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}
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resolve(result.slice(commaIdx + 1))
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}
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reader.readAsDataURL(blob)
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})
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}
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