aed6553ff4
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The audio endpoint was serving the extracted WAV (16kHz mono PCM) which balloons to ~1GB for a 3-hour session. Browsers cannot seek efficiently in such a large uncompressed file. Now the endpoint serves the original uploaded file (m4a, mp3, opus, etc.) — a compressed format the browser can seek via byte-range requests. Falls back to the WAV if the original is missing.
110 lines
3.3 KiB
Python
110 lines
3.3 KiB
Python
from pathlib import Path
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from fastapi import FastAPI, Request
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import FileResponse, JSONResponse
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from fastapi import HTTPException
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from . import database as db, config
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from .logging_config import setup_logging, get_logger
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from .errors import PipelineError
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from .routers import settings as settings_router
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from .routers import sessions as sessions_router
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from .routers import speakers as speakers_router
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from .routers import notes as notes_router
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from .routers import jobs as jobs_router
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from .routers import models as models_router
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from .routers import diagnostics as diagnostics_router
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from .routers import files as files_router
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from .routers import campaigns as campaigns_router
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setup_logging()
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log = get_logger(__name__)
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app = FastAPI(title="Nat20 Notes")
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_methods=["*"],
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allow_headers=["*"],
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)
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@app.exception_handler(PipelineError)
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async def pipeline_error_handler(request: Request, exc: PipelineError):
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log.error("Pipeline error in %s: %s", exc.stage, exc.message, exc_info=exc.cause or exc)
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return JSONResponse(status_code=502, content={"stage": exc.stage, "message": exc.message})
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@app.exception_handler(Exception)
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async def unhandled_error_handler(request: Request, exc: Exception):
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log.exception("Unhandled error on %s %s", request.method, request.url.path)
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return JSONResponse(status_code=500, content={"stage": "unknown", "message": f"Unexpected error: {exc}"})
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@app.on_event("startup")
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def on_startup():
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db.init_db()
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log.info("Database initialized at %s", config.DB_PATH)
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app.include_router(settings_router.router)
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app.include_router(sessions_router.router)
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app.include_router(speakers_router.router)
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app.include_router(notes_router.router)
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app.include_router(jobs_router.router)
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app.include_router(models_router.router)
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app.include_router(diagnostics_router.router)
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app.include_router(files_router.router)
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app.include_router(campaigns_router.router)
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MEDIA_TYPES = {
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".mp3": "audio/mpeg",
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".mp4": "audio/mp4",
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".m4a": "audio/mp4",
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".m4b": "audio/mp4",
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".ogg": "audio/ogg",
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".opus": "audio/ogg",
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".wav": "audio/wav",
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".flac": "audio/flac",
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".aac": "audio/aac",
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".webm": "audio/webm",
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}
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AUDIO_EXTS = frozenset(MEDIA_TYPES.keys())
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@app.get("/api/sessions/{session_id}/audio")
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def get_audio(session_id: str):
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row = db.get_conn().execute(
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"SELECT video_path, audio_path FROM sessions WHERE id = ?", (session_id,)
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).fetchone()
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if not row:
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raise HTTPException(404, "Session not found")
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# Prefer the original uploaded file — it's a compressed format the browser
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# can seek in efficiently. Fall back to the extracted WAV.
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candidates = []
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if row["video_path"]:
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p = Path(row["video_path"])
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if p.exists():
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candidates.append(p)
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if row["audio_path"]:
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p = Path(row["audio_path"])
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if p.exists():
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candidates.append(p)
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if not candidates:
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raise HTTPException(404, "No audio file available for this session")
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chosen = candidates[0]
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ext = chosen.suffix.lower()
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media_type = MEDIA_TYPES.get(ext, "application/octet-stream")
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return FileResponse(chosen, media_type=media_type)
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@app.get("/api/health")
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def health():
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return {"ok": True} |