60 lines
1.7 KiB
Python
60 lines
1.7 KiB
Python
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from io import BytesIO
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from fastapi import APIRouter, HTTPException, Query
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from fastapi.responses import StreamingResponse
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from app.config import settings
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from app.errors import RoutingError
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from app.dependencies import (
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resolve_route,
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build_orchestrator,
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resolve_output_endpoint,
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)
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from app.schemas import SpeakRequest
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router = APIRouter()
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@router.post("/speak")
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async def speak(
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payload: SpeakRequest,
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session_id: str | None = Query(
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default=None,
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description="Optional session id to apply a stored route",
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),
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):
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overrides = {
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"output_endpoint": payload.output_endpoint,
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"language": payload.language,
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"tts_provider": payload.tts_provider,
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}
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route = resolve_route(session_id, overrides)
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voice = payload.voice or settings.openrouter_tts_voice
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try:
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orchestrator = build_orchestrator(route)
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output = await resolve_output_endpoint(route)
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except RoutingError as exc:
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raise HTTPException(status_code=422, detail=str(exc))
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try:
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audio = await orchestrator.speak_only(
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payload.text,
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voice=voice,
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language=route.language,
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output=output,
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)
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headers = {
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"Content-Language": route.language,
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"X-Audio-Format": "pcm",
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"X-Audio-Sample-Rate": "24000",
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"X-Audio-Channels": "1",
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"X-Audio-Sample-Width": "16",
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"X-Output-Endpoint": route.output_endpoint,
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"X-TTS-Provider": route.tts_provider,
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}
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return StreamingResponse(BytesIO(audio), media_type="audio/pcm", headers=headers)
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except Exception as exc:
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raise HTTPException(status_code=502, detail=str(exc))
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