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fix: dynamically add file extension for transcription workflow. #3367

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fix: dynamically add file extension for transcription workflow. #3367

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19 changes: 14 additions & 5 deletions js/plugins/compat-oai/src/audio.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -231,6 +231,17 @@ export function compatOaiSpeechModelRef<
});
}

export const FILE_TYPE_TO_FILE_NAME_EXTENSION = {
'audio/flac': '.flac',
'audio/mp4': '.mp4',
'audio/mpeg': '.mp3',
'audio/mpga': '.mpga',
'audio/oga': '.oga',
'audio/wav': '.wav',
'audio/webm': '.webm',
'audio/ogg': '.ogg',
};

function toSttRequest(
modelName: string,
request: GenerateRequest,
Expand All @@ -245,11 +256,9 @@ function toSttRequest(
media.url.slice(media.url.indexOf(',') + 1),
'base64'
);
const mediaFile = new File([mediaBuffer], 'input', {
type:
media.contentType ??
media.url.slice('data:'.length, media.url.indexOf(';')),
});
const contentType = media.contentType ?? media.url.slice('data:'.length, media.url.indexOf(';'));
const extension = FILE_TYPE_TO_FILE_NAME_EXTENSION[contentType] || '';
const mediaFile = new File([mediaBuffer], `input${extension}`, {type: contentType});
const {
temperature,
version: modelVersion,
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