silence trimmer

backend/routers/audio.py

@@ -11,7 +11,7 @@ from fastapi import APIRouter, HTTPException, Query
 from fastapi.responses import FileResponse
 from pydantic import BaseModel
 
-from services.audio_cleaner import clean_audio, is_deepfilter_available
+from services.audio_cleaner import clean_audio, detect_silence_ranges, is_deepfilter_available
 
 logger = logging.getLogger(__name__)
 router = APIRouter()
@@ -25,6 +25,12 @@ class AudioCleanRequest(BaseModel):
     output_path: Optional[str] = None
 
 
+class SilenceDetectRequest(BaseModel):
+    input_path: str
+    min_silence_ms: int = 500
+    silence_db: float = -35.0
+
+
 @router.post("/audio/clean")
 async def clean_audio_endpoint(req: AudioCleanRequest):
     try:
@@ -46,6 +52,24 @@ async def audio_capabilities():
     }
 
 
+@router.post("/audio/detect-silence")
+async def detect_silence_endpoint(req: SilenceDetectRequest):
+    try:
+        ranges = detect_silence_ranges(
+            req.input_path,
+            req.min_silence_ms,
+            req.silence_db,
+        )
+        return {
+            "status": "ok",
+            "ranges": ranges,
+            "count": len(ranges),
+        }
+    except Exception as e:
+        logger.error(f"Silence detection failed: {e}", exc_info=True)
+        raise HTTPException(status_code=500, detail=str(e))
+
+
 @router.get("/audio/waveform")
 async def get_waveform_audio(path: str = Query(...)):
     """