feat(whisperx): add whisperx backend for transcription with speaker diarization#8299

Merged

mudler merged 12 commits intomudler:masterfrom

eureka928:feat/whisperx-backend

Feb 2, 2026

Commits on Feb 2, 2026

feat(proto): add speaker field to TranscriptSegment for diarization
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feat(whisperx): add whisperx backend for transcription with diarization
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feat(whisperx): register whisperx backend in Makefile
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feat(whisperx): add whisperx meta and image entries to index.yaml
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ci(whisperx): add build matrix entries for CPU, CUDA 12/13, and ROCm
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fix(whisperx): unpin torch versions and use CPU index for cpu requirements
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fix(whisperx): pin torch ROCm variant to fix CI build failure
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fix(whisperx): pin torch CPU variant to fix uv resolution failure
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fix(whisperx): use unsafe-best-match index strategy to fix uv resolution failure
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fix(whisperx): drop +cpu local version suffix to fix uv resolution failure
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fix(backends): drop +rocm local version suffixes from hipblas requirements to fix uv resolution

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revert: scope hipblas suffix fix to whisperx only

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