fix(whisperx): reject unconfigured diarization - #11521
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fix(whisperx): reject unconfigured diarization#11521localai-org-maint-bot wants to merge 1 commit into
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WhisperX silently returned a plain transcript when diarization lacked the Hugging Face token required to load pyannote. Reject that request clearly so callers do not mistake missing speaker labels for a successful diarization. Convert WhisperX seconds to the nanosecond duration unit used by the transcription API. Assisted-by: Codex:gpt-5
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Description
This PR fixes #11520.
WhisperX now rejects diarization requests with a clear
FailedPreconditionwhenHF_TOKENis missing instead of silently returning a transcript without speaker labels. It also converts WhisperX segment timestamps from seconds to LocalAI's nanosecond duration unit.Focused unit tests cover the token requirement and timestamp conversion. The audio-to-text documentation now describes WhisperX diarization setup and the missing-token error.
Notes for Reviewers
Verification:
The full WhisperX backend suite was not run because it installs the backend and downloads real models.
Signed commits