Files
fegger 76611af7e0 M3d: speaker labels via tinydiarize two-pass merge
- whisper-server stack: second container (port 8086) running the
  English-trained small.en-tdrz model with -tdrz; image patched
  (speaker-turn.patch) to expose speaker_turn_next per segment in
  verbose_json like the cli example does
- core/whisper Diarization: merges the tdrz pass's TURN TIMES onto the
  quality transcript as alternating 'Sprecher 1/2:' labels, splitting
  segments when a turn falls inside them; no turns detected = no
  labels (never mislabels); 6 unit tests
- RemoteWhisperEngine gains a diarize flag (sends tinydiarize=true,
  parses speaker_turn_next); WhisperEngine.Segment carries the flag
- RecorderService: optional second pass on the diarize server after the
  final pass; failures keep the unlabeled transcript
- Settings: Diarize server URL (persisted; empty disables)
- validated infrastructure locally: patched image builds, tdrz model
  downloads from akashmjn/tinydiarize-whisper.cpp, speaker_turn_next
  present in responses; synthetic espeak audio does not trigger the
  model's turn tokens — real two-person speech needed for the
  end-to-end check
2026-09-08 17:07:31 +02:00

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YAML

# whisper.cpp inference servers for meetrec, with Vulkan GPU support
# (AMD Radeon AI PRO R9700), reachable over Tailscale.
#
# RENDER_GID=$(getent group render | cut -d: -f3) docker compose up -d --build
#
# Two services:
# whisper-server port 8085 — large-v3, quality transcripts
# whisper-server-tdrz port 8086 — small.en-tdrz, tinydiarize speaker
# turns (English-trained, 2-speaker, best-effort)
#
# The image is patched to expose `speaker_turn_next` per segment in
# verbose_json (speaker-turn.patch); clients merge the turn times onto
# the better transcript as "Sprecher 1/2" labels.
services:
whisper-server:
build: .
image: meetrec-whisper-server:latest
container_name: whisper-server
restart: unless-stopped
environment:
# tiny | base | small | medium | large-v3 (downloads on first start)
MODEL: large-v3
THREADS: 8
HOST: 0.0.0.0 # inside the container; the host bind is below
PORT: 8085
# NO_GPU: 1 # force CPU if the GPU ever misbehaves
volumes:
- ./models:/models # keep downloads across container rebuilds
ports:
- "100.103.83.12:8085:8085" # tailscale-only; see note above
# GPU passthrough: the render group must match the host's GID, hence
# the RENDER_GID env var in the comment at the top of this file.
devices:
- /dev/dri:/dev/dri
group_add:
- video
- "${RENDER_GID:-110}"
healthcheck:
# any HTTP response counts as healthy (the server has no /health)
test: ["CMD-SHELL", "curl -s -o /dev/null http://localhost:8085/ || exit 1"]
interval: 30s
timeout: 5s
retries: 3
start_period: 60s
whisper-server-tdrz:
# tinydiarize variant: English-only small.en-tdrz, used ONLY for its
# speaker-turn timestamps (meetrec merges them onto the better
# transcript from the main server). 2-speaker detection, best-effort
# on non-English audio.
build: .
image: meetrec-whisper-server:latest
container_name: whisper-server-tdrz
restart: unless-stopped
environment:
MODEL: small.en-tdrz
MODEL_URL: https://huggingface.co/akashmjn/tinydiarize-whisper.cpp/resolve/main/ggml-small.en-tdrz.bin
THREADS: 8
HOST: 0.0.0.0
PORT: 8086
TDRZ: 1
volumes:
- ./models:/models # shared with the main server (distinct files)
ports:
- "100.103.83.12:8086:8086" # tailscale-only
devices:
- /dev/dri:/dev/dri
group_add:
- video
- "${RENDER_GID:-110}"
healthcheck:
test: ["CMD-SHELL", "curl -s -o /dev/null http://localhost:8086/ || exit 1"]
interval: 30s
timeout: 5s
retries: 3
start_period: 60s