Files
ARIA-AGENT/xtts/voxtral/bridge.py
T
duffyduckandClaude Opus 4.8 a8ff73f93d feat(speaker-id): Gating als bewusster Schalter — Default AUS (fail-open)
Stefans Repro "nichts geht mehr" kam NICHT von den Marker/Guard-Aenderungen,
sondern von der Speaker-ID: die Bridge-Logs zeigten fast durchgehend
"stt_endpoint mit leerem Text — ignoriert (reason=speaker_mismatch)" — ein aus
einem kaputten Enroll (AAC-als-PCM) entstandener Muell-Fingerprint hat Stefans
EIGENE Stimme abgelehnt und damit die komplette STT lahmgelegt.

Fix: Speaker-ID-Gating ist jetzt ein expliziter Schalter, Default AUS. Bei aus
laeuft die Pruefung GAR NICHT (fail-open, alle Stimmen durch) — ein schlechter
Enroll kann nie wieder alles abwuergen. Damit ist Stefans Problem schon durch den
Voxtral-Rebuild geloest (kein Loeschen noetig, der Check greift einfach nicht).

- voxtral + whisper bridge: SPEAKER_ID_ENABLED (Default False, ENV VOICE_ID_ENABLED),
  _check_speaker faellt bei aus sofort fail-open zurueck; config-Broadcast
  voiceIdEnabled setzt es zur Laufzeit.
- diagnostic: Schalter "Nur meine Stimme" in der Voice-ID-Sektion (Default aus,
  Hinweis: erst an wenn enrollt), broadcastet + persistiert voiceIdEnabled.

Reihenfolge lt. Stefan: erst Konversation sauber, dann Multi-Person/nur-ich.

Deploy: docker compose up -d --build voxtral-bridge; aria-diagnostic neu starten.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-16 01:00:58 +02:00

586 lines
26 KiB
Python

#!/usr/bin/env python3
"""
ARIA Voxtral-STT-3B Bridge (Transformers) — Ersatz fuer whisper.
Laeuft auf Treiber 550/CUDA 12.4 via torch cu124 (kein Treiber-Upgrade noetig).
Modell: Voxtral-Mini-3B-2507 (bf16, ~9 GB) → GPU 1 (12 GB, per Compose gepinnt).
Arbeitsweise = Zwilling der whisper-Bridge: App schickt live PCM-Chunks; wir
transkribieren alle ~STREAM_TRANSCRIBE_INTERVAL_MS auf dem Ringbuffer (Partials)
und feuern stt_endpoint, sobald der ADAPTIVE Endpointer (Rausch-Boden-VAD +
semantische Stagnation, aus M0.1) "fertig" sagt. RVS-Wire-Protokoll identisch zu
whisper → drop-in (die App merkt nur bessere Genauigkeit).
⚠️ VERIFY-ON-FIRST-RUN: Die exakte Transformers-Transkriptions-API von Voxtral
(apply_transcription_request / generate / decode) ist unten in EINER Methode
(VoxtralRunner._transcribe_blocking) gekapselt und nach dem HF-Modelcard-Muster
modelliert. Beim ersten echten Lauf gegen die Voxtral-Modelcard pruefen und dort
anpassen. Alles andere (RVS, Endpointer) ist bewaehrt.
Env:
RVS_HOST, RVS_PORT, RVS_TLS, RVS_TLS_FALLBACK, RVS_TOKEN
VOXTRAL_MODEL Default: mistralai/Voxtral-Mini-3B-2507
VOXTRAL_LANGUAGE Default: de
VOXTRAL_DEVICE Default: cuda
STREAM_TRANSCRIBE_INTERVAL_MS Default 1000 (3B ist schwerer als whisper-small)
"""
import asyncio
import base64
import json
import logging
import os
import tempfile
import time
from dataclasses import dataclass, field
from typing import Optional
import numpy as np
import soundfile as sf
import websockets
import speaker_id # Speaker-ID (nur Stefans Stimme) — portiert aus der whisper-Bridge
logging.basicConfig(
level=logging.INFO,
format="%(asctime)s [%(levelname)s] %(message)s",
datefmt="%H:%M:%S",
)
logger = logging.getLogger("voxtral-bridge")
RVS_HOST = os.getenv("RVS_HOST", "").strip()
RVS_PORT = int(os.getenv("RVS_PORT", "443"))
RVS_TLS = os.getenv("RVS_TLS", "true").lower() == "true"
RVS_TLS_FALLBACK = os.getenv("RVS_TLS_FALLBACK", "true").lower() == "true"
RVS_TOKEN = os.getenv("RVS_TOKEN", "").strip()
VOXTRAL_MODEL = os.getenv("VOXTRAL_MODEL", "mistralai/Voxtral-Mini-3B-2507")
VOXTRAL_LANGUAGE = os.getenv("VOXTRAL_LANGUAGE", "de")
VOXTRAL_DEVICE = os.getenv("VOXTRAL_DEVICE", "cuda")
STREAM_TRANSCRIBE_INTERVAL_MS = int(os.getenv("STREAM_TRANSCRIBE_INTERVAL_MS", "1000"))
STREAM_DEFAULT_ENDPOINT_MS = 2400
STREAM_DEFAULT_HARD_CAP_MS = 300000
STREAM_MIN_AUDIO_MS = 600
STREAM_SPEAKER_CHECK_MS = 1500 # ab so viel Audio einmalig Speaker-ID pruefen
STREAM_SESSION_TTL_S = 120
STREAM_ENERGY_WINDOW_MS = 300
STREAM_SEMANTIC_BACKUP_FACTOR = 2.0
# Adaptiver Voice-Schwellwert (M0.1): relativ zum gemessenen Rausch-Boden.
STREAM_VOICE_FACTOR = 2.5
STREAM_VOICE_RMS_MIN = 0.005
STREAM_VOICE_RMS_MAX = 0.020
# Mindest-Stimme (in ~200ms-Endpointer-Frames), ab der eine Aufnahme ueberhaupt
# als Sprache gilt. Darunter = Stille / kurzer Geraeusch-Blip → KEIN Transkript
# (Voxtral halluziniert aus Fast-Nichts sonst einen Fuellsatz). 2 ≈ 400ms.
STREAM_MIN_VOICED_FRAMES = int(os.getenv("STREAM_MIN_VOICED_FRAMES", "2"))
# Speaker-ID Gating global an/aus. DEFAULT AUS (fail-open) — die "nur meine Stimme"-
# Pruefung ist ein BEWUSSTER Schalter, kein Automatismus: ein einziger schlechter
# Enroll darf nie die ganze STT lahmlegen (genau das ist passiert). Wird per config-
# Broadcast (voiceIdEnabled, aus dem Diagnostic) zur Laufzeit gesetzt. Kann per ENV
# vorbelegt werden.
SPEAKER_ID_ENABLED = os.getenv("VOICE_ID_ENABLED", "false").lower() in ("1", "true", "yes")
def _set_speaker_id_enabled(val: bool) -> None:
global SPEAKER_ID_ENABLED
SPEAKER_ID_ENABLED = bool(val)
def pcm_s16le_to_float32(data: bytes) -> np.ndarray:
if not data:
return np.zeros(0, dtype=np.float32)
return np.frombuffer(data, dtype=np.int16).astype(np.float32) / 32768.0
async def _send(ws, mtype: str, payload: dict) -> None:
try:
await ws.send(json.dumps({
"type": mtype, "payload": payload, "timestamp": int(time.time() * 1000),
}))
except Exception as e:
logger.warning("RVS-Send fehlgeschlagen (%s): %s", mtype, e)
class VoxtralRunner:
"""Haelt das Voxtral-Modell (Transformers). transcribe() blockiert → aus dem
Event-Loop via run_in_executor aufrufen. Ein Lock serialisiert GPU-Zugriffe."""
def __init__(self) -> None:
self.model = None
self.processor = None
self._lock = asyncio.Lock()
def load(self) -> None:
import torch
from transformers import AutoProcessor, VoxtralForConditionalGeneration
t0 = time.time()
logger.info("Lade Voxtral '%s' (device=%s, bf16)…", VOXTRAL_MODEL, VOXTRAL_DEVICE)
self.processor = AutoProcessor.from_pretrained(VOXTRAL_MODEL)
self.model = VoxtralForConditionalGeneration.from_pretrained(
VOXTRAL_MODEL, torch_dtype=torch.bfloat16, device_map=VOXTRAL_DEVICE,
)
logger.info("Voxtral geladen in %.1fs", time.time() - t0)
def _transcribe_blocking(self, audio_f32: np.ndarray, language: str) -> str:
import torch
proc, model = self.processor, self.model
if proc is None or model is None or audio_f32.size == 0:
return ""
# VoxtralProcessor verlangt bei rohen Arrays ein 'format'. Robuster:
# in ein temp-WAV schreiben und den PFAD uebergeben — der Processor liest
# Format + Samplerate selbst, kein 'format'-Argument noetig.
wav_path = None
try:
with tempfile.NamedTemporaryFile(suffix=".wav", delete=False) as tf:
wav_path = tf.name
sf.write(wav_path, audio_f32, 16000, subtype="PCM_16")
inputs = proc.apply_transcription_request(
language=language, audio=wav_path, model_id=VOXTRAL_MODEL,
)
inputs = inputs.to(VOXTRAL_DEVICE, dtype=torch.bfloat16)
with torch.no_grad():
# hoch genug fuer lange Diktate (stoppt eh am EOS); 512 hat
# mehrminutige Aufnahmen abgeschnitten.
outputs = model.generate(**inputs, max_new_tokens=4096)
trimmed = outputs[:, inputs.input_ids.shape[1]:]
text = proc.batch_decode(trimmed, skip_special_tokens=True)
return (text[0] if text else "").strip()
finally:
if wav_path:
try:
os.unlink(wav_path)
except Exception:
pass
async def transcribe(self, audio_f32: np.ndarray, language: str) -> str:
loop = asyncio.get_running_loop()
async with self._lock:
return await loop.run_in_executor(None, self._transcribe_blocking, audio_f32, language)
@dataclass
class StreamSession:
request_id: str
audio_request_id: str
language: str
endpoint_ms: int
hard_cap_ms: int
voice: str = ""
speed: float = 1.0
interrupted: bool = False
location: Optional[dict] = None
sample_rate: int = 16000
voice_factor: float = STREAM_VOICE_FACTOR
voice_rms_min: float = STREAM_VOICE_RMS_MIN
voice_rms_max: float = STREAM_VOICE_RMS_MAX
pcm_buffer: bytearray = field(default_factory=bytearray)
started_at: float = field(default_factory=time.time)
last_chunk_at: float = field(default_factory=time.time)
last_partial: str = ""
last_growth_at: float = 0.0
last_transcribe_at: float = 0.0
last_voice_at: float = 0.0
noise_floor: float = 0.0
closed: bool = False
endpoint_sent: bool = False
# Einmaliges "Sprache erkannt"-Signal an die App gesendet? Voxtral schickt
# keine Live-Partials, aber der App-No-Speech-Watchdog wartet auf ein
# stt_partial, um "der User redet" zu erkennen — sonst cancelt er mitten im
# Satz. Wir feuern EIN leeres stt_partial beim ersten Voice-Frame.
speech_signaled: bool = False
# Anzahl Endpointer-Frames (~200ms) mit echter Stimme. Gate gegen Halluzination
# aus Stille/Blips: unter STREAM_MIN_VOICED_FRAMES wird nicht transkribiert.
voiced_frames: int = 0
# Speaker-ID Gating (einmalig auf die ersten ~1.5s der Aufnahme)
speaker_checked: bool = False
speaker_match: Optional[bool] = None
speaker_similarity: float = 0.0
class SessionManager:
def __init__(self, runner: VoxtralRunner) -> None:
self.runner = runner
self._sessions: dict[str, StreamSession] = {}
self._ws = None
def attach_ws(self, ws) -> None:
self._ws = ws
def start_session(self, payload: dict) -> None:
rid = (payload.get("requestId") or "").strip()
if not rid:
return
try:
endpoint_ms = int(payload.get("endpointMs") or STREAM_DEFAULT_ENDPOINT_MS)
except (TypeError, ValueError):
endpoint_ms = STREAM_DEFAULT_ENDPOINT_MS
try:
hard_cap_ms = int(payload.get("hardCapMs") or STREAM_DEFAULT_HARD_CAP_MS)
except (TypeError, ValueError):
hard_cap_ms = STREAM_DEFAULT_HARD_CAP_MS
try:
voice_factor = float(payload.get("voiceFactor") or STREAM_VOICE_FACTOR)
except (TypeError, ValueError):
voice_factor = STREAM_VOICE_FACTOR
self._sessions[rid] = StreamSession(
request_id=rid,
audio_request_id=payload.get("audioRequestId", "") or "",
language=payload.get("language") or VOXTRAL_LANGUAGE,
endpoint_ms=endpoint_ms,
hard_cap_ms=hard_cap_ms,
voice=payload.get("voice", "") or "",
speed=float(payload.get("speed") or 1.0),
voice_factor=voice_factor,
interrupted=bool(payload.get("interrupted", False)),
location=payload.get("location") or None,
sample_rate=int(payload.get("sampleRate") or 16000),
)
logger.info("Voxtral-Session offen: id=%s lang=%s endpointMs=%d",
rid[:8], self._sessions[rid].language, endpoint_ms)
def feed_chunk(self, payload: dict) -> bool:
sess = self._sessions.get(payload.get("requestId", ""))
if sess is None or sess.closed:
return False
pcm_b64 = payload.get("pcm", "")
if pcm_b64:
try:
sess.pcm_buffer.extend(base64.b64decode(pcm_b64))
except Exception:
pass
sess.last_chunk_at = time.time()
return True
def end_session(self, request_id: str) -> None:
sess = self._sessions.get(request_id)
if sess is not None:
sess.closed = True
def drop(self, request_id: str) -> None:
self._sessions.pop(request_id, None)
# ── Endpointer (adaptiv, M0.1) ──
def _buffer_ms(self, sess: StreamSession) -> float:
samples = len(sess.pcm_buffer) // 2
return (samples / sess.sample_rate) * 1000.0 if samples else 0.0
def _tail_rms(self, sess: StreamSession) -> float:
win = int(sess.sample_rate * STREAM_ENERGY_WINDOW_MS / 1000) * 2
if win <= 0:
return 0.0
tail = sess.pcm_buffer[-win:]
if len(tail) < 2:
return 0.0
arr = pcm_s16le_to_float32(bytes(tail))
return float(np.sqrt(np.mean(arr * arr))) if arr.size else 0.0
def _voice_threshold(self, sess: StreamSession) -> float:
nf = sess.noise_floor
if nf <= 0.0:
return sess.voice_rms_min
return min(max(nf * sess.voice_factor, sess.voice_rms_min), sess.voice_rms_max)
def _update_noise_floor(self, sess: StreamSession, rms: float) -> None:
nf = sess.noise_floor
if nf <= 0.0:
sess.noise_floor = rms
elif rms < nf:
sess.noise_floor = 0.90 * nf + 0.10 * rms
else:
sess.noise_floor = 0.98 * nf + 0.02 * rms
async def _check_speaker(self, sess: StreamSession) -> None:
"""Einmalig: erste ~1.5s → Embedding → Vergleich mit Fingerprint.
Ohne Fingerprint fail-open (match=True). Bei Mismatch: Session beenden."""
sess.speaker_checked = True
# Schalter aus (Default) → gar keine Pruefung, alles durchlassen.
if not SPEAKER_ID_ENABLED:
sess.speaker_match = True
return
head = bytes(sess.pcm_buffer[: STREAM_SPEAKER_CHECK_MS * 32])
if len(head) < speaker_id.MIN_SAMPLE_BYTES:
sess.speaker_match = True
return
try:
loop = asyncio.get_running_loop()
is_match, sim = await loop.run_in_executor(None, speaker_id.verify, head)
except Exception as exc:
logger.warning("Stream %s: speaker-check crashed (%s) — fail-open",
sess.request_id[:8], exc)
sess.speaker_match = True
return
sess.speaker_match = is_match
sess.speaker_similarity = sim
logger.info("Stream %s: speaker-check sim=%.2f%s (thr=%.2f)",
sess.request_id[:8], sim, "MATCH" if is_match else "REJECT",
speaker_id.DEFAULT_THRESHOLD)
if not is_match:
await self._finalize_speaker_mismatch(sess, sim)
async def _finalize_speaker_mismatch(self, sess: StreamSession, similarity: float) -> None:
"""Fremde Stimme: synthetisches leeres stt_endpoint (reason=speaker_mismatch),
Session droppen — kein Voxtral-Transcribe, kein Brain-Call."""
if sess.endpoint_sent:
return
sess.endpoint_sent = True
duration_s = self._buffer_ms(sess) / 1000.0
logger.info("Stream %s: speaker-mismatch (sim=%.2f) — DROP nach %.1fs",
sess.request_id[:8], similarity, duration_s)
if self._ws is not None:
payload = {
"requestId": sess.request_id,
"audioRequestId": sess.audio_request_id,
"text": "", "reason": "speaker_mismatch",
"durationS": duration_s, "sttMs": 0,
"voice": sess.voice, "speed": sess.speed,
"interrupted": sess.interrupted,
"speakerSimilarity": float(similarity),
}
if sess.location:
payload["location"] = sess.location
await _send(self._ws, "stt_endpoint", payload)
await _send(self._ws, "stt_stream_done", {
"requestId": sess.request_id,
"audioRequestId": sess.audio_request_id,
"text": "", "reason": "speaker_mismatch",
})
self.drop(sess.request_id)
async def run_endpointer(self) -> None:
logger.info("Voxtral-Endpointer gestartet (adaptiver VAD, interval=%dms)",
STREAM_TRANSCRIBE_INTERVAL_MS)
while True:
await asyncio.sleep(0.2)
now = time.time()
for sid, sess in list(self._sessions.items()):
try:
await self._tick(sess, now)
except Exception:
logger.exception("Tick crashed (session=%s)", sid[:8])
for sid, sess in list(self._sessions.items()):
if now - sess.last_chunk_at > STREAM_SESSION_TTL_S:
logger.info("Stream %s: TTL — drop", sid[:8])
self.drop(sid)
async def _tick(self, sess: StreamSession, now: float) -> None:
if sess.endpoint_sent:
return
if (now - sess.started_at) * 1000.0 > sess.hard_cap_ms and not sess.closed:
await self._finalize(sess, "hardcap")
return
if sess.closed:
await self._finalize(sess, "stream_end")
return
if self._buffer_ms(sess) < STREAM_MIN_AUDIO_MS:
return
# Speaker-ID einmalig: ist es Stefans Stimme? Fremde → Session verwerfen
# (kein Transcribe, kein Brain-Call). Ohne Enrollment fail-open.
if not sess.speaker_checked and self._buffer_ms(sess) >= STREAM_SPEAKER_CHECK_MS:
await self._check_speaker(sess)
if sess.speaker_match is False:
return
# Adaptive akustische Sprach-Aktivitaet (M0.1). KEINE Live-Partials mehr:
# Voxtral-3B transkribiert den ganzen WACHSENDEN Buffer und braucht dafuer
# bei langen Aufnahmen 5-6 s — zu langsam fuer Live-Text, UND diese Latenz
# hat den semantischen Endpoint faelschlich ausgeloest (Partial-Latenz >
# Timeout → willkuerliche Abbrueche nach 20-40 s). Deshalb: Turn-Ende rein
# AKUSTISCH, transkribiert wird nur EINMAL im _finalize.
rms = self._tail_rms(sess)
if rms >= self._voice_threshold(sess):
sess.last_voice_at = now
sess.voiced_frames += 1
# Einmalig der App melden, dass Sprache begonnen hat — aber ERST ab genug
# echter Stimme (>= STREAM_MIN_VOICED_FRAMES). Ein einzelner Geraeusch-
# Blip darf den No-Speech-Watchdog NICHT loeschen, sonst transkribiert
# Voxtral das Fast-Nichts und HALLUZINIERT einen Phantom-Satz. Ohne Live-
# Partials wuerde der Watchdog die Aufnahme sonst am Konversationsfenster
# canceln, obwohl der User redet ("beendet nach ~4s"-Repro). Leeres
# stt_partial: App setzt streamGotPartial=true + loescht den Watchdog.
# Nach der Speaker-ID-Pruefung (oben) → fremde Stimmen signalisieren NICHT.
if (not sess.speech_signaled and self._ws is not None
and sess.voiced_frames >= STREAM_MIN_VOICED_FRAMES):
sess.speech_signaled = True
await _send(self._ws, "stt_partial", {
"requestId": sess.request_id,
"audioRequestId": sess.audio_request_id,
"text": "",
})
else:
self._update_noise_floor(sess, rms)
# Endpoint: hat der User schon gesprochen UND ist es seit endpoint_ms still?
if sess.last_voice_at > 0 and (now - sess.last_voice_at) * 1000.0 >= sess.endpoint_ms:
await self._finalize(sess, "endpoint")
async def _finalize(self, sess: StreamSession, reason: str) -> None:
if sess.endpoint_sent:
return
sess.endpoint_sent = True
# Halluzinations-Guard: zu wenig echte Stimme (Stille / kurzer Blip im
# Passiv-/Wake-Fenster) → NICHT transkribieren. Voxtral (wie Whisper) baut
# aus Fast-Nichts gern einen Fuellsatz ("keine Ahnung" o.ae.), der dann als
# PHANTOM-Nachricht ans Brain geht und das Gespraech entgleisen laesst
# (Stefans Repro: "kam Nachricht von mir, obwohl ich nichts sagte"). Leeres
# Endpoint = no-speech → App re-armt still. Der manuelle Stop (stream_end)
# ist ausgenommen: dort hat der User bewusst gesprochen (kurze Woerter ok).
if reason != "stream_end" and sess.voiced_frames < STREAM_MIN_VOICED_FRAMES:
logger.info("Stream %s: no-speech (voiced_frames=%d<%d, reason=%s) — leeres Endpoint",
sess.request_id[:8], sess.voiced_frames, STREAM_MIN_VOICED_FRAMES, reason)
if self._ws is not None:
nospeech = {"requestId": sess.request_id,
"audioRequestId": sess.audio_request_id,
"text": "", "reason": f"no_speech:{reason}",
"durationS": 0.0, "sttMs": 0}
await _send(self._ws, "stt_endpoint", nospeech)
await _send(self._ws, "stt_stream_done", {
"requestId": sess.request_id,
"audioRequestId": sess.audio_request_id,
"text": "", "reason": f"no_speech:{reason}"})
self.drop(sess.request_id)
return
audio = pcm_s16le_to_float32(bytes(sess.pcm_buffer))
t0 = time.time()
try:
final_text = (await self.runner.transcribe(audio, sess.language)).strip()
except Exception:
logger.exception("Stream %s: Final-Transcribe crashed", sess.request_id[:8])
final_text = sess.last_partial
stt_ms = int((time.time() - t0) * 1000)
duration_s = audio.size / 16000.0
logger.info("Stream %s: FINAL (reason=%s, %.1fs, %dms): %r",
sess.request_id[:8], reason, duration_s, stt_ms, final_text[:120])
if self._ws is not None:
payload = {
"requestId": sess.request_id,
"audioRequestId": sess.audio_request_id,
"text": final_text,
"reason": reason,
"durationS": duration_s,
"sttMs": stt_ms,
"voice": sess.voice,
"speed": sess.speed,
"interrupted": sess.interrupted,
}
if sess.location:
payload["location"] = sess.location
await _send(self._ws, "stt_endpoint", payload)
await _send(self._ws, "stt_stream_done", {
"requestId": sess.request_id,
"audioRequestId": sess.audio_request_id,
"text": final_text,
"reason": reason,
})
self.drop(sess.request_id)
async def _broadcast_status(ws, state: str, **extra) -> None:
payload = {"service": "voxtral", "state": state}
payload.update(extra)
await _send(ws, "service_status", payload)
async def run_loop(sessions: SessionManager) -> None:
use_tls = RVS_TLS
retry_s = 2
tls_fallback_tried = False
while True:
scheme = "wss" if use_tls else "ws"
url = f"{scheme}://{RVS_HOST}:{RVS_PORT}/ws?token={RVS_TOKEN}"
masked = url.replace(RVS_TOKEN, "***") if RVS_TOKEN else url
try:
logger.info("Verbinde zu RVS: %s", masked)
async with websockets.connect(url, ping_interval=20, ping_timeout=10,
max_size=50 * 1024 * 1024) as ws:
logger.info("RVS verbunden")
retry_s = 2
tls_fallback_tried = False
sessions.attach_ws(ws)
await _broadcast_status(ws, "ready", model=VOXTRAL_MODEL)
await _send(ws, "config_request", {"service": "voxtral"})
async for raw in ws:
try:
msg = json.loads(raw)
except Exception:
continue
mtype = msg.get("type", "")
payload = msg.get("payload", {}) or {}
if mtype == "stt_stream_start":
sessions.start_session(payload)
elif mtype == "stt_audio_chunk":
sessions.feed_chunk(payload)
elif mtype == "stt_stream_end":
sessions.end_session(payload.get("requestId", ""))
elif mtype == "voice_id_status_request":
req_id = payload.get("requestId", "")
try:
status = speaker_id.status()
await _send(ws, "voice_id_status_response",
{"requestId": req_id, "ok": True, **status})
except Exception as exc:
await _send(ws, "voice_id_status_response",
{"requestId": req_id, "ok": False, "error": str(exc)[:200]})
elif mtype == "voice_id_enroll_request":
req_id = payload.get("requestId", "")
samples = payload.get("samples") or []
logger.info("voice_id_enroll_request: %d Samples (id=%s)", len(samples), req_id[:8])
try:
result = await asyncio.get_running_loop().run_in_executor(
None, speaker_id.enroll_from_samples, samples)
await _send(ws, "voice_id_enroll_response", {
"requestId": req_id, "ok": True,
"sample_count": result.get("sample_count", 0),
"rejected": result.get("rejected", []),
"updated_at": result.get("updated_at"),
"embedding_dim": result.get("embedding_dim"),
})
except Exception as exc:
logger.warning("voice_id_enroll failed: %s", exc)
await _send(ws, "voice_id_enroll_response",
{"requestId": req_id, "ok": False, "error": str(exc)[:300]})
elif mtype == "voice_id_delete_request":
req_id = payload.get("requestId", "")
removed = speaker_id.delete_fingerprint()
await _send(ws, "voice_id_delete_response",
{"requestId": req_id, "ok": True, "removed": removed})
elif mtype == "config":
if "voiceIdThreshold" in payload:
try:
t = float(payload.get("voiceIdThreshold", 0.5))
if 0.0 <= t <= 1.0:
speaker_id.DEFAULT_THRESHOLD = t
logger.info("[speaker-id] threshold gesetzt: %.2f", t)
except (TypeError, ValueError):
pass
if "voiceIdEnabled" in payload:
_set_speaker_id_enabled(payload.get("voiceIdEnabled"))
logger.info("[speaker-id] Gating %s (voiceIdEnabled)",
"AN" if SPEAKER_ID_ENABLED else "AUS")
except Exception as e:
logger.warning("RVS-Verbindung verloren: %s — retry in %ds", e, retry_s)
if use_tls and RVS_TLS_FALLBACK and not tls_fallback_tried:
use_tls = False
tls_fallback_tried = True
continue
await asyncio.sleep(retry_s)
retry_s = min(retry_s * 2, 30)
use_tls = RVS_TLS
async def main() -> None:
if not RVS_HOST or not RVS_TOKEN:
logger.error("RVS_HOST/RVS_TOKEN fehlen — .env pruefen. Abbruch.")
return
runner = VoxtralRunner()
loop = asyncio.get_running_loop()
await loop.run_in_executor(None, runner.load) # Modell laden (blockierend)
sessions = SessionManager(runner)
logger.info("Voxtral-Bridge startet — Modell=%s", VOXTRAL_MODEL)
await asyncio.gather(run_loop(sessions), sessions.run_endpointer())
if __name__ == "__main__":
try:
asyncio.run(main())
except KeyboardInterrupt:
pass