[M1] Pipeline audio GStreamer : opus/webm → WAV 16kHz mono #78
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module:M0-setup
module:M1-stt
module:M1-stt
module:M2-ai
module:M2-ai
module:M3-rich
module:M3-rich
module:M4-bridge
module:M4-bridge
module:M5-bonus
module:M5-bonus
module:setup
priority:high
priority:high
priority:low
priority:low
priority:medium
priority:medium
type:chore
type:chore
type:feature
type:feature
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Reference
charles/my-fractal#78
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Contexte
Les messages vocaux Matrix arrivent en format opus (dans un container webm). Les moteurs STT attendent du WAV 16kHz mono. Ce ticket couvre la conversion audio et le téléchargement du média depuis Matrix.
Critères d'acceptation
AudioPipeline::download_and_convert(event_id, mxc_uri, client) -> Result<AudioData>media_download)appsrc → matroskademux → opusdec → audioconvert → audioresample → audio/x-raw,rate=16000,channels=1 → wavenc → appsinkm.room.messagetypem.audioetm.voiceviaEventBusauto_transcribe: true: pipeline déclenché automatiquement à la réceptionNotes techniques
gstreamer,gstreamer-appcratesAudioDatarésultant est passé directement auSttEngineconfiguréTranscriptWidget+ bouton Transcrire + mode auto + sélecteur de langue #79Doublon de #7 (pipeline audio GStreamer implémenté via
pipeline.rssur main). Fermeture.